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Add: Generic drop down list string item with icon.

This commit is contained in:
peter1138 2019-03-10 02:10:40 +00:00 committed by PeterN
parent fb35cb5ed2
commit b56ea5ca27
2 changed files with 52 additions and 0 deletions
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34
src/widgets/dropdown.cpp
View File

@ -71,6 +71,40 @@ StringID DropDownListCharStringItem::String() const
return this->string;
}
DropDownListIconItem::DropDownListIconItem(SpriteID sprite, PaletteID pal, StringID string, int result, bool masked) : DropDownListParamStringItem(string, result, masked), sprite(sprite), pal(pal)
{
this->dim = GetSpriteSize(sprite);
if (this->dim.height < (uint)FONT_HEIGHT_NORMAL) {
this->sprite_y = (FONT_HEIGHT_NORMAL - dim.height) / 2;
this->text_y = 0;
} else {
this->sprite_y = 0;
this->text_y = (dim.height - FONT_HEIGHT_NORMAL) / 2;
}
}
uint DropDownListIconItem::Height(uint width) const
{
return max(this->dim.height, (uint)FONT_HEIGHT_NORMAL);
}
uint DropDownListIconItem::Width() const
{
return DropDownListStringItem::Width() + this->dim.width + WD_FRAMERECT_LEFT;
}
void DropDownListIconItem::Draw(int left, int right, int top, int bottom, bool sel, Colours bg_colour) const
{
bool rtl = _current_text_dir == TD_RTL;
DrawSprite(this->sprite, this->pal, rtl ? right - this->dim.width - WD_FRAMERECT_RIGHT : left + WD_FRAMERECT_LEFT, top + this->sprite_y);
DrawString(left + WD_FRAMERECT_LEFT + (rtl ? 0 : (this->dim.width + WD_FRAMERECT_LEFT)), right - WD_FRAMERECT_RIGHT - (rtl ? (this->dim.width + WD_FRAMERECT_RIGHT) : 0), top + this->text_y, this->String(), sel ? TC_WHITE : TC_BLACK);
}
void DropDownListIconItem::SetDimension(Dimension d)
{
this->dim = d;
}
static const NWidgetPart _nested_dropdown_menu_widgets[] = {
NWidget(NWID_HORIZONTAL),
NWidget(WWT_PANEL, COLOUR_END, WID_DM_ITEMS), SetMinimalSize(1, 1), SetScrollbar(WID_DM_SCROLL), EndContainer(),

18
src/widgets/dropdown_type.h
View File

@ -77,6 +77,24 @@ public:
virtual StringID String() const;
};
/**
* List item with icon and string.
*/
class DropDownListIconItem : public DropDownListParamStringItem {
SpriteID sprite;
PaletteID pal;
Dimension dim;
uint sprite_y;
uint text_y;
public:
DropDownListIconItem(SpriteID sprite, PaletteID pal, StringID string, int result, bool masked);
/* virtual */ uint Height(uint width) const;
/* virtual */ uint Width() const;
/* virtual */ void Draw(int left, int right, int top, int bottom, bool sel, Colours bg_colour) const;
void SetDimension(Dimension d);
};
/**
* A drop down list is a collection of drop down list items.
*/