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UI: show popover arrow directly under the button

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A visual hint but looks broken when its not pointing to the button.
This commit is contained in:
Campbell Barton
2018-04-28 22:54:11 +02:00
parent ca7964c24b
commit a56d6e467b
4 changed files with 73 additions and 62 deletions
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121
source/blender/editors/interface/interface_widgets.c
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@@ -1159,7 +1159,7 @@ static void draw_widgetbase_batch(Gwn_Batch *batch, uiWidgetBase *wtb)
}
}
static void widgetbase_draw(uiWidgetBase *wtb, uiWidgetColors *wcol)
static void widgetbase_draw(uiWidgetBase *wtb, const uiWidgetColors *wcol)
{
unsigned char inner_col1[4] = {0};
unsigned char inner_col2[4] = {0};
@@ -2767,56 +2767,6 @@ static void widget_menu_back(uiWidgetColors *wcol, rcti *rect, int flag, int dir
glDisable(GL_BLEND);
}
static void widget_popover_back(uiWidgetColors *wcol, rcti *rect, int UNUSED(flag), int direction)
{
/* tsk, this isn't nice. */
const float unit_half = (BLI_rcti_size_x(rect) / UI_POPOVER_WIDTH_UNITS) / 2;
const float cent_x = BLI_rcti_cent_x(rect);
rect->ymax -= unit_half;
rect->ymin += unit_half;
glEnable(GL_BLEND);
/* Extracted from 'widget_menu_back', keep separate to avoid menu changes breaking popovers */
{
uiWidgetBase wtb;
widget_init(&wtb);
const int roundboxalign = UI_CNR_ALL;
widget_softshadow(rect, roundboxalign, wcol->roundness * U.widget_unit);
round_box_edges(&wtb, roundboxalign, rect, wcol->roundness * U.widget_unit);
wtb.draw_emboss = false;
widgetbase_draw(&wtb, wcol);
}
/* Draw popover arrow (top/bottom) */
if (ELEM(direction, UI_DIR_UP, UI_DIR_DOWN)) {
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);
glEnable(GL_BLEND);
immBegin(GWN_PRIM_TRIS, 3);
if (direction == UI_DIR_DOWN) {
const float y = rect->ymax;
immVertex2f(pos, cent_x - unit_half, y);
immVertex2f(pos, cent_x + unit_half, y);
immVertex2f(pos, cent_x, y + unit_half);
}
else {
const float y = rect->ymin;
immVertex2f(pos, cent_x - unit_half, y);
immVertex2f(pos, cent_x + unit_half, rect->ymin);
immVertex2f(pos, cent_x, y - unit_half);
}
immEnd();
immUnbindProgram();
}
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);
@@ -4261,10 +4211,6 @@ static uiWidgetType *widget_type(uiWidgetTypeEnum type)
wt.wcol_theme = &btheme->tui.wcol_menu_back;
wt.draw = widget_menu_back;
break;
case UI_WTYPE_POPOVER_BACK:
wt.wcol_theme = &btheme->tui.wcol_menu_back;
wt.draw = widget_popover_back;
break;
/* specials */
case UI_WTYPE_ICON:
@@ -4707,15 +4653,72 @@ void ui_draw_menu_back(uiStyle *UNUSED(style), uiBlock *block, rcti *rect)
}
}
void ui_draw_popover_back(uiStyle *UNUSED(style), uiBlock *block, rcti *rect)
/**
* Similar to 'widget_menu_back', however we can't use the widget preset system
* because we need to pass in the original location so we know where to show the arrow.
*/
static void ui_draw_popover_back_impl(
const uiWidgetColors *wcol, rcti *rect, int direction,
const float mval_origin[2])
{
uiWidgetType *wt = widget_type(UI_WTYPE_POPOVER_BACK);
/* tsk, this isn't nice. */
const float unit_half = (BLI_rcti_size_x(rect) / UI_POPOVER_WIDTH_UNITS) / 2;
const float cent_x = mval_origin ? mval_origin[0] : BLI_rcti_cent_x(rect);
rect->ymax -= unit_half;
rect->ymin += unit_half;
wt->state(wt, 0);
glEnable(GL_BLEND);
/* Extracted from 'widget_menu_back', keep separate to avoid menu changes breaking popovers */
{
uiWidgetBase wtb;
widget_init(&wtb);
const int roundboxalign = UI_CNR_ALL;
widget_softshadow(rect, roundboxalign, wcol->roundness * U.widget_unit);
round_box_edges(&wtb, roundboxalign, rect, wcol->roundness * U.widget_unit);
wtb.draw_emboss = false;
widgetbase_draw(&wtb, wcol);
}
/* Draw popover arrow (top/bottom) */
if (ELEM(direction, UI_DIR_UP, UI_DIR_DOWN)) {
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);
glEnable(GL_BLEND);
immBegin(GWN_PRIM_TRIS, 3);
if (direction == UI_DIR_DOWN) {
const float y = rect->ymax;
immVertex2f(pos, cent_x - unit_half, y);
immVertex2f(pos, cent_x + unit_half, y);
immVertex2f(pos, cent_x, y + unit_half);
}
else {
const float y = rect->ymin;
immVertex2f(pos, cent_x - unit_half, y);
immVertex2f(pos, cent_x + unit_half, rect->ymin);
immVertex2f(pos, cent_x, y - unit_half);
}
immEnd();
immUnbindProgram();
}
glDisable(GL_BLEND);
}
void ui_draw_popover_back(ARegion *ar, uiStyle *UNUSED(style), uiBlock *block, rcti *rect)
{
if (block) {
wt->draw(&wt->wcol, rect, block->flag, block->direction);
float mval_origin[2] = {block->mx, block->my};
ui_window_to_block_fl(ar, block, &mval_origin[0], &mval_origin[1]);
ui_draw_popover_back_impl(&wcol_menu_back, rect, block->direction, mval_origin);
}
else {
uiWidgetType *wt = widget_type(UI_WTYPE_MENU_BACK);
wt->state(wt, 0);
wt->draw(&wt->wcol, rect, 0, 0);
}
}