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Enabling transparent pulldown/popup menus in Blender. Speed of drawing is

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not affected when using standard (alpha=255) settings.

Only the backdrop for menus and unselected items can be transparent, the
highighted (active) item remains solid colored.

Just fun eyecandy tho :) but the recode of menu enables this easily.
This commit is contained in:
Ton Roosendaal
2004-10-26 12:52:20 +00:00
parent c245379175
commit 15e1671ec5
5 changed files with 1346 additions and 1309 deletions
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37
source/blender/src/interface_draw.c
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@@ -1352,33 +1352,44 @@ static void ui_shadowbox(float minx, float miny, float maxx, float maxy, float s
void uiDrawMenuBox(float minx, float miny, float maxx, float maxy, short flag)
{
char col[4];
BIF_GetThemeColor4ubv(TH_MENU_BACK, col);
if( (flag & UI_BLOCK_NOSHADOW)==0) {
/* accumulated outline boxes to make shade not linear, is more pleasant */
ui_shadowbox(minx, miny, maxx, maxy, 6.0, 30);
ui_shadowbox(minx, miny, maxx, maxy, 4.0, 70);
ui_shadowbox(minx, miny, maxx, maxy, 2.0, 100);
ui_shadowbox(minx, miny, maxx, maxy, 6.0, (30*col[3])>>8);
ui_shadowbox(minx, miny, maxx, maxy, 4.0, (70*col[3])>>8);
ui_shadowbox(minx, miny, maxx, maxy, 2.0, (100*col[3])>>8);
glEnable(GL_BLEND);
glColor4ubv(col);
glRectf(minx-1, miny, minx, maxy); // 1 pixel on left, to distinguish sublevel menus
}
BIF_ThemeColor(TH_MENU_BACK);
glEnable(GL_BLEND);
glColor4ubv(col);
glRectf(minx, miny, maxx, maxy);
glDisable(GL_BLEND);
}
/* pulldown menu item */
static void ui_draw_pulldown_item(int type, int colorid, float asp, float x1, float y1, float x2, float y2, int flag)
{
if(flag & UI_ACTIVE) {
BIF_ThemeColor(TH_MENU_HILITE);
glRectf(x1-1, y1, x2+2, y2);
char col[4];
BIF_GetThemeColor4ubv(TH_MENU_BACK, col);
if(col[3]!=255) glEnable(GL_BLEND);
if((flag & UI_ACTIVE) && type!=LABEL) {
BIF_ThemeColor4(TH_MENU_HILITE);
glRectf(x1, y1, x2, y2);
} else {
BIF_ThemeColor(colorid); // is set at TH_MENU_ITEM when pulldown opened.
glRectf(x1-1, y1, x2+2, y2);
BIF_ThemeColor4(colorid); // is set at TH_MENU_ITEM when pulldown opened.
glRectf(x1, y1, x2, y2);
}
glDisable(GL_BLEND);
}
/* pulldown menu calling button */
@@ -1464,7 +1475,7 @@ static void ui_draw_text_icon(uiBut *but)
/* text color, with pulldown item exception */
if(but->dt==UI_EMBOSSP) {
if(but->flag & (UI_SELECT|UI_ACTIVE)) {
if((but->flag & (UI_SELECT|UI_ACTIVE)) && but->type!=LABEL) { // LABEL = title in pulldowns
BIF_ThemeColor(TH_MENU_TEXT_HI);
} else {
BIF_ThemeColor(TH_MENU_TEXT);