Icons: support for drawing event icons
Use for drawing modal operator header keys.
This commit is contained in:
295
source/blender/editors/interface/interface_icons_event.c
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295
source/blender/editors/interface/interface_icons_event.c
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/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/editors/interface/interface_icons_event.c
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* \ingroup edinterface
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*
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* A special set of icons to represent input devices,
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* this is a mix of text (via fonts) and a handful of custom glyphs for special keys.
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*
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* Event codes are used as identifiers.
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*/
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include "MEM_guardedalloc.h"
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#include "GPU_draw.h"
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#include "GPU_matrix.h"
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#include "GPU_batch.h"
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#include "GPU_immediate.h"
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#include "GPU_state.h"
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#include "BLI_blenlib.h"
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#include "BLI_utildefines.h"
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#include "BLI_fileops_types.h"
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#include "BLI_math_vector.h"
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#include "DNA_brush_types.h"
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#include "DNA_curve_types.h"
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#include "DNA_dynamicpaint_types.h"
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#include "DNA_object_types.h"
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#include "DNA_screen_types.h"
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#include "DNA_space_types.h"
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#include "DNA_workspace_types.h"
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#include "RNA_access.h"
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#include "RNA_enum_types.h"
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#include "BKE_context.h"
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#include "BKE_global.h"
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#include "BKE_icons.h"
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#include "BKE_appdir.h"
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#include "BKE_studiolight.h"
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#include "IMB_imbuf.h"
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#include "IMB_imbuf_types.h"
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#include "IMB_thumbs.h"
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#include "BIF_glutil.h"
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#include "BLF_api.h"
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#include "DEG_depsgraph.h"
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#include "DRW_engine.h"
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#include "ED_datafiles.h"
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#include "ED_keyframes_draw.h"
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#include "ED_render.h"
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#include "UI_interface.h"
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#include "UI_interface_icons.h"
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#include "WM_api.h"
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#include "WM_types.h"
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#include "interface_intern.h"
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static void icon_draw_rect_input_small_text_ex(
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const rctf *rect, const float color[4], const float margin[2], const char *str,
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int font_size)
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{
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BLF_batch_draw_flush();
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const int font_id = BLF_default();
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BLF_color4fv(font_id, color);
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BLF_size(font_id, font_size * U.pixelsize, U.dpi);
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BLF_position(font_id, rect->xmin + margin[0] * 2, rect->ymin + margin[1] * 5, 0.0f);
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BLF_draw(font_id, str, BLF_DRAW_STR_DUMMY_MAX);
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BLF_batch_draw_flush();
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}
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static void icon_draw_rect_input_small_text(
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const rctf *rect, const float color[4], const float margin[2], const char *str)
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{
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icon_draw_rect_input_small_text_ex(rect, color, margin, str, 8);
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}
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static void icon_draw_rect_input_default_text(
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const rctf *rect,
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const float color[4], const float margin[2], const char *str)
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{
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BLF_batch_draw_flush();
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const int font_id = BLF_default();
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BLF_color4fv(font_id, color);
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BLF_position(font_id, (int)(rect->xmin + margin[0] * 5), (int)(rect->ymin + margin[1] * 5), 0.0f);
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BLF_draw(font_id, str, BLF_DRAW_STR_DUMMY_MAX);
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BLF_batch_draw_flush();
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}
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static void icon_draw_rect_input_mono_text(
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const rctf *rect,
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const float color[4], const float margin[2], const char *str)
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{
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BLF_batch_draw_flush();
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const int font_id = blf_mono_font;
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BLF_color4fv(font_id, color);
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BLF_size(font_id, 20 * U.pixelsize, U.dpi);
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BLF_position(font_id, (int)(rect->xmin + margin[0] * 5), (int)(rect->ymin + margin[1] * 5), 0.0f);
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BLF_draw(font_id, str, BLF_DRAW_STR_DUMMY_MAX);
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BLF_batch_draw_flush();
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}
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static void icon_draw_rect_input_line_prim(
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const rctf *rect,
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const float color[4],
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const int prim,
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const char lines[][2], int lines_len)
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{
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glEnable(GL_LINE_SMOOTH);
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glEnable(GL_BLEND);
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BLI_assert(ELEM(prim, GWN_PRIM_LINE_LOOP, GWN_PRIM_LINE_STRIP));
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const uint pos_id = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
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immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
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immUniformColor4fv(color);
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immBegin(prim, lines_len);
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float w_inv = BLI_rctf_size_x(rect) / 255.0f;
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float h_inv = BLI_rctf_size_y(rect) / 255.0f;
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for (int i = 0; i < lines_len; i++) {
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immVertex2f(
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pos_id,
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round_fl_to_int(rect->xmin + ((float)lines[i][0] * w_inv)),
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round_fl_to_int(rect->ymin + ((float)lines[i][1] * h_inv))
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);
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}
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immEnd();
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immUnbindProgram();
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glDisable(GL_LINE_SMOOTH);
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glDisable(GL_BLEND);
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}
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void icon_draw_rect_input(
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float x, float y, int w, int h, float UNUSED(alpha),
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short event_type, short UNUSED(event_value))
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{
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float color[4];
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const float margin[2] = {w / 20.0f, h / 20.0f};
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UI_GetThemeColor4fv(TH_TEXT, color);
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UI_draw_roundbox_corner_set(UI_CNR_ALL);
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UI_draw_roundbox_aa(
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false,
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(int)x,
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(int)y,
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(int)(x + w),
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(int)(y + h), 4.0f, color
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);
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const rctf rect = {
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.xmin = x,
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.ymin = y,
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.xmax = x + w,
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.ymax = y + h,
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};
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const bool simple_text = false;
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if ((event_type >= AKEY) || (ZKEY <= event_type)) {
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char str[2] = {'A' + (event_type - AKEY), '\0'};
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icon_draw_rect_input_default_text(&rect, color, margin, str);
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}
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if ((event_type >= F1KEY) || (F12KEY <= event_type)) {
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char str[3] = {'F', '1' + (event_type - F1KEY), '\0'};
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icon_draw_rect_input_default_text(&rect, color, margin, str);
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}
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else if (event_type == LEFTSHIFTKEY) {
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if (simple_text) {
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icon_draw_rect_input_small_text(&rect, color, margin, "Shift");
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}
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else {
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rctf rect_ofs = rect;
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BLI_rctf_translate(&rect_ofs, (w / -14.0f), (w / -14.0f));
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icon_draw_rect_input_mono_text(&rect_ofs, color, margin, (const char[]){0xe2, 0x87, 0xa7, 0x0});
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}
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}
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else if (event_type == LEFTCTRLKEY) {
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if (simple_text) {
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icon_draw_rect_input_small_text(&rect, color, margin, "Ctrl");
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}
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else {
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rctf rect_ofs = rect;
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BLI_rctf_translate(&rect_ofs, (w / -16.0f), 0.0f);
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icon_draw_rect_input_default_text(&rect_ofs, color, margin, "^");
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}
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}
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else if (event_type == LEFTALTKEY) {
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if (simple_text) {
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icon_draw_rect_input_small_text(&rect, color, margin, "Alt");
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}
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else {
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rctf rect_ofs = rect;
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BLI_rctf_translate(&rect_ofs, (w / -8.0f), 0.0f);
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icon_draw_rect_input_default_text(&rect_ofs, color, margin, (const char[]){0xe2, 0x8c, 0xa5, 0x0});
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}
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}
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else if (event_type == OSKEY) {
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icon_draw_rect_input_small_text(&rect, color, margin, "OS");
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}
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else if (event_type == DELKEY) {
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icon_draw_rect_input_small_text(&rect, color, margin, "Del");
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}
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else if (event_type == TABKEY) {
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if (simple_text) {
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icon_draw_rect_input_small_text(&rect, color, margin, "Tab");
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}
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else {
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rctf rect_ofs = rect;
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BLI_rctf_translate(&rect_ofs, (w / -12.0f), (w / -12.0f));
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icon_draw_rect_input_mono_text(&rect_ofs, color, margin, (const char[]){0xe2, 0x86, 0xb9, 0x0});
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}
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}
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else if (event_type == HOMEKEY) {
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if (simple_text) {
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icon_draw_rect_input_small_text(&rect, color, margin, "Home");
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}
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else {
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rctf rect_ofs = rect;
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BLI_rctf_translate(&rect_ofs, (w / -12.0f), (w / -12.0f));
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icon_draw_rect_input_mono_text(&rect_ofs, color, margin, (const char[]){0xe2, 0x87, 0xa4, 0x0});
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}
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}
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else if (event_type == ENDKEY) {
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if (simple_text) {
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icon_draw_rect_input_small_text(&rect, color, margin, "End");
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}
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else {
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rctf rect_ofs = rect;
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BLI_rctf_translate(&rect_ofs, (w / -12.0f), (w / -12.0f));
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icon_draw_rect_input_mono_text(&rect_ofs, color, margin, (const char[]){0xe2, 0x87, 0xa5, 0x0});
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}
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}
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else if (event_type == RETKEY) {
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if (simple_text) {
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icon_draw_rect_input_small_text(&rect, color, margin, "Ret");
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}
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else {
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rctf rect_ofs = rect;
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BLI_rctf_translate(&rect_ofs, (w / -8.0f), (w / -6.0f));
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icon_draw_rect_input_mono_text(&rect_ofs, color, margin, (const char[]){0xe2, 0x8f, 0x8e, 0x0});
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}
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}
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else if (event_type == ESCKEY) {
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icon_draw_rect_input_small_text(&rect, color, margin, "Esc");
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}
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else if (event_type == PAGEUPKEY) {
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icon_draw_rect_input_small_text_ex(&rect, color, margin, (const char[]){'P', 0xe2, 0x86, 0x91, 0x0}, 10);
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}
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else if (event_type == PAGEDOWNKEY) {
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icon_draw_rect_input_small_text_ex(&rect, color, margin, (const char[]){'P', 0xe2, 0x86, 0x93, 0x0}, 10);
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}
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else if (event_type == LEFTARROWKEY) {
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icon_draw_rect_input_default_text(&rect, color, margin, (const char[]){0xe2, 0x86, 0x90, 0x0});
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}
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else if (event_type == UPARROWKEY) {
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icon_draw_rect_input_default_text(&rect, color, margin, (const char[]){0xe2, 0x86, 0x91, 0x0});
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}
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else if (event_type == RIGHTARROWKEY) {
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icon_draw_rect_input_default_text(&rect, color, margin, (const char[]){0xe2, 0x86, 0x92, 0x0});
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}
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else if (event_type == DOWNARROWKEY) {
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icon_draw_rect_input_default_text(&rect, color, margin, (const char[]){0xe2, 0x86, 0x93, 0x0});
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}
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else if (event_type == SPACEKEY) {
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const uchar lines[] = {60, 118, 60, 60, 195, 60, 195, 118};
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icon_draw_rect_input_line_prim(
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&rect, color, GWN_PRIM_LINE_STRIP,
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(const void *)lines, ARRAY_SIZE(lines) / 2);
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}
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}
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