archive/blender-archive
Archived
1
1
Fork 0
Code Pull Requests Activity
This repository has been archived on 2023-10-09. You can view files and clone it, but cannot push or open issues or pull requests.
Files
4858f9faab95d080fc595e56f620aa91750e7f5d
blender-archive/source/blender/editors/interface/interface_panel.c
Bastien Montagne 56598fd342 Some UI access to multi-frames icons... 
Not so happy to have to change whole UI API like that, but... can't
really see another solution, since layout API does not return any
handler to button(s) it creates. :/
2016-10-22 10:47:27 +02:00

2152 lines
59 KiB
C
Raw Blame History

/*
* ***** 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) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* Contributor(s): Blender Foundation, 2003-2009 full recode.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/interface/interface_panel.c
* \ingroup edinterface
*/
/* a full doc with API notes can be found in bf-blender/trunk/blender/doc/guides/interface_API.txt */
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "MEM_guardedalloc.h"
#include "PIL_time.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "BLT_translation.h"
#include "DNA_userdef_types.h"
#include "BKE_context.h"
#include "BKE_screen.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "BLF_api.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_screen.h"
#include "UI_view2d.h"
#include "UI_interface.h"
#include "UI_interface_icons.h"
#include "UI_resources.h"
#include "interface_intern.h"
/*********************** defines and structs ************************/
#define ANIMATION_TIME 0.30
#define ANIMATION_INTERVAL 0.02
#define PNL_LAST_ADDED 1
#define PNL_ACTIVE 2
#define PNL_WAS_ACTIVE 4
#define PNL_ANIM_ALIGN 8
#define PNL_NEW_ADDED 16
#define PNL_FIRST 32
/* only show pin header button for pinned panels */
#define USE_PIN_HIDDEN
/* the state of the mouse position relative to the panel */
typedef enum uiPanelMouseState {
PANEL_MOUSE_OUTSIDE, /* mouse is not in the panel */
PANEL_MOUSE_INSIDE_CONTENT, /* mouse is in the actual panel content */
PANEL_MOUSE_INSIDE_HEADER, /* mouse is in the panel header */
PANEL_MOUSE_INSIDE_SCALE, /* mouse is inside panel scale widget */
} uiPanelMouseState;
typedef enum uiHandlePanelState {
PANEL_STATE_DRAG,
PANEL_STATE_DRAG_SCALE,
PANEL_STATE_WAIT_UNTAB,
PANEL_STATE_ANIMATION,
PANEL_STATE_EXIT
} uiHandlePanelState;
typedef struct uiHandlePanelData {
uiHandlePanelState state;
/* animation */
wmTimer *animtimer;
double starttime;
/* dragging */
int startx, starty;
int startofsx, startofsy;
int startsizex, startsizey;
} uiHandlePanelData;
static void panel_activate_state(const bContext *C, Panel *pa, uiHandlePanelState state);
/*********************** space specific code ************************/
/* temporary code to remove all sbuts stuff from panel code */
static int panel_aligned(ScrArea *sa, ARegion *ar)
{
if (sa->spacetype == SPACE_BUTS && ar->regiontype == RGN_TYPE_WINDOW) {
SpaceButs *sbuts = sa->spacedata.first;
return sbuts->align;
}
else if (sa->spacetype == SPACE_USERPREF && ar->regiontype == RGN_TYPE_WINDOW)
return BUT_VERTICAL;
else if (sa->spacetype == SPACE_FILE && ar->regiontype == RGN_TYPE_CHANNELS)
return BUT_VERTICAL;
else if (sa->spacetype == SPACE_IMAGE && ar->regiontype == RGN_TYPE_PREVIEW)
return BUT_VERTICAL;
else if (ELEM(ar->regiontype, RGN_TYPE_UI, RGN_TYPE_TOOLS, RGN_TYPE_TOOL_PROPS))
return BUT_VERTICAL;
return 0;
}
static int panels_re_align(ScrArea *sa, ARegion *ar, Panel **r_pa)
{
Panel *pa;
int active = 0;
*r_pa = NULL;
if (sa->spacetype == SPACE_BUTS && ar->regiontype == RGN_TYPE_WINDOW) {
SpaceButs *sbuts = sa->spacedata.first;
if (sbuts->align)
if (sbuts->re_align || sbuts->mainbo != sbuts->mainb)
return 1;
}
else if (sa->spacetype == SPACE_IMAGE && ar->regiontype == RGN_TYPE_PREVIEW)
return 1;
else if (sa->spacetype == SPACE_FILE && ar->regiontype == RGN_TYPE_CHANNELS)
return 1;
/* in case panel is added or disappears */
for (pa = ar->panels.first; pa; pa = pa->next) {
if ((pa->runtime_flag & PNL_WAS_ACTIVE) && !(pa->runtime_flag & PNL_ACTIVE))
return 1;
if (!(pa->runtime_flag & PNL_WAS_ACTIVE) && (pa->runtime_flag & PNL_ACTIVE))
return 1;
if (pa->activedata)
active = 1;
}
/* in case we need to do an animation (size changes) */
for (pa = ar->panels.first; pa; pa = pa->next) {
if (pa->runtime_flag & PNL_ANIM_ALIGN) {
if (!active)
*r_pa = pa;
return 1;
}
}
return 0;
}
/****************************** panels ******************************/
static void panels_collapse_all(ScrArea *sa, ARegion *ar, const Panel *from_pa)
{
const bool has_category_tabs = UI_panel_category_is_visible(ar);
const char *category = has_category_tabs ? UI_panel_category_active_get(ar, false) : NULL;
const int flag = ((panel_aligned(sa, ar) == BUT_HORIZONTAL) ? PNL_CLOSEDX : PNL_CLOSEDY);
const PanelType *from_pt = from_pa->type;
Panel *pa;
for (pa = ar->panels.first; pa; pa = pa->next) {
PanelType *pt = pa->type;
/* close panels with headers in the same context */
if (pt && from_pt && !(pt->flag & PNL_NO_HEADER)) {
if (!pt->context[0] || !from_pt->context[0] || STREQ(pt->context, from_pt->context)) {
if ((pa->flag & PNL_PIN) || !category || !pt->category[0] || STREQ(pt->category, category)) {
pa->flag &= ~PNL_CLOSED;
pa->flag |= flag;
}
}
}
}
}
static void ui_panel_copy_offset(Panel *pa, Panel *papar)
{
/* with respect to sizes... papar is parent */
pa->ofsx = papar->ofsx;
pa->ofsy = papar->ofsy + papar->sizey - pa->sizey;
}
/**
* XXX Disabled paneltab handling for now. Old 2.4x feature, *DO NOT* confuse it with new tool tabs in 2.70. ;)
* See also T41704.
*/
/* #define UI_USE_PANELTAB */
Panel *UI_panel_find_by_type(ARegion *ar, PanelType *pt)
{
Panel *pa;
const char *idname = pt->idname;
#ifdef UI_USE_PANELTAB
const char *tabname = pt->idname;
for (pa = ar->panels.first; pa; pa = pa->next) {
if (STREQLEN(pa->panelname, idname, sizeof(pa->panelname))) {
if (STREQLEN(pa->tabname, tabname, sizeof(pa->tabname))) {
return pa;
}
}
}
#else
for (pa = ar->panels.first; pa; pa = pa->next) {
if (STREQLEN(pa->panelname, idname, sizeof(pa->panelname))) {
return pa;
}
}
#endif
return NULL;
}
/**
* \note \a pa should be return value from #UI_panel_find_by_type and can be NULL.
*/
Panel *UI_panel_begin(ScrArea *sa, ARegion *ar, uiBlock *block, PanelType *pt, Panel *pa, bool *r_open)
{
Panel *palast, *panext;
const char *drawname = CTX_IFACE_(pt->translation_context, pt->label);
const char *idname = pt->idname;
#ifdef UI_USE_PANELTAB
const char *tabname = pt->idname;
const char *hookname = NULL;
#endif
const bool newpanel = (pa == NULL);
int align = panel_aligned(sa, ar);
if (!newpanel) {
pa->type = pt;
}
else {
/* new panel */
pa = MEM_callocN(sizeof(Panel), "new panel");
pa->type = pt;
BLI_strncpy(pa->panelname, idname, sizeof(pa->panelname));
if (pt->flag & PNL_DEFAULT_CLOSED) {
if (align == BUT_VERTICAL)
pa->flag |= PNL_CLOSEDY;
else
pa->flag |= PNL_CLOSEDX;
}
pa->ofsx = 0;
pa->ofsy = 0;
pa->sizex = 0;
pa->sizey = 0;
pa->runtime_flag |= PNL_NEW_ADDED;
BLI_addtail(&ar->panels, pa);
#ifdef UI_USE_PANELTAB
BLI_strncpy(pa->tabname, tabname, sizeof(pa->tabname));
/* make new Panel tabbed? */
if (hookname) {
Panel *patab;
for (patab = ar->panels.first; patab; patab = patab->next) {
if ((patab->runtime_flag & PNL_ACTIVE) && patab->paneltab == NULL) {
if (STREQLEN(hookname, patab->panelname, sizeof(patab->panelname))) {
if (STREQLEN(tabname, patab->tabname, sizeof(patab->tabname))) {
pa->paneltab = patab;
ui_panel_copy_offset(pa, patab);
break;
}
}
}
}
}
#else
BLI_strncpy(pa->tabname, idname, sizeof(pa->tabname));
#endif
}
/* Do not allow closed panels without headers! Else user could get "disappeared" UI! */
if ((pt->flag & PNL_NO_HEADER) && (pa->flag & PNL_CLOSED)) {
pa->flag &= ~PNL_CLOSED;
/* Force update of panels' positions! */
pa->sizex = 0;
pa->sizey = 0;
}
BLI_strncpy(pa->drawname, drawname, sizeof(pa->drawname));
/* if a new panel is added, we insert it right after the panel
* that was last added. this way new panels are inserted in the
* right place between versions */
for (palast = ar->panels.first; palast; palast = palast->next)
if (palast->runtime_flag & PNL_LAST_ADDED)
break;
if (newpanel) {
pa->sortorder = (palast) ? palast->sortorder + 1 : 0;
for (panext = ar->panels.first; panext; panext = panext->next)
if (panext != pa && panext->sortorder >= pa->sortorder)
panext->sortorder++;
}
if (palast)
palast->runtime_flag &= ~PNL_LAST_ADDED;
/* assign to block */
block->panel = pa;
pa->runtime_flag |= PNL_ACTIVE | PNL_LAST_ADDED;
*r_open = false;
if (pa->paneltab) return pa;
if (pa->flag & PNL_CLOSED) return pa;
*r_open = true;
return pa;
}
void UI_panel_end(uiBlock *block, int width, int height)
{
Panel *pa = block->panel;
if (pa->runtime_flag & PNL_NEW_ADDED) {
pa->runtime_flag &= ~PNL_NEW_ADDED;
pa->sizex = width;
pa->sizey = height;
}
else {
/* check if we need to do an animation */
if (!ELEM(width, 0, pa->sizex) || !ELEM(height, 0, pa->sizey)) {
pa->runtime_flag |= PNL_ANIM_ALIGN;
if (height != 0)
pa->ofsy += pa->sizey - height;
}
/* update width/height if non-zero */
if (width != 0)
pa->sizex = width;
if (height != 0)
pa->sizey = height;
}
}
static void ui_offset_panel_block(uiBlock *block)
{
uiStyle *style = UI_style_get_dpi();
uiBut *but;
int ofsy;
/* compute bounds and offset */
ui_block_bounds_calc(block);
ofsy = block->panel->sizey - style->panelspace;
for (but = block->buttons.first; but; but = but->next) {
but->rect.ymin += ofsy;
but->rect.ymax += ofsy;
}
block->rect.xmax = block->panel->sizex;
block->rect.ymax = block->panel->sizey;
block->rect.xmin = block->rect.ymin = 0.0;
}
/**************************** drawing *******************************/
/* extern used by previewrender */
#if 0 /*UNUSED 2.5*/
static void uiPanelPush(uiBlock *block)
{
glPushMatrix();
if (block->panel)
glTranslatef((float)block->panel->ofsx, (float)block->panel->ofsy, 0.0);
}
static void uiPanelPop(uiBlock *UNUSED(block))
{
glPopMatrix();
}
#endif
/* triangle 'icon' for panel header */
void UI_draw_icon_tri(float x, float y, char dir)
{
float f3 = 0.15 * U.widget_unit;
float f5 = 0.25 * U.widget_unit;
float f7 = 0.35 * U.widget_unit;
if (dir == 'h') {
ui_draw_anti_tria(x - f3, y - f5, x - f3, y + f5, x + f7, y);
}
else if (dir == 't') {
ui_draw_anti_tria(x - f5, y - f7, x + f5, y - f7, x, y + f3);
}
else { /* 'v' = vertical, down */
ui_draw_anti_tria(x - f5, y + f3, x + f5, y + f3, x, y - f7);
}
}
/* triangle 'icon' inside rect */
static void ui_draw_tria_rect(const rctf *rect, char dir)
{
if (dir == 'h') {
float half = 0.5f * BLI_rctf_size_y(rect);
ui_draw_anti_tria(rect->xmin, rect->ymin, rect->xmin, rect->ymax, rect->xmax, rect->ymin + half);
}
else {
float half = 0.5f * BLI_rctf_size_x(rect);
ui_draw_anti_tria(rect->xmin, rect->ymax, rect->xmax, rect->ymax, rect->xmin + half, rect->ymin);
}
}
static void ui_draw_anti_x(float x1, float y1, float x2, float y2)
{
/* set antialias line */
glEnable(GL_LINE_SMOOTH);
glEnable(GL_BLEND);
glLineWidth(2.0);
fdrawline(x1, y1, x2, y2);
fdrawline(x1, y2, x2, y1);
glDisable(GL_LINE_SMOOTH);
glDisable(GL_BLEND);
}
/* x 'icon' for panel header */
static void ui_draw_x_icon(float x, float y)
{
ui_draw_anti_x(x, y, x + 9.375f, y + 9.375f);
}
#define PNL_ICON UI_UNIT_X /* could be UI_UNIT_Y too */
static void ui_draw_panel_scalewidget(const rcti *rect)
{
float xmin, xmax, dx;
float ymin, ymax, dy;
xmin = rect->xmax - PNL_HEADER + 2;
xmax = rect->xmax - 3;
ymin = rect->ymin + 3;
ymax = rect->ymin + PNL_HEADER - 2;
dx = 0.5f * (xmax - xmin);
dy = 0.5f * (ymax - ymin);
glEnable(GL_BLEND);
glColor4ub(255, 255, 255, 50);
fdrawline(xmin, ymin, xmax, ymax);
fdrawline(xmin + dx, ymin, xmax, ymax - dy);
glColor4ub(0, 0, 0, 50);
fdrawline(xmin, ymin + 1, xmax, ymax + 1);
fdrawline(xmin + dx, ymin + 1, xmax, ymax - dy + 1);
glDisable(GL_BLEND);
}
static void ui_draw_panel_dragwidget(const rctf *rect)
{
unsigned char col_back[3], col_high[3], col_dark[3];
const int col_tint = 84;
const int px = (int)U.pixelsize;
const int px_zoom = max_ii(iroundf(BLI_rctf_size_y(rect) / 22.0f), 1);
const int box_margin = max_ii(iroundf((float)(px_zoom * 2.0f)), px);
const int box_size = max_ii(iroundf((BLI_rctf_size_y(rect) / 8.0f) - px), px);
const int x_min = rect->xmin;
const int y_min = rect->ymin;
const int y_ofs = max_ii(iroundf(BLI_rctf_size_y(rect) / 3.0f), px);
const int x_ofs = y_ofs;
int i_x, i_y;
UI_GetThemeColor3ubv(UI_GetThemeValue(TH_PANEL_SHOW_HEADER) ? TH_PANEL_HEADER : TH_PANEL_BACK, col_back);
UI_GetColorPtrShade3ubv(col_back, col_high, col_tint);
UI_GetColorPtrShade3ubv(col_back, col_dark, -col_tint);
/* draw multiple boxes */
for (i_x = 0; i_x < 4; i_x++) {
for (i_y = 0; i_y < 2; i_y++) {
const int x_co = (x_min + x_ofs) + (i_x * (box_size + box_margin));
const int y_co = (y_min + y_ofs) + (i_y * (box_size + box_margin));
glColor3ubv(col_dark);
glRectf(x_co - box_size, y_co - px_zoom, x_co, (y_co + box_size) - px_zoom);
glColor3ubv(col_high);
glRectf(x_co - box_size, y_co, x_co, y_co + box_size);
}
}
}
static void ui_draw_aligned_panel_header(uiStyle *style, uiBlock *block, const rcti *rect, char dir)
{
Panel *panel = block->panel;
rcti hrect;
int pnl_icons;
const char *activename = panel->drawname[0] ? panel->drawname : panel->panelname;
/* + 0.001f to avoid flirting with float inaccuracy */
if (panel->control & UI_PNL_CLOSE)
pnl_icons = (panel->labelofs + 2 * PNL_ICON + 5) / block->aspect + 0.001f;
else
pnl_icons = (panel->labelofs + PNL_ICON + 5) / block->aspect + 0.001f;
/* active tab */
/* draw text label */
UI_ThemeColor(TH_TITLE);
hrect = *rect;
if (dir == 'h') {
hrect.xmin = rect->xmin + pnl_icons;
hrect.ymin += 2.0f / block->aspect;
UI_fontstyle_draw(&style->paneltitle, &hrect, activename);
}
else {
/* ignore 'pnl_icons', otherwise the text gets offset horizontally
* + 0.001f to avoid flirting with float inaccuracy
*/
hrect.xmin = rect->xmin + (PNL_ICON + 5) / block->aspect + 0.001f;
UI_fontstyle_draw_rotated(&style->paneltitle, &hrect, activename);
}
}
/* panel integrated in buttonswindow, tool/property lists etc */
void ui_draw_aligned_panel(uiStyle *style, uiBlock *block, const rcti *rect, const bool show_pin)
{
Panel *panel = block->panel;
rcti headrect;
rctf itemrect;
int ofsx;
const bool is_closed_x = (panel->flag & PNL_CLOSEDX) ? true : false;
const bool is_closed_y = (panel->flag & PNL_CLOSEDY) ? true : false;
if (panel->paneltab) return;
if (panel->type && (panel->type->flag & PNL_NO_HEADER)) return;
/* calculate header rect */
/* + 0.001f to prevent flicker due to float inaccuracy */
headrect = *rect;
headrect.ymin = headrect.ymax;
headrect.ymax = headrect.ymin + floor(PNL_HEADER / block->aspect + 0.001f);
{
float minx = rect->xmin;
float maxx = is_closed_x ? (minx + PNL_HEADER / block->aspect) : rect->xmax;
float y = headrect.ymax;
glEnable(GL_BLEND);
if (UI_GetThemeValue(TH_PANEL_SHOW_HEADER)) {
/* draw with background color */
UI_ThemeColor4(TH_PANEL_HEADER);
glRectf(minx, headrect.ymin + 1, maxx, y);
fdrawline(minx, y, maxx, y);
fdrawline(minx, y, maxx, y);
}
else if (!(panel->runtime_flag & PNL_FIRST)) {
/* draw embossed separator */
if (is_closed_x == false) {
minx += 5.0f / block->aspect;
maxx -= 5.0f / block->aspect;
}
glColor4f(0.0f, 0.0f, 0.0f, 0.5f);
fdrawline(minx, y, maxx, y);
glColor4f(1.0f, 1.0f, 1.0f, 0.25f);
fdrawline(minx, y - 1, maxx, y - 1);
}
glDisable(GL_BLEND);
}
/* draw optional pin icon */
#ifdef USE_PIN_HIDDEN
if (show_pin && (block->panel->flag & PNL_PIN))
#else
if (show_pin)
#endif
{
glEnable(GL_BLEND);
UI_icon_draw_aspect(headrect.xmax - ((PNL_ICON * 2.2f) / block->aspect), headrect.ymin + (5.0f / block->aspect),
(panel->flag & PNL_PIN) ? ICON_PINNED : ICON_UNPINNED, 0,
(block->aspect / UI_DPI_FAC), 1.0f);
glDisable(GL_BLEND);
}
/* horizontal title */
if (is_closed_x == false) {
ui_draw_aligned_panel_header(style, block, &headrect, 'h');
/* itemrect smaller */
itemrect.xmax = headrect.xmax - 5.0f / block->aspect;
itemrect.xmin = itemrect.xmax - BLI_rcti_size_y(&headrect);
itemrect.ymin = headrect.ymin;
itemrect.ymax = headrect.ymax;
BLI_rctf_scale(&itemrect, 0.7f);
ui_draw_panel_dragwidget(&itemrect);
}
/* if the panel is minimized vertically:
* (------)
*/
if (is_closed_y) {
/* skip */
}
else if (is_closed_x) {
/* draw vertical title */
ui_draw_aligned_panel_header(style, block, &headrect, 'v');
}
/* an open panel */
else {
/* in some occasions, draw a border */
if (panel->flag & PNL_SELECT) {
if (panel->control & UI_PNL_SOLID) UI_draw_roundbox_corner_set(UI_CNR_ALL);
else UI_draw_roundbox_corner_set(UI_CNR_NONE);
UI_ThemeColorShade(TH_BACK, -120);
UI_draw_roundbox_unfilled(0.5f + rect->xmin, 0.5f + rect->ymin, 0.5f + rect->xmax, 0.5f + headrect.ymax + 1, 8);
}
/* panel backdrop */
if (UI_GetThemeValue(TH_PANEL_SHOW_BACK)) {
/* draw with background color */
glEnable(GL_BLEND);
UI_ThemeColor4(TH_PANEL_BACK);
glRecti(rect->xmin, rect->ymin, rect->xmax, rect->ymax);
}
if (panel->control & UI_PNL_SCALE)
ui_draw_panel_scalewidget(rect);
}
/* draw optional close icon */
ofsx = 6;
if (panel->control & UI_PNL_CLOSE) {
UI_ThemeColor(TH_TITLE);
ui_draw_x_icon(rect->xmin + 2 + ofsx, rect->ymax + 2);
ofsx = 22;
}
/* draw collapse icon */
UI_ThemeColor(TH_TITLE);
/* itemrect smaller */
itemrect.xmin = headrect.xmin + 5.0f / block->aspect;
itemrect.xmax = itemrect.xmin + BLI_rcti_size_y(&headrect);
itemrect.ymin = headrect.ymin;
itemrect.ymax = headrect.ymax;
BLI_rctf_scale(&itemrect, 0.35f);
if (is_closed_y)
ui_draw_tria_rect(&itemrect, 'h');
else if (is_closed_x)
ui_draw_tria_rect(&itemrect, 'h');
else
ui_draw_tria_rect(&itemrect, 'v');
(void)ofsx;
}
/************************** panel alignment *************************/
static int get_panel_header(Panel *pa)
{
if (pa->type && (pa->type->flag & PNL_NO_HEADER))
return 0;
return PNL_HEADER;
}
static int get_panel_size_y(Panel *pa)
{
if (pa->type && (pa->type->flag & PNL_NO_HEADER))
return pa->sizey;
return PNL_HEADER + pa->sizey;
}
/* this function is needed because uiBlock and Panel itself don't
* change sizey or location when closed */
static int get_panel_real_ofsy(Panel *pa)
{
if (pa->flag & PNL_CLOSEDY) return pa->ofsy + pa->sizey;
else if (pa->paneltab && (pa->paneltab->flag & PNL_CLOSEDY)) return pa->ofsy + pa->sizey;
else if (pa->paneltab) return pa->paneltab->ofsy;
else return pa->ofsy;
}
static int get_panel_real_ofsx(Panel *pa)
{
if (pa->flag & PNL_CLOSEDX) return pa->ofsx + get_panel_header(pa);
else if (pa->paneltab && (pa->paneltab->flag & PNL_CLOSEDX)) return pa->ofsx + get_panel_header(pa);
else return pa->ofsx + pa->sizex;
}
typedef struct PanelSort {
Panel *pa, *orig;
} PanelSort;
/**
* \note about sorting;
* the sortorder has a lower value for new panels being added.
* however, that only works to insert a single panel, when more new panels get
* added the coordinates of existing panels and the previously stored to-be-inserted
* panels do not match for sorting
*/
static int find_leftmost_panel(const void *a1, const void *a2)
{
const PanelSort *ps1 = a1, *ps2 = a2;
if (ps1->pa->ofsx > ps2->pa->ofsx) return 1;
else if (ps1->pa->ofsx < ps2->pa->ofsx) return -1;
else if (ps1->pa->sortorder > ps2->pa->sortorder) return 1;
else if (ps1->pa->sortorder < ps2->pa->sortorder) return -1;
return 0;
}
static int find_highest_panel(const void *a1, const void *a2)
{
const PanelSort *ps1 = a1, *ps2 = a2;
/* stick uppermost header-less panels to the top of the region -
* prevent them from being sorted (multiple header-less panels have to be sorted though) */
if (ps1->pa->type->flag & PNL_NO_HEADER && ps2->pa->type->flag & PNL_NO_HEADER) {
/* skip and check for ofs and sortorder below */
}
else if (ps1->pa->type->flag & PNL_NO_HEADER) return -1;
else if (ps2->pa->type->flag & PNL_NO_HEADER) return 1;
if (ps1->pa->ofsy + ps1->pa->sizey < ps2->pa->ofsy + ps2->pa->sizey) return 1;
else if (ps1->pa->ofsy + ps1->pa->sizey > ps2->pa->ofsy + ps2->pa->sizey) return -1;
else if (ps1->pa->sortorder > ps2->pa->sortorder) return 1;
else if (ps1->pa->sortorder < ps2->pa->sortorder) return -1;
return 0;
}
static int compare_panel(const void *a1, const void *a2)
{
const PanelSort *ps1 = a1, *ps2 = a2;
if (ps1->pa->sortorder > ps2->pa->sortorder) return 1;
else if (ps1->pa->sortorder < ps2->pa->sortorder) return -1;
return 0;
}
/* this doesnt draw */
/* returns 1 when it did something */
static bool uiAlignPanelStep(ScrArea *sa, ARegion *ar, const float fac, const bool drag)
{
Panel *pa;
PanelSort *ps, *panelsort, *psnext;
int a, tot = 0;
bool done;
int align = panel_aligned(sa, ar);
bool has_category_tabs = UI_panel_category_is_visible(ar);
/* count active, not tabbed panels */
for (pa = ar->panels.first; pa; pa = pa->next)
if ((pa->runtime_flag & PNL_ACTIVE) && pa->paneltab == NULL)
tot++;
if (tot == 0) return 0;
/* extra; change close direction? */
for (pa = ar->panels.first; pa; pa = pa->next) {
if ((pa->runtime_flag & PNL_ACTIVE) && pa->paneltab == NULL) {
if ((pa->flag & PNL_CLOSEDX) && (align == BUT_VERTICAL))
pa->flag ^= PNL_CLOSED;
else if ((pa->flag & PNL_CLOSEDY) && (align == BUT_HORIZONTAL))
pa->flag ^= PNL_CLOSED;
}
}
/* sort panels */
panelsort = MEM_callocN(tot * sizeof(PanelSort), "panelsort");
ps = panelsort;
for (pa = ar->panels.first; pa; pa = pa->next) {
if ((pa->runtime_flag & PNL_ACTIVE) && pa->paneltab == NULL) {
ps->pa = MEM_dupallocN(pa);
ps->orig = pa;
ps++;
}
}
if (drag) {
/* while we are dragging, we sort on location and update sortorder */
if (align == BUT_VERTICAL)
qsort(panelsort, tot, sizeof(PanelSort), find_highest_panel);
else
qsort(panelsort, tot, sizeof(PanelSort), find_leftmost_panel);
for (ps = panelsort, a = 0; a < tot; a++, ps++)
ps->orig->sortorder = a;
}
else
/* otherwise use sortorder */
qsort(panelsort, tot, sizeof(PanelSort), compare_panel);
/* no smart other default start loc! this keeps switching f5/f6/etc compatible */
ps = panelsort;
ps->pa->ofsx = 0;
ps->pa->ofsy = -get_panel_size_y(ps->pa);
if (has_category_tabs) {
if (align == BUT_VERTICAL) {
ps->pa->ofsx += UI_PANEL_CATEGORY_MARGIN_WIDTH;
}
}
for (a = 0; a < tot - 1; a++, ps++) {
psnext = ps + 1;
if (align == BUT_VERTICAL) {
psnext->pa->ofsx = ps->pa->ofsx;
psnext->pa->ofsy = get_panel_real_ofsy(ps->pa) - get_panel_size_y(psnext->pa);
}
else {
psnext->pa->ofsx = get_panel_real_ofsx(ps->pa);
psnext->pa->ofsy = ps->pa->ofsy + get_panel_size_y(ps->pa) - get_panel_size_y(psnext->pa);
}
}
/* we interpolate */
done = false;
ps = panelsort;
for (a = 0; a < tot; a++, ps++) {
if ((ps->pa->flag & PNL_SELECT) == 0) {
if ((ps->orig->ofsx != ps->pa->ofsx) || (ps->orig->ofsy != ps->pa->ofsy)) {
ps->orig->ofsx = iroundf(fac * (float)ps->pa->ofsx + (1.0f - fac) * (float)ps->orig->ofsx);
ps->orig->ofsy = iroundf(fac * (float)ps->pa->ofsy + (1.0f - fac) * (float)ps->orig->ofsy);
done = true;
}
}
}
/* copy locations to tabs */
for (pa = ar->panels.first; pa; pa = pa->next)
if (pa->paneltab && (pa->runtime_flag & PNL_ACTIVE))
ui_panel_copy_offset(pa, pa->paneltab);
/* free panelsort array */
for (ps = panelsort, a = 0; a < tot; a++, ps++) {
MEM_freeN(ps->pa);
}
MEM_freeN(panelsort);
return done;
}
static void ui_panels_size(ScrArea *sa, ARegion *ar, int *x, int *y)
{
Panel *pa;
int align = panel_aligned(sa, ar);
int sizex = 0;
int sizey = 0;
/* compute size taken up by panels, for setting in view2d */
for (pa = ar->panels.first; pa; pa = pa->next) {
if (pa->runtime_flag & PNL_ACTIVE) {
int pa_sizex, pa_sizey;
if (align == BUT_VERTICAL) {
pa_sizex = pa->ofsx + pa->sizex;
pa_sizey = get_panel_real_ofsy(pa);
}
else {
pa_sizex = get_panel_real_ofsx(pa) + pa->sizex;
pa_sizey = pa->ofsy + get_panel_size_y(pa);
}
sizex = max_ii(sizex, pa_sizex);
sizey = min_ii(sizey, pa_sizey);
}
}
if (sizex == 0)
sizex = UI_PANEL_WIDTH;
if (sizey == 0)
sizey = -UI_PANEL_WIDTH;
*x = sizex;
*y = sizey;
}
static void ui_do_animate(const bContext *C, Panel *panel)
{
uiHandlePanelData *data = panel->activedata;
ScrArea *sa = CTX_wm_area(C);
ARegion *ar = CTX_wm_region(C);
float fac;
fac = (PIL_check_seconds_timer() - data->starttime) / ANIMATION_TIME;
fac = min_ff(sqrtf(fac), 1.0f);
/* for max 1 second, interpolate positions */
if (uiAlignPanelStep(sa, ar, fac, false)) {
ED_region_tag_redraw(ar);
}
else {
fac = 1.0f;
}
if (fac >= 1.0f) {
panel_activate_state(C, panel, PANEL_STATE_EXIT);
return;
}
}
void UI_panels_begin(const bContext *UNUSED(C), ARegion *ar)
{
Panel *pa;
/* set all panels as inactive, so that at the end we know
* which ones were used */
for (pa = ar->panels.first; pa; pa = pa->next) {
if (pa->runtime_flag & PNL_ACTIVE)
pa->runtime_flag = PNL_WAS_ACTIVE;
else
pa->runtime_flag = 0;
}
}
/* only draws blocks with panels */
void UI_panels_end(const bContext *C, ARegion *ar, int *x, int *y)
{
ScrArea *sa = CTX_wm_area(C);
uiBlock *block;
Panel *panot, *panew, *patest, *pa, *firstpa;
/* offset contents */
for (block = ar->uiblocks.first; block; block = block->next)
if (block->active && block->panel)
ui_offset_panel_block(block);
/* consistency; are panels not made, whilst they have tabs */
for (panot = ar->panels.first; panot; panot = panot->next) {
if ((panot->runtime_flag & PNL_ACTIVE) == 0) { /* not made */
for (panew = ar->panels.first; panew; panew = panew->next) {
if ((panew->runtime_flag & PNL_ACTIVE)) {
if (panew->paneltab == panot) { /* panew is tab in notmade pa */
break;
}
}
}
/* now panew can become the new parent, check all other tabs */
if (panew) {
for (patest = ar->panels.first; patest; patest = patest->next) {
if (patest->paneltab == panot) {
patest->paneltab = panew;
}
}
panot->paneltab = panew;
panew->paneltab = NULL;
ED_region_tag_redraw(ar); /* the buttons panew were not made */
}
}
}
/* re-align, possibly with animation */
if (panels_re_align(sa, ar, &pa)) {
/* XXX code never gets here... PNL_ANIM_ALIGN flag is never set */
if (pa)
panel_activate_state(C, pa, PANEL_STATE_ANIMATION);
else
uiAlignPanelStep(sa, ar, 1.0, false);
}
/* tag first panel */
firstpa = NULL;
for (block = ar->uiblocks.first; block; block = block->next)
if (block->active && block->panel)
if (!firstpa || block->panel->sortorder < firstpa->sortorder)
firstpa = block->panel;
if (firstpa)
firstpa->runtime_flag |= PNL_FIRST;
/* compute size taken up by panel */
ui_panels_size(sa, ar, x, y);
}
void UI_panels_draw(const bContext *C, ARegion *ar)
{
uiBlock *block;
UI_ThemeClearColor(TH_BACK);
/* draw panels, selected on top */
for (block = ar->uiblocks.first; block; block = block->next) {
if (block->active && block->panel && !(block->panel->flag & PNL_SELECT)) {
UI_block_draw(C, block);
}
}
for (block = ar->uiblocks.first; block; block = block->next) {
if (block->active && block->panel && (block->panel->flag & PNL_SELECT)) {
UI_block_draw(C, block);
}
}
}
void UI_panels_scale(ARegion *ar, float new_width)
{
uiBlock *block;
uiBut *but;
for (block = ar->uiblocks.first; block; block = block->next) {
if (block->panel) {
float fac = new_width / (float)block->panel->sizex;
block->panel->sizex = new_width;
for (but = block->buttons.first; but; but = but->next) {
but->rect.xmin *= fac;
but->rect.xmax *= fac;
}
}
}
}
/* ------------ panel merging ---------------- */
static void check_panel_overlap(ARegion *ar, Panel *panel)
{
Panel *pa;
/* also called with (panel == NULL) for clear */
for (pa = ar->panels.first; pa; pa = pa->next) {
pa->flag &= ~PNL_OVERLAP;
if (panel && (pa != panel)) {
if (pa->paneltab == NULL && (pa->runtime_flag & PNL_ACTIVE)) {
float safex = 0.2, safey = 0.2;
if (pa->flag & PNL_CLOSEDX) safex = 0.05;
else if (pa->flag & PNL_CLOSEDY) safey = 0.05;
else if (panel->flag & PNL_CLOSEDX) safex = 0.05;
else if (panel->flag & PNL_CLOSEDY) safey = 0.05;
if (pa->ofsx > panel->ofsx - safex * panel->sizex)
if (pa->ofsx + pa->sizex < panel->ofsx + (1.0f + safex) * panel->sizex)
if (pa->ofsy > panel->ofsy - safey * panel->sizey)
if (pa->ofsy + pa->sizey < panel->ofsy + (1.0f + safey) * panel->sizey)
pa->flag |= PNL_OVERLAP;
}
}
}
}
/************************ panel dragging ****************************/
static void ui_do_drag(const bContext *C, const wmEvent *event, Panel *panel)
{
uiHandlePanelData *data = panel->activedata;
ScrArea *sa = CTX_wm_area(C);
ARegion *ar = CTX_wm_region(C);
short align = panel_aligned(sa, ar), dx = 0, dy = 0;
/* first clip for window, no dragging outside */
if (!BLI_rcti_isect_pt_v(&ar->winrct, &event->x))
return;
dx = (event->x - data->startx) & ~(PNL_GRID - 1);
dy = (event->y - data->starty) & ~(PNL_GRID - 1);
dx *= (float)BLI_rctf_size_x(&ar->v2d.cur) / (float)BLI_rcti_size_x(&ar->winrct);
dy *= (float)BLI_rctf_size_y(&ar->v2d.cur) / (float)BLI_rcti_size_y(&ar->winrct);
if (data->state == PANEL_STATE_DRAG_SCALE) {
panel->sizex = MAX2(data->startsizex + dx, UI_PANEL_MINX);
if (data->startsizey - dy < UI_PANEL_MINY)
dy = -UI_PANEL_MINY + data->startsizey;
panel->sizey = data->startsizey - dy;
panel->ofsy = data->startofsy + dy;
}
else {
/* reset the panel snapping, to allow dragging away from snapped edges */
panel->snap = PNL_SNAP_NONE;
panel->ofsx = data->startofsx + dx;
panel->ofsy = data->startofsy + dy;
check_panel_overlap(ar, panel);
if (align) uiAlignPanelStep(sa, ar, 0.2, true);
}
ED_region_tag_redraw(ar);
}
/******************* region level panel interaction *****************/
static uiPanelMouseState ui_panel_mouse_state_get(const uiBlock *block, const Panel *pa, const int mx, const int my)
{
/* open panel */
if (pa->flag & PNL_CLOSEDX) {
if ((block->rect.xmin <= mx) && (block->rect.xmin + PNL_HEADER >= mx)) {
return PANEL_MOUSE_INSIDE_HEADER;
}
}
/* outside left/right side */
else if ((block->rect.xmin > mx) || (block->rect.xmax < mx)) {
/* pass */
}
else if ((block->rect.ymax <= my) && (block->rect.ymax + PNL_HEADER >= my)) {
return PANEL_MOUSE_INSIDE_HEADER;
}
/* open panel */
else if (!(pa->flag & PNL_CLOSEDY)) {
if (pa->control & UI_PNL_SCALE) {
if (block->rect.xmax - PNL_HEADER <= mx) {
if (block->rect.ymin + PNL_HEADER >= my) {
return PANEL_MOUSE_INSIDE_SCALE;
}
}
}
if ((block->rect.xmin <= mx) && (block->rect.xmax >= mx)) {
if ((block->rect.ymin <= my) && (block->rect.ymax + PNL_HEADER >= my)) {
return PANEL_MOUSE_INSIDE_CONTENT;
}
}
}
return PANEL_MOUSE_OUTSIDE;
}
typedef struct uiPanelDragCollapseHandle {
bool was_first_open;
int xy_init[2];
} uiPanelDragCollapseHandle;
static void ui_panel_drag_collapse_handler_remove(bContext *UNUSED(C), void *userdata)
{
uiPanelDragCollapseHandle *dragcol_data = userdata;
MEM_freeN(dragcol_data);
}
static void ui_panel_drag_collapse(bContext *C, uiPanelDragCollapseHandle *dragcol_data, const int xy_dst[2])
{
ScrArea *sa = CTX_wm_area(C);
ARegion *ar = CTX_wm_region(C);
uiBlock *block;
Panel *pa;
for (block = ar->uiblocks.first; block; block = block->next) {
float xy_a_block[2] = {UNPACK2(dragcol_data->xy_init)};
float xy_b_block[2] = {UNPACK2(xy_dst)};
rctf rect = block->rect;
int oldflag;
const bool is_horizontal = (panel_aligned(sa, ar) == BUT_HORIZONTAL);
if ((pa = block->panel) == 0 || (pa->type && (pa->type->flag & PNL_NO_HEADER))) {
continue;
}
oldflag = pa->flag;
/* lock one axis */
if (is_horizontal) {
xy_b_block[1] = dragcol_data->xy_init[1];
}
else {
xy_b_block[0] = dragcol_data->xy_init[0];
}
/* use cursor coords in block space */
ui_window_to_block_fl(ar, block, &xy_a_block[0], &xy_a_block[1]);
ui_window_to_block_fl(ar, block, &xy_b_block[0], &xy_b_block[1]);
/* set up rect to match header size */
rect.ymin = rect.ymax;
rect.ymax = rect.ymin + PNL_HEADER;
if (pa->flag & PNL_CLOSEDX) {
rect.xmax = rect.xmin + PNL_HEADER;
}
/* touch all panels between last mouse coord and the current one */
if (BLI_rctf_isect_segment(&rect, xy_a_block, xy_b_block)) {
/* force panel to close */
if (dragcol_data->was_first_open == true) {
pa->flag |= (is_horizontal ? PNL_CLOSEDX : PNL_CLOSEDY);
}
/* force panel to open */
else {
pa->flag &= ~PNL_CLOSED;
}
/* if pa->flag has changed this means a panel was opened/closed here */
if (pa->flag != oldflag) {
panel_activate_state(C, pa, PANEL_STATE_ANIMATION);
}
}
}
}
/**
* Panel drag-collapse (modal handler)
* Clicking and dragging over panels toggles their collapse state based on the panel that was first
* dragged over. If it was open all affected panels incl the initial one are closed and vise versa.
*/
static int ui_panel_drag_collapse_handler(bContext *C, const wmEvent *event, void *userdata)
{
wmWindow *win = CTX_wm_window(C);
uiPanelDragCollapseHandle *dragcol_data = userdata;
short retval = WM_UI_HANDLER_CONTINUE;
switch (event->type) {
case MOUSEMOVE:
ui_panel_drag_collapse(C, dragcol_data, &event->x);
retval = WM_UI_HANDLER_BREAK;
break;
case LEFTMOUSE:
if (event->val == KM_RELEASE) {
/* done! */
WM_event_remove_ui_handler(
&win->modalhandlers,
ui_panel_drag_collapse_handler,
ui_panel_drag_collapse_handler_remove,
dragcol_data, true);
ui_panel_drag_collapse_handler_remove(C, dragcol_data);
}
/* don't let any left-mouse event fall through! */
retval = WM_UI_HANDLER_BREAK;
break;
}
return retval;
}
static void ui_panel_drag_collapse_handler_add(const bContext *C, const bool was_open)
{
wmWindow *win = CTX_wm_window(C);
wmEvent *event = win->eventstate;
uiPanelDragCollapseHandle *dragcol_data = MEM_mallocN(sizeof(*dragcol_data), __func__);
dragcol_data->was_first_open = was_open;
copy_v2_v2_int(dragcol_data->xy_init, &event->x);
WM_event_add_ui_handler(
C, &win->modalhandlers,
ui_panel_drag_collapse_handler,
ui_panel_drag_collapse_handler_remove,
dragcol_data, 0);
}
/* this function is supposed to call general window drawing too */
/* also it supposes a block has panel, and isn't a menu */
static void ui_handle_panel_header(const bContext *C, uiBlock *block, int mx, int my, int event, short ctrl, short shift)
{
ScrArea *sa = CTX_wm_area(C);
ARegion *ar = CTX_wm_region(C);
Panel *pa;
#ifdef USE_PIN_HIDDEN
const bool show_pin = UI_panel_category_is_visible(ar) && (block->panel->flag & PNL_PIN);
#else
const bool show_pin = UI_panel_category_is_visible(ar);
#endif
int align = panel_aligned(sa, ar), button = 0;
rctf rect_drag, rect_pin;
float rect_leftmost;
/* drag and pin rect's */
rect_drag = block->rect;
rect_drag.xmin = block->rect.xmax - (PNL_ICON * 1.5f);
rect_pin = rect_drag;
if (show_pin) {
BLI_rctf_translate(&rect_pin, -PNL_ICON, 0.0f);
}
rect_leftmost = rect_pin.xmin;
/* mouse coordinates in panel space! */
/* XXX weak code, currently it assumes layout style for location of widgets */
/* check open/collapsed button */
if (event == RETKEY)
button = 1;
else if (event == AKEY)
button = 1;
else if (ELEM(event, 0, RETKEY, LEFTMOUSE) && shift) {
block->panel->flag ^= PNL_PIN;
button = 2;
}
else if (block->panel->flag & PNL_CLOSEDX) {
if (my >= block->rect.ymax) button = 1;
}
else if (block->panel->control & UI_PNL_CLOSE) {
/* whole of header can be used to collapse panel (except top-right corner) */
if (mx <= block->rect.xmax - 8 - PNL_ICON) button = 2;
//else if (mx <= block->rect.xmin + 10 + 2 * PNL_ICON + 2) button = 1;
}
else if (mx < rect_leftmost) {
button = 1;
}
if (button) {
if (button == 2) { /* close */
ED_region_tag_redraw(ar);
}
else { /* collapse */
if (ctrl) {
panels_collapse_all(sa, ar, block->panel);
/* reset the view - we don't want to display a view without content */
UI_view2d_offset(&ar->v2d, 0.0f, 1.0f);
}
if (block->panel->flag & PNL_CLOSED) {
block->panel->flag &= ~PNL_CLOSED;
/* snap back up so full panel aligns with screen edge */
if (block->panel->snap & PNL_SNAP_BOTTOM)
block->panel->ofsy = 0;
if (event == LEFTMOUSE) {
ui_panel_drag_collapse_handler_add(C, false);
}
}
else if (align == BUT_HORIZONTAL) {
block->panel->flag |= PNL_CLOSEDX;
if (event == LEFTMOUSE) {
ui_panel_drag_collapse_handler_add(C, true);
}
}
else {
/* snap down to bottom screen edge */
block->panel->flag |= PNL_CLOSEDY;
if (block->panel->snap & PNL_SNAP_BOTTOM)
block->panel->ofsy = -block->panel->sizey;
if (event == LEFTMOUSE) {
ui_panel_drag_collapse_handler_add(C, true);
}
}
for (pa = ar->panels.first; pa; pa = pa->next) {
if (pa->paneltab == block->panel) {
if (block->panel->flag & PNL_CLOSED) pa->flag |= PNL_CLOSED;
else pa->flag &= ~PNL_CLOSED;
}
}
}
if (align)
panel_activate_state(C, block->panel, PANEL_STATE_ANIMATION);
else
ED_region_tag_redraw(ar);
}
else if (BLI_rctf_isect_x(&rect_drag, mx)) {
panel_activate_state(C, block->panel, PANEL_STATE_DRAG);
}
else if (show_pin && BLI_rctf_isect_x(&rect_pin, mx)) {
block->panel->flag ^= PNL_PIN;
ED_region_tag_redraw(ar);
}
}
bool UI_panel_category_is_visible(ARegion *ar)
{
/* more than one */
return ar->panels_category.first && ar->panels_category.first != ar->panels_category.last;
}
PanelCategoryDyn *UI_panel_category_find(ARegion *ar, const char *idname)
{
return BLI_findstring(&ar->panels_category, idname, offsetof(PanelCategoryDyn, idname));
}
PanelCategoryStack *UI_panel_category_active_find(ARegion *ar, const char *idname)
{
return BLI_findstring(&ar->panels_category_active, idname, offsetof(PanelCategoryStack, idname));
}
const char *UI_panel_category_active_get(ARegion *ar, bool set_fallback)
{
PanelCategoryStack *pc_act;
for (pc_act = ar->panels_category_active.first; pc_act; pc_act = pc_act->next) {
if (UI_panel_category_find(ar, pc_act->idname)) {
return pc_act->idname;
}
}
if (set_fallback) {
PanelCategoryDyn *pc_dyn = ar->panels_category.first;
if (pc_dyn) {
UI_panel_category_active_set(ar, pc_dyn->idname);
return pc_dyn->idname;
}
}
return NULL;
}
void UI_panel_category_active_set(ARegion *ar, const char *idname)
{
ListBase *lb = &ar->panels_category_active;
PanelCategoryStack *pc_act = UI_panel_category_active_find(ar, idname);
if (pc_act) {
BLI_remlink(lb, pc_act);
}
else {
pc_act = MEM_callocN(sizeof(PanelCategoryStack), __func__);
BLI_strncpy(pc_act->idname, idname, sizeof(pc_act->idname));
}
BLI_addhead(lb, pc_act);
/* validate all active panels, we could do this on load,
* they are harmless - but we should remove somewhere.
* (addons could define own and gather cruft over time) */
{
PanelCategoryStack *pc_act_next;
/* intentionally skip first */
pc_act_next = pc_act->next;
while ((pc_act = pc_act_next)) {
pc_act_next = pc_act->next;
if (!BLI_findstring(&ar->type->paneltypes, pc_act->idname, offsetof(PanelType, category))) {
BLI_remlink(lb, pc_act);
MEM_freeN(pc_act);
}
}
}
}
PanelCategoryDyn *UI_panel_category_find_mouse_over_ex(ARegion *ar, const int x, const int y)
{
PanelCategoryDyn *ptd;
for (ptd = ar->panels_category.first; ptd; ptd = ptd->next) {
if (BLI_rcti_isect_pt(&ptd->rect, x, y)) {
return ptd;
}
}
return NULL;
}
PanelCategoryDyn *UI_panel_category_find_mouse_over(ARegion *ar, const wmEvent *event)
{
return UI_panel_category_find_mouse_over_ex(ar, event->mval[0], event->mval[1]);
}
void UI_panel_category_add(ARegion *ar, const char *name)
{
PanelCategoryDyn *pc_dyn = MEM_callocN(sizeof(*pc_dyn), __func__);
BLI_addtail(&ar->panels_category, pc_dyn);
BLI_strncpy(pc_dyn->idname, name, sizeof(pc_dyn->idname));
/* 'pc_dyn->rect' must be set on draw */
}
void UI_panel_category_clear_all(ARegion *ar)
{
BLI_freelistN(&ar->panels_category);
}
/* based on UI_draw_roundbox_gl_mode, check on making a version which allows us to skip some sides */
static void ui_panel_category_draw_tab(
int mode, float minx, float miny, float maxx, float maxy, float rad,
int roundboxtype,
const bool use_highlight, const bool use_shadow,
const unsigned char highlight_fade[3])
{
float vec[4][2] = {
{0.195, 0.02},
{0.55, 0.169},
{0.831, 0.45},
{0.98, 0.805}};
int a;
/* mult */
for (a = 0; a < 4; a++) {
mul_v2_fl(vec[a], rad);
}
glBegin(mode);
/* start with corner right-top */
if (use_highlight) {
if (roundboxtype & UI_CNR_TOP_RIGHT) {
glVertex2f(maxx, maxy - rad);
for (a = 0; a < 4; a++) {
glVertex2f(maxx - vec[a][1], maxy - rad + vec[a][0]);
}
glVertex2f(maxx - rad, maxy);
}
else {
glVertex2f(maxx, maxy);
}
/* corner left-top */
if (roundboxtype & UI_CNR_TOP_LEFT) {
glVertex2f(minx + rad, maxy);
for (a = 0; a < 4; a++) {
glVertex2f(minx + rad - vec[a][0], maxy - vec[a][1]);
}
glVertex2f(minx, maxy - rad);
}
else {
glVertex2f(minx, maxy);
}
}
if (use_highlight && !use_shadow) {
if (highlight_fade) {
glColor3ubv(highlight_fade);
}
glVertex2f(minx, miny + rad);
glEnd();
return;
}
/* corner left-bottom */
if (roundboxtype & UI_CNR_BOTTOM_LEFT) {
glVertex2f(minx, miny + rad);
for (a = 0; a < 4; a++) {
glVertex2f(minx + vec[a][1], miny + rad - vec[a][0]);
}
glVertex2f(minx + rad, miny);
}
else {
glVertex2f(minx, miny);
}
/* corner right-bottom */
if (roundboxtype & UI_CNR_BOTTOM_RIGHT) {
glVertex2f(maxx - rad, miny);
for (a = 0; a < 4; a++) {
glVertex2f(maxx - rad + vec[a][0], miny + vec[a][1]);
}
glVertex2f(maxx, miny + rad);
}
else {
glVertex2f(maxx, miny);
}
glEnd();
}
/**
* Draw vertical tabs on the left side of the region,
* one tab per category.
*/
void UI_panel_category_draw_all(ARegion *ar, const char *category_id_active)
{
/* no tab outlines for */
// #define USE_FLAT_INACTIVE
View2D *v2d = &ar->v2d;
uiStyle *style = UI_style_get();
const uiFontStyle *fstyle = &style->widget;
const int fontid = fstyle->uifont_id;
short fstyle_points = fstyle->points;
PanelCategoryDyn *pc_dyn;
const float aspect = ((uiBlock *)ar->uiblocks.first)->aspect;
const float zoom = 1.0f / aspect;
const int px = max_ii(1, iroundf(U.pixelsize));
const int category_tabs_width = iroundf(UI_PANEL_CATEGORY_MARGIN_WIDTH * zoom);
const float dpi_fac = UI_DPI_FAC;
const int tab_v_pad_text = iroundf((2 + ((px * 3) * dpi_fac)) * zoom); /* pading of tabs around text */
const int tab_v_pad = iroundf((4 + (2 * px * dpi_fac)) * zoom); /* padding between tabs */
const float tab_curve_radius = ((px * 3) * dpi_fac) * zoom;
const int roundboxtype = UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT;
bool is_alpha;
bool do_scaletabs = false;
#ifdef USE_FLAT_INACTIVE
bool is_active_prev = false;
#endif
float scaletabs = 1.0f;
/* same for all tabs */
const int rct_xmin = v2d->mask.xmin + 3; /* intentionally dont scale by 'px' */
const int rct_xmax = v2d->mask.xmin + category_tabs_width;
const int text_v_ofs = (rct_xmax - rct_xmin) * 0.3f;
int y_ofs = tab_v_pad;
/* Primary theme colors */
unsigned char theme_col_back[4];
unsigned char theme_col_text[3];
unsigned char theme_col_text_hi[3];
/* Tab colors */
unsigned char theme_col_tab_bg[4];
unsigned char theme_col_tab_active[3];
unsigned char theme_col_tab_inactive[3];
/* Secondary theme colors */
unsigned char theme_col_tab_outline[3];
unsigned char theme_col_tab_divider[3]; /* line that divides tabs from the main region */
unsigned char theme_col_tab_highlight[3];
unsigned char theme_col_tab_highlight_inactive[3];
UI_GetThemeColor4ubv(TH_BACK, theme_col_back);
UI_GetThemeColor3ubv(TH_TEXT, theme_col_text);
UI_GetThemeColor3ubv(TH_TEXT_HI, theme_col_text_hi);
UI_GetThemeColor4ubv(TH_TAB_BACK, theme_col_tab_bg);
UI_GetThemeColor3ubv(TH_TAB_ACTIVE, theme_col_tab_active);
UI_GetThemeColor3ubv(TH_TAB_INACTIVE, theme_col_tab_inactive);
UI_GetThemeColor3ubv(TH_TAB_OUTLINE, theme_col_tab_outline);
interp_v3_v3v3_uchar(theme_col_tab_divider, theme_col_back, theme_col_tab_outline, 0.3f);
interp_v3_v3v3_uchar(theme_col_tab_highlight, theme_col_back, theme_col_text_hi, 0.2f);
interp_v3_v3v3_uchar(theme_col_tab_highlight_inactive, theme_col_tab_inactive, theme_col_text_hi, 0.12f);
is_alpha = (ar->overlap && (theme_col_back[3] != 255));
if (fstyle->kerning == 1) {
BLF_enable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
BLF_enable(fontid, BLF_ROTATION);
BLF_rotation(fontid, M_PI_2);
//UI_fontstyle_set(&style->widget);
ui_fontscale(&fstyle_points, aspect / (U.pixelsize * 1.1f));
BLF_size(fontid, fstyle_points, U.dpi);
BLF_enable(fontid, BLF_SHADOW);
BLF_shadow(fontid, 3, (const float[4]){1.0f, 1.0f, 1.0f, 0.25f});
BLF_shadow_offset(fontid, -1, -1);
BLI_assert(UI_panel_category_is_visible(ar));
/* calculate tab rect's and check if we need to scale down */
for (pc_dyn = ar->panels_category.first; pc_dyn; pc_dyn = pc_dyn->next) {
rcti *rct = &pc_dyn->rect;
const char *category_id = pc_dyn->idname;
const char *category_id_draw = IFACE_(category_id);
const int category_width = BLF_width(fontid, category_id_draw, BLF_DRAW_STR_DUMMY_MAX);
rct->xmin = rct_xmin;
rct->xmax = rct_xmax;
rct->ymin = v2d->mask.ymax - (y_ofs + category_width + (tab_v_pad_text * 2));
rct->ymax = v2d->mask.ymax - (y_ofs);
y_ofs += category_width + tab_v_pad + (tab_v_pad_text * 2);
}
if (y_ofs > BLI_rcti_size_y(&v2d->mask)) {
scaletabs = (float)BLI_rcti_size_y(&v2d->mask) / (float)y_ofs;
for (pc_dyn = ar->panels_category.first; pc_dyn; pc_dyn = pc_dyn->next) {
rcti *rct = &pc_dyn->rect;
rct->ymin = ((rct->ymin - v2d->mask.ymax) * scaletabs) + v2d->mask.ymax;
rct->ymax = ((rct->ymax - v2d->mask.ymax) * scaletabs) + v2d->mask.ymax;
}
do_scaletabs = true;
}
/* begin drawing */
glEnable(GL_LINE_SMOOTH);
/* draw the background */
if (is_alpha) {
glEnable(GL_BLEND);
glColor4ubv(theme_col_tab_bg);
}
else {
glColor3ubv(theme_col_tab_bg);
}
glRecti(v2d->mask.xmin, v2d->mask.ymin, v2d->mask.xmin + category_tabs_width, v2d->mask.ymax);
if (is_alpha) {
glDisable(GL_BLEND);
}
for (pc_dyn = ar->panels_category.first; pc_dyn; pc_dyn = pc_dyn->next) {
const rcti *rct = &pc_dyn->rect;
const char *category_id = pc_dyn->idname;
const char *category_id_draw = IFACE_(category_id);
int category_width = BLI_rcti_size_y(rct) - (tab_v_pad_text * 2);
size_t category_draw_len = BLF_DRAW_STR_DUMMY_MAX;
// int category_width = BLF_width(fontid, category_id_draw, BLF_DRAW_STR_DUMMY_MAX);
const bool is_active = STREQ(category_id, category_id_active);
#ifdef DEBUG
if (STREQ(category_id, PNL_CATEGORY_FALLBACK)) {
printf("WARNING: Panel has no 'bl_category', script needs updating!\n");
}
#endif
glEnable(GL_BLEND);
#ifdef USE_FLAT_INACTIVE
if (is_active)
#endif
{
glColor3ubv(is_active ? theme_col_tab_active : theme_col_tab_inactive);
ui_panel_category_draw_tab(GL_POLYGON, rct->xmin, rct->ymin, rct->xmax, rct->ymax,
tab_curve_radius - px, roundboxtype, true, true, NULL);
/* tab outline */
glColor3ubv(theme_col_tab_outline);
ui_panel_category_draw_tab(GL_LINE_STRIP, rct->xmin - px, rct->ymin - px, rct->xmax - px, rct->ymax + px,
tab_curve_radius, roundboxtype, true, true, NULL);
/* tab highlight (3d look) */
glColor3ubv(is_active ? theme_col_tab_highlight : theme_col_tab_highlight_inactive);
ui_panel_category_draw_tab(GL_LINE_STRIP, rct->xmin, rct->ymin, rct->xmax, rct->ymax,
tab_curve_radius, roundboxtype, true, false,
is_active ? theme_col_back : theme_col_tab_inactive);
}
/* tab blackline */
if (!is_active) {
glColor3ubv(theme_col_tab_divider);
glRecti(v2d->mask.xmin + category_tabs_width - px,
rct->ymin - tab_v_pad,
v2d->mask.xmin + category_tabs_width,
rct->ymax + tab_v_pad);
}
if (do_scaletabs) {
category_draw_len = BLF_width_to_strlen(fontid, category_id_draw, category_draw_len,
category_width, NULL);
}
BLF_position(fontid, rct->xmax - text_v_ofs, rct->ymin + tab_v_pad_text, 0.0f);
/* tab titles */
/* draw white shadow to give text more depth */
glColor3ubv(theme_col_text);
/* main tab title */
BLF_draw(fontid, category_id_draw, category_draw_len);
glDisable(GL_BLEND);
/* tab blackline remaining (last tab) */
if (pc_dyn->prev == NULL) {
glColor3ubv(theme_col_tab_divider);
glRecti(v2d->mask.xmin + category_tabs_width - px,
rct->ymax + px,
v2d->mask.xmin + category_tabs_width,
v2d->mask.ymax);
}
if (pc_dyn->next == NULL) {
glColor3ubv(theme_col_tab_divider);
glRecti(v2d->mask.xmin + category_tabs_width - px,
0,
v2d->mask.xmin + category_tabs_width,
rct->ymin);
}
#ifdef USE_FLAT_INACTIVE
/* draw line between inactive tabs */
if (is_active == false && is_active_prev == false && pc_dyn->prev) {
glColor3ubv(theme_col_tab_divider);
glRecti(v2d->mask.xmin + (category_tabs_width / 5),
rct->ymax + px,
(v2d->mask.xmin + category_tabs_width) - (category_tabs_width / 5),
rct->ymax + (px * 3));
}
is_active_prev = is_active;
#endif
/* not essential, but allows events to be handled right up until the region edge [#38171] */
pc_dyn->rect.xmin = v2d->mask.xmin;
}
glDisable(GL_LINE_SMOOTH);
BLF_disable(fontid, BLF_ROTATION);
BLF_disable(fontid, BLF_SHADOW);
if (fstyle->kerning == 1) {
BLF_disable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
#undef USE_FLAT_INACTIVE
}
static int ui_handle_panel_category_cycling(const wmEvent *event, ARegion *ar, const uiBut *active_but)
{
const bool is_mousewheel = ELEM(event->type, WHEELUPMOUSE, WHEELDOWNMOUSE);
const bool inside_tabregion = (event->mval[0] < ((PanelCategoryDyn *)ar->panels_category.first)->rect.xmax);
/* if mouse is inside non-tab region, ctrl key is required */
if (is_mousewheel && !event->ctrl && !inside_tabregion)
return WM_UI_HANDLER_CONTINUE;
if (active_but && ui_but_supports_cycling(active_but)) {
/* skip - exception to make cycling buttons
* using ctrl+mousewheel work in tabbed regions */
}
else {
const char *category = UI_panel_category_active_get(ar, false);
if (LIKELY(category)) {
PanelCategoryDyn *pc_dyn = UI_panel_category_find(ar, category);
if (LIKELY(pc_dyn)) {
if (is_mousewheel) {
/* we can probably get rid of this and only allow ctrl+tabbing */
pc_dyn = (event->type == WHEELDOWNMOUSE) ? pc_dyn->next : pc_dyn->prev;
}
else {
const bool backwards = event->shift;
pc_dyn = backwards ? pc_dyn->prev : pc_dyn->next;
if (!pc_dyn) {
/* proper cyclic behavior, back to first/last category (only used for ctrl+tab) */
pc_dyn = backwards ? ar->panels_category.last : ar->panels_category.first;
}
}
if (pc_dyn) {
/* intentionally don't reset scroll in this case,
* this allows for quick browsing between tabs */
UI_panel_category_active_set(ar, pc_dyn->idname);
ED_region_tag_redraw(ar);
}
}
}
return WM_UI_HANDLER_BREAK;
}
return WM_UI_HANDLER_CONTINUE;
}
/* XXX should become modal keymap */
/* AKey is opening/closing panels, independent of button state now */
int ui_handler_panel_region(bContext *C, const wmEvent *event, ARegion *ar, const uiBut *active_but)
{
uiBlock *block;
Panel *pa;
int retval, mx, my;
bool has_category_tabs = UI_panel_category_is_visible(ar);
retval = WM_UI_HANDLER_CONTINUE;
/* handle category tabs */
if (has_category_tabs) {
if (event->val == KM_PRESS) {
if (event->type == LEFTMOUSE) {
PanelCategoryDyn *pc_dyn = UI_panel_category_find_mouse_over(ar, event);
if (pc_dyn) {
UI_panel_category_active_set(ar, pc_dyn->idname);
ED_region_tag_redraw(ar);
/* reset scroll to the top [#38348] */
UI_view2d_offset(&ar->v2d, -1.0f, 1.0f);
retval = WM_UI_HANDLER_BREAK;
}
}
else if ((event->type == TABKEY && event->ctrl) || ELEM(event->type, WHEELUPMOUSE, WHEELDOWNMOUSE)) {
/* cycle tabs */
retval = ui_handle_panel_category_cycling(event, ar, active_but);
}
}
}
if (retval == WM_UI_HANDLER_BREAK) {
return retval;
}
for (block = ar->uiblocks.last; block; block = block->prev) {
uiPanelMouseState mouse_state;
mx = event->x;
my = event->y;
ui_window_to_block(ar, block, &mx, &my);
/* checks for mouse position inside */
pa = block->panel;
if (!pa || pa->paneltab != NULL)
continue;
if (pa->type && pa->type->flag & PNL_NO_HEADER) /* XXX - accessed freed panels when scripts reload, need to fix. */
continue;
mouse_state = ui_panel_mouse_state_get(block, pa, mx, my);
/* XXX hardcoded key warning */
if (ELEM(mouse_state, PANEL_MOUSE_INSIDE_CONTENT, PANEL_MOUSE_INSIDE_HEADER) && event->val == KM_PRESS) {
if (event->type == AKEY && ((event->ctrl + event->oskey + event->shift + event->alt) == 0)) {
if (pa->flag & PNL_CLOSEDY) {
if ((block->rect.ymax <= my) && (block->rect.ymax + PNL_HEADER >= my))
ui_handle_panel_header(C, block, mx, my, event->type, event->ctrl, event->shift);
}
else
ui_handle_panel_header(C, block, mx, my, event->type, event->ctrl, event->shift);
retval = WM_UI_HANDLER_BREAK;
continue;
}
}
/* on active button, do not handle panels */
if (ui_but_is_active(ar))
continue;
if (ELEM(mouse_state, PANEL_MOUSE_INSIDE_CONTENT, PANEL_MOUSE_INSIDE_HEADER)) {
if (event->val == KM_PRESS) {
/* open close on header */
if (ELEM(event->type, RETKEY, PADENTER)) {
if (mouse_state == PANEL_MOUSE_INSIDE_HEADER) {
ui_handle_panel_header(C, block, mx, my, RETKEY, event->ctrl, event->shift);
retval = WM_UI_HANDLER_BREAK;
break;
}
}
else if (event->type == LEFTMOUSE) {
/* all inside clicks should return in break - overlapping/float panels */
retval = WM_UI_HANDLER_BREAK;
if (mouse_state == PANEL_MOUSE_INSIDE_HEADER) {
ui_handle_panel_header(C, block, mx, my, event->type, event->ctrl, event->shift);
retval = WM_UI_HANDLER_BREAK;
break;
}
else if ((mouse_state == PANEL_MOUSE_INSIDE_SCALE) && !(pa->flag & PNL_CLOSED)) {
panel_activate_state(C, pa, PANEL_STATE_DRAG_SCALE);
retval = WM_UI_HANDLER_BREAK;
break;
}
}
else if (event->type == RIGHTMOUSE) {
if (mouse_state == PANEL_MOUSE_INSIDE_HEADER) {
ui_panel_menu(C, ar, block->panel);
retval = WM_UI_HANDLER_BREAK;
break;
}
}
else if (event->type == ESCKEY) {
/*XXX 2.50*/
#if 0
if (block->handler) {
rem_blockhandler(sa, block->handler);
ED_region_tag_redraw(ar);
retval = WM_UI_HANDLER_BREAK;
}
#endif
}
else if (event->type == PADPLUSKEY || event->type == PADMINUS) {
#if 0 /* XXX make float panel exception? */
int zoom = 0;
/* if panel is closed, only zoom if mouse is over the header */
if (pa->flag & (PNL_CLOSEDX | PNL_CLOSEDY)) {
if (inside_header)
zoom = 1;
}
else
zoom = 1;
if (zoom) {
ScrArea *sa = CTX_wm_area(C);
SpaceLink *sl = sa->spacedata.first;
if (sa->spacetype != SPACE_BUTS) {
if (!(pa->control & UI_PNL_SCALE)) {
if (event->type == PADPLUSKEY) sl->blockscale += 0.1;
else sl->blockscale -= 0.1;
CLAMP(sl->blockscale, 0.6, 1.0);
ED_region_tag_redraw(ar);
retval = WM_UI_HANDLER_BREAK;
}
}
}
#endif
}
}
}
}
return retval;
}
/**************** window level modal panel interaction **************/
/* note, this is modal handler and should not swallow events for animation */
static int ui_handler_panel(bContext *C, const wmEvent *event, void *userdata)
{
Panel *panel = userdata;
uiHandlePanelData *data = panel->activedata;
/* verify if we can stop */
if (event->type == LEFTMOUSE && event->val != KM_PRESS) {
ScrArea *sa = CTX_wm_area(C);
ARegion *ar = CTX_wm_region(C);
int align = panel_aligned(sa, ar);
if (align)
panel_activate_state(C, panel, PANEL_STATE_ANIMATION);
else
panel_activate_state(C, panel, PANEL_STATE_EXIT);
}
else if (event->type == MOUSEMOVE) {
if (data->state == PANEL_STATE_DRAG)
ui_do_drag(C, event, panel);
}
else if (event->type == TIMER && event->customdata == data->animtimer) {
if (data->state == PANEL_STATE_ANIMATION)
ui_do_animate(C, panel);
else if (data->state == PANEL_STATE_DRAG)
ui_do_drag(C, event, panel);
}
data = panel->activedata;
if (data && data->state == PANEL_STATE_ANIMATION)
return WM_UI_HANDLER_CONTINUE;
else
return WM_UI_HANDLER_BREAK;
}
static void ui_handler_remove_panel(bContext *C, void *userdata)
{
Panel *pa = userdata;
panel_activate_state(C, pa, PANEL_STATE_EXIT);
}
static void panel_activate_state(const bContext *C, Panel *pa, uiHandlePanelState state)
{
uiHandlePanelData *data = pa->activedata;
wmWindow *win = CTX_wm_window(C);
ARegion *ar = CTX_wm_region(C);
if (data && data->state == state)
return;
if (state == PANEL_STATE_EXIT || state == PANEL_STATE_ANIMATION) {
if (data && data->state != PANEL_STATE_ANIMATION) {
/* XXX:
* - the panel tabbing function call below (test_add_new_tabs()) has been commented out
* "It is too easy to do by accident when reordering panels,
* is very hard to control and use, and has no real benefit." - BillRey
* Aligorith, 2009Sep
*/
//test_add_new_tabs(ar); // also copies locations of tabs in dragged panel
check_panel_overlap(ar, NULL); /* clears */
}
pa->flag &= ~PNL_SELECT;
}
else
pa->flag |= PNL_SELECT;
if (data && data->animtimer) {
WM_event_remove_timer(CTX_wm_manager(C), win, data->animtimer);
data->animtimer = NULL;
}
if (state == PANEL_STATE_EXIT) {
MEM_freeN(data);
pa->activedata = NULL;
WM_event_remove_ui_handler(&win->modalhandlers, ui_handler_panel, ui_handler_remove_panel, pa, false);
}
else {
if (!data) {
data = MEM_callocN(sizeof(uiHandlePanelData), "uiHandlePanelData");
pa->activedata = data;
WM_event_add_ui_handler(C, &win->modalhandlers, ui_handler_panel, ui_handler_remove_panel, pa, 0);
}
if (ELEM(state, PANEL_STATE_ANIMATION, PANEL_STATE_DRAG))
data->animtimer = WM_event_add_timer(CTX_wm_manager(C), win, TIMER, ANIMATION_INTERVAL);
data->state = state;
data->startx = win->eventstate->x;
data->starty = win->eventstate->y;
data->startofsx = pa->ofsx;
data->startofsy = pa->ofsy;
data->startsizex = pa->sizex;
data->startsizey = pa->sizey;
data->starttime = PIL_check_seconds_timer();
}
ED_region_tag_redraw(ar);
}
View Git Blame Copy Permalink