scummvm/gui/dialog.h
2021-12-26 18:48:43 +01:00

130 lines
3.8 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef GUI_DIALOG_H
#define GUI_DIALOG_H
#include "common/scummsys.h"
#include "common/str.h"
#include "common/keyboard.h"
#include "gui/object.h"
#include "gui/ThemeEngine.h"
namespace Common {
struct Event;
}
namespace GUI {
class EventRecorder;
class Widget;
// Some "common" commands sent to handleCommand()
enum {
kCloseWithResultCmd = 'clsr',
kCloseCmd = 'clos',
kOKCmd = 'ok '
};
class Dialog : public GuiObject {
friend class GuiManager;
friend class EventRecorder;
friend class Tooltip;
protected:
Widget *_mouseWidget;
Widget *_focusedWidget;
Widget *_dragWidget;
Widget *_tickleWidget;
bool _visible;
// _mouseUpdatedOnFocus instructs gui-manager whether
// its lastMousePosition (time and x,y coordinates)
// should be updated, when this Dialog acquires focus.
// Default value is true.
bool _mouseUpdatedOnFocus;
ThemeEngine::DialogBackground _backgroundType;
private:
int _result;
public:
Dialog(int x, int y, int w, int h);
Dialog(const Common::String &name);
virtual int runModal();
bool isVisible() const override { return _visible; }
bool isMouseUpdatedOnFocus() const { return _mouseUpdatedOnFocus; }
void releaseFocus() override;
void setFocusWidget(Widget *widget);
Widget *getFocusWidget() { return _focusedWidget; }
void setTickleWidget(Widget *widget) { _tickleWidget = widget; }
void unSetTickleWidget() { _tickleWidget = nullptr; }
Widget *getTickleWidget() { return _tickleWidget; }
void reflowLayout() override;
virtual void lostFocus();
virtual void receivedFocus(int x = -1, int y = -1) { if (x >= 0 && y >= 0) handleMouseMoved(x, y, 0); }
protected:
virtual void open();
virtual void close();
/** Recursively mark all the widgets in this dialog as dirty so they are redrawn */
void markWidgetsAsDirty();
/** Draw the dialog in its entirety (background and widgets) */
virtual void drawDialog(DrawLayer layerToDraw);
/** Draw only the dialog's widgets */
void drawWidgets();
virtual void handleTickle(); // Called periodically (in every guiloop() )
virtual void handleMouseDown(int x, int y, int button, int clickCount);
virtual void handleMouseUp(int x, int y, int button, int clickCount);
virtual void handleMouseWheel(int x, int y, int direction);
virtual void handleKeyDown(Common::KeyState state);
virtual void handleKeyUp(Common::KeyState state);
virtual void handleMouseMoved(int x, int y, int button);
virtual void handleMouseLeft(int button) {}
virtual void handleOtherEvent(const Common::Event &evt) {}
void handleCommand(CommandSender *sender, uint32 cmd, uint32 data) override;
Widget *findWidget(int x, int y); // Find the widget at pos x,y if any
Widget *findWidget(const char *name);
void removeWidget(Widget *widget) override;
void setMouseUpdatedOnFocus(bool mouseUpdatedOnFocus) { _mouseUpdatedOnFocus = mouseUpdatedOnFocus; }
void setDefaultFocusedWidget();
void setResult(int result) { _result = result; }
int getResult() const { return _result; }
};
} // End of namespace GUI
#endif