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The-Powder-Toy/src/gui/interface/ContextMenu.cpp
2019-03-09 21:07:32 -05:00

108 lines
2.4 KiB
C++

#include "ContextMenu.h"
#include "common/tpt-minmax.h"
#include "graphics/Graphics.h"
using namespace ui;
class ContextMenu::ItemSelectedAction: public ButtonAction
{
ContextMenu * window;
int item;
public:
ItemSelectedAction(ContextMenu * window, int itemID): window(window), item(itemID) { }
void ActionCallback(ui::Button *sender) override
{
window->ActionCallbackItem(sender, item);
}
};
ContextMenu::ContextMenu(Component * source):
Window(ui::Point(0, 0), ui::Point(0, 0)),
source(source),
Appearance(source->Appearance)
{
}
void ContextMenu::Show(ui::Point position)
{
for (size_t i = 0; i < buttons.size(); i++)
{
RemoveComponent(buttons[i]);
delete buttons[i];
}
buttons.clear();
Size.X = 100;
Size.Y = items.size()*16-1;
if(position.X+Size.X > WINDOWW)
position.X -= std::min(position.X, Size.X);
if(position.Y+Size.Y > YRES+MENUSIZE)
position.Y -= std::min(position.Y, Size.Y);
Position = position;
int currentY = 1;
for (size_t i = 0; i < items.size(); i++)
{
Button * tempButton = new Button(Point(1, currentY), Point(Size.X-2, 16), items[i].Text);
tempButton->Appearance = Appearance;
tempButton->Enabled = items[i].Enabled;
tempButton->SetActionCallback(new ItemSelectedAction(this, items[i].ID));
buttons.push_back(tempButton);
AddComponent(tempButton);
currentY += 15;
}
MakeActiveWindow();
}
void ContextMenu::ActionCallbackItem(ui::Button *sender, int item)
{
CloseActiveWindow();
Halt();
source->OnContextMenuAction(item);
}
void ContextMenu::OnMouseDown(int x, int y, unsigned button)
{
// Clicked outside window
if (!(x > Position.X && y > Position.Y && y < Position.Y+Size.Y && x < Position.X+Size.X))
CloseActiveWindow();
}
void ContextMenu::SetItem(int id, String text)
{
for (size_t i = 0; i < items.size(); i++)
{
if (items[i].ID == id)
{
items[i].Text = text;
break;
}
}
}
void ContextMenu::RemoveItem(int id)
{
for (size_t i = 0; i < items.size(); i++)
{
if (items[i].ID == id)
{
items.erase(items.begin()+i);
break;
}
}
}
void ContextMenu::AddItem(ContextMenuItem item)
{
items.push_back(item);
}
void ContextMenu::OnDraw()
{
Graphics * g = GetGraphics();
g->fillrect(Position.X, Position.Y, Size.X, Size.Y, 100, 100, 100, 255);
g->drawrect(Position.X, Position.Y, Size.X, Size.Y, Appearance.BackgroundInactive.Red, Appearance.BackgroundInactive.Green, Appearance.BackgroundInactive.Blue, Appearance.BackgroundInactive.Alpha);
}