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(svn r14168) -Codechange: Make dropdown 'auto_width' a separate parameter, so that a minimum width can be specified.

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This commit is contained in:
peter1138 2008-08-25 16:07:10 +00:00
parent 621a9b647a
commit cf52b683c0
2 changed files with 10 additions and 10 deletions
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15
src/widgets/dropdown.cpp
View File

@ -229,7 +229,7 @@ struct DropdownWindow : Window {
}
};
void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width, bool instant_close)
void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width, bool auto_width, bool instant_close)
{
bool is_dropdown_menu_shown = w->IsWidgetLowered(button);
@ -250,17 +250,16 @@ void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, u
/* The preferred position is just below the dropdown calling widget */
int top = w->top + wi->bottom + 1;
bool auto_width = (width == UINT_MAX);
if (width == 0) width = wi->right - wi->left + 1;
uint max_item_width = 0;
if (auto_width) {
/* Find the longest item in the list */
width = 0;
for (DropDownList::const_iterator it = list->begin(); it != list->end(); ++it) {
const DropDownListItem *item = *it;
width = max(width, item->Width() + 5);
max_item_width = max(max_item_width, item->Width() + 5);
}
} else if (width == 0) {
width = wi->right - wi->left + 1;
}
/* Total length of list */
@ -297,10 +296,12 @@ void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, u
scroll = true;
/* Add space for the scroll bar if we automatically determined
* the width of the list. */
if (auto_width) width += 12;
max_item_width += 12;
}
}
if (auto_width) width = max(width, max_item_width);
DropdownWindow *dw = new DropdownWindow(
w->left + wi->left,
top,

5
src/widgets/dropdown_type.h
View File

@ -70,11 +70,10 @@ typedef std::list<DropDownListItem *> DropDownList;
* @param button The widget within the parent window that is used to determine
* the list's location.
* @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 auto_width Maximum 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, bool instant_close = false);
void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width = 0, bool auto_width = false, bool instant_close = false);
#endif /* WIDGETS_DROPDOWN_TYPE_H */