public static Event BuildButton(this ImGui gui, Rect rect, SchemeColor normal, SchemeColor over, SchemeColor down = SchemeColor.None, uint button = SDL.SDL_BUTTON_LEFT)
{
if (button == 0)
{
button = (uint)InputSystem.Instance.mouseDownButton;
}
switch (gui.action)
{
case ImGuiAction.MouseMove:
var wasOver = gui.IsMouseOver(rect);
return(gui.ConsumeMouseOver(rect, RenderingUtils.cursorHand) && !wasOver ? Event.MouseOver : Event.None);
case ImGuiAction.MouseDown:
return(gui.actionParameter == button && gui.ConsumeMouseDown(rect, button) ? Event.MouseDown : Event.None);
case ImGuiAction.MouseUp:
return(gui.actionParameter == button && gui.ConsumeMouseUp(rect, true, button) ? Event.Click : Event.None);
case ImGuiAction.Build:
var color = gui.IsMouseOver(rect) ? (down != SchemeColor.None && gui.IsMouseDown(rect, button)) ? down : over : normal;
gui.DrawRectangle(rect, color);
return(Event.None);
default:
return(Event.None);
}
}
public static bool BuildLink(this ImGui gui, string text)
{
gui.BuildText(text, color: SchemeColor.Link);
var rect = gui.lastRect;
switch (gui.action)
{
case ImGuiAction.MouseMove:
gui.ConsumeMouseOver(rect, RenderingUtils.cursorHand);
break;
case ImGuiAction.MouseDown:
if (gui.actionParameter == SDL.SDL_BUTTON_LEFT)
{
gui.ConsumeMouseDown(rect);
}
break;
case ImGuiAction.MouseUp:
if (gui.ConsumeMouseUp(rect))
{
return(true);
}
break;
case ImGuiAction.Build:
if (gui.IsMouseOver(rect))
{
gui.DrawRectangle(new Rect(rect.X, rect.Bottom - 0.2f, rect.Width, 0.1f), SchemeColor.Link);
}
break;
}
return(false);
}
public static bool OnClick(this ImGui gui, Rect rect)
{
if (gui.action == ImGuiAction.MouseUp)
{
return(gui.ConsumeMouseUp(rect));
}
if (gui.action == ImGuiAction.MouseDown && gui.actionParameter == SDL.SDL_BUTTON_LEFT)
{
gui.ConsumeMouseDown(rect);
}
return(false);
}
public static bool BuildButtonClick(this ImGui gui, Rect rect, uint button = SDL.SDL_BUTTON_LEFT)
{
if (gui.actionParameter == button)
{
if (gui.action == ImGuiAction.MouseDown)
{
gui.ConsumeMouseDown(rect);
}
else if (gui.action == ImGuiAction.MouseUp)
{
return(gui.ConsumeMouseUp(rect));
}
}
return(false);
}
private void BuildHeaderResizer(ImGui gui, DataColumn <TData> column, Rect rect)
{
switch (gui.action)
{
case ImGuiAction.Build:
var center = rect.X + rect.Width * 0.5f;
if (gui.IsMouseDown(rect, SDL.SDL_BUTTON_LEFT))
{
var unclampedWidth = gui.mousePosition.X - rect.Center.X + column.width;
var clampedWidth = MathUtils.Clamp(unclampedWidth, column.minWidth, column.maxWidth);
center = center - column.width + clampedWidth;
}
var viewRect = new Rect(center - 0.1f, rect.Y, 0.2f, rect.Height);
gui.DrawRectangle(viewRect, SchemeColor.GreyAlt);
break;
case ImGuiAction.MouseMove:
gui.ConsumeMouseOver(rect, RenderingUtils.cursorHorizontalResize);
if (gui.IsMouseDown(rect, SDL.SDL_BUTTON_LEFT))
{
gui.Rebuild();
}
break;
case ImGuiAction.MouseDown:
gui.ConsumeMouseDown(rect, cursor: RenderingUtils.cursorHorizontalResize);
break;
case ImGuiAction.MouseUp:
if (gui.ConsumeMouseUp(rect, false))
{
var unclampedWidth = gui.mousePosition.X - rect.Center.X + column.width;
column.width = MathUtils.Clamp(unclampedWidth, column.minWidth, column.maxWidth);
contentGui?.Rebuild();
}
break;
}
}