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(svn r17990) -Codechange: Add widgets enum for dropdown menu window.

release/1.0
alberth 2009-11-07 08:41:34 +00:00
parent 7f8a062f3f
commit 7dd10a684d
1 changed files with 26 additions and 20 deletions
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46
src/widgets/dropdown.cpp
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@ -69,16 +69,22 @@ static void DeleteDropDownList(DropDownList *list)
delete list;
}
/** Widget numbers of the dropdown menu. */
enum DropdownMenuWidgets {
DDM_ITEMS, ///< Panel showing the dropdown items.
DDM_SCROLL, ///< Scrollbar.
};
static const Widget _dropdown_menu_widgets[] = {
{ WWT_PANEL, RESIZE_NONE, COLOUR_END, 0, 0, 0, 0, 0x0, STR_NULL},
{ WWT_SCROLLBAR, RESIZE_NONE, COLOUR_END, 0, 0, 0, 0, 0x0, STR_TOOLTIP_VSCROLL_BAR_SCROLLS_LIST},
{ WWT_PANEL, RESIZE_NONE, COLOUR_END, 0, 0, 0, 0, 0x0, STR_NULL}, ///< DDM_ITEMS
{ WWT_SCROLLBAR, RESIZE_NONE, COLOUR_END, 0, 0, 0, 0, 0x0, STR_TOOLTIP_VSCROLL_BAR_SCROLLS_LIST}, ///< DDM_SCROLL
{ WIDGETS_END},
};
static const NWidgetPart _nested_dropdown_menu_widgets[] = {
NWidget(NWID_LAYERED),
NWidget(WWT_PANEL, COLOUR_END, 0), SetMinimalSize(1, 1), EndContainer(),
NWidget(WWT_SCROLLBAR, COLOUR_END, 1), SetMinimalSize(1, 1),
NWidget(WWT_PANEL, COLOUR_END, DDM_ITEMS), SetMinimalSize(1, 1), EndContainer(),
NWidget(WWT_SCROLLBAR, COLOUR_END, DDM_SCROLL), SetMinimalSize(1, 1),
EndContainer(),
};
@ -123,7 +129,7 @@ struct DropdownWindow : Window {
if (GetWidgetFromPos(this, _cursor.pos.x - this->left, _cursor.pos.y - this->top) < 0) return false;
int y = _cursor.pos.y - this->top - 2;
int width = this->widget[0].right - 3;
int width = this->widget[DDM_ITEMS].right - 3;
int pos = this->vscroll.GetPosition();
const DropDownList *list = this->list;
@ -155,9 +161,9 @@ struct DropdownWindow : Window {
int y = 2;
int sel = this->selected_index;
int width = this->widget[0].right - 2;
int right = this->widget[0].right;
int bottom = this->widget[0].bottom;
int width = this->widget[DDM_ITEMS].right - 2;
int right = this->widget[DDM_ITEMS].right;
int bottom = this->widget[DDM_ITEMS].bottom;
int pos = this->vscroll.GetPosition();
DropDownList *list = this->list;
@ -172,11 +178,11 @@ struct DropdownWindow : Window {
if (y + item_height < height) {
if (sel == item->result) GfxFillRect(x + 1, y, right - 1, y + item_height - 1, 0);
item->Draw(0, right, y, bottom, sel == item->result, (TextColour)this->widget[0].colour);
item->Draw(0, right, y, bottom, sel == item->result, (TextColour)this->widget[DDM_ITEMS].colour);
if (item->masked) {
GfxFillRect(x, y, right - 1, y + item_height - 1,
_colour_gradient[this->widget[0].colour][5], FILLRECT_CHECKER
_colour_gradient[this->widget[DDM_ITEMS].colour][5], FILLRECT_CHECKER
);
}
}
@ -186,7 +192,7 @@ struct DropdownWindow : Window {
virtual void OnClick(Point pt, int widget)
{
if (widget != 0) return;
if (widget != DDM_ITEMS) return;
int item;
if (this->GetDropDownItem(item)) {
this->click_delay = 4;
@ -347,20 +353,20 @@ void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, u
_dropdown_menu_widgets, &generated_dropdown_menu_widgets);
DropdownWindow *dw = new DropdownWindow(w->left + wi_rect.left, top, width, height + 4, wid);
dw->widget[0].colour = wi_colour;
dw->widget[0].right = width - 1;
dw->widget[0].bottom = height + 3;
dw->widget[DDM_ITEMS].colour = wi_colour;
dw->widget[DDM_ITEMS].right = width - 1;
dw->widget[DDM_ITEMS].bottom = height + 3;
dw->SetWidgetHiddenState(1, !scroll);
dw->SetWidgetHiddenState(DDM_SCROLL, !scroll);
if (scroll) {
/* We're scrolling, so enable the scroll bar and shrink the list by
* the scrollbar's width */
dw->widget[1].colour = wi_colour;
dw->widget[1].right = dw->widget[0].right;
dw->widget[1].left = dw->widget[1].right - 11;
dw->widget[1].bottom = dw->widget[0].bottom;
dw->widget[0].right -= 12;
dw->widget[DDM_SCROLL].colour = wi_colour;
dw->widget[DDM_SCROLL].right = dw->widget[DDM_ITEMS].right;
dw->widget[DDM_SCROLL].left = dw->widget[DDM_SCROLL].right - 11;
dw->widget[DDM_SCROLL].bottom = dw->widget[DDM_ITEMS].bottom;
dw->widget[DDM_ITEMS].right -= 12;
/* Capacity is the average number of items visible */
dw->vscroll.SetCapacity(height * (uint16)list->size() / list_height);