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blender-archive/source/blender/editors/interface/interface_widgets.c

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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2009 Blender Foundation.
* All rights reserved.
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/interface/interface_widgets.c
* \ingroup edinterface
*/
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "DNA_brush_types.h"
#include "DNA_screen_types.h"
#include "DNA_userdef_types.h"
#include "BLI_math.h"
#include "BLI_rect.h"
#include "BLI_string.h"
#include "BLI_string_utf8.h"
#include "BLI_utildefines.h"
#include "BKE_context.h"
#include "BKE_curve.h"
#include "RNA_access.h"
#include "BLF_api.h"
#include "UI_interface.h"
#include "UI_interface_icons.h"
#include "interface_intern.h"
#include "GPU_basic_shader.h"
#include "GPU_immediate.h"
#include "GPU_immediate_util.h"
#include "GPU_matrix.h"
#ifdef WITH_INPUT_IME
# include "WM_types.h"
#endif
/* icons are 80% of height of button (16 pixels inside 20 height) */
#define ICON_SIZE_FROM_BUTRECT(rect) (0.8f * BLI_rcti_size_y(rect))
/* Button state argument shares bits with 'uiBut.flag'.
* reuse flags that aren't needed for drawing to avoid collision. */
enum {
/* Show that holding the button opens a menu. */
UI_STATE_HOLD_ACTION = UI_BUT_UPDATE_DELAY,
UI_STATE_TEXT_INPUT = UI_BUT_UNDO,
UI_STATE_FLAGS_ALL = (UI_STATE_HOLD_ACTION | UI_STATE_TEXT_INPUT),
};
/* Prevent accidental use. */
#define UI_BUT_UPDATE_DELAY ((void)0)
#define UI_BUT_UNDO ((void)0)
/* ************** widget base functions ************** */
/**
* - in: roundbox codes for corner types and radius
* - return: array of `[size][2][x, y]` points, the edges of the roundbox, + UV coords
*
* - draw black box with alpha 0 on exact button boundbox
* - for every AA step:
* - draw the inner part for a round filled box, with color blend codes or texture coords
* - draw outline in outline color
* - draw outer part, bottom half, extruded 1 pixel to bottom, for emboss shadow
* - draw extra decorations
* - draw background color box with alpha 1 on exact button boundbox
*/
/* fill this struct with polygon info to draw AA'ed */
/* it has outline, back, and two optional tria meshes */
typedef struct uiWidgetTrias {
unsigned int tot;
float vec[16][2];
const unsigned int (*index)[3];
} uiWidgetTrias;
/* max as used by round_box__edges */
#define WIDGET_CURVE_RESOLU 9
#define WIDGET_SIZE_MAX (WIDGET_CURVE_RESOLU * 4)
typedef struct uiWidgetBase {
int totvert, halfwayvert;
float outer_v[WIDGET_SIZE_MAX][2];
float inner_v[WIDGET_SIZE_MAX][2];
float inner_uv[WIDGET_SIZE_MAX][2];
bool draw_inner, draw_outline, draw_emboss, draw_shadedir;
uiWidgetTrias tria1;
uiWidgetTrias tria2;
} uiWidgetBase;
/** uiWidgetType: for time being only for visual appearance,
* later, a handling callback can be added too
*/
typedef struct uiWidgetType {
/* pointer to theme color definition */
uiWidgetColors *wcol_theme;
uiWidgetStateColors *wcol_state;
/* converted colors for state */
uiWidgetColors wcol;
void (*state)(struct uiWidgetType *, int state);
void (*draw)(uiWidgetColors *, rcti *, int state, int roundboxalign);
void (*custom)(uiBut *, uiWidgetColors *, rcti *, int state, int roundboxalign);
void (*text)(uiFontStyle *, uiWidgetColors *, uiBut *, rcti *);
} uiWidgetType;
/* *********************** draw data ************************** */
static const float cornervec[WIDGET_CURVE_RESOLU][2] = {
{0.0, 0.0}, {0.195, 0.02}, {0.383, 0.067},
{0.55, 0.169}, {0.707, 0.293}, {0.831, 0.45},
{0.924, 0.617}, {0.98, 0.805}, {1.0, 1.0}
};
#define WIDGET_AA_JITTER 8
static const float jit[WIDGET_AA_JITTER][2] = {
{ 0.468813, -0.481430}, {-0.155755, -0.352820},
{ 0.219306, -0.238501}, {-0.393286, -0.110949},
{-0.024699, 0.013908}, { 0.343805, 0.147431},
{-0.272855, 0.269918}, { 0.095909, 0.388710}
};
/* -------------------------------------------------------------------- */
/** \name Shape Preset Data
* \{ */
static const float g_shape_preset_number_arrow_vert[3][2] = {
{-0.352077, 0.532607}, {-0.352077, -0.549313}, {0.330000, -0.008353}
};
static const uint g_shape_preset_number_arrow_face[1][3] = {
{0, 1, 2}
};
static const float g_shape_preset_scroll_circle_vert[16][2] = {
{0.382684, 0.923879}, {0.000001, 1.000000}, {-0.382683, 0.923880}, {-0.707107, 0.707107},
{-0.923879, 0.382684}, {-1.000000, 0.000000}, {-0.923880, -0.382684}, {-0.707107, -0.707107},
{-0.382683, -0.923880}, {0.000000, -1.000000}, {0.382684, -0.923880}, {0.707107, -0.707107},
{0.923880, -0.382684}, {1.000000, -0.000000}, {0.923880, 0.382683}, {0.707107, 0.707107}
};
static const uint g_shape_preset_scroll_circle_face[14][3] = {
{0, 1, 2}, {2, 0, 3}, {3, 0, 15}, {3, 15, 4}, {4, 15, 14}, {4, 14, 5}, {5, 14, 13}, {5, 13, 6},
{6, 13, 12}, {6, 12, 7}, {7, 12, 11}, {7, 11, 8}, {8, 11, 10}, {8, 10, 9}
};
static const float g_shape_preset_menu_arrow_vert[6][2] = {
{-0.33, 0.16}, {0.33, 0.16}, {0, 0.82},
{0, -0.82}, {-0.33, -0.16}, {0.33, -0.16}
};
static const uint g_shape_preset_menu_arrow_face[2][3] = {{2, 0, 1}, {3, 5, 4}};
static const float g_shape_preset_checkmark_vert[6][2] = {
{-0.578579, 0.253369}, {-0.392773, 0.412794}, {-0.004241, -0.328551},
{-0.003001, 0.034320}, {1.055313, 0.864744}, {0.866408, 1.026895}
};
static const uint g_shape_preset_checkmark_face[4][3] = {
{3, 2, 4}, {3, 4, 5}, {1, 0, 3}, {0, 2, 3}
};
#define OY -0.2
#define SC 0.35
static const float g_shape_preset_hold_action_vert[6][2] = {
{-0.5 + SC, 1.0 + OY}, {0.5, 1.0 + OY}, {0.5, 0.0 + OY + SC},
};
static const uint g_shape_preset_hold_action_face[2][3] = {{2, 0, 1}, {3, 5, 4}};
#undef OY
#undef SC
/** \} */
/* ************************************************* */
void ui_draw_anti_tria(float x1, float y1, float x2, float y2, float x3, float y3,
const float color[4])
{
float tri_arr[3][2] = {{x1, y1}, {x2, y2}, {x3, y3}};
float draw_color[4];
copy_v4_v4(draw_color, color);
draw_color[3] *= 0.125f;
glEnable(GL_BLEND);
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor4fv(draw_color);
immBegin(GWN_PRIM_TRIS, 3 * WIDGET_AA_JITTER);
/* for each AA step */
for (int j = 0; j < WIDGET_AA_JITTER; j++) {
immVertex2f(pos, tri_arr[0][0] + jit[j][0], tri_arr[0][1] + jit[j][1]);
immVertex2f(pos, tri_arr[1][0] + jit[j][0], tri_arr[1][1] + jit[j][1]);
immVertex2f(pos, tri_arr[2][0] + jit[j][0], tri_arr[2][1] + jit[j][1]);
}
immEnd();
immUnbindProgram();
glDisable(GL_BLEND);
}
/* belongs in interface_draw.c, but needs WIDGET_AA_JITTER from this file */
void UI_draw_roundbox_aa(bool filled, float minx, float miny, float maxx, float maxy, float rad, const float color[4])
{
glEnable(GL_BLEND);
if (filled) {
/* plain antialiased filled box */
const float alpha = color[3] * 0.125f;
for (int j = 0; j < WIDGET_AA_JITTER; j++) {
gpuPushMatrix();
gpuTranslate2fv(jit[j]);
UI_draw_roundbox_3fvAlpha(true, minx, miny, maxx, maxy, rad, color, alpha);
gpuPopMatrix();
}
}
else {
/* plain antialiased unfilled box */
glEnable(GL_LINE_SMOOTH);
UI_draw_roundbox_4fv(false, minx, miny, maxx, maxy, rad, color);
glDisable(GL_LINE_SMOOTH);
}
glDisable(GL_BLEND);
}
static void widget_init(uiWidgetBase *wtb)
{
wtb->totvert = wtb->halfwayvert = 0;
wtb->tria1.tot = 0;
wtb->tria2.tot = 0;
wtb->draw_inner = true;
wtb->draw_outline = true;
wtb->draw_emboss = true;
wtb->draw_shadedir = true;
}
/* helper call, makes shadow rect, with 'sun' above menu, so only shadow to left/right/bottom */
/* return tot */
static int round_box_shadow_edges(float (*vert)[2], const rcti *rect, float rad, int roundboxalign, float step)
{
float vec[WIDGET_CURVE_RESOLU][2];
float minx, miny, maxx, maxy;
int a, tot = 0;
rad += step;
if (2.0f * rad > BLI_rcti_size_y(rect))
rad = 0.5f * BLI_rcti_size_y(rect);
minx = rect->xmin - step;
miny = rect->ymin - step;
maxx = rect->xmax + step;
maxy = rect->ymax + step;
/* mult */
for (a = 0; a < WIDGET_CURVE_RESOLU; a++) {
vec[a][0] = rad * cornervec[a][0];
vec[a][1] = rad * cornervec[a][1];
}
/* start with left-top, anti clockwise */
if (roundboxalign & UI_CNR_TOP_LEFT) {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
vert[tot][0] = minx + rad - vec[a][0];
vert[tot][1] = maxy - vec[a][1];
}
}
else {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
vert[tot][0] = minx;
vert[tot][1] = maxy;
}
}
if (roundboxalign & UI_CNR_BOTTOM_LEFT) {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
vert[tot][0] = minx + vec[a][1];
vert[tot][1] = miny + rad - vec[a][0];
}
}
else {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
vert[tot][0] = minx;
vert[tot][1] = miny;
}
}
if (roundboxalign & UI_CNR_BOTTOM_RIGHT) {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
vert[tot][0] = maxx - rad + vec[a][0];
vert[tot][1] = miny + vec[a][1];
}
}
else {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
vert[tot][0] = maxx;
vert[tot][1] = miny;
}
}
if (roundboxalign & UI_CNR_TOP_RIGHT) {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
vert[tot][0] = maxx - vec[a][1];
vert[tot][1] = maxy - rad + vec[a][0];
}
}
else {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
vert[tot][0] = maxx;
vert[tot][1] = maxy;
}
}
return tot;
}
/* this call has 1 extra arg to allow mask outline */
static void round_box__edges(uiWidgetBase *wt, int roundboxalign, const rcti *rect, float rad, float radi)
{
float vec[WIDGET_CURVE_RESOLU][2], veci[WIDGET_CURVE_RESOLU][2];
float minx = rect->xmin, miny = rect->ymin, maxx = rect->xmax, maxy = rect->ymax;
float minxi = minx + U.pixelsize; /* boundbox inner */
float maxxi = maxx - U.pixelsize;
float minyi = miny + U.pixelsize;
float maxyi = maxy - U.pixelsize;
float facxi = (maxxi != minxi) ? 1.0f / (maxxi - minxi) : 0.0f; /* for uv, can divide by zero */
float facyi = (maxyi != minyi) ? 1.0f / (maxyi - minyi) : 0.0f;
int a, tot = 0, minsize;
const int hnum = ((roundboxalign & (UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT)) == (UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT) ||
(roundboxalign & (UI_CNR_BOTTOM_RIGHT | UI_CNR_BOTTOM_LEFT)) == (UI_CNR_BOTTOM_RIGHT | UI_CNR_BOTTOM_LEFT)) ? 1 : 2;
const int vnum = ((roundboxalign & (UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT)) == (UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT) ||
(roundboxalign & (UI_CNR_TOP_RIGHT | UI_CNR_BOTTOM_RIGHT)) == (UI_CNR_TOP_RIGHT | UI_CNR_BOTTOM_RIGHT)) ? 1 : 2;
minsize = min_ii(BLI_rcti_size_x(rect) * hnum,
BLI_rcti_size_y(rect) * vnum);
if (2.0f * rad > minsize)
rad = 0.5f * minsize;
if (2.0f * (radi + 1.0f) > minsize)
radi = 0.5f * minsize - U.pixelsize;
/* mult */
for (a = 0; a < WIDGET_CURVE_RESOLU; a++) {
veci[a][0] = radi * cornervec[a][0];
veci[a][1] = radi * cornervec[a][1];
vec[a][0] = rad * cornervec[a][0];
vec[a][1] = rad * cornervec[a][1];
}
/* corner left-bottom */
if (roundboxalign & UI_CNR_BOTTOM_LEFT) {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
wt->inner_v[tot][0] = minxi + veci[a][1];
wt->inner_v[tot][1] = minyi + radi - veci[a][0];
wt->outer_v[tot][0] = minx + vec[a][1];
wt->outer_v[tot][1] = miny + rad - vec[a][0];
wt->inner_uv[tot][0] = facxi * (wt->inner_v[tot][0] - minxi);
wt->inner_uv[tot][1] = facyi * (wt->inner_v[tot][1] - minyi);
}
}
else {
wt->inner_v[tot][0] = minxi;
wt->inner_v[tot][1] = minyi;
wt->outer_v[tot][0] = minx;
wt->outer_v[tot][1] = miny;
wt->inner_uv[tot][0] = 0.0f;
wt->inner_uv[tot][1] = 0.0f;
tot++;
}
/* corner right-bottom */
if (roundboxalign & UI_CNR_BOTTOM_RIGHT) {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
wt->inner_v[tot][0] = maxxi - radi + veci[a][0];
wt->inner_v[tot][1] = minyi + veci[a][1];
wt->outer_v[tot][0] = maxx - rad + vec[a][0];
wt->outer_v[tot][1] = miny + vec[a][1];
wt->inner_uv[tot][0] = facxi * (wt->inner_v[tot][0] - minxi);
wt->inner_uv[tot][1] = facyi * (wt->inner_v[tot][1] - minyi);
}
}
else {
wt->inner_v[tot][0] = maxxi;
wt->inner_v[tot][1] = minyi;
wt->outer_v[tot][0] = maxx;
wt->outer_v[tot][1] = miny;
wt->inner_uv[tot][0] = 1.0f;
wt->inner_uv[tot][1] = 0.0f;
tot++;
}
wt->halfwayvert = tot;
/* corner right-top */
if (roundboxalign & UI_CNR_TOP_RIGHT) {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
wt->inner_v[tot][0] = maxxi - veci[a][1];
wt->inner_v[tot][1] = maxyi - radi + veci[a][0];
wt->outer_v[tot][0] = maxx - vec[a][1];
wt->outer_v[tot][1] = maxy - rad + vec[a][0];
wt->inner_uv[tot][0] = facxi * (wt->inner_v[tot][0] - minxi);
wt->inner_uv[tot][1] = facyi * (wt->inner_v[tot][1] - minyi);
}
}
else {
wt->inner_v[tot][0] = maxxi;
wt->inner_v[tot][1] = maxyi;
wt->outer_v[tot][0] = maxx;
wt->outer_v[tot][1] = maxy;
wt->inner_uv[tot][0] = 1.0f;
wt->inner_uv[tot][1] = 1.0f;
tot++;
}
/* corner left-top */
if (roundboxalign & UI_CNR_TOP_LEFT) {
for (a = 0; a < WIDGET_CURVE_RESOLU; a++, tot++) {
wt->inner_v[tot][0] = minxi + radi - veci[a][0];
wt->inner_v[tot][1] = maxyi - veci[a][1];
wt->outer_v[tot][0] = minx + rad - vec[a][0];
wt->outer_v[tot][1] = maxy - vec[a][1];
wt->inner_uv[tot][0] = facxi * (wt->inner_v[tot][0] - minxi);
wt->inner_uv[tot][1] = facyi * (wt->inner_v[tot][1] - minyi);
}
}
else {
wt->inner_v[tot][0] = minxi;
wt->inner_v[tot][1] = maxyi;
wt->outer_v[tot][0] = minx;
wt->outer_v[tot][1] = maxy;
wt->inner_uv[tot][0] = 0.0f;
wt->inner_uv[tot][1] = 1.0f;
tot++;
}
BLI_assert(tot <= WIDGET_SIZE_MAX);
wt->totvert = tot;
}
static void round_box_edges(uiWidgetBase *wt, int roundboxalign, const rcti *rect, float rad)
{
round_box__edges(wt, roundboxalign, rect, rad, rad - U.pixelsize);
}
/* -------------------------------------------------------------------- */
/** \name Shape Preset Mini API
* \{ */
/* based on button rect, return scaled array of triangles */
static void shape_preset_init_trias_ex(
uiWidgetTrias *tria, const rcti *rect, float triasize, char where,
/* input data */
const float verts[][2], const int verts_tot,
const unsigned int tris[][3], const int tris_tot)
{
float centx, centy, sizex, sizey, minsize;
int a, i1 = 0, i2 = 1;
minsize = min_ii(BLI_rcti_size_x(rect), BLI_rcti_size_y(rect));
/* center position and size */
centx = (float)rect->xmin + 0.4f * minsize;
centy = (float)rect->ymin + 0.5f * minsize;
sizex = sizey = -0.5f * triasize * minsize;
if (where == 'r') {
centx = (float)rect->xmax - 0.4f * minsize;
sizex = -sizex;
}
else if (where == 't') {
centy = (float)rect->ymax - 0.5f * minsize;
sizey = -sizey;
i2 = 0; i1 = 1;
}
else if (where == 'b') {
sizex = -sizex;
i2 = 0; i1 = 1;
}
for (a = 0; a < verts_tot; a++) {
tria->vec[a][0] = sizex * verts[a][i1] + centx;
tria->vec[a][1] = sizey * verts[a][i2] + centy;
}
tria->tot = tris_tot;
tria->index = tris;
}
static void shape_preset_init_number_arrows(uiWidgetTrias *tria, const rcti *rect, float triasize, char where)
{
shape_preset_init_trias_ex(
tria, rect, triasize, where,
g_shape_preset_number_arrow_vert, ARRAY_SIZE(g_shape_preset_number_arrow_vert),
g_shape_preset_number_arrow_face, ARRAY_SIZE(g_shape_preset_number_arrow_face));
}
static void shape_preset_init_hold_action(uiWidgetTrias *tria, const rcti *rect, float triasize, char where)
{
shape_preset_init_trias_ex(
tria, rect, triasize, where,
g_shape_preset_hold_action_vert, ARRAY_SIZE(g_shape_preset_hold_action_vert),
g_shape_preset_hold_action_face, ARRAY_SIZE(g_shape_preset_hold_action_face));
}
static void shape_preset_init_scroll_circle(uiWidgetTrias *tria, const rcti *rect, float triasize, char where)
{
shape_preset_init_trias_ex(
tria, rect, triasize, where,
g_shape_preset_scroll_circle_vert, ARRAY_SIZE(g_shape_preset_scroll_circle_vert),
g_shape_preset_scroll_circle_face, ARRAY_SIZE(g_shape_preset_scroll_circle_face));
}
static void shape_preset_draw_trias(uiWidgetTrias *tria, uint pos)
{
immBegin(GWN_PRIM_TRIS, tria->tot * 3);
for (int i = 0; i < tria->tot; ++i)
for (int j = 0; j < 3; ++j)
immVertex2fv(pos, tria->vec[tria->index[i][j]]);
immEnd();
}
static void widget_draw_vertex_buffer(unsigned int pos, unsigned int col, int mode,
const float quads_pos[WIDGET_SIZE_MAX][2],
const unsigned char quads_col[WIDGET_SIZE_MAX][4],
unsigned int totvert)
{
immBegin(mode, totvert);
for (int i = 0; i < totvert; ++i) {
if (quads_col)
immAttrib4ubv(col, quads_col[i]);
immVertex2fv(pos, quads_pos[i]);
}
immEnd();
}
static void shape_preset_trias_from_rect_menu(uiWidgetTrias *tria, const rcti *rect)
{
float centx, centy, size;
int a;
/* center position and size */
centx = rect->xmax - 0.32f * BLI_rcti_size_y(rect);
centy = rect->ymin + 0.50f * BLI_rcti_size_y(rect);
size = 0.4f * BLI_rcti_size_y(rect);
for (a = 0; a < 6; a++) {
tria->vec[a][0] = size * g_shape_preset_menu_arrow_vert[a][0] + centx;
tria->vec[a][1] = size * g_shape_preset_menu_arrow_vert[a][1] + centy;
}
tria->tot = 2;
tria->index = g_shape_preset_menu_arrow_face;
}
static void shape_preset_trias_from_rect_checkmark(uiWidgetTrias *tria, const rcti *rect)
{
float centx, centy, size;
int a;
/* center position and size */
centx = rect->xmin + 0.5f * BLI_rcti_size_y(rect);
centy = rect->ymin + 0.5f * BLI_rcti_size_y(rect);
size = 0.5f * BLI_rcti_size_y(rect);
for (a = 0; a < 6; a++) {
tria->vec[a][0] = size * g_shape_preset_checkmark_vert[a][0] + centx;
tria->vec[a][1] = size * g_shape_preset_checkmark_vert[a][1] + centy;
}
tria->tot = 4;
tria->index = g_shape_preset_checkmark_face;
}
/** \} */
/* prepares shade colors */
static void shadecolors4(char coltop[4], char coldown[4], const char *color, short shadetop, short shadedown)
{
coltop[0] = CLAMPIS(color[0] + shadetop, 0, 255);
coltop[1] = CLAMPIS(color[1] + shadetop, 0, 255);
coltop[2] = CLAMPIS(color[2] + shadetop, 0, 255);
coltop[3] = color[3];
coldown[0] = CLAMPIS(color[0] + shadedown, 0, 255);
coldown[1] = CLAMPIS(color[1] + shadedown, 0, 255);
coldown[2] = CLAMPIS(color[2] + shadedown, 0, 255);
coldown[3] = color[3];
}
static void round_box_shade_col4_r(unsigned char r_col[4], const char col1[4], const char col2[4], const float fac)
{
const int faci = FTOCHAR(fac);
const int facm = 255 - faci;
r_col[0] = (faci * col1[0] + facm * col2[0]) / 256;
r_col[1] = (faci * col1[1] + facm * col2[1]) / 256;
r_col[2] = (faci * col1[2] + facm * col2[2]) / 256;
r_col[3] = (faci * col1[3] + facm * col2[3]) / 256;
}
static void widget_verts_to_triangle_strip(uiWidgetBase *wtb, const int totvert, float triangle_strip[WIDGET_SIZE_MAX * 2 + 2][2])
{
int a;
for (a = 0; a < totvert; a++) {
copy_v2_v2(triangle_strip[a * 2], wtb->outer_v[a]);
copy_v2_v2(triangle_strip[a * 2 + 1], wtb->inner_v[a]);
}
copy_v2_v2(triangle_strip[a * 2], wtb->outer_v[0]);
copy_v2_v2(triangle_strip[a * 2 + 1], wtb->inner_v[0]);
}
static void widget_verts_to_triangle_strip_open(uiWidgetBase *wtb, const int totvert, float triangle_strip[WIDGET_SIZE_MAX * 2][2])
{
int a;
for (a = 0; a < totvert; a++) {
triangle_strip[a * 2][0] = wtb->outer_v[a][0];
triangle_strip[a * 2][1] = wtb->outer_v[a][1];
triangle_strip[a * 2 + 1][0] = wtb->outer_v[a][0];
triangle_strip[a * 2 + 1][1] = wtb->outer_v[a][1] - 1.0f;
}
}
static void widgetbase_outline(uiWidgetBase *wtb, unsigned int pos)
{
float triangle_strip[WIDGET_SIZE_MAX * 2 + 2][2]; /* + 2 because the last pair is wrapped */
widget_verts_to_triangle_strip(wtb, wtb->totvert, triangle_strip);
widget_draw_vertex_buffer(pos, 0, GL_TRIANGLE_STRIP, triangle_strip, NULL, wtb->totvert * 2 + 2);
}
static void widgetbase_draw(uiWidgetBase *wtb, uiWidgetColors *wcol)
{
int j, a;
glEnable(GL_BLEND);
/* backdrop non AA */
if (wtb->draw_inner) {
BLI_assert(wtb->totvert != 0);
if (wcol->shaded == 0) {
if (wcol->alpha_check) {
float inner_v_half[WIDGET_SIZE_MAX][2];
float x_mid = 0.0f; /* used for dumb clamping of values */
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_CHECKER);
/* checkers */
immUniform4f("color1", UI_ALPHA_CHECKER_DARK / 255.0f, UI_ALPHA_CHECKER_DARK / 255.0f, UI_ALPHA_CHECKER_DARK / 255.0f, 1.0f);
immUniform4f("color2", UI_ALPHA_CHECKER_LIGHT / 255.0f, UI_ALPHA_CHECKER_LIGHT / 255.0f, UI_ALPHA_CHECKER_LIGHT / 255.0f, 1.0f);
immUniform1i("size", 8);
widget_draw_vertex_buffer(pos, 0, GL_TRIANGLE_FAN, wtb->inner_v, NULL, wtb->totvert);
immUnbindProgram();
/* alpha fill */
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor4ubv((unsigned char *)wcol->inner);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
for (a = 0; a < wtb->totvert; a++) {
x_mid += wtb->inner_v[a][0];
}
x_mid /= wtb->totvert;
widget_draw_vertex_buffer(pos, 0, GL_TRIANGLE_FAN, wtb->inner_v, NULL, wtb->totvert);
/* 1/2 solid color */
immUniformColor3ubv((unsigned char *)wcol->inner);
for (a = 0; a < wtb->totvert; a++) {
inner_v_half[a][0] = MIN2(wtb->inner_v[a][0], x_mid);
inner_v_half[a][1] = wtb->inner_v[a][1];
}
widget_draw_vertex_buffer(pos, 0, GL_TRIANGLE_FAN, inner_v_half, NULL, wtb->totvert);
immUnbindProgram();
}
else {
/* simple fill */
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor4ubv((unsigned char *)wcol->inner);
widget_draw_vertex_buffer(pos, 0, GL_TRIANGLE_FAN, wtb->inner_v, NULL, wtb->totvert);
immUnbindProgram();
}
}
else {
char col1[4], col2[4];
unsigned char col_array[WIDGET_SIZE_MAX][4];
unsigned char *col_pt = &col_array[0][0];
Gwn_VertFormat *format = immVertexFormat();
unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
unsigned int col = GWN_vertformat_attr_add(format, "color", GWN_COMP_U8, 4, GWN_FETCH_INT_TO_FLOAT_UNIT);
immBindBuiltinProgram(GPU_SHADER_2D_SMOOTH_COLOR);
shadecolors4(col1, col2, wcol->inner, wcol->shadetop, wcol->shadedown);
for (a = 0; a < wtb->totvert; a++, col_pt += 4) {
round_box_shade_col4_r(col_pt, col1, col2, wtb->inner_uv[a][wtb->draw_shadedir ? 1 : 0]);
}
widget_draw_vertex_buffer(pos, col, GL_TRIANGLE_FAN, wtb->inner_v, col_array, wtb->totvert);
immUnbindProgram();
}
}
/* for each AA step */
if (wtb->draw_outline) {
BLI_assert(wtb->totvert != 0);
float triangle_strip[WIDGET_SIZE_MAX * 2 + 2][2]; /* + 2 because the last pair is wrapped */
float triangle_strip_emboss[WIDGET_SIZE_MAX * 2][2]; /* only for emboss */
const unsigned char tcol[4] = {wcol->outline[0],
wcol->outline[1],
wcol->outline[2],
wcol->outline[3] / WIDGET_AA_JITTER};
unsigned char emboss[4];
widget_verts_to_triangle_strip(wtb, wtb->totvert, triangle_strip);
if (wtb->draw_emboss) {
widget_verts_to_triangle_strip_open(wtb, wtb->halfwayvert, triangle_strip_emboss);
UI_GetThemeColor4ubv(TH_WIDGET_EMBOSS, emboss);
}
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
for (j = 0; j < WIDGET_AA_JITTER; j++) {
gpuTranslate2fv(jit[j]);
/* outline */
immUniformColor4ubv(tcol);
widget_draw_vertex_buffer(pos, 0, GL_TRIANGLE_STRIP, triangle_strip, NULL, wtb->totvert * 2 + 2);
/* emboss bottom shadow */
if (wtb->draw_emboss) {
if (emboss[3]) {
immUniformColor4ubv(emboss);
widget_draw_vertex_buffer(pos, 0, GL_TRIANGLE_STRIP, triangle_strip_emboss, NULL, wtb->halfwayvert * 2);
}
}
gpuTranslate2f(-jit[j][0], -jit[j][1]);
}
immUnbindProgram();
}
/* decoration */
if (wtb->tria1.tot || wtb->tria2.tot) {
const unsigned char tcol[4] = {wcol->item[0],
wcol->item[1],
wcol->item[2],
(unsigned char)((float)wcol->item[3] / WIDGET_AA_JITTER)};
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor4ubv(tcol);
/* for each AA step */
for (j = 0; j < WIDGET_AA_JITTER; j++) {
gpuTranslate2fv(jit[j]);
if (wtb->tria1.tot)
shape_preset_draw_trias(&wtb->tria1, pos);
if (wtb->tria2.tot)
shape_preset_draw_trias(&wtb->tria2, pos);
gpuTranslate2f(-jit[j][0], -jit[j][1]);
}
immUnbindProgram();
}
glDisable(GL_BLEND);
}
/* *********************** text/icon ************************************** */
#define UI_TEXT_CLIP_MARGIN (0.25f * U.widget_unit / but->block->aspect)
#define PREVIEW_PAD 4
static void widget_draw_preview(BIFIconID icon, float alpha, const rcti *rect)
{
int w, h, size;
if (icon == ICON_NONE)
return;
w = BLI_rcti_size_x(rect);
h = BLI_rcti_size_y(rect);
size = MIN2(w, h);
size -= PREVIEW_PAD * 2; /* padding */
if (size > 0) {
int x = rect->xmin + w / 2 - size / 2;
int y = rect->ymin + h / 2 - size / 2;
UI_icon_draw_preview_aspect_size(x, y, icon, 1.0f, alpha, size);
}
}
static int ui_but_draw_menu_icon(const uiBut *but)
{
return (but->flag & UI_BUT_ICON_SUBMENU) && (but->dt == UI_EMBOSS_PULLDOWN);
}
/* icons have been standardized... and this call draws in untransformed coordinates */
static void widget_draw_icon(
const uiBut *but, BIFIconID icon, float alpha, const rcti *rect,
const bool show_menu_icon)
{
float xs = 0.0f, ys = 0.0f;
float aspect, height;
if (but->flag & UI_BUT_ICON_PREVIEW) {
glEnable(GL_BLEND);
widget_draw_preview(icon, alpha, rect);
glDisable(GL_BLEND);
return;
}
/* this icon doesn't need draw... */
if (icon == ICON_BLANK1 && (but->flag & UI_BUT_ICON_SUBMENU) == 0) return;
aspect = but->block->aspect / UI_DPI_FAC;
height = ICON_DEFAULT_HEIGHT / aspect;
/* calculate blend color */
if (ELEM(but->type, UI_BTYPE_TOGGLE, UI_BTYPE_ROW, UI_BTYPE_TOGGLE_N, UI_BTYPE_LISTROW)) {
if (but->flag & UI_SELECT) {}
else if (but->flag & UI_ACTIVE) {}
else alpha = 0.5f;
}
else if ((but->type == UI_BTYPE_LABEL)) {
/* extra feature allows more alpha blending */
if (but->a1 == 1.0f) {
alpha *= but->a2;
}
}
else if (ELEM(but->type, UI_BTYPE_BUT)) {
if (but->flag & UI_BUT_DISABLED) {
alpha *= 0.5f;
}
}
glEnable(GL_BLEND);
if (icon && icon != ICON_BLANK1) {
float ofs = 1.0f / aspect;
if (but->drawflag & UI_BUT_ICON_LEFT) {
/* special case - icon_only pie buttons */
if (ui_block_is_pie_menu(but->block) && but->type != UI_BTYPE_MENU && but->str && but->str[0] == '\0')
xs = rect->xmin + 2.0f * ofs;
else if (but->dt == UI_EMBOSS_NONE || but->type == UI_BTYPE_LABEL)
xs = rect->xmin + 2.0f * ofs;
else
xs = rect->xmin + 4.0f * ofs;
}
else {
xs = (rect->xmin + rect->xmax - height) / 2.0f;
}
ys = (rect->ymin + rect->ymax - height) / 2.0f;
/* force positions to integers, for zoom levels near 1. draws icons crisp. */
if (aspect > 0.95f && aspect < 1.05f) {
xs = (int)(xs + 0.1f);
ys = (int)(ys + 0.1f);
}
/* to indicate draggable */
if (but->dragpoin && (but->flag & UI_ACTIVE)) {
float rgb[3] = {1.25f, 1.25f, 1.25f};
UI_icon_draw_aspect_color(xs, ys, icon, aspect, rgb);
}
else
UI_icon_draw_aspect(xs, ys, icon, aspect, alpha);
}
if (show_menu_icon) {
xs = rect->xmax - UI_DPI_ICON_SIZE - aspect;
ys = (rect->ymin + rect->ymax - height) / 2.0f;
UI_icon_draw_aspect(xs, ys, ICON_RIGHTARROW_THIN, aspect, alpha);
}
glDisable(GL_BLEND);
}
static void ui_text_clip_give_prev_off(uiBut *but, const char *str)
{
const char *prev_utf8 = BLI_str_find_prev_char_utf8(str, str + but->ofs);
int bytes = str + but->ofs - prev_utf8;
but->ofs -= bytes;
}
static void ui_text_clip_give_next_off(uiBut *but, const char *str)
{
const char *next_utf8 = BLI_str_find_next_char_utf8(str + but->ofs, NULL);
int bytes = next_utf8 - (str + but->ofs);
but->ofs += bytes;
}
/**
* Helper.
* This func assumes things like kerning handling have already been handled!
* Return the length of modified (right-clipped + ellipsis) string.
*/
static void ui_text_clip_right_ex(
uiFontStyle *fstyle, char *str, const size_t max_len, const float okwidth,
const char *sep, const int sep_len, const float sep_strwidth, size_t *r_final_len)
{
float tmp;
int l_end;
BLI_assert(str[0]);
/* If the trailing ellipsis takes more than 20% of all available width, just cut the string
* (as using the ellipsis would remove even more useful chars, and we cannot show much already!).
*/
if (sep_strwidth / okwidth > 0.2f) {
l_end = BLF_width_to_strlen(fstyle->uifont_id, str, max_len, okwidth, &tmp);
str[l_end] = '\0';
if (r_final_len) {
*r_final_len = (size_t)l_end;
}
}
else {
l_end = BLF_width_to_strlen(fstyle->uifont_id, str, max_len, okwidth - sep_strwidth, &tmp);
memcpy(str + l_end, sep, sep_len + 1); /* +1 for trailing '\0'. */
if (r_final_len) {
*r_final_len = (size_t)(l_end + sep_len);
}
}
}
/**
* Cut off the middle of the text to fit into the given width.
* Note in case this middle clipping would just remove a few chars, it rather clips right, which is more readable.
* If rpart_sep is not Null, the part of str starting to first occurrence of rpart_sep is preserved at all cost (useful
* for strings with shortcuts, like 'AVeryLongFooBarLabelForMenuEntry|Ctrl O' -> 'AVeryLong...MenuEntry|Ctrl O').
*/
float UI_text_clip_middle_ex(
uiFontStyle *fstyle, char *str, float okwidth, const float minwidth,
const size_t max_len, const char rpart_sep)
{
float strwidth;
/* Add some epsilon to OK width, avoids 'ellipsing' text that nearly fits!
* Better to have a small piece of the last char cut out, than two remaining chars replaced by an ellipsis... */
okwidth += 1.0f + UI_DPI_FAC;
BLI_assert(str[0]);
/* need to set this first */
UI_fontstyle_set(fstyle);
if (fstyle->kerning == 1) { /* for BLF_width */
BLF_enable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
strwidth = BLF_width(fstyle->uifont_id, str, max_len);
if ((okwidth > 0.0f) && (strwidth > okwidth)) {
/* utf8 ellipsis '...', some compilers complain */
const char sep[] = {0xe2, 0x80, 0xa6, 0x0};
const int sep_len = sizeof(sep) - 1;
const float sep_strwidth = BLF_width(fstyle->uifont_id, sep, sep_len + 1);
float parts_strwidth;
size_t l_end;
char *rpart = NULL, rpart_buf[UI_MAX_DRAW_STR];
float rpart_width = 0.0f;
size_t rpart_len = 0;
size_t final_lpart_len;
if (rpart_sep) {
rpart = strrchr(str, rpart_sep);
if (rpart) {
rpart_len = strlen(rpart);
rpart_width = BLF_width(fstyle->uifont_id, rpart, rpart_len);
okwidth -= rpart_width;
strwidth -= rpart_width;
if (okwidth < 0.0f) {
/* Not enough place for actual label, just display protected right part.
* Here just for safety, should never happen in real life! */
memmove(str, rpart, rpart_len + 1);
rpart = NULL;
okwidth += rpart_width;
strwidth = rpart_width;
}
}
}
parts_strwidth = (okwidth - sep_strwidth) / 2.0f;
if (rpart) {
strcpy(rpart_buf, rpart);
*rpart = '\0';
rpart = rpart_buf;
}
l_end = BLF_width_to_strlen(fstyle->uifont_id, str, max_len, parts_strwidth, &rpart_width);
if (l_end < 10 || min_ff(parts_strwidth, strwidth - okwidth) < minwidth) {
/* If we really have no place, or we would clip a very small piece of string in the middle,
* only show start of string.
*/
ui_text_clip_right_ex(fstyle, str, max_len, okwidth, sep, sep_len, sep_strwidth, &final_lpart_len);
}
else {
size_t r_offset, r_len;
r_offset = BLF_width_to_rstrlen(fstyle->uifont_id, str, max_len, parts_strwidth, &rpart_width);
r_len = strlen(str + r_offset) + 1; /* +1 for the trailing '\0'. */
if (l_end + sep_len + r_len + rpart_len > max_len) {
/* Corner case, the str already takes all available mem, and the ellipsis chars would actually
* add more chars...
* Better to just trim one or two letters to the right in this case...
* Note: with a single-char ellipsis, this should never happen! But better be safe here...
*/
ui_text_clip_right_ex(fstyle, str, max_len, okwidth, sep, sep_len, sep_strwidth, &final_lpart_len);
}
else {
memmove(str + l_end + sep_len, str + r_offset, r_len);
memcpy(str + l_end, sep, sep_len);
final_lpart_len = (size_t)(l_end + sep_len + r_len - 1); /* -1 to remove trailing '\0'! */
}
}
if (rpart) {
/* Add back preserved right part to our shorten str. */
memcpy(str + final_lpart_len, rpart, rpart_len + 1); /* +1 for trailing '\0'. */
}
strwidth = BLF_width(fstyle->uifont_id, str, max_len);
}
if (fstyle->kerning == 1) {
BLF_disable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
return strwidth;
}
/**
* Wrapper around UI_text_clip_middle_ex.
*/
static void ui_text_clip_middle(uiFontStyle *fstyle, uiBut *but, const rcti *rect)
{
/* No margin for labels! */
const int border = ELEM(but->type, UI_BTYPE_LABEL, UI_BTYPE_MENU) ? 0 : (int)(UI_TEXT_CLIP_MARGIN + 0.5f);
const float okwidth = (float)max_ii(BLI_rcti_size_x(rect) - border, 0);
const size_t max_len = sizeof(but->drawstr);
const float minwidth = (float)(UI_DPI_ICON_SIZE) / but->block->aspect * 2.0f;
but->ofs = 0;
but->strwidth = UI_text_clip_middle_ex(fstyle, but->drawstr, okwidth, minwidth, max_len, '\0');
}
/**
* Like ui_text_clip_middle(), but protect/preserve at all cost the right part of the string after sep.
* Useful for strings with shortcuts (like 'AVeryLongFooBarLabelForMenuEntry|Ctrl O' -> 'AVeryLong...MenuEntry|Ctrl O').
*/
static void ui_text_clip_middle_protect_right(uiFontStyle *fstyle, uiBut *but, const rcti *rect, const char rsep)
{
/* No margin for labels! */
const int border = ELEM(but->type, UI_BTYPE_LABEL, UI_BTYPE_MENU) ? 0 : (int)(UI_TEXT_CLIP_MARGIN + 0.5f);
const float okwidth = (float)max_ii(BLI_rcti_size_x(rect) - border, 0);
const size_t max_len = sizeof(but->drawstr);
const float minwidth = (float)(UI_DPI_ICON_SIZE) / but->block->aspect * 2.0f;
but->ofs = 0;
but->strwidth = UI_text_clip_middle_ex(fstyle, but->drawstr, okwidth, minwidth, max_len, rsep);
}
/**
* Cut off the text, taking into account the cursor location (text display while editing).
*/
static void ui_text_clip_cursor(uiFontStyle *fstyle, uiBut *but, const rcti *rect)
{
const int border = (int)(UI_TEXT_CLIP_MARGIN + 0.5f);
const int okwidth = max_ii(BLI_rcti_size_x(rect) - border, 0);
BLI_assert(but->editstr && but->pos >= 0);
/* need to set this first */
UI_fontstyle_set(fstyle);
if (fstyle->kerning == 1) /* for BLF_width */
BLF_enable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
/* define ofs dynamically */
if (but->ofs > but->pos)
but->ofs = but->pos;
if (BLF_width(fstyle->uifont_id, but->editstr, INT_MAX) <= okwidth)
but->ofs = 0;
but->strwidth = BLF_width(fstyle->uifont_id, but->editstr + but->ofs, INT_MAX);
if (but->strwidth > okwidth) {
int len = strlen(but->editstr);
while (but->strwidth > okwidth) {
float width;
/* string position of cursor */
width = BLF_width(fstyle->uifont_id, but->editstr + but->ofs, (but->pos - but->ofs));
/* if cursor is at 20 pixels of right side button we clip left */
if (width > okwidth - 20) {
ui_text_clip_give_next_off(but, but->editstr);
}
else {
int bytes;
/* shift string to the left */
if (width < 20 && but->ofs > 0)
ui_text_clip_give_prev_off(but, but->editstr);
bytes = BLI_str_utf8_size(BLI_str_find_prev_char_utf8(but->editstr, but->editstr + len));
if (bytes == -1)
bytes = 1;
len -= bytes;
}
but->strwidth = BLF_width(fstyle->uifont_id, but->editstr + but->ofs, len - but->ofs);
if (but->strwidth < 10) break;
}
}
if (fstyle->kerning == 1) {
BLF_disable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
}
/**
* Cut off the end of text to fit into the width of \a rect.
*
* \note deals with ': ' especially for number buttons
*/
static void ui_text_clip_right_label(uiFontStyle *fstyle, uiBut *but, const rcti *rect)
{
const int border = UI_TEXT_CLIP_MARGIN + 1;
const int okwidth = max_ii(BLI_rcti_size_x(rect) - border, 0);
char *cpoin = NULL;
int drawstr_len = strlen(but->drawstr);
const char *cpend = but->drawstr + drawstr_len;
/* need to set this first */
UI_fontstyle_set(fstyle);
if (fstyle->kerning == 1) /* for BLF_width */
BLF_enable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
but->strwidth = BLF_width(fstyle->uifont_id, but->drawstr, sizeof(but->drawstr));
but->ofs = 0;
/* First shorten num-buttons eg,
* Translucency: 0.000
* becomes
* Trans: 0.000
*/
/* find the space after ':' separator */
cpoin = strrchr(but->drawstr, ':');
if (cpoin && (cpoin < cpend - 2)) {
char *cp2 = cpoin;
/* chop off the leading text, starting from the right */
while (but->strwidth > okwidth && cp2 > but->drawstr) {
const char *prev_utf8 = BLI_str_find_prev_char_utf8(but->drawstr, cp2);
int bytes = cp2 - prev_utf8;
/* shift the text after and including cp2 back by 1 char, +1 to include null terminator */
memmove(cp2 - bytes, cp2, drawstr_len + 1);
cp2 -= bytes;
drawstr_len -= bytes;
// BLI_assert(strlen(but->drawstr) == drawstr_len);
but->strwidth = BLF_width(fstyle->uifont_id, but->drawstr + but->ofs, sizeof(but->drawstr) - but->ofs);
if (but->strwidth < 10) break;
}
/* after the leading text is gone, chop off the : and following space, with ofs */
while ((but->strwidth > okwidth) && (but->ofs < 2)) {
ui_text_clip_give_next_off(but, but->drawstr);
but->strwidth = BLF_width(fstyle->uifont_id, but->drawstr + but->ofs, sizeof(but->drawstr) - but->ofs);
if (but->strwidth < 10) break;
}
}
/* Now just remove trailing chars */
/* once the label's gone, chop off the least significant digits */
if (but->strwidth > okwidth) {
float strwidth;
drawstr_len = BLF_width_to_strlen(fstyle->uifont_id, but->drawstr + but->ofs,
drawstr_len - but->ofs, okwidth, &strwidth) + but->ofs;
but->strwidth = strwidth;
but->drawstr[drawstr_len] = 0;
}
if (fstyle->kerning == 1)
BLF_disable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
#ifdef WITH_INPUT_IME
static void widget_draw_text_ime_underline(
uiFontStyle *fstyle, uiWidgetColors *wcol, uiBut *but, const rcti *rect,
const wmIMEData *ime_data, const char *drawstr)
{
int ofs_x, width;
int rect_x = BLI_rcti_size_x(rect);
int sel_start = ime_data->sel_start, sel_end = ime_data->sel_end;
float fcol[4];
if (drawstr[0] != 0) {
if (but->pos >= but->ofs) {
ofs_x = BLF_width(fstyle->uifont_id, drawstr + but->ofs, but->pos - but->ofs);
}
else {
ofs_x = 0;
}
width = BLF_width(fstyle->uifont_id, drawstr + but->ofs,
ime_data->composite_len + but->pos - but->ofs);
rgba_uchar_to_float(fcol, wcol->text);
UI_draw_text_underline(rect->xmin + ofs_x, rect->ymin + 6 * U.pixelsize, min_ii(width, rect_x - 2) - ofs_x, 1, fcol);
/* draw the thick line */
if (sel_start != -1 && sel_end != -1) {
sel_end -= sel_start;
sel_start += but->pos;
if (sel_start >= but->ofs) {
ofs_x = BLF_width(fstyle->uifont_id, drawstr + but->ofs, sel_start - but->ofs);
}
else {
ofs_x = 0;
}
width = BLF_width(fstyle->uifont_id, drawstr + but->ofs,
sel_end + sel_start - but->ofs);
UI_draw_text_underline(rect->xmin + ofs_x, rect->ymin + 6 * U.pixelsize, min_ii(width, rect_x - 2) - ofs_x, 2, fcol);
}
}
}
#endif /* WITH_INPUT_IME */
static void widget_draw_text(uiFontStyle *fstyle, uiWidgetColors *wcol, uiBut *but, rcti *rect)
{
int drawstr_left_len = UI_MAX_DRAW_STR;
const char *drawstr = but->drawstr;
const char *drawstr_right = NULL;
bool use_right_only = false;
#ifdef WITH_INPUT_IME
const wmIMEData *ime_data;
#endif
UI_fontstyle_set(fstyle);
if (but->editstr || (but->drawflag & UI_BUT_TEXT_LEFT))
fstyle->align = UI_STYLE_TEXT_LEFT;
else if (but->drawflag & UI_BUT_TEXT_RIGHT)
fstyle->align = UI_STYLE_TEXT_RIGHT;
else
fstyle->align = UI_STYLE_TEXT_CENTER;
if (fstyle->kerning == 1) /* for BLF_width */
BLF_enable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
/* Special case: when we're entering text for multiple buttons,
* don't draw the text for any of the multi-editing buttons */
if (UNLIKELY(but->flag & UI_BUT_DRAG_MULTI)) {
uiBut *but_edit = ui_but_drag_multi_edit_get(but);
if (but_edit) {
drawstr = but_edit->editstr;
fstyle->align = UI_STYLE_TEXT_LEFT;
}
}
else {
if (but->editstr) {
/* max length isn't used in this case,
* we rely on string being NULL terminated. */
drawstr_left_len = INT_MAX;
#ifdef WITH_INPUT_IME
/* FIXME, IME is modifying 'const char *drawstr! */
ime_data = ui_but_ime_data_get(but);
if (ime_data && ime_data->composite_len) {
/* insert composite string into cursor pos */
BLI_snprintf((char *)drawstr, UI_MAX_DRAW_STR, "%s%s%s",
but->editstr, ime_data->str_composite,
but->editstr + but->pos);
}
else
#endif
{
drawstr = but->editstr;
}
}
}
/* text button selection, cursor, composite underline */
if (but->editstr && but->pos != -1) {
int but_pos_ofs;
int tx, ty;
/* text button selection */
if ((but->selend - but->selsta) > 0) {
int selsta_draw, selwidth_draw;
if (drawstr[0] != 0) {
if (but->selsta >= but->ofs) {
selsta_draw = BLF_width(fstyle->uifont_id, drawstr + but->ofs, but->selsta - but->ofs);
}
else {
selsta_draw = 0;
}
selwidth_draw = BLF_width(fstyle->uifont_id, drawstr + but->ofs, but->selend - but->ofs);
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_I32, 2, GWN_FETCH_INT_TO_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor4ubv((unsigned char *)wcol->item);
immRecti(pos, rect->xmin + selsta_draw,
rect->ymin + 2,
min_ii(rect->xmin + selwidth_draw, rect->xmax - 2),
rect->ymax - 2);
immUnbindProgram();
}
}
/* text cursor */
but_pos_ofs = but->pos;
#ifdef WITH_INPUT_IME
/* if is ime compositing, move the cursor */
if (ime_data && ime_data->composite_len && ime_data->cursor_pos != -1) {
but_pos_ofs += ime_data->cursor_pos;
}
#endif
if (but->pos >= but->ofs) {
int t;
if (drawstr[0] != 0) {
t = BLF_width(fstyle->uifont_id, drawstr + but->ofs, but_pos_ofs - but->ofs);
}
else {
t = 0;
}
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_I32, 2, GWN_FETCH_INT_TO_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor3f(0.2f, 0.6f, 0.9f);
tx = rect->xmin + t + 2;
ty = rect->ymin + 2;
/* draw cursor */
immRecti(pos, rect->xmin + t, ty, tx, rect->ymax - 2);
immUnbindProgram();
}
#ifdef WITH_INPUT_IME
if (ime_data && ime_data->composite_len) {
/* ime cursor following */
if (but->pos >= but->ofs) {
ui_but_ime_reposition(but, tx + 5, ty + 3, false);
}
/* composite underline */
widget_draw_text_ime_underline(fstyle, wcol, but, rect, ime_data, drawstr);
}
#endif
}
if (fstyle->kerning == 1)
BLF_disable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
#if 0
ui_rasterpos_safe(x, y, but->aspect);
transopts = ui_translate_buttons();
#endif
/* cut string in 2 parts - only for menu entries */
if ((but->block->flag & UI_BLOCK_LOOP) &&
(but->editstr == NULL))
{
if (but->flag & UI_BUT_HAS_SEP_CHAR) {
drawstr_right = strrchr(drawstr, UI_SEP_CHAR);
if (drawstr_right) {
drawstr_left_len = (drawstr_right - drawstr);
drawstr_right++;
}
}
}
#ifdef USE_NUMBUTS_LR_ALIGN
if (!drawstr_right && ELEM(but->type, UI_BTYPE_NUM, UI_BTYPE_NUM_SLIDER) &&
/* if we're editing or multi-drag (fake editing), then use left alignment */
(but->editstr == NULL) && (drawstr == but->drawstr))
{
drawstr_right = strchr(drawstr + but->ofs, ':');
if (drawstr_right) {
drawstr_right++;
drawstr_left_len = (drawstr_right - drawstr);
while (*drawstr_right == ' ') {
drawstr_right++;
}
}
else {
/* no prefix, even so use only cpoin */
drawstr_right = drawstr + but->ofs;
use_right_only = true;
}
}
#endif
if (!use_right_only) {
/* for underline drawing */
float font_xofs, font_yofs;
int drawlen = (drawstr_left_len == INT_MAX) ? strlen(drawstr + but->ofs) : (drawstr_left_len - but->ofs);
if (drawlen > 0) {
UI_fontstyle_draw_ex(fstyle, rect, drawstr + but->ofs, (unsigned char *)wcol->text,
drawlen, &font_xofs, &font_yofs);
if (but->menu_key != '\0') {
char fixedbuf[128];
const char *str;
BLI_strncpy(fixedbuf, drawstr + but->ofs, min_ii(sizeof(fixedbuf), drawlen));
str = strchr(fixedbuf, but->menu_key - 32); /* upper case */
if (str == NULL)
str = strchr(fixedbuf, but->menu_key);
if (str) {
int ul_index = -1;
float ul_advance;
ul_index = (int)(str - fixedbuf);
if (fstyle->kerning == 1) {
BLF_enable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
fixedbuf[ul_index] = '\0';
ul_advance = BLF_width(fstyle->uifont_id, fixedbuf, ul_index);
BLF_position(fstyle->uifont_id, rect->xmin + font_xofs + ul_advance, rect->ymin + font_yofs, 0.0f);
BLF_color4ubv(fstyle->uifont_id, (unsigned char *)wcol->text);
BLF_draw(fstyle->uifont_id, "_", 2);
if (fstyle->kerning == 1) {
BLF_disable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
}
}
}
}
/* part text right aligned */
if (drawstr_right) {
fstyle->align = UI_STYLE_TEXT_RIGHT;
rect->xmax -= UI_TEXT_CLIP_MARGIN;
UI_fontstyle_draw(fstyle, rect, drawstr_right, (unsigned char *)wcol->text);
}
}
/* draws text and icons for buttons */
static void widget_draw_text_icon(uiFontStyle *fstyle, uiWidgetColors *wcol, uiBut *but, rcti *rect)
{
const uiButExtraIconType extra_icon_type = ui_but_icon_extra_get(but);
const bool show_menu_icon = ui_but_draw_menu_icon(but);
float alpha = (float)wcol->text[3] / 255.0f;
char password_str[UI_MAX_DRAW_STR];
ui_but_text_password_hide(password_str, but, false);
/* check for button text label */
if (but->type == UI_BTYPE_MENU && (but->flag & UI_BUT_NODE_LINK)) {
rcti temp = *rect;
temp.xmin = rect->xmax - BLI_rcti_size_y(rect) - 1;
widget_draw_icon(but, ICON_LAYER_USED, alpha, &temp, false);
}
/* If there's an icon too (made with uiDefIconTextBut) then draw the icon
* and offset the text label to accommodate it */
/* Big previews with optional text label below */
if (but->flag & UI_BUT_ICON_PREVIEW && ui_block_is_menu(but->block)) {
const BIFIconID icon = (but->flag & UI_HAS_ICON) ? but->icon + but->iconadd : ICON_NONE;
int icon_size = BLI_rcti_size_y(rect);
int text_size = 0;
/* This is a bit britle, but avoids adding an 'UI_BUT_HAS_LABEL' flag to but... */
if (icon_size > BLI_rcti_size_x(rect)) {
/* button is not square, it has extra height for label */
text_size = UI_UNIT_Y;
icon_size -= text_size;
}
/* draw icon in rect above the space reserved for the label */
rect->ymin += text_size;
glEnable(GL_BLEND);
widget_draw_preview(icon, alpha, rect);
glDisable(GL_BLEND);
/* offset rect to draw label in */
rect->ymin -= text_size;
rect->ymax -= icon_size;
/* vertically centering text */
rect->ymin += UI_UNIT_Y / 2;
}
/* Icons on the left with optional text label on the right */
else if (but->flag & UI_HAS_ICON || show_menu_icon) {
const BIFIconID icon = (but->flag & UI_HAS_ICON) ? but->icon + but->iconadd : ICON_NONE;
const float icon_size = ICON_DEFAULT_WIDTH_SCALE;
/* menu item - add some more padding so menus don't feel cramped. it must
* be part of the button so that this area is still clickable */
if (ui_block_is_pie_menu(but->block)) {
if (but->dt == UI_EMBOSS_RADIAL)
rect->xmin += 0.3f * U.widget_unit;
}
else if (ui_block_is_menu(but->block))
rect->xmin += 0.3f * U.widget_unit;
widget_draw_icon(but, icon, alpha, rect, show_menu_icon);
rect->xmin += icon_size;
/* without this menu keybindings will overlap the arrow icon [#38083] */
if (show_menu_icon) {
rect->xmax -= icon_size / 2.0f;
}
}
if (but->editstr || (but->drawflag & UI_BUT_TEXT_LEFT)) {
rect->xmin += (UI_TEXT_MARGIN_X * U.widget_unit) / but->block->aspect;
}
else if ((but->drawflag & UI_BUT_TEXT_RIGHT)) {
rect->xmax -= (UI_TEXT_MARGIN_X * U.widget_unit) / but->block->aspect;
}
/* extra icons, e.g. 'x' icon to clear text or icon for eyedropper */
if (extra_icon_type != UI_BUT_ICONEXTRA_NONE) {
rcti temp = *rect;
temp.xmin = temp.xmax - (BLI_rcti_size_y(rect) * 1.08f);
if (extra_icon_type == UI_BUT_ICONEXTRA_CLEAR) {
widget_draw_icon(but, ICON_PANEL_CLOSE, alpha, &temp, false);
}
else if (extra_icon_type == UI_BUT_ICONEXTRA_EYEDROPPER) {
widget_draw_icon(but, ICON_EYEDROPPER, alpha, &temp, false);
}
else {
BLI_assert(0);
}
rect->xmax -= ICON_SIZE_FROM_BUTRECT(rect);
}
/* clip but->drawstr to fit in available space */
if (but->editstr && but->pos >= 0) {
ui_text_clip_cursor(fstyle, but, rect);
}
else if (but->drawstr[0] == '\0') {
/* bypass text clipping on icon buttons */
but->ofs = 0;
but->strwidth = 0;
}
else if (ELEM(but->type, UI_BTYPE_NUM, UI_BTYPE_NUM_SLIDER)) {
ui_text_clip_right_label(fstyle, but, rect);
}
else if (but->flag & UI_BUT_HAS_SEP_CHAR) {
/* Clip middle, but protect in all case right part containing the shortcut, if any. */
ui_text_clip_middle_protect_right(fstyle, but, rect, UI_SEP_CHAR);
}
else {
ui_text_clip_middle(fstyle, but, rect);
}
/* always draw text for textbutton cursor */
widget_draw_text(fstyle, wcol, but, rect);
ui_but_text_password_hide(password_str, but, true);
/* if a widget uses font shadow it has to be deactivated now */
BLF_disable(fstyle->uifont_id, BLF_SHADOW);
}
#undef UI_TEXT_CLIP_MARGIN
/* *********************** widget types ************************************* */
static struct uiWidgetStateColors wcol_state_colors = {
{115, 190, 76, 255},
{90, 166, 51, 255},
{240, 235, 100, 255},
{215, 211, 75, 255},
{180, 0, 255, 255},
{153, 0, 230, 255},
{74, 137, 137, 255},
{49, 112, 112, 255},
0.5f, 0.0f
};
static struct uiWidgetColors wcol_num = {
{25, 25, 25, 255},
{180, 180, 180, 255},
{153, 153, 153, 255},
{90, 90, 90, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
1,
-20, 0
};
static struct uiWidgetColors wcol_numslider = {
{25, 25, 25, 255},
{180, 180, 180, 255},
{153, 153, 153, 255},
{128, 128, 128, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
1,
-20, 0
};
static struct uiWidgetColors wcol_text = {
{25, 25, 25, 255},
{153, 153, 153, 255},
{153, 153, 153, 255},
{90, 90, 90, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
1,
0, 25
};
static struct uiWidgetColors wcol_option = {
{0, 0, 0, 255},
{70, 70, 70, 255},
{70, 70, 70, 255},
{255, 255, 255, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
1,
15, -15
};
/* button that shows popup */
static struct uiWidgetColors wcol_menu = {
{0, 0, 0, 255},
{70, 70, 70, 255},
{70, 70, 70, 255},
{255, 255, 255, 255},
{255, 255, 255, 255},
{204, 204, 204, 255},
1,
15, -15
};
/* button that starts pulldown */
static struct uiWidgetColors wcol_pulldown = {
{0, 0, 0, 255},
{63, 63, 63, 255},
{86, 128, 194, 255},
{255, 255, 255, 255},
{0, 0, 0, 255},
{0, 0, 0, 255},
0,
25, -20
};
/* button inside menu */
static struct uiWidgetColors wcol_menu_item = {
{0, 0, 0, 255},
{0, 0, 0, 0},
{86, 128, 194, 255},
{172, 172, 172, 128},
{255, 255, 255, 255},
{0, 0, 0, 255},
1,
38, 0
};
/* backdrop menu + title text color */
static struct uiWidgetColors wcol_menu_back = {
{0, 0, 0, 255},
{25, 25, 25, 230},
{45, 45, 45, 230},
{100, 100, 100, 255},
{160, 160, 160, 255},
{255, 255, 255, 255},
0,
25, -20
};
/* pie menus */
static struct uiWidgetColors wcol_pie_menu = {
{10, 10, 10, 200},
{25, 25, 25, 230},
{140, 140, 140, 255},
{45, 45, 45, 230},
{160, 160, 160, 255},
{255, 255, 255, 255},
1,
10, -10
};
/* tooltip color */
static struct uiWidgetColors wcol_tooltip = {
{0, 0, 0, 255},
{25, 25, 25, 230},
{45, 45, 45, 230},
{100, 100, 100, 255},
{255, 255, 255, 255},
{255, 255, 255, 255},
0,
25, -20
};
static struct uiWidgetColors wcol_radio = {
{0, 0, 0, 255},
{70, 70, 70, 255},
{86, 128, 194, 255},
{255, 255, 255, 255},
{255, 255, 255, 255},
{0, 0, 0, 255},
1,
15, -15
};
static struct uiWidgetColors wcol_regular = {
{25, 25, 25, 255},
{153, 153, 153, 255},
{100, 100, 100, 255},
{25, 25, 25, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
0,
0, 0
};
static struct uiWidgetColors wcol_tool = {
{25, 25, 25, 255},
{153, 153, 153, 255},
{100, 100, 100, 255},
{25, 25, 25, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
1,
15, -15
};
static struct uiWidgetColors wcol_box = {
{25, 25, 25, 255},
{128, 128, 128, 255},
{100, 100, 100, 255},
{25, 25, 25, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
0,
0, 0
};
static struct uiWidgetColors wcol_toggle = {
{25, 25, 25, 255},
{153, 153, 153, 255},
{100, 100, 100, 255},
{25, 25, 25, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
0,
0, 0
};
static struct uiWidgetColors wcol_scroll = {
{50, 50, 50, 180},
{80, 80, 80, 180},
{100, 100, 100, 180},
{128, 128, 128, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
1,
5, -5
};
static struct uiWidgetColors wcol_progress = {
{0, 0, 0, 255},
{190, 190, 190, 255},
{100, 100, 100, 180},
{128, 128, 128, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
0,
0, 0
};
static struct uiWidgetColors wcol_list_item = {
{0, 0, 0, 255},
{0, 0, 0, 0},
{86, 128, 194, 255},
{90, 90, 90, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
0,
0, 0
};
struct uiWidgetColors wcol_tab = {
{255, 255, 255, 255},
{83, 83, 83, 255},
{114, 114, 114, 255},
{90, 90, 90, 255},
{0, 0, 0, 255},
{0, 0, 0, 255},
0,
0, 0
};
/* free wcol struct to play with */
static struct uiWidgetColors wcol_tmp = {
{0, 0, 0, 255},
{128, 128, 128, 255},
{100, 100, 100, 255},
{25, 25, 25, 255},
{0, 0, 0, 255},
{255, 255, 255, 255},
0,
0, 0
};
/* called for theme init (new theme) and versions */
void ui_widget_color_init(ThemeUI *tui)
{
tui->wcol_regular = wcol_regular;
tui->wcol_tool = wcol_tool;
tui->wcol_text = wcol_text;
tui->wcol_radio = wcol_radio;
tui->wcol_tab = wcol_tab;
tui->wcol_option = wcol_option;
tui->wcol_toggle = wcol_toggle;
tui->wcol_num = wcol_num;
tui->wcol_numslider = wcol_numslider;
tui->wcol_menu = wcol_menu;
tui->wcol_pulldown = wcol_pulldown;
tui->wcol_menu_back = wcol_menu_back;
tui->wcol_pie_menu = wcol_pie_menu;
tui->wcol_tooltip = wcol_tooltip;
tui->wcol_menu_item = wcol_menu_item;
tui->wcol_box = wcol_box;
tui->wcol_scroll = wcol_scroll;
tui->wcol_list_item = wcol_list_item;
tui->wcol_progress = wcol_progress;
tui->wcol_state = wcol_state_colors;
}
/* ************ button callbacks, state ***************** */
static void widget_state_blend(char cp[3], const char cpstate[3], const float fac)
{
if (fac != 0.0f) {
cp[0] = (int)((1.0f - fac) * cp[0] + fac * cpstate[0]);
cp[1] = (int)((1.0f - fac) * cp[1] + fac * cpstate[1]);
cp[2] = (int)((1.0f - fac) * cp[2] + fac * cpstate[2]);
}
}
/* put all widget colors on half alpha, use local storage */
static void ui_widget_color_disabled(uiWidgetType *wt)
{
static uiWidgetColors wcol_theme_s;
wcol_theme_s = *wt->wcol_theme;
wcol_theme_s.outline[3] *= 0.5;
wcol_theme_s.inner[3] *= 0.5;
wcol_theme_s.inner_sel[3] *= 0.5;
wcol_theme_s.item[3] *= 0.5;
wcol_theme_s.text[3] *= 0.5;
wcol_theme_s.text_sel[3] *= 0.5;
wt->wcol_theme = &wcol_theme_s;
}
/* copy colors from theme, and set changes in it based on state */
static void widget_state(uiWidgetType *wt, int state)
{
uiWidgetStateColors *wcol_state = wt->wcol_state;
if ((state & UI_BUT_LIST_ITEM) && !(state & UI_STATE_TEXT_INPUT)) {
/* Override default widget's colors. */
bTheme *btheme = UI_GetTheme();
wt->wcol_theme = &btheme->tui.wcol_list_item;
if (state & (UI_BUT_DISABLED | UI_BUT_INACTIVE)) {
ui_widget_color_disabled(wt);
}
}
wt->wcol = *(wt->wcol_theme);
if (state & UI_SELECT) {
copy_v4_v4_char(wt->wcol.inner, wt->wcol.inner_sel);
if (state & UI_BUT_ANIMATED_KEY)
widget_state_blend(wt->wcol.inner, wcol_state->inner_key_sel, wcol_state->blend);
else if (state & UI_BUT_ANIMATED)
widget_state_blend(wt->wcol.inner, wcol_state->inner_anim_sel, wcol_state->blend);
else if (state & UI_BUT_DRIVEN)
widget_state_blend(wt->wcol.inner, wcol_state->inner_driven_sel, wcol_state->blend);
else if (state & UI_BUT_OVERRIDEN)
widget_state_blend(wt->wcol.inner, wcol_state->inner_overridden_sel, wcol_state->blend);
copy_v3_v3_char(wt->wcol.text, wt->wcol.text_sel);
if (state & UI_SELECT)
SWAP(short, wt->wcol.shadetop, wt->wcol.shadedown);
}
else {
if (state & UI_BUT_ANIMATED_KEY)
widget_state_blend(wt->wcol.inner, wcol_state->inner_key, wcol_state->blend);
else if (state & UI_BUT_ANIMATED)
widget_state_blend(wt->wcol.inner, wcol_state->inner_anim, wcol_state->blend);
else if (state & UI_BUT_DRIVEN)
widget_state_blend(wt->wcol.inner, wcol_state->inner_driven, wcol_state->blend);
else if (state & UI_BUT_OVERRIDEN)
widget_state_blend(wt->wcol.inner, wcol_state->inner_overridden, wcol_state->blend);
if (state & UI_ACTIVE) { /* mouse over? */
wt->wcol.inner[0] = wt->wcol.inner[0] >= 240 ? 255 : wt->wcol.inner[0] + 15;
wt->wcol.inner[1] = wt->wcol.inner[1] >= 240 ? 255 : wt->wcol.inner[1] + 15;
wt->wcol.inner[2] = wt->wcol.inner[2] >= 240 ? 255 : wt->wcol.inner[2] + 15;
}
}
if (state & UI_BUT_REDALERT) {
char red[4] = {255, 0, 0};
widget_state_blend(wt->wcol.inner, red, 0.4f);
}
if (state & UI_BUT_DRAG_MULTI) {
/* the button isn't SELECT but we're editing this so draw with sel color */
copy_v4_v4_char(wt->wcol.inner, wt->wcol.inner_sel);
SWAP(short, wt->wcol.shadetop, wt->wcol.shadedown);
widget_state_blend(wt->wcol.text, wt->wcol.text_sel, 0.85f);
}
if (state & UI_BUT_NODE_ACTIVE) {
char blue[4] = {86, 128, 194};
widget_state_blend(wt->wcol.inner, blue, 0.3f);
}
}
/* sliders use special hack which sets 'item' as inner when drawing filling */
static void widget_state_numslider(uiWidgetType *wt, int state)
{
uiWidgetStateColors *wcol_state = wt->wcol_state;
float blend = wcol_state->blend - 0.2f; /* XXX special tweak to make sure that bar will still be visible */
/* call this for option button */
widget_state(wt, state);
/* now, set the inner-part so that it reflects state settings too */
/* TODO: maybe we should have separate settings for the blending colors used for this case? */
if (state & UI_SELECT) {
if (state & UI_BUT_ANIMATED_KEY)
widget_state_blend(wt->wcol.item, wcol_state->inner_key_sel, blend);
else if (state & UI_BUT_ANIMATED)
widget_state_blend(wt->wcol.item, wcol_state->inner_anim_sel, blend);
else if (state & UI_BUT_DRIVEN)
widget_state_blend(wt->wcol.item, wcol_state->inner_driven_sel, blend);
else if (state & UI_BUT_OVERRIDEN)
widget_state_blend(wt->wcol.item, wcol_state->inner_overridden_sel, blend);
if (state & UI_SELECT)
SWAP(short, wt->wcol.shadetop, wt->wcol.shadedown);
}
else {
if (state & UI_BUT_ANIMATED_KEY)
widget_state_blend(wt->wcol.item, wcol_state->inner_key, blend);
else if (state & UI_BUT_ANIMATED)
widget_state_blend(wt->wcol.item, wcol_state->inner_anim, blend);
else if (state & UI_BUT_DRIVEN)
widget_state_blend(wt->wcol.item, wcol_state->inner_driven, blend);
else if (state & UI_BUT_OVERRIDEN)
widget_state_blend(wt->wcol.item, wcol_state->inner_overridden, blend);
}
}
/* labels use theme colors for text */
static void widget_state_option_menu(uiWidgetType *wt, int state)
{
bTheme *btheme = UI_GetTheme(); /* XXX */
/* call this for option button */
widget_state(wt, state);
/* if not selected we get theme from menu back */
if (state & UI_SELECT)
copy_v3_v3_char(wt->wcol.text, btheme->tui.wcol_menu_back.text_sel);
else
copy_v3_v3_char(wt->wcol.text, btheme->tui.wcol_menu_back.text);
}
static void widget_state_nothing(uiWidgetType *wt, int UNUSED(state))
{
wt->wcol = *(wt->wcol_theme);
}
/* special case, button that calls pulldown */
static void widget_state_pulldown(uiWidgetType *wt, int state)
{
wt->wcol = *(wt->wcol_theme);
copy_v4_v4_char(wt->wcol.inner, wt->wcol.inner_sel);
copy_v3_v3_char(wt->wcol.outline, wt->wcol.inner);
if (state & UI_ACTIVE)
copy_v3_v3_char(wt->wcol.text, wt->wcol.text_sel);
}
/* special case, pie menu items */
static void widget_state_pie_menu_item(uiWidgetType *wt, int state)
{
wt->wcol = *(wt->wcol_theme);
/* active and disabled (not so common) */
if ((state & UI_BUT_DISABLED) && (state & UI_ACTIVE)) {
widget_state_blend(wt->wcol.text, wt->wcol.text_sel, 0.5f);
/* draw the backdrop at low alpha, helps navigating with keys
* when disabled items are active */
copy_v4_v4_char(wt->wcol.inner, wt->wcol.item);
wt->wcol.inner[3] = 64;
}
/* regular disabled */
else if (state & (UI_BUT_DISABLED | UI_BUT_INACTIVE)) {
widget_state_blend(wt->wcol.text, wt->wcol.inner, 0.5f);
}
/* regular active */
else if (state & UI_SELECT) {
copy_v4_v4_char(wt->wcol.outline, wt->wcol.inner_sel);
copy_v3_v3_char(wt->wcol.text, wt->wcol.text_sel);
}
else if (state & UI_ACTIVE) {
copy_v4_v4_char(wt->wcol.inner, wt->wcol.item);
copy_v3_v3_char(wt->wcol.text, wt->wcol.text_sel);
}
}
/* special case, menu items */
static void widget_state_menu_item(uiWidgetType *wt, int state)
{
wt->wcol = *(wt->wcol_theme);
/* active and disabled (not so common) */
if ((state & UI_BUT_DISABLED) && (state & UI_ACTIVE)) {
widget_state_blend(wt->wcol.text, wt->wcol.text_sel, 0.5f);
/* draw the backdrop at low alpha, helps navigating with keys
* when disabled items are active */
copy_v4_v4_char(wt->wcol.inner, wt->wcol.inner_sel);
wt->wcol.inner[3] = 64;
}
/* regular disabled */
else if (state & (UI_BUT_DISABLED | UI_BUT_INACTIVE)) {
widget_state_blend(wt->wcol.text, wt->wcol.inner, 0.5f);
}
/* regular active */
else if (state & UI_ACTIVE) {
copy_v4_v4_char(wt->wcol.inner, wt->wcol.inner_sel);
copy_v3_v3_char(wt->wcol.text, wt->wcol.text_sel);
}
}
/* ************ menu backdrop ************************* */
/* outside of rect, rad to left/bottom/right */
static void widget_softshadow(const rcti *rect, int roundboxalign, const float radin)
{
bTheme *btheme = UI_GetTheme();
uiWidgetBase wtb;
rcti rect1 = *rect;
float alphastep;
int step, totvert;
float triangle_strip[WIDGET_SIZE_MAX * 2 + 2][2];
const float radout = UI_ThemeMenuShadowWidth();
/* disabled shadow */
if (radout == 0.0f)
return;
/* prevent tooltips to not show round shadow */
if (radout > 0.2f * BLI_rcti_size_y(&rect1))
rect1.ymax -= 0.2f * BLI_rcti_size_y(&rect1);
else
rect1.ymax -= radout;
/* inner part */
totvert = round_box_shadow_edges(wtb.inner_v, &rect1, radin, roundboxalign & (UI_CNR_BOTTOM_RIGHT | UI_CNR_BOTTOM_LEFT), 0.0f);
/* we draw a number of increasing size alpha quad strips */
alphastep = 3.0f * btheme->tui.menu_shadow_fac / radout;
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
for (step = 1; step <= (int)radout; step++) {
float expfac = sqrtf(step / radout);
round_box_shadow_edges(wtb.outer_v, &rect1, radin, UI_CNR_ALL, (float)step);
immUniformColor4f(0.0f, 0.0f, 0.0f, alphastep * (1.0f - expfac));
widget_verts_to_triangle_strip(&wtb, totvert, triangle_strip);
widget_draw_vertex_buffer(pos, 0, GL_TRIANGLE_STRIP, triangle_strip, NULL, totvert * 2);
}
immUnbindProgram();
}
static void widget_menu_back(uiWidgetColors *wcol, rcti *rect, int flag, int direction)
{
uiWidgetBase wtb;
int roundboxalign = UI_CNR_ALL;
widget_init(&wtb);
/* menu is 2nd level or deeper */
if (flag & UI_BLOCK_POPUP) {
//rect->ymin -= 4.0;
//rect->ymax += 4.0;
}
else if (direction == UI_DIR_DOWN) {
roundboxalign = (UI_CNR_BOTTOM_RIGHT | UI_CNR_BOTTOM_LEFT);
rect->ymin -= 0.1f * U.widget_unit;
}
else if (direction == UI_DIR_UP) {
roundboxalign = UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT;
rect->ymax += 0.1f * U.widget_unit;
}
glEnable(GL_BLEND);
widget_softshadow(rect, roundboxalign, 0.25f * U.widget_unit);
round_box_edges(&wtb, roundboxalign, rect, 0.25f * U.widget_unit);
wtb.draw_emboss = false;
widgetbase_draw(&wtb, wcol);
glDisable(GL_BLEND);
}
static void ui_hsv_cursor(float x, float y)
{
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor3f(1.0f, 1.0f, 1.0f);
imm_draw_circle_fill_2d(pos, x, y, 3.0f * U.pixelsize, 8);
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);
immUniformColor3f(0.0f, 0.0f, 0.0f);
imm_draw_circle_wire_2d(pos, x, y, 3.0f * U.pixelsize, 12);
glDisable(GL_BLEND);
glDisable(GL_LINE_SMOOTH);
immUnbindProgram();
}
void ui_hsvcircle_vals_from_pos(float *val_rad, float *val_dist, const rcti *rect,
const float mx, const float my)
{
/* duplication of code... well, simple is better now */
const float centx = BLI_rcti_cent_x_fl(rect);
const float centy = BLI_rcti_cent_y_fl(rect);
const float radius = (float)min_ii(BLI_rcti_size_x(rect), BLI_rcti_size_y(rect)) / 2.0f;
const float m_delta[2] = {mx - centx, my - centy};
const float dist_sq = len_squared_v2(m_delta);
*val_dist = (dist_sq < (radius * radius)) ? sqrtf(dist_sq) / radius : 1.0f;
*val_rad = atan2f(m_delta[0], m_delta[1]) / (2.0f * (float)M_PI) + 0.5f;
}
/* cursor in hsv circle, in float units -1 to 1, to map on radius */
void ui_hsvcircle_pos_from_vals(uiBut *but, const rcti *rect, float *hsv, float *xpos, float *ypos)
{
/* duplication of code... well, simple is better now */
const float centx = BLI_rcti_cent_x_fl(rect);
const float centy = BLI_rcti_cent_y_fl(rect);
float radius = (float)min_ii(BLI_rcti_size_x(rect), BLI_rcti_size_y(rect)) / 2.0f;
float ang, radius_t;
ang = 2.0f * (float)M_PI * hsv[0] + (float)M_PI_2;
if ((but->flag & UI_BUT_COLOR_CUBIC) && (U.color_picker_type == USER_CP_CIRCLE_HSV))
radius_t = (1.0f - pow3f(1.0f - hsv[1]));
else
radius_t = hsv[1];
radius = CLAMPIS(radius_t, 0.0f, 1.0f) * radius;
*xpos = centx + cosf(-ang) * radius;
*ypos = centy + sinf(-ang) * radius;
}
static void ui_draw_but_HSVCIRCLE(uiBut *but, uiWidgetColors *wcol, const rcti *rect)
{
/* TODO(merwin): reimplement as shader for pixel-perfect colors */
const int tot = 64;
const float radstep = 2.0f * (float)M_PI / (float)tot;
const float centx = BLI_rcti_cent_x_fl(rect);
const float centy = BLI_rcti_cent_y_fl(rect);
float radius = (float)min_ii(BLI_rcti_size_x(rect), BLI_rcti_size_y(rect)) / 2.0f;
ColorPicker *cpicker = but->custom_data;
const float *hsv_ptr = cpicker->color_data;
float rgb[3], hsvo[3], hsv[3], col[3], colcent[3];
bool color_profile = ui_but_is_colorpicker_display_space(but);
/* color */
ui_but_v3_get(but, rgb);
/* since we use compat functions on both 'hsv' and 'hsvo', they need to be initialized */
hsvo[0] = hsv[0] = hsv_ptr[0];
hsvo[1] = hsv[1] = hsv_ptr[1];
hsvo[2] = hsv[2] = hsv_ptr[2];
if (color_profile)
ui_block_cm_to_display_space_v3(but->block, rgb);
ui_rgb_to_color_picker_compat_v(rgb, hsv);
copy_v3_v3(hsvo, hsv);
CLAMP(hsv[2], 0.0f, 1.0f); /* for display only */
/* exception: if 'lock' is set
* lock the value of the color wheel to 1.
* Useful for color correction tools where you're only interested in hue. */
if (but->flag & UI_BUT_COLOR_LOCK) {
if (U.color_picker_type == USER_CP_CIRCLE_HSV)
hsv[2] = 1.0f;
else
hsv[2] = 0.5f;
}
ui_color_picker_to_rgb(0.0f, 0.0f, hsv[2], colcent, colcent + 1, colcent + 2);
Gwn_VertFormat *format = immVertexFormat();
unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
unsigned int color = GWN_vertformat_attr_add(format, "color", GWN_COMP_F32, 3, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_SMOOTH_COLOR);
immBegin(GWN_PRIM_TRI_FAN, tot + 2);
immAttrib3fv(color, colcent);
immVertex2f(pos, centx, centy);
float ang = 0.0f;
for (int a = 0; a <= tot; a++, ang += radstep) {
float si = sinf(ang);
float co = cosf(ang);
ui_hsvcircle_vals_from_pos(hsv, hsv + 1, rect, centx + co * radius, centy + si * radius);
ui_color_picker_to_rgb_v(hsv, col);
immAttrib3fv(color, col);
immVertex2f(pos, centx + co * radius, centy + si * radius);
}
immEnd();
immUnbindProgram();
/* fully rounded outline */
format = immVertexFormat();
pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);
immUniformColor3ubv((unsigned char *)wcol->outline);
imm_draw_circle_wire_2d(pos, centx, centy, radius, tot);
immUnbindProgram();
glDisable(GL_BLEND);
glDisable(GL_LINE_SMOOTH);
/* cursor */
float xpos, ypos;
ui_hsvcircle_pos_from_vals(but, rect, hsvo, &xpos, &ypos);
ui_hsv_cursor(xpos, ypos);
}
/* ************ custom buttons, old stuff ************** */
/* draws in resolution of 48x4 colors */
void ui_draw_gradient(const rcti *rect, const float hsv[3], const int type, const float alpha)
{
/* allows for 4 steps (red->yellow) */
const int steps = 48;
const float color_step = 1.0f / steps;
int a;
float h = hsv[0], s = hsv[1], v = hsv[2];
float dx, dy, sx1, sx2, sy;
float col0[4][3]; /* left half, rect bottom to top */
float col1[4][3]; /* right half, rect bottom to top */
/* draw series of gouraud rects */
switch (type) {
case UI_GRAD_SV:
hsv_to_rgb(h, 0.0, 0.0, &col1[0][0], &col1[0][1], &col1[0][2]);
hsv_to_rgb(h, 0.0, 0.333, &col1[1][0], &col1[1][1], &col1[1][2]);
hsv_to_rgb(h, 0.0, 0.666, &col1[2][0], &col1[2][1], &col1[2][2]);
hsv_to_rgb(h, 0.0, 1.0, &col1[3][0], &col1[3][1], &col1[3][2]);
break;
case UI_GRAD_HV:
hsv_to_rgb(0.0, s, 0.0, &col1[0][0], &col1[0][1], &col1[0][2]);
hsv_to_rgb(0.0, s, 0.333, &col1[1][0], &col1[1][1], &col1[1][2]);
hsv_to_rgb(0.0, s, 0.666, &col1[2][0], &col1[2][1], &col1[2][2]);
hsv_to_rgb(0.0, s, 1.0, &col1[3][0], &col1[3][1], &col1[3][2]);
break;
case UI_GRAD_HS:
hsv_to_rgb(0.0, 0.0, v, &col1[0][0], &col1[0][1], &col1[0][2]);
hsv_to_rgb(0.0, 0.333, v, &col1[1][0], &col1[1][1], &col1[1][2]);
hsv_to_rgb(0.0, 0.666, v, &col1[2][0], &col1[2][1], &col1[2][2]);
hsv_to_rgb(0.0, 1.0, v, &col1[3][0], &col1[3][1], &col1[3][2]);
break;
case UI_GRAD_H:
hsv_to_rgb(0.0, 1.0, 1.0, &col1[0][0], &col1[0][1], &col1[0][2]);
copy_v3_v3(col1[1], col1[0]);
copy_v3_v3(col1[2], col1[0]);
copy_v3_v3(col1[3], col1[0]);
break;
case UI_GRAD_S:
hsv_to_rgb(1.0, 0.0, 1.0, &col1[1][0], &col1[1][1], &col1[1][2]);
copy_v3_v3(col1[0], col1[1]);
copy_v3_v3(col1[2], col1[1]);
copy_v3_v3(col1[3], col1[1]);
break;
case UI_GRAD_V:
hsv_to_rgb(1.0, 1.0, 0.0, &col1[2][0], &col1[2][1], &col1[2][2]);
copy_v3_v3(col1[0], col1[2]);
copy_v3_v3(col1[1], col1[2]);
copy_v3_v3(col1[3], col1[2]);
break;
default:
assert(!"invalid 'type' argument");
hsv_to_rgb(1.0, 1.0, 1.0, &col1[2][0], &col1[2][1], &col1[2][2]);
copy_v3_v3(col1[0], col1[2]);
copy_v3_v3(col1[1], col1[2]);
copy_v3_v3(col1[3], col1[2]);
break;
}
/* old below */
Gwn_VertFormat *format = immVertexFormat();
unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
unsigned int col = GWN_vertformat_attr_add(format, "color", GWN_COMP_F32, 4, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_SMOOTH_COLOR);
immBegin(GWN_PRIM_TRIS, steps * 3 * 6);
for (dx = 0.0f; dx < 0.999f; dx += color_step) { /* 0.999 = prevent float inaccuracy for steps */
const float dx_next = dx + color_step;
/* previous color */
copy_v3_v3(col0[0], col1[0]);
copy_v3_v3(col0[1], col1[1]);
copy_v3_v3(col0[2], col1[2]);
copy_v3_v3(col0[3], col1[3]);
/* new color */
switch (type) {
case UI_GRAD_SV:
hsv_to_rgb(h, dx, 0.0, &col1[0][0], &col1[0][1], &col1[0][2]);
hsv_to_rgb(h, dx, 0.333, &col1[1][0], &col1[1][1], &col1[1][2]);
hsv_to_rgb(h, dx, 0.666, &col1[2][0], &col1[2][1], &col1[2][2]);
hsv_to_rgb(h, dx, 1.0, &col1[3][0], &col1[3][1], &col1[3][2]);
break;
case UI_GRAD_HV:
hsv_to_rgb(dx_next, s, 0.0, &col1[0][0], &col1[0][1], &col1[0][2]);
hsv_to_rgb(dx_next, s, 0.333, &col1[1][0], &col1[1][1], &col1[1][2]);
hsv_to_rgb(dx_next, s, 0.666, &col1[2][0], &col1[2][1], &col1[2][2]);
hsv_to_rgb(dx_next, s, 1.0, &col1[3][0], &col1[3][1], &col1[3][2]);
break;
case UI_GRAD_HS:
hsv_to_rgb(dx_next, 0.0, v, &col1[0][0], &col1[0][1], &col1[0][2]);
hsv_to_rgb(dx_next, 0.333, v, &col1[1][0], &col1[1][1], &col1[1][2]);
hsv_to_rgb(dx_next, 0.666, v, &col1[2][0], &col1[2][1], &col1[2][2]);
hsv_to_rgb(dx_next, 1.0, v, &col1[3][0], &col1[3][1], &col1[3][2]);
break;
case UI_GRAD_H:
/* annoying but without this the color shifts - could be solved some other way
* - campbell */
hsv_to_rgb(dx_next, 1.0, 1.0, &col1[0][0], &col1[0][1], &col1[0][2]);
copy_v3_v3(col1[1], col1[0]);
copy_v3_v3(col1[2], col1[0]);
copy_v3_v3(col1[3], col1[0]);
break;
case UI_GRAD_S:
hsv_to_rgb(h, dx, 1.0, &col1[1][0], &col1[1][1], &col1[1][2]);
copy_v3_v3(col1[0], col1[1]);
copy_v3_v3(col1[2], col1[1]);
copy_v3_v3(col1[3], col1[1]);
break;
case UI_GRAD_V:
hsv_to_rgb(h, 1.0, dx, &col1[2][0], &col1[2][1], &col1[2][2]);
copy_v3_v3(col1[0], col1[2]);
copy_v3_v3(col1[1], col1[2]);
copy_v3_v3(col1[3], col1[2]);
break;
}
/* rect */
sx1 = rect->xmin + dx * BLI_rcti_size_x(rect);
sx2 = rect->xmin + dx_next * BLI_rcti_size_x(rect);
sy = rect->ymin;
dy = (float)BLI_rcti_size_y(rect) / 3.0f;
for (a = 0; a < 3; a++, sy += dy) {
immAttrib4f(col, col0[a][0], col0[a][1], col0[a][2], alpha);
immVertex2f(pos, sx1, sy);
immAttrib4f(col, col1[a][0], col1[a][1], col1[a][2], alpha);
immVertex2f(pos, sx2, sy);
immAttrib4f(col, col1[a + 1][0], col1[a + 1][1], col1[a + 1][2], alpha);
immVertex2f(pos, sx2, sy + dy);
immAttrib4f(col, col0[a][0], col0[a][1], col0[a][2], alpha);
immVertex2f(pos, sx1, sy);
immAttrib4f(col, col1[a + 1][0], col1[a + 1][1], col1[a + 1][2], alpha);
immVertex2f(pos, sx2, sy + dy);
immAttrib4f(col, col0[a + 1][0], col0[a + 1][1], col0[a + 1][2], alpha);
immVertex2f(pos, sx1, sy + dy);
}
}
immEnd();
immUnbindProgram();
}
bool ui_but_is_colorpicker_display_space(uiBut *but)
{
bool color_profile = but->block->color_profile;
if (but->rnaprop) {
if (RNA_property_subtype(but->rnaprop) == PROP_COLOR_GAMMA)
color_profile = false;
}
return color_profile;
}
void ui_hsvcube_pos_from_vals(uiBut *but, const rcti *rect, float *hsv, float *xp, float *yp)
{
float x = 0.0f, y = 0.0f;
switch ((int)but->a1) {
case UI_GRAD_SV:
x = hsv[1]; y = hsv[2]; break;
case UI_GRAD_HV:
x = hsv[0]; y = hsv[2]; break;
case UI_GRAD_HS:
x = hsv[0]; y = hsv[1]; break;
case UI_GRAD_H:
x = hsv[0]; y = 0.5; break;
case UI_GRAD_S:
x = hsv[1]; y = 0.5; break;
case UI_GRAD_V:
x = hsv[2]; y = 0.5; break;
case UI_GRAD_L_ALT:
x = 0.5f;
/* exception only for value strip - use the range set in but->min/max */
y = hsv[2];
break;
case UI_GRAD_V_ALT:
x = 0.5f;
/* exception only for value strip - use the range set in but->min/max */
y = (hsv[2] - but->softmin) / (but->softmax - but->softmin);
break;
}
/* cursor */
*xp = rect->xmin + x * BLI_rcti_size_x(rect);
*yp = rect->ymin + y * BLI_rcti_size_y(rect);
}
static void ui_draw_but_HSVCUBE(uiBut *but, const rcti *rect)
{
float rgb[3];
float x = 0.0f, y = 0.0f;
ColorPicker *cpicker = but->custom_data;
float *hsv = cpicker->color_data;
float hsv_n[3];
bool use_display_colorspace = ui_but_is_colorpicker_display_space(but);
copy_v3_v3(hsv_n, hsv);
ui_but_v3_get(but, rgb);
if (use_display_colorspace)
ui_block_cm_to_display_space_v3(but->block, rgb);
rgb_to_hsv_compat_v(rgb, hsv_n);
ui_draw_gradient(rect, hsv_n, but->a1, 1.0f);
ui_hsvcube_pos_from_vals(but, rect, hsv_n, &x, &y);
CLAMP(x, rect->xmin + 3.0f, rect->xmax - 3.0f);
CLAMP(y, rect->ymin + 3.0f, rect->ymax - 3.0f);
ui_hsv_cursor(x, y);
/* outline */
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor3ub(0, 0, 0);
imm_draw_box_wire_2d(pos, (rect->xmin), (rect->ymin), (rect->xmax), (rect->ymax));
immUnbindProgram();
}
/* vertical 'value' slider, using new widget code */
static void ui_draw_but_HSV_v(uiBut *but, const rcti *rect)
{
uiWidgetBase wtb;
const float rad = 0.5f * BLI_rcti_size_x(rect);
float x, y;
float rgb[3], hsv[3], v;
bool color_profile = but->block->color_profile;
if (but->rnaprop && RNA_property_subtype(but->rnaprop) == PROP_COLOR_GAMMA)
color_profile = false;
ui_but_v3_get(but, rgb);
if (color_profile)
ui_block_cm_to_display_space_v3(but->block, rgb);
if (but->a1 == UI_GRAD_L_ALT)
rgb_to_hsl_v(rgb, hsv);
else
rgb_to_hsv_v(rgb, hsv);
v = hsv[2];
/* map v from property range to [0,1] */
if (but->a1 == UI_GRAD_V_ALT) {
float min = but->softmin, max = but->softmax;
if (color_profile) {
ui_block_cm_to_display_space_range(but->block, &min, &max);
}
v = (v - min) / (max - min);
}
widget_init(&wtb);
/* fully rounded */
round_box_edges(&wtb, UI_CNR_ALL, rect, rad);
/* setup temp colors */
wcol_tmp.outline[0] = wcol_tmp.outline[1] = wcol_tmp.outline[2] = 0;
wcol_tmp.inner[0] = wcol_tmp.inner[1] = wcol_tmp.inner[2] = 128;
wcol_tmp.shadetop = 127;
wcol_tmp.shadedown = -128;
wcol_tmp.shaded = 1;
widgetbase_draw(&wtb, &wcol_tmp);
/* cursor */
x = rect->xmin + 0.5f * BLI_rcti_size_x(rect);
y = rect->ymin + v * BLI_rcti_size_y(rect);
CLAMP(y, rect->ymin + 3.0f, rect->ymax - 3.0f);
ui_hsv_cursor(x, y);
}
/* ************ separator, for menus etc ***************** */
static void ui_draw_separator(const rcti *rect, uiWidgetColors *wcol)
{
int y = rect->ymin + BLI_rcti_size_y(rect) / 2 - 1;
unsigned char col[4] = {
wcol->text[0],
wcol->text[1],
wcol->text[2],
30
};
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
glEnable(GL_BLEND);
immUniformColor4ubv(col);
glLineWidth(1.0f);
immBegin(GWN_PRIM_LINES, 2);
immVertex2f(pos, rect->xmin, y);
immVertex2f(pos, rect->xmax, y);
immEnd();
glDisable(GL_BLEND);
immUnbindProgram();
}
/* ************ button callbacks, draw ***************** */
static void widget_numbut_draw(uiWidgetColors *wcol, rcti *rect, int state, int roundboxalign, bool emboss)
{
uiWidgetBase wtb;
const float rad = 0.5f * BLI_rcti_size_y(rect);
float textofs = rad * 0.85f;
if (state & UI_SELECT)
SWAP(short, wcol->shadetop, wcol->shadedown);
widget_init(&wtb);
if (!emboss) {
round_box_edges(&wtb, roundboxalign, rect, rad);
}
else {
wtb.draw_inner = false;
wtb.draw_outline = false;
}
/* decoration */
if (!(state & UI_STATE_TEXT_INPUT)) {
shape_preset_init_number_arrows(&wtb.tria1, rect, 0.6f, 'l');
shape_preset_init_number_arrows(&wtb.tria2, rect, 0.6f, 'r');
}
widgetbase_draw(&wtb, wcol);
if (!(state & UI_STATE_TEXT_INPUT)) {
/* text space */
rect->xmin += textofs;
rect->xmax -= textofs;
}
}
static void widget_numbut(uiWidgetColors *wcol, rcti *rect, int state, int roundboxalign)
{
widget_numbut_draw(wcol, rect, state, roundboxalign, false);
}
/**
* Draw number buttons still with triangles when field is not embossed
*/
static void widget_numbut_embossn(uiBut *UNUSED(but), uiWidgetColors *wcol, rcti *rect, int state, int roundboxalign)
{
widget_numbut_draw(wcol, rect, state, roundboxalign, true);
}
bool ui_link_bezier_points(const rcti *rect, float coord_array[][2], int resol)
{
float dist, vec[4][2];
vec[0][0] = rect->xmin;
vec[0][1] = rect->ymin;
vec[3][0] = rect->xmax;
vec[3][1] = rect->ymax;
dist = 0.5f * fabsf(vec[0][0] - vec[3][0]);
vec[1][0] = vec[0][0] + dist;
vec[1][1] = vec[0][1];
vec[2][0] = vec[3][0] - dist;
vec[2][1] = vec[3][1];
BKE_curve_forward_diff_bezier(vec[0][0], vec[1][0], vec[2][0], vec[3][0], &coord_array[0][0], resol, sizeof(float[2]));
BKE_curve_forward_diff_bezier(vec[0][1], vec[1][1], vec[2][1], vec[3][1], &coord_array[0][1], resol, sizeof(float[2]));
/* TODO: why return anything if always true? */
return true;
}
#define LINK_RESOL 24
void ui_draw_link_bezier(const rcti *rect, const float color[4])
{
float coord_array[LINK_RESOL + 1][2];
if (ui_link_bezier_points(rect, coord_array, LINK_RESOL)) {
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
#if 0 /* unused */
/* we can reuse the dist variable here to increment the GL curve eval amount*/
const float dist = 1.0f / (float)LINK_RESOL;
#endif
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);
immUniformColor4fv(color);
immBegin(GWN_PRIM_LINE_STRIP, LINK_RESOL + 1);
for (int i = 0; i <= LINK_RESOL; ++i)
immVertex2fv(pos, coord_array[i]);
immEnd();
glDisable(GL_BLEND);
glDisable(GL_LINE_SMOOTH);
immUnbindProgram();
}
}
/* function in use for buttons and for view2d sliders */
void UI_draw_widget_scroll(uiWidgetColors *wcol, const rcti *rect, const rcti *slider, int state)
{
uiWidgetBase wtb;
int horizontal;
float rad;
bool outline = false;
widget_init(&wtb);
/* determine horizontal/vertical */
horizontal = (BLI_rcti_size_x(rect) > BLI_rcti_size_y(rect));
if (horizontal)
rad = 0.5f * BLI_rcti_size_y(rect);
else
rad = 0.5f * BLI_rcti_size_x(rect);
wtb.draw_shadedir = (horizontal) ? true : false;
/* draw back part, colors swapped and shading inverted */
if (horizontal)
SWAP(short, wcol->shadetop, wcol->shadedown);
round_box_edges(&wtb, UI_CNR_ALL, rect, rad);
widgetbase_draw(&wtb, wcol);
/* slider */
if ((BLI_rcti_size_x(slider) < 2) || (BLI_rcti_size_y(slider) < 2)) {
/* pass */
}
else {
SWAP(short, wcol->shadetop, wcol->shadedown);
copy_v4_v4_char(wcol->inner, wcol->item);
if (wcol->shadetop > wcol->shadedown)
wcol->shadetop += 20; /* XXX violates themes... */
else wcol->shadedown += 20;
if (state & UI_SCROLL_PRESSED) {
wcol->inner[0] = wcol->inner[0] >= 250 ? 255 : wcol->inner[0] + 5;
wcol->inner[1] = wcol->inner[1] >= 250 ? 255 : wcol->inner[1] + 5;
wcol->inner[2] = wcol->inner[2] >= 250 ? 255 : wcol->inner[2] + 5;
}
/* draw */
wtb.draw_emboss = false; /* only emboss once */
/* exception for progress bar */
if (state & UI_SCROLL_NO_OUTLINE) {
SWAP(bool, outline, wtb.draw_outline);
}
round_box_edges(&wtb, UI_CNR_ALL, slider, rad);
if (state & UI_SCROLL_ARROWS) {
if (wcol->item[0] > 48) wcol->item[0] -= 48;
if (wcol->item[1] > 48) wcol->item[1] -= 48;
if (wcol->item[2] > 48) wcol->item[2] -= 48;
wcol->item[3] = 255;
if (horizontal) {
shape_preset_init_scroll_circle(&wtb.tria1, slider, 0.6f, 'l');
shape_preset_init_scroll_circle(&wtb.tria2, slider, 0.6f, 'r');
}
else {
shape_preset_init_scroll_circle(&wtb.tria1, slider, 0.6f, 'b');
shape_preset_init_scroll_circle(&wtb.tria2, slider, 0.6f, 't');
}
}
widgetbase_draw(&wtb, wcol);
if (state & UI_SCROLL_NO_OUTLINE) {
SWAP(bool, outline, wtb.draw_outline);
}
}
}
static void widget_scroll(uiBut *but, uiWidgetColors *wcol, rcti *rect, int state, int UNUSED(roundboxalign))
{
rcti rect1;
double value;
float fac, size, min;
int horizontal;
/* calculate slider part */
value = ui_but_value_get(but);
size = (but->softmax + but->a1 - but->softmin);
size = max_ff(size, 2.0f);
/* position */
rect1 = *rect;
/* determine horizontal/vertical */
horizontal = (BLI_rcti_size_x(rect) > BLI_rcti_size_y(rect));
if (horizontal) {
fac = BLI_rcti_size_x(rect) / size;
rect1.xmin = rect1.xmin + ceilf(fac * ((float)value - but->softmin));
rect1.xmax = rect1.xmin + ceilf(fac * (but->a1 - but->softmin));
/* ensure minimium size */
min = BLI_rcti_size_y(rect);
if (BLI_rcti_size_x(&rect1) < min) {
rect1.xmax = rect1.xmin + min;
if (rect1.xmax > rect->xmax) {
rect1.xmax = rect->xmax;
rect1.xmin = max_ii(rect1.xmax - min, rect->xmin);
}
}
}
else {
fac = BLI_rcti_size_y(rect) / size;
rect1.ymax = rect1.ymax - ceilf(fac * ((float)value - but->softmin));
rect1.ymin = rect1.ymax - ceilf(fac * (but->a1 - but->softmin));
/* ensure minimium size */
min = BLI_rcti_size_x(rect);
if (BLI_rcti_size_y(&rect1) < min) {
rect1.ymax = rect1.ymin + min;
if (rect1.ymax > rect->ymax) {
rect1.ymax = rect->ymax;
rect1.ymin = max_ii(rect1.ymax - min, rect->ymin);
}
}
}
if (state & UI_SELECT)
state = UI_SCROLL_PRESSED;
else
state = 0;
UI_draw_widget_scroll(wcol, rect, &rect1, state);
}
static void widget_progressbar(uiBut *but, uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int roundboxalign)
{
uiWidgetBase wtb, wtb_bar;
rcti rect_prog = *rect, rect_bar = *rect;
widget_init(&wtb);
widget_init(&wtb_bar);
/* round corners */
float value = but->a1;
float offs = 0.25f * BLI_rcti_size_y(&rect_prog);
float w = value * BLI_rcti_size_x(&rect_prog);
/* ensure minimium size */
w = MAX2(w, offs);
rect_bar.xmax = rect_bar.xmin + w;
round_box_edges(&wtb, roundboxalign, &rect_prog, offs);
round_box_edges(&wtb_bar, roundboxalign, &rect_bar, offs);
wtb.draw_outline = true;
widgetbase_draw(&wtb, wcol);
/* "slider" bar color */
copy_v3_v3_char(wcol->inner, wcol->item);
widgetbase_draw(&wtb_bar, wcol);
/* raise text a bit */
rect->xmin += (BLI_rcti_size_x(&rect_prog) / 2);
rect->xmax += (BLI_rcti_size_x(&rect_prog) / 2);
}
static void widget_link(uiBut *but, uiWidgetColors *UNUSED(wcol), rcti *rect, int UNUSED(state), int UNUSED(roundboxalign))
{
if (but->flag & UI_SELECT) {
rcti rectlink;
float color[4];
UI_GetThemeColor4fv(TH_TEXT_HI, color);
rectlink.xmin = BLI_rcti_cent_x(rect);
rectlink.ymin = BLI_rcti_cent_y(rect);
rectlink.xmax = but->linkto[0];
rectlink.ymax = but->linkto[1];
ui_draw_link_bezier(&rectlink, color);
}
}
static void widget_numslider(uiBut *but, uiWidgetColors *wcol, rcti *rect, int state, int roundboxalign)
{
uiWidgetBase wtb, wtb1;
rcti rect1;
double value;
float offs, toffs, fac = 0;
char outline[3];
widget_init(&wtb);
widget_init(&wtb1);
/* backdrop first */
/* fully rounded */
offs = 0.5f * BLI_rcti_size_y(rect);
toffs = offs * 0.75f;
round_box_edges(&wtb, roundboxalign, rect, offs);
wtb.draw_outline = false;
widgetbase_draw(&wtb, wcol);
/* draw left/right parts only when not in text editing */
if (!(state & UI_STATE_TEXT_INPUT)) {
int roundboxalign_slider;
/* slider part */
copy_v3_v3_char(outline, wcol->outline);
copy_v3_v3_char(wcol->outline, wcol->item);
copy_v3_v3_char(wcol->inner, wcol->item);
if (!(state & UI_SELECT))
SWAP(short, wcol->shadetop, wcol->shadedown);
rect1 = *rect;
value = ui_but_value_get(but);
if ((but->softmax - but->softmin) > 0) {
fac = ((float)value - but->softmin) * (BLI_rcti_size_x(&rect1) - offs) / (but->softmax - but->softmin);
}
/* left part of slider, always rounded */
rect1.xmax = rect1.xmin + ceil(offs + U.pixelsize);
round_box_edges(&wtb1, roundboxalign & ~(UI_CNR_TOP_RIGHT | UI_CNR_BOTTOM_RIGHT), &rect1, offs);
wtb1.draw_outline = false;
widgetbase_draw(&wtb1, wcol);
/* right part of slider, interpolate roundness */
rect1.xmax = rect1.xmin + fac + offs;
rect1.xmin += floor(offs - U.pixelsize);
if (rect1.xmax + offs > rect->xmax) {
roundboxalign_slider = roundboxalign & ~(UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT);
offs *= (rect1.xmax + offs - rect->xmax) / offs;
}
else {
roundboxalign_slider = 0;
offs = 0.0f;
}
round_box_edges(&wtb1, roundboxalign_slider, &rect1, offs);
widgetbase_draw(&wtb1, wcol);
copy_v3_v3_char(wcol->outline, outline);
if (!(state & UI_SELECT))
SWAP(short, wcol->shadetop, wcol->shadedown);
}
/* outline */
wtb.draw_outline = true;
wtb.draw_inner = false;
widgetbase_draw(&wtb, wcol);
/* add space at either side of the button so text aligns with numbuttons (which have arrow icons) */
if (!(state & UI_STATE_TEXT_INPUT)) {
rect->xmax -= toffs;
rect->xmin += toffs;
}
}
/* I think 3 is sufficient border to indicate keyed status */
#define SWATCH_KEYED_BORDER 3
static void widget_swatch(uiBut *but, uiWidgetColors *wcol, rcti *rect, int state, int roundboxalign)
{
uiWidgetBase wtb;
float rad, col[4];
bool color_profile = but->block->color_profile;
col[3] = 1.0f;
if (but->rnaprop) {
BLI_assert(but->rnaindex == -1);
if (RNA_property_subtype(but->rnaprop) == PROP_COLOR_GAMMA)
color_profile = false;
if (RNA_property_array_length(&but->rnapoin, but->rnaprop) == 4) {
col[3] = RNA_property_float_get_index(&but->rnapoin, but->rnaprop, 3);
}
}
widget_init(&wtb);
/* half rounded */
rad = 0.25f * U.widget_unit;
round_box_edges(&wtb, roundboxalign, rect, rad);
ui_but_v3_get(but, col);
if (state & (UI_BUT_ANIMATED | UI_BUT_ANIMATED_KEY | UI_BUT_DRIVEN | UI_BUT_OVERRIDEN | UI_BUT_REDALERT)) {
/* draw based on state - color for keyed etc */
widgetbase_draw(&wtb, wcol);
/* inset to draw swatch color */
rect->xmin += SWATCH_KEYED_BORDER;
rect->xmax -= SWATCH_KEYED_BORDER;
rect->ymin += SWATCH_KEYED_BORDER;
rect->ymax -= SWATCH_KEYED_BORDER;
round_box_edges(&wtb, roundboxalign, rect, rad);
}
if (color_profile)
ui_block_cm_to_display_space_v3(but->block, col);
rgba_float_to_uchar((unsigned char *)wcol->inner, col);
wcol->shaded = 0;
wcol->alpha_check = (wcol->inner[3] < 255);
if (state & (UI_BUT_DISABLED | UI_BUT_INACTIVE)) {
/* Now we reduce alpha of the inner color (i.e. the color shown)
* so that this setting can look grayed out, while retaining
* the checkboard (for transparent values). This is needed
* here as the effects of ui_widget_color_disabled() are overwritten.
*/
wcol->inner[3] /= 2;
}
widgetbase_draw(&wtb, wcol);
if (but->a1 == UI_PALETTE_COLOR && ((Palette *)but->rnapoin.id.data)->active_color == (int)but->a2) {
float width = rect->xmax - rect->xmin;
float height = rect->ymax - rect->ymin;
/* find color luminance and change it slightly */
float bw = rgb_to_grayscale(col);
bw += (bw < 0.5f) ? 0.5f : -0.5f;
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor3f(bw, bw, bw);
immBegin(GWN_PRIM_TRIS, 3);
immVertex2f(pos, rect->xmin + 0.1f * width, rect->ymin + 0.9f * height);
immVertex2f(pos, rect->xmin + 0.1f * width, rect->ymin + 0.5f * height);
immVertex2f(pos, rect->xmin + 0.5f * width, rect->ymin + 0.9f * height);
immEnd();
immUnbindProgram();
}
}
static void widget_unitvec(uiBut *but, uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int UNUSED(roundboxalign))
{
ui_draw_but_UNITVEC(but, wcol, rect);
}
static void widget_icon_has_anim(uiBut *but, uiWidgetColors *wcol, rcti *rect, int state, int roundboxalign)
{
if (state & (UI_BUT_ANIMATED | UI_BUT_ANIMATED_KEY | UI_BUT_DRIVEN | UI_BUT_REDALERT)) {
uiWidgetBase wtb;
float rad;
widget_init(&wtb);
wtb.draw_outline = false;
/* rounded */
rad = 0.5f * BLI_rcti_size_y(rect);
round_box_edges(&wtb, UI_CNR_ALL, rect, rad);
widgetbase_draw(&wtb, wcol);
}
else if (but->type == UI_BTYPE_NUM) {
/* Draw number buttons still with left/right
* triangles when field is not embossed */
widget_numbut_embossn(but, wcol, rect, state, roundboxalign);
}
}
static void widget_textbut(uiWidgetColors *wcol, rcti *rect, int state, int roundboxalign)
{
uiWidgetBase wtb;
float rad;
if (state & UI_SELECT)
SWAP(short, wcol->shadetop, wcol->shadedown);
widget_init(&wtb);
/* half rounded */
rad = 0.2f * U.widget_unit;
round_box_edges(&wtb, roundboxalign, rect, rad);
widgetbase_draw(&wtb, wcol);
}
static void widget_menubut(uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int roundboxalign)
{
uiWidgetBase wtb;
float rad;
widget_init(&wtb);
/* half rounded */
rad = 0.2f * U.widget_unit;
round_box_edges(&wtb, roundboxalign, rect, rad);
/* decoration */
shape_preset_trias_from_rect_menu(&wtb.tria1, rect);
widgetbase_draw(&wtb, wcol);
/* text space, arrows are about 0.6 height of button */
rect->xmax -= (6 * BLI_rcti_size_y(rect)) / 10;
}
static void widget_menuiconbut(uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int roundboxalign)
{
uiWidgetBase wtb;
float rad;
widget_init(&wtb);
/* half rounded */
rad = 0.2f * U.widget_unit;
round_box_edges(&wtb, roundboxalign, rect, rad);
/* decoration */
widgetbase_draw(&wtb, wcol);
}
static void widget_menunodebut(uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int roundboxalign)
{
/* silly node link button hacks */
uiWidgetBase wtb;
uiWidgetColors wcol_backup = *wcol;
float rad;
widget_init(&wtb);
/* half rounded */
rad = 0.2f * U.widget_unit;
round_box_edges(&wtb, roundboxalign, rect, rad);
wcol->inner[0] = min_ii(wcol->inner[0] + 15, 255);
wcol->inner[1] = min_ii(wcol->inner[1] + 15, 255);
wcol->inner[2] = min_ii(wcol->inner[2] + 15, 255);
wcol->outline[0] = min_ii(wcol->outline[0] + 15, 255);
wcol->outline[1] = min_ii(wcol->outline[1] + 15, 255);
wcol->outline[2] = min_ii(wcol->outline[2] + 15, 255);
/* decoration */
widgetbase_draw(&wtb, wcol);
*wcol = wcol_backup;
}
static void widget_pulldownbut(uiWidgetColors *wcol, rcti *rect, int state, int roundboxalign)
{
if (state & UI_ACTIVE) {
uiWidgetBase wtb;
const float rad = 0.2f * U.widget_unit;
widget_init(&wtb);
/* half rounded */
round_box_edges(&wtb, roundboxalign, rect, rad);
widgetbase_draw(&wtb, wcol);
}
}
static void widget_menu_itembut(uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int UNUSED(roundboxalign))
{
uiWidgetBase wtb;
widget_init(&wtb);
/* not rounded, no outline */
wtb.draw_outline = false;
round_box_edges(&wtb, 0, rect, 0.0f);
widgetbase_draw(&wtb, wcol);
}
static void widget_menu_radial_itembut(uiBut *but, uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int UNUSED(roundboxalign))
{
uiWidgetBase wtb;
float rad;
float fac = but->block->pie_data.alphafac;
widget_init(&wtb);
wtb.draw_emboss = false;
rad = 0.5f * BLI_rcti_size_y(rect);
round_box_edges(&wtb, UI_CNR_ALL, rect, rad);
wcol->inner[3] *= fac;
wcol->inner_sel[3] *= fac;
wcol->item[3] *= fac;
wcol->text[3] *= fac;
wcol->text_sel[3] *= fac;
wcol->outline[3] *= fac;
widgetbase_draw(&wtb, wcol);
}
static void widget_list_itembut(uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int UNUSED(roundboxalign))
{
uiWidgetBase wtb;
float rad;
widget_init(&wtb);
/* rounded, but no outline */
wtb.draw_outline = false;
rad = 0.2f * U.widget_unit;
round_box_edges(&wtb, UI_CNR_ALL, rect, rad);
widgetbase_draw(&wtb, wcol);
}
static void widget_optionbut(uiWidgetColors *wcol, rcti *rect, int state, int UNUSED(roundboxalign))
{
uiWidgetBase wtb;
rcti recttemp = *rect;
float rad;
int delta;
widget_init(&wtb);
/* square */
recttemp.xmax = recttemp.xmin + BLI_rcti_size_y(&recttemp);
/* smaller */
delta = 1 + BLI_rcti_size_y(&recttemp) / 8;
recttemp.xmin += delta;
recttemp.ymin += delta;
recttemp.xmax -= delta;
recttemp.ymax -= delta;
/* half rounded */
rad = BLI_rcti_size_y(&recttemp) / 3;
round_box_edges(&wtb, UI_CNR_ALL, &recttemp, rad);
/* decoration */
if (state & UI_SELECT) {
shape_preset_trias_from_rect_checkmark(&wtb.tria1, &recttemp);
}
widgetbase_draw(&wtb, wcol);
/* text space */
rect->xmin += BLI_rcti_size_y(rect) * 0.7 + delta;
}
/* labels use Editor theme colors for text */
static void widget_state_label(uiWidgetType *wt, int state)
{
if (state & UI_BUT_LIST_ITEM) {
/* Override default label theme's colors. */
bTheme *btheme = UI_GetTheme();
wt->wcol_theme = &btheme->tui.wcol_list_item;
/* call this for option button */
widget_state(wt, state);
}
else {
/* call this for option button */
widget_state(wt, state);
if (state & UI_SELECT)
UI_GetThemeColor3ubv(TH_TEXT_HI, (unsigned char *)wt->wcol.text);
else
UI_GetThemeColor3ubv(TH_TEXT, (unsigned char *)wt->wcol.text);
}
}
static void widget_radiobut(uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int roundboxalign)
{
uiWidgetBase wtb;
float rad;
widget_init(&wtb);
/* half rounded */
rad = 0.2f * U.widget_unit;
round_box_edges(&wtb, roundboxalign, rect, rad);
widgetbase_draw(&wtb, wcol);
}
static void widget_box(uiBut *but, uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int roundboxalign)
{
uiWidgetBase wtb;
float rad;
char old_col[3];
widget_init(&wtb);
copy_v3_v3_char(old_col, wcol->inner);
/* abuse but->hsv - if it's non-zero, use this color as the box's background */
if (but->col[3]) {
wcol->inner[0] = but->col[0];
wcol->inner[1] = but->col[1];
wcol->inner[2] = but->col[2];
}
/* half rounded */
rad = 0.2f * U.widget_unit;
round_box_edges(&wtb, roundboxalign, rect, rad);
widgetbase_draw(&wtb, wcol);
copy_v3_v3_char(wcol->inner, old_col);
}
static void widget_but(uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int roundboxalign)
{
uiWidgetBase wtb;
float rad;
widget_init(&wtb);
/* half rounded */
rad = 0.2f * U.widget_unit;
round_box_edges(&wtb, roundboxalign, rect, rad);
widgetbase_draw(&wtb, wcol);
}
#if 0
static void widget_roundbut(uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int roundboxalign)
{
uiWidgetBase wtb;
const float rad = 0.25f * U.widget_unit;
widget_init(&wtb);
/* half rounded */
round_box_edges(&wtb, roundboxalign, rect, rad);
widgetbase_draw(&wtb, wcol);
}
#endif
static void widget_roundbut_exec(uiWidgetColors *wcol, rcti *rect, int state, int roundboxalign)
{
uiWidgetBase wtb;
const float rad = 0.25f * U.widget_unit;
widget_init(&wtb);
if (state & UI_STATE_HOLD_ACTION) {
/* Show that keeping pressed performs another action (typically a menu). */
shape_preset_init_hold_action(&wtb.tria1, rect, 0.75f, 'r');
}
/* half rounded */
round_box_edges(&wtb, roundboxalign, rect, rad);
widgetbase_draw(&wtb, wcol);
}
static void widget_tab(uiBut *but, uiWidgetColors *wcol, rcti *rect, int UNUSED(state), int roundboxalign)
{
const uiStyle *style = UI_style_get();
const float rad = 0.15f * U.widget_unit;
const int fontid = style->widget.uifont_id;
const bool is_active = (but->flag & UI_SELECT);
uiWidgetBase wtb;
unsigned char theme_col_tab_highlight[3];
/* create outline highlight colors */
if (is_active) {
interp_v3_v3v3_uchar(theme_col_tab_highlight, (unsigned char *)wcol->inner_sel,
(unsigned char *)wcol->outline, 0.2f);
}
else {
interp_v3_v3v3_uchar(theme_col_tab_highlight, (unsigned char *)wcol->inner,
(unsigned char *)wcol->outline, 0.12f);
}
widget_init(&wtb);
/* half rounded */
round_box_edges(&wtb, roundboxalign, rect, rad);
/* draw inner */
wtb.draw_outline = 0;
widgetbase_draw(&wtb, wcol);
/* draw outline (3d look) */
ui_draw_but_TAB_outline(rect, rad, theme_col_tab_highlight, (unsigned char *)wcol->inner);
/* text shadow */
BLF_enable(fontid, BLF_SHADOW);
BLF_shadow(fontid, 3, (const float[4]){1.0f, 1.0f, 1.0f, 0.25f});
BLF_shadow_offset(fontid, 0, -1);
}
static void widget_draw_extra_mask(const bContext *C, uiBut *but, uiWidgetType *wt, rcti *rect)
{
uiWidgetBase wtb;
const float rad = 0.25f * U.widget_unit;
unsigned char col[4];
/* state copy! */
wt->wcol = *(wt->wcol_theme);
widget_init(&wtb);
if (but->block->drawextra) {
/* note: drawextra can change rect +1 or -1, to match round errors of existing previews */
but->block->drawextra(C, but->poin, but->block->drawextra_arg1, but->block->drawextra_arg2, rect);
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
/* make mask to draw over image */
UI_GetThemeColor3ubv(TH_BACK, col);
immUniformColor3ubv(col);
round_box__edges(&wtb, UI_CNR_ALL, rect, 0.0f, rad);
widgetbase_outline(&wtb, pos);
immUnbindProgram();
}
/* outline */
round_box_edges(&wtb, UI_CNR_ALL, rect, rad);
wtb.draw_outline = true;
wtb.draw_inner = false;
widgetbase_draw(&wtb, &wt->wcol);
}
static uiWidgetType *widget_type(uiWidgetTypeEnum type)
{
bTheme *btheme = UI_GetTheme();
static uiWidgetType wt;
/* defaults */
wt.wcol_theme = &btheme->tui.wcol_regular;
wt.wcol_state = &btheme->tui.wcol_state;
wt.state = widget_state;
wt.draw = widget_but;
wt.custom = NULL;
wt.text = widget_draw_text_icon;
switch (type) {
case UI_WTYPE_REGULAR:
break;
case UI_WTYPE_LABEL:
wt.draw = NULL;
wt.state = widget_state_label;
break;
case UI_WTYPE_TOGGLE:
wt.wcol_theme = &btheme->tui.wcol_toggle;
break;
case UI_WTYPE_CHECKBOX:
wt.wcol_theme = &btheme->tui.wcol_option;
wt.draw = widget_optionbut;
break;
case UI_WTYPE_RADIO:
wt.wcol_theme = &btheme->tui.wcol_radio;
wt.draw = widget_radiobut;
break;
case UI_WTYPE_NUMBER:
wt.wcol_theme = &btheme->tui.wcol_num;
wt.draw = widget_numbut;
break;
case UI_WTYPE_SLIDER:
wt.wcol_theme = &btheme->tui.wcol_numslider;
wt.custom = widget_numslider;
wt.state = widget_state_numslider;
break;
case UI_WTYPE_EXEC:
wt.wcol_theme = &btheme->tui.wcol_tool;
wt.draw = widget_roundbut_exec;
break;
case UI_WTYPE_TAB:
wt.custom = widget_tab;
wt.wcol_theme = &btheme->tui.wcol_tab;
break;
case UI_WTYPE_TOOLTIP:
wt.wcol_theme = &btheme->tui.wcol_tooltip;
wt.draw = widget_menu_back;
break;
/* strings */
case UI_WTYPE_NAME:
wt.wcol_theme = &btheme->tui.wcol_text;
wt.draw = widget_textbut;
break;
case UI_WTYPE_NAME_LINK:
break;
case UI_WTYPE_POINTER_LINK:
break;
case UI_WTYPE_FILENAME:
break;
/* start menus */
case UI_WTYPE_MENU_RADIO:
wt.wcol_theme = &btheme->tui.wcol_menu;
wt.draw = widget_menubut;
break;
case UI_WTYPE_MENU_ICON_RADIO:
wt.wcol_theme = &btheme->tui.wcol_menu;
wt.draw = widget_menuiconbut;
break;
case UI_WTYPE_MENU_POINTER_LINK:
wt.wcol_theme = &btheme->tui.wcol_menu;
wt.draw = widget_menubut;
break;
case UI_WTYPE_MENU_NODE_LINK:
wt.wcol_theme = &btheme->tui.wcol_menu;
wt.draw = widget_menunodebut;
break;
case UI_WTYPE_PULLDOWN:
wt.wcol_theme = &btheme->tui.wcol_pulldown;
wt.draw = widget_pulldownbut;
wt.state = widget_state_pulldown;
break;
/* in menus */
case UI_WTYPE_MENU_ITEM:
wt.wcol_theme = &btheme->tui.wcol_menu_item;
wt.draw = widget_menu_itembut;
wt.state = widget_state_menu_item;
break;
case UI_WTYPE_MENU_BACK:
wt.wcol_theme = &btheme->tui.wcol_menu_back;
wt.draw = widget_menu_back;
break;
/* specials */
case UI_WTYPE_ICON:
wt.custom = widget_icon_has_anim;
break;
case UI_WTYPE_ICON_LABEL:
/* behave like regular labels (this is simply a label with an icon) */
wt.state = widget_state_label;
wt.custom = widget_icon_has_anim;
break;
case UI_WTYPE_SWATCH:
wt.custom = widget_swatch;
break;
case UI_WTYPE_BOX:
wt.custom = widget_box;
wt.wcol_theme = &btheme->tui.wcol_box;
break;
case UI_WTYPE_RGB_PICKER:
break;
case UI_WTYPE_UNITVEC:
wt.custom = widget_unitvec;
break;
case UI_WTYPE_SCROLL:
wt.wcol_theme = &btheme->tui.wcol_scroll;
wt.state = widget_state_nothing;
wt.custom = widget_scroll;
break;
case UI_WTYPE_LISTITEM:
wt.wcol_theme = &btheme->tui.wcol_list_item;
wt.draw = widget_list_itembut;
break;
case UI_WTYPE_PROGRESSBAR:
wt.wcol_theme = &btheme->tui.wcol_progress;
wt.custom = widget_progressbar;
break;
case UI_WTYPE_MENU_ITEM_RADIAL:
wt.wcol_theme = &btheme->tui.wcol_pie_menu;
wt.custom = widget_menu_radial_itembut;
wt.state = widget_state_pie_menu_item;
break;
}
return &wt;
}
static int widget_roundbox_set(uiBut *but, rcti *rect)
{
int roundbox = UI_CNR_ALL;
/* alignment */
if ((but->drawflag & UI_BUT_ALIGN) && but->type != UI_BTYPE_PULLDOWN) {
/* ui_block_position has this correction too, keep in sync */
if (but->drawflag & (UI_BUT_ALIGN_TOP | UI_BUT_ALIGN_STITCH_TOP))
rect->ymax += U.pixelsize;
if (but->drawflag & (UI_BUT_ALIGN_LEFT | UI_BUT_ALIGN_STITCH_LEFT))
rect->xmin -= U.pixelsize;
switch (but->drawflag & UI_BUT_ALIGN) {
case UI_BUT_ALIGN_TOP:
roundbox = UI_CNR_BOTTOM_LEFT | UI_CNR_BOTTOM_RIGHT;
break;
case UI_BUT_ALIGN_DOWN:
roundbox = UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT;
break;
case UI_BUT_ALIGN_LEFT:
roundbox = UI_CNR_TOP_RIGHT | UI_CNR_BOTTOM_RIGHT;
break;
case UI_BUT_ALIGN_RIGHT:
roundbox = UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT;
break;
case UI_BUT_ALIGN_DOWN | UI_BUT_ALIGN_RIGHT:
roundbox = UI_CNR_TOP_LEFT;
break;
case UI_BUT_ALIGN_DOWN | UI_BUT_ALIGN_LEFT:
roundbox = UI_CNR_TOP_RIGHT;
break;
case UI_BUT_ALIGN_TOP | UI_BUT_ALIGN_RIGHT:
roundbox = UI_CNR_BOTTOM_LEFT;
break;
case UI_BUT_ALIGN_TOP | UI_BUT_ALIGN_LEFT:
roundbox = UI_CNR_BOTTOM_RIGHT;
break;
default:
roundbox = 0;
break;
}
}
/* align with open menu */
if (but->active) {
int direction = ui_but_menu_direction(but);
if (direction == UI_DIR_UP) roundbox &= ~(UI_CNR_TOP_RIGHT | UI_CNR_TOP_LEFT);
else if (direction == UI_DIR_DOWN) roundbox &= ~(UI_CNR_BOTTOM_RIGHT | UI_CNR_BOTTOM_LEFT);
else if (direction == UI_DIR_LEFT) roundbox &= ~(UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT);
else if (direction == UI_DIR_RIGHT) roundbox &= ~(UI_CNR_TOP_RIGHT | UI_CNR_BOTTOM_RIGHT);
}
return roundbox;
}
/* -------------------------------------------------------------------- */
/** \name Public API
* \{ */
/* conversion from old to new buttons, so still messy */
void ui_draw_but(const bContext *C, ARegion *ar, uiStyle *style, uiBut *but, rcti *rect)
{
bTheme *btheme = UI_GetTheme();
ThemeUI *tui = &btheme->tui;
uiFontStyle *fstyle = &style->widget;
uiWidgetType *wt = NULL;
/* handle menus separately */
if (but->dt == UI_EMBOSS_PULLDOWN) {
switch (but->type) {
case UI_BTYPE_LABEL:
widget_draw_text_icon(&style->widgetlabel, &tui->wcol_menu_back, but, rect);
break;
case UI_BTYPE_SEPR_LINE:
ui_draw_separator(rect, &tui->wcol_menu_item);
break;
default:
wt = widget_type(UI_WTYPE_MENU_ITEM);
break;
}
}
else if (but->dt == UI_EMBOSS_NONE) {
/* "nothing" */
switch (but->type) {
case UI_BTYPE_LABEL:
wt = widget_type(UI_WTYPE_ICON_LABEL);
break;
default:
wt = widget_type(UI_WTYPE_ICON);
break;
}
}
else if (but->dt == UI_EMBOSS_RADIAL) {
wt = widget_type(UI_WTYPE_MENU_ITEM_RADIAL);
}
else {
BLI_assert(but->dt == UI_EMBOSS);
switch (but->type) {
case UI_BTYPE_LABEL:
wt = widget_type(UI_WTYPE_LABEL);
fstyle = &style->widgetlabel;
if (but->drawflag & UI_BUT_BOX_ITEM) {
wt->wcol_theme = &tui->wcol_box;
wt->state = widget_state;
}
else if (but->block->flag & UI_BLOCK_LOOP) {
wt->wcol_theme = &tui->wcol_menu_back;
wt->state = widget_state;
}
break;
case UI_BTYPE_SEPR:
case UI_BTYPE_SEPR_LINE:
break;
case UI_BTYPE_BUT:
wt = widget_type(UI_WTYPE_EXEC);
break;
case UI_BTYPE_NUM:
wt = widget_type(UI_WTYPE_NUMBER);
break;
case UI_BTYPE_NUM_SLIDER:
wt = widget_type(UI_WTYPE_SLIDER);
break;
case UI_BTYPE_ROW:
wt = widget_type(UI_WTYPE_RADIO);
break;
case UI_BTYPE_LISTROW:
wt = widget_type(UI_WTYPE_LISTITEM);
break;
case UI_BTYPE_TEXT:
wt = widget_type(UI_WTYPE_NAME);
break;
case UI_BTYPE_SEARCH_MENU:
wt = widget_type(UI_WTYPE_NAME);
if (but->block->flag & UI_BLOCK_LOOP)
wt->wcol_theme = &btheme->tui.wcol_menu_back;
break;
case UI_BTYPE_TAB:
wt = widget_type(UI_WTYPE_TAB);
break;
case UI_BTYPE_BUT_TOGGLE:
case UI_BTYPE_TOGGLE:
case UI_BTYPE_TOGGLE_N:
wt = widget_type(UI_WTYPE_TOGGLE);
break;
case UI_BTYPE_CHECKBOX:
case UI_BTYPE_CHECKBOX_N:
if (!(but->flag & UI_HAS_ICON)) {
wt = widget_type(UI_WTYPE_CHECKBOX);
but->drawflag |= UI_BUT_TEXT_LEFT;
}
else
wt = widget_type(UI_WTYPE_TOGGLE);
/* option buttons have strings outside, on menus use different colors */
if (but->block->flag & UI_BLOCK_LOOP)
wt->state = widget_state_option_menu;
break;
case UI_BTYPE_MENU:
case UI_BTYPE_BLOCK:
if (but->flag & UI_BUT_NODE_LINK) {
/* new node-link button, not active yet XXX */
wt = widget_type(UI_WTYPE_MENU_NODE_LINK);
}
else {
/* with menu arrows */
/* we could use a flag for this, but for now just check size,
* add updown arrows if there is room. */
if ((!but->str[0] && but->icon && (BLI_rcti_size_x(rect) < BLI_rcti_size_y(rect) + 2)) ||
/* disable for brushes also */
(but->flag & UI_BUT_ICON_PREVIEW))
{
/* no arrows */
wt = widget_type(UI_WTYPE_MENU_ICON_RADIO);
}
else {
wt = widget_type(UI_WTYPE_MENU_RADIO);
}
}
break;
case UI_BTYPE_PULLDOWN:
wt = widget_type(UI_WTYPE_PULLDOWN);
break;
case UI_BTYPE_BUT_MENU:
wt = widget_type(UI_WTYPE_MENU_ITEM);
break;
case UI_BTYPE_COLOR:
wt = widget_type(UI_WTYPE_SWATCH);
break;
case UI_BTYPE_ROUNDBOX:
case UI_BTYPE_LISTBOX:
wt = widget_type(UI_WTYPE_BOX);
break;
case UI_BTYPE_LINK:
case UI_BTYPE_INLINK:
wt = widget_type(UI_WTYPE_ICON);
wt->custom = widget_link;
break;
case UI_BTYPE_EXTRA:
widget_draw_extra_mask(C, but, widget_type(UI_WTYPE_BOX), rect);
break;
case UI_BTYPE_HSVCUBE:
if (ELEM(but->a1, UI_GRAD_V_ALT, UI_GRAD_L_ALT)) { /* vertical V slider, uses new widget draw now */
ui_draw_but_HSV_v(but, rect);
}
else { /* other HSV pickers... */
ui_draw_but_HSVCUBE(but, rect);
}
break;
case UI_BTYPE_HSVCIRCLE:
ui_draw_but_HSVCIRCLE(but, &tui->wcol_regular, rect);
break;
case UI_BTYPE_COLORBAND:
ui_draw_but_COLORBAND(but, &tui->wcol_regular, rect);
break;
case UI_BTYPE_UNITVEC:
wt = widget_type(UI_WTYPE_UNITVEC);
break;
case UI_BTYPE_IMAGE:
ui_draw_but_IMAGE(ar, but, &tui->wcol_regular, rect);
break;
case UI_BTYPE_HISTOGRAM:
ui_draw_but_HISTOGRAM(ar, but, &tui->wcol_regular, rect);
break;
case UI_BTYPE_WAVEFORM:
ui_draw_but_WAVEFORM(ar, but, &tui->wcol_regular, rect);
break;
case UI_BTYPE_VECTORSCOPE:
ui_draw_but_VECTORSCOPE(ar, but, &tui->wcol_regular, rect);
break;
case UI_BTYPE_CURVE:
ui_draw_but_CURVE(ar, but, &tui->wcol_regular, rect);
break;
case UI_BTYPE_PROGRESS_BAR:
wt = widget_type(UI_WTYPE_PROGRESSBAR);
fstyle = &style->widgetlabel;
break;
case UI_BTYPE_SCROLL:
wt = widget_type(UI_WTYPE_SCROLL);
break;
case UI_BTYPE_GRIP:
wt = widget_type(UI_WTYPE_ICON);
break;
case UI_BTYPE_TRACK_PREVIEW:
ui_draw_but_TRACKPREVIEW(ar, but, &tui->wcol_regular, rect);
break;
case UI_BTYPE_NODE_SOCKET:
ui_draw_but_NODESOCKET(ar, but, &tui->wcol_regular, rect);
break;
default:
wt = widget_type(UI_WTYPE_REGULAR);
break;
}
}
if (wt) {
//rcti disablerect = *rect; /* rect gets clipped smaller for text */
int roundboxalign, state;
bool disabled = false;
roundboxalign = widget_roundbox_set(but, rect);
/* Mask out flags re-used for local state. */
state = but->flag & ~UI_STATE_FLAGS_ALL;
if (state & UI_SELECT_DRAW) {
state |= UI_SELECT;
}
if ((but->editstr) ||
(UNLIKELY(but->flag & UI_BUT_DRAG_MULTI) && ui_but_drag_multi_edit_get(but)))
{
state |= UI_STATE_TEXT_INPUT;
}
if (but->hold_func) {
state |= UI_STATE_HOLD_ACTION;
}
if (state & (UI_BUT_DISABLED | UI_BUT_INACTIVE))
if (but->dt != UI_EMBOSS_PULLDOWN)
disabled = true;
if (disabled)
ui_widget_color_disabled(wt);
wt->state(wt, state);
if (wt->custom)
wt->custom(but, &wt->wcol, rect, state, roundboxalign);
else if (wt->draw)
wt->draw(&wt->wcol, rect, state, roundboxalign);
if (disabled)
glEnable(GL_BLEND);
wt->text(fstyle, &wt->wcol, but, rect);
if (disabled)
glDisable(GL_BLEND);
// if (state & (UI_BUT_DISABLED | UI_BUT_INACTIVE))
// if (but->dt != UI_EMBOSS_PULLDOWN)
// widget_disabled(&disablerect);
}
}
void ui_draw_menu_back(uiStyle *UNUSED(style), uiBlock *block, rcti *rect)
{
uiWidgetType *wt = widget_type(UI_WTYPE_MENU_BACK);
wt->state(wt, 0);
if (block)
wt->draw(&wt->wcol, rect, block->flag, block->direction);
else
wt->draw(&wt->wcol, rect, 0, 0);
if (block) {
float draw_color[4];
unsigned char *color = (unsigned char *)wt->wcol.text;
draw_color[0] = ((float)color[0]) / 255.0f;
draw_color[1] = ((float)color[1]) / 255.0f;
draw_color[2] = ((float)color[2]) / 255.0f;
draw_color[3] = 1.0f;
if (block->flag & UI_BLOCK_CLIPTOP) {
/* XXX no scaling for UI here yet */
UI_draw_icon_tri(BLI_rcti_cent_x(rect), rect->ymax - 8, 't', draw_color);
}
if (block->flag & UI_BLOCK_CLIPBOTTOM) {
/* XXX no scaling for UI here yet */
UI_draw_icon_tri(BLI_rcti_cent_x(rect), rect->ymin + 10, 'v', draw_color);
}
}
}
static void draw_disk_shaded(
float start, float angle,
float radius_int, float radius_ext, int subd,
const char col1[4], const char col2[4],
bool shaded)
{
const float radius_ext_scale = (0.5f / radius_ext); /* 1 / (2 * radius_ext) */
int i;
float s, c;
float y1, y2;
float fac;
unsigned char r_col[4];
unsigned int pos, col;
Gwn_VertFormat *format = immVertexFormat();
pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
if (shaded) {
col = GWN_vertformat_attr_add(format, "color", GWN_COMP_U8, 4, GWN_FETCH_INT_TO_FLOAT_UNIT);
immBindBuiltinProgram(GPU_SHADER_2D_SMOOTH_COLOR);
}
else {
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor4ubv((unsigned char *)col1);
}
immBegin(GWN_PRIM_TRI_STRIP, subd * 2);
for (i = 0; i < subd; i++) {
float a;
a = start + ((i) / (float)(subd - 1)) * angle;
s = sinf(a);
c = cosf(a);
y1 = s * radius_int;
y2 = s * radius_ext;
if (shaded) {
fac = (y1 + radius_ext) * radius_ext_scale;
round_box_shade_col4_r(r_col, col1, col2, fac);
immAttrib4ubv(col, r_col);
}
immVertex2f(pos, c * radius_int, s * radius_int);
if (shaded) {
fac = (y2 + radius_ext) * radius_ext_scale;
round_box_shade_col4_r(r_col, col1, col2, fac);
immAttrib4ubv(col, r_col);
}
immVertex2f(pos, c * radius_ext, s * radius_ext);
}
immEnd();
immUnbindProgram();
}
void ui_draw_pie_center(uiBlock *block)
{
bTheme *btheme = UI_GetTheme();
float cx = block->pie_data.pie_center_spawned[0];
float cy = block->pie_data.pie_center_spawned[1];
float *pie_dir = block->pie_data.pie_dir;
float pie_radius_internal = U.pixelsize * U.pie_menu_threshold;
float pie_radius_external = U.pixelsize * (U.pie_menu_threshold + 7.0f);
int subd = 40;
float angle = atan2f(pie_dir[1], pie_dir[0]);
float range = (block->pie_data.flags & UI_PIE_DEGREES_RANGE_LARGE) ? M_PI_2 : M_PI_4;
gpuPushMatrix();
gpuTranslate2f(cx, cy);
glEnable(GL_BLEND);
if (btheme->tui.wcol_pie_menu.shaded) {
char col1[4], col2[4];
shadecolors4(col1, col2, btheme->tui.wcol_pie_menu.inner, btheme->tui.wcol_pie_menu.shadetop, btheme->tui.wcol_pie_menu.shadedown);
draw_disk_shaded(0.0f, (float)(M_PI * 2.0), pie_radius_internal, pie_radius_external, subd, col1, col2, true);
}
else {
draw_disk_shaded(0.0f, (float)(M_PI * 2.0), pie_radius_internal, pie_radius_external, subd, btheme->tui.wcol_pie_menu.inner, NULL, false);
}
if (!(block->pie_data.flags & UI_PIE_INVALID_DIR)) {
if (btheme->tui.wcol_pie_menu.shaded) {
char col1[4], col2[4];
shadecolors4(col1, col2, btheme->tui.wcol_pie_menu.inner_sel, btheme->tui.wcol_pie_menu.shadetop, btheme->tui.wcol_pie_menu.shadedown);
draw_disk_shaded(angle - range / 2.0f, range, pie_radius_internal, pie_radius_external, subd, col1, col2, true);
}
else {
draw_disk_shaded(angle - range / 2.0f, range, pie_radius_internal, pie_radius_external, subd, btheme->tui.wcol_pie_menu.inner_sel, NULL, false);
}
}
Gwn_VertFormat *format = immVertexFormat();
unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor4ubv((unsigned char *)btheme->tui.wcol_pie_menu.outline);
imm_draw_circle_wire_2d(pos, 0.0f, 0.0f, pie_radius_internal, subd);
imm_draw_circle_wire_2d(pos, 0.0f, 0.0f, pie_radius_external, subd);
immUnbindProgram();
if (U.pie_menu_confirm > 0 && !(block->pie_data.flags & (UI_PIE_INVALID_DIR | UI_PIE_CLICK_STYLE))) {
float pie_confirm_radius = U.pixelsize * (pie_radius_internal + U.pie_menu_confirm);
float pie_confirm_external = U.pixelsize * (pie_radius_internal + U.pie_menu_confirm + 7.0f);
const char col[4] = {btheme->tui.wcol_pie_menu.text_sel[0],
btheme->tui.wcol_pie_menu.text_sel[1],
btheme->tui.wcol_pie_menu.text_sel[2],
64};
draw_disk_shaded(angle - range / 2.0f, range, pie_confirm_radius, pie_confirm_external, subd, col, NULL, false);
}
glDisable(GL_BLEND);
gpuPopMatrix();
}
uiWidgetColors *ui_tooltip_get_theme(void)
{
uiWidgetType *wt = widget_type(UI_WTYPE_TOOLTIP);
return wt->wcol_theme;
}
void ui_draw_tooltip_background(uiStyle *UNUSED(style), uiBlock *UNUSED(block), rcti *rect)
{
uiWidgetType *wt = widget_type(UI_WTYPE_TOOLTIP);
wt->state(wt, 0);
/* wt->draw ends up using same function to draw the tooltip as menu_back */
wt->draw(&wt->wcol, rect, 0, 0);
}
void ui_draw_search_back(uiStyle *UNUSED(style), uiBlock *block, rcti *rect)
{
uiWidgetType *wt = widget_type(UI_WTYPE_BOX);
glEnable(GL_BLEND);
widget_softshadow(rect, UI_CNR_ALL, 0.25f * U.widget_unit);
glDisable(GL_BLEND);
wt->state(wt, 0);
if (block)
wt->draw(&wt->wcol, rect, block->flag, UI_CNR_ALL);
else
wt->draw(&wt->wcol, rect, 0, UI_CNR_ALL);
}
/* helper call to draw a menu item without button */
/* state: UI_ACTIVE or 0 */
void ui_draw_menu_item(uiFontStyle *fstyle, rcti *rect, const char *name, int iconid, int state, bool use_sep)
{
uiWidgetType *wt = widget_type(UI_WTYPE_MENU_ITEM);
rcti _rect = *rect;
char *cpoin = NULL;
wt->state(wt, state);
wt->draw(&wt->wcol, rect, 0, 0);
UI_fontstyle_set(fstyle);
fstyle->align = UI_STYLE_TEXT_LEFT;
/* text location offset */
rect->xmin += 0.25f * UI_UNIT_X;
if (iconid) rect->xmin += UI_DPI_ICON_SIZE;
/* cut string in 2 parts? */
if (use_sep) {
cpoin = strchr(name, UI_SEP_CHAR);
if (cpoin) {
*cpoin = 0;
/* need to set this first */
UI_fontstyle_set(fstyle);
if (fstyle->kerning == 1) { /* for BLF_width */
BLF_enable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
rect->xmax -= BLF_width(fstyle->uifont_id, cpoin + 1, INT_MAX) + UI_DPI_ICON_SIZE;
if (fstyle->kerning == 1) {
BLF_disable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
}
}
{
char drawstr[UI_MAX_DRAW_STR];
const float okwidth = (float)BLI_rcti_size_x(rect);
const size_t max_len = sizeof(drawstr);
const float minwidth = (float)(UI_DPI_ICON_SIZE);
BLI_strncpy(drawstr, name, sizeof(drawstr));
if (drawstr[0]) {
UI_text_clip_middle_ex(fstyle, drawstr, okwidth, minwidth, max_len, '\0');
}
UI_fontstyle_draw(fstyle, rect, drawstr, (unsigned char *)wt->wcol.text);
}
/* part text right aligned */
if (use_sep) {
if (cpoin) {
fstyle->align = UI_STYLE_TEXT_RIGHT;
rect->xmax = _rect.xmax - 5;
UI_fontstyle_draw(fstyle, rect, cpoin + 1, (unsigned char *)wt->wcol.text);
*cpoin = UI_SEP_CHAR;
}
}
/* restore rect, was messed with */
*rect = _rect;
if (iconid) {
float height, aspect;
int xs = rect->xmin + 0.2f * UI_UNIT_X;
int ys = rect->ymin + 0.1f * BLI_rcti_size_y(rect);
height = ICON_SIZE_FROM_BUTRECT(rect);
aspect = ICON_DEFAULT_HEIGHT / height;
glEnable(GL_BLEND);
UI_icon_draw_aspect(xs, ys, iconid, aspect, 1.0f); /* XXX scale weak get from fstyle? */
glDisable(GL_BLEND);
}
}
void ui_draw_preview_item(uiFontStyle *fstyle, rcti *rect, const char *name, int iconid, int state)
{
rcti trect = *rect;
const float text_size = UI_UNIT_Y;
float font_dims[2] = {0.0f, 0.0f};
uiWidgetType *wt = widget_type(UI_WTYPE_MENU_ITEM);
/* drawing button background */
wt->state(wt, state);
wt->draw(&wt->wcol, rect, 0, 0);
/* draw icon in rect above the space reserved for the label */
rect->ymin += text_size;
glEnable(GL_BLEND);
widget_draw_preview(iconid, 1.0f, rect);
glDisable(GL_BLEND);
BLF_width_and_height(fstyle->uifont_id, name, BLF_DRAW_STR_DUMMY_MAX, &font_dims[0], &font_dims[1]);
/* text rect */
trect.xmin += 0;
trect.xmax = trect.xmin + font_dims[0] + U.widget_unit / 2;
trect.ymin += U.widget_unit / 2;
trect.ymax = trect.ymin + font_dims[1];
if (trect.xmax > rect->xmax - PREVIEW_PAD)
trect.xmax = rect->xmax - PREVIEW_PAD;
{
char drawstr[UI_MAX_DRAW_STR];
const float okwidth = (float)BLI_rcti_size_x(&trect);
const size_t max_len = sizeof(drawstr);
const float minwidth = (float)(UI_DPI_ICON_SIZE);
BLI_strncpy(drawstr, name, sizeof(drawstr));
UI_text_clip_middle_ex(fstyle, drawstr, okwidth, minwidth, max_len, '\0');
UI_fontstyle_draw(fstyle, &trect, drawstr, (unsigned char *)wt->wcol.text);
}
}
/** \} */
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