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(svn r14015) -Codechange: Add facility for a drop down list to always close (if requested) when the mouse button is released.

This commit is contained in:
peter1138 2008-08-07 18:26:13 +00:00
parent 6bae045b4a
commit 3c2f69bf62
2 changed files with 17 additions and 3 deletions
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16
src/widgets/dropdown.cpp
View File

@ -71,6 +71,7 @@ struct DropdownWindow : Window {
int selected_index;
byte click_delay;
bool drag_mode;
bool instant_close;
int scrolling;
DropdownWindow(int x, int y, int width, int height, const Widget *widget) : Window(x, y, width, height, WC_DROPDOWN_MENU, widget)
@ -196,7 +197,17 @@ struct DropdownWindow : Window {
if (!_left_button_clicked) {
this->drag_mode = false;
if (!this->GetDropDownItem(item)) return;
if (!this->GetDropDownItem(item)) {
if (this->instant_close) {
if (GetWidgetFromPos(w2, _cursor.pos.x - w2->left, _cursor.pos.y - w2->top) == this->parent_button) {
/* Send event for selected option if we're still
* on the parent button of the list. */
w2->OnDropdownSelect(this->parent_button, this->selected_index);
}
delete this;
}
return;
}
this->click_delay = 2;
} else {
if (_cursor.pos.y <= this->top + 2) {
@ -218,7 +229,7 @@ struct DropdownWindow : Window {
}
};
void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width)
void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width, bool instant_close)
{
bool is_dropdown_menu_shown = w->IsWidgetLowered(button);
@ -327,6 +338,7 @@ void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, u
dw->selected_index = selected;
dw->click_delay = 0;
dw->drag_mode = true;
dw->instant_close = instant_close;
}
void ShowDropDownMenu(Window *w, const StringID *strings, int selected, int button, uint32 disabled_mask, uint32 hidden_mask, uint width)

4
src/widgets/dropdown_type.h
View File

@ -72,7 +72,9 @@ typedef std::list<DropDownListItem *> DropDownList;
* @param width Override the width determined by the selected widget.
* If UINT_MAX then the width is determined by the widest item
* in the list.
* @param instant_close Set to true if releasing mouse button should close the
* list regardless of where the cursor is.
*/
void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width = 0);
void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width = 0, bool instant_close = false);
#endif /* WIDGETS_DROPDOWN_TYPE_H */