vn/code/vn_ui_utils.cpp

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// sixten: Rows and columns.
inline void UI_RowBegin(void)
{
UI_SetNextLayoutAxis(Axis2_X);
ui_box *Box = UI_MakeBox(0, StrLit(""));
UI_PushParent(Box);
}
inline void UI_RowEnd(void)
{
UI_PopParent();
}
inline void UI_ColumnBegin(void)
{
UI_SetNextLayoutAxis(Axis2_Y);
ui_box *Box = UI_MakeBox(0, StrLit(""));
UI_PushParent(Box);
}
inline void UI_ColumnEnd(void)
{
UI_PopParent();
}
#define UI_Row DeferLoop(UI_RowBegin(), UI_RowEnd())
#define UI_Column DeferLoop(UI_ColumnBegin(), UI_ColumnEnd())
// sixten: Compositions
inline void UI_PushAxisSize(axis2 Axis, ui_size Size)
{
if(Axis == Axis2_X)
{
UI_PushWidth(Size);
}
else
{
UI_PushHeight(Size);
}
}
inline void UI_PopAxisSize(axis2 Axis)
{
if(Axis == Axis2_X)
{
UI_PopWidth();
}
else
{
UI_PopHeight();
}
}
inline void UI_SetNextAxisSize(axis2 Axis, ui_size Size)
{
if(Axis == Axis2_X)
{
UI_SetNextWidth(Size);
}
else
{
UI_SetNextHeight(Size);
}
}
#define UI_AxisSize(Axis, Size) DeferLoop(UI_PushAxisSize(Axis, Size), UI_PopAxisSize(Axis))
#define UI_Size(Width, Height) UI_Width(Width) UI_Height(Height)
#define UI_PushSize(Width, Height) UI_PushWidth(Width); UI_PushHeight(Height)
#define UI_PopSize() UI_PopWidth(); UI_PopHeight()
#define UI_SetNextSize(Width, Height) UI_SetNextWidth(Width); UI_SetNextHeight(Height)
#define UI_FixedP(Value) UI_FixedX(Value.x) UI_FixedY(Value.y)
#define UI_SetNextFixedP(Value) UI_SetNextFixedX(Value.x); UI_SetNextFixedY(Value.y)
// sixten: Spacing
static ui_box *UI_NamedSpacer(ui_size Size, string String)
{
ui_box *Parent = UI_TopParent();
UI_SetNextAxisSize(Parent->LayoutAxis, Size);
ui_box *Box = UI_MakeBox(0, String);
return(Box);
}
static ui_box *UI_NamedSpacerF(ui_size Size, char *Format, ...)
{
temporary_memory Scratch = GetScratch(0, 0);
va_list Arguments;
va_start(Arguments, Format);
string String = PushFormatVariadic(Scratch.Arena, Format, Arguments);
va_end(Arguments);
ui_box *Box = UI_NamedSpacer(Size, String);
ReleaseScratch(Scratch);
return(Box);
}
static void UI_Spacer(ui_size Size)
{
UI_NamedSpacer(Size, StrLit(""));
}
#define UI_Padding(Size) DeferLoop(UI_Spacer(Size), UI_Spacer(Size))
// sixten: Common widgets
static ui_box *UI_Label(string String)
{
ui_box *Box = UI_MakeBox(UI_BoxFlag_DrawText, String);
return(Box);
}
static ui_box *UI_LabelF(char *Format, ...)
{
temporary_memory Scratch = GetScratch(0, 0);
va_list Arguments;
va_start(Arguments, Format);
string String = PushFormatVariadic(Scratch.Arena, Format, Arguments);
va_end(Arguments);
ui_box *Box = UI_MakeBox(UI_BoxFlag_DrawText, String);
ReleaseScratch(Scratch);
return(Box);
}
static ui_signal UI_Button(string String)
{
ui_box *Box = UI_MakeBox(UI_BoxFlag_DrawText|
UI_BoxFlag_DrawBackground|
UI_BoxFlag_DrawBorder|
UI_BoxFlag_HotAnimation|
UI_BoxFlag_ActiveAnimation|
UI_BoxFlag_Clickable,
String);
ui_signal Signal = UI_SignalFromBox(Box);
return(Signal);
}
static ui_signal UI_ButtonF(char *Format, ...)
{
temporary_memory Scratch = GetScratch(0, 0);
va_list Arguments;
va_start(Arguments, Format);
string String = PushFormatVariadic(Scratch.Arena, Format, Arguments);
va_end(Arguments);
ui_box *Box = UI_MakeBox(UI_BoxFlag_DrawText|
UI_BoxFlag_DrawBackground|
UI_BoxFlag_DrawBorder|
UI_BoxFlag_HotAnimation|
UI_BoxFlag_ActiveAnimation|
UI_BoxFlag_Clickable,
String);
ui_signal Signal = UI_SignalFromBox(Box);
ReleaseScratch(Scratch);
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return(Signal);
}
static ui_signal UI_Checkbox(string String, b32 *Checked)
{
UI_SetNextSize(UI_ChildrenSum(1, 1), UI_ChildrenSum(1, 1));
UI_SetNextLayoutAxis(Axis2_X);
ui_box *ContainerBox = UI_MakeBox(UI_BoxFlag_Clickable, String);
UI_Parent(ContainerBox)
{
r32 OpacityTransition = AnimationCurve_AnimateValueF(*Checked, *Checked, 0.15, "UI Checkbox Transition %p", Checked);
v4 TextColor = UI_TopTextColor();
TextColor.a = OpacityTransition;
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UI_CornerRadius(2) UI_Size(UI_Em(1, 1), UI_Em(1, 1)) UI_Font(Font_Icons) UI_TextColor(TextColor)
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UI_MakeBoxF(UI_BoxFlag_DrawBorder|UI_BoxFlag_DrawText, "%U", FontIcon_Cancel);
UI_Size(UI_TextContent(15, 1), UI_Em(1, 1)) UI_Label(String);
}
ui_signal Signal = UI_SignalFromBox(ContainerBox);
if(Signal.Hovering)
{
Platform.SetCursor(PlatformCursor_Hand);
}
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if(Signal.Pressed)
{
*Checked = !*Checked;
}
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return(Signal);
}