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/* 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 MM1_VIEWS_ENH_SCROLL_VIEW_H
#define MM1_VIEWS_ENH_SCROLL_VIEW_H
#include "mm/mm1/views_enh/text_view.h"
namespace MM {
namespace MM1 {
namespace ViewsEnh {
#define FRAME_BORDER_SIZE 8
#define GLYPH_W 24
#define GLYPH_H 20
class ScrollView : public TextView {
struct Button {
Shared::Xeen::SpriteResource *_sprites;
Common::Rect _bounds;
int _frame = -1;
Common::KeyState _key;
KeybindingAction _action = KEYBIND_NONE;
bool _enabled = true;
bool _halfSize = false;
Button(Shared::Xeen::SpriteResource *sprites,
const Common::Point &pos, int frame,
const Common::KeyState &key, bool halfSize = false) :
_sprites(sprites), _frame(frame), _key(key), _halfSize(halfSize),
_bounds(Common::Rect(pos.x, pos.y,
pos.x + (halfSize ? GLYPH_W / 2 : GLYPH_W),
pos.y + (halfSize ? GLYPH_H / 2 : GLYPH_H))
) {
}
Button(Shared::Xeen::SpriteResource *sprites,
const Common::Point &pos, int frame,
KeybindingAction action, bool halfSize = false) :
_sprites(sprites), _frame(frame), _action(action), _halfSize(halfSize),
_bounds(Common::Rect(pos.x, pos.y,
pos.x + (halfSize ? GLYPH_W / 2 : GLYPH_W),
pos.y + (halfSize ? GLYPH_H / 2 : GLYPH_H))
) {
}
Button(const Common::Rect &r, const Common::KeyState &key) :
_sprites(nullptr), _bounds(r), _key(key) {
}
Button(const Common::Rect &r, const KeybindingAction action) :
_sprites(nullptr), _bounds(r), _action(action) {
}
};
private:
Common::Array<Button> _buttons;
int _selectedButton = -1;
protected:
Common::Point _symbolPos;
protected:
/**
* Draw the scroll frame
*/
void frame();
/**
* Fill the scroll background
*/
void fill();
/**
* Draw a special symbol
*/
void writeSymbol(int symbolId);
/**
* Get the button at the given position
*/
int getButtonAt(const Common::Point &pos);
/**
* Return the number of buttons
*/
size_t getButtonCount() const {
return _buttons.size();
}
/**
* Draws the buttons
*/
void drawButtons();
public:
ScrollView(const Common::String &name);
ScrollView(const Common::String &name, UIElement *owner);
virtual ~ScrollView() {}
/**
* Clear the buttons list
*/
void clearButtons() {
_buttons.clear();
}
/**
* Add a button for display
*/
int addButton(Shared::Xeen::SpriteResource *sprites,
const Common::Point &pos, int frame,
const Common::KeyState &key, bool halfSize = false);
/**
* Add a button for display
*/
int addButton(Shared::Xeen::SpriteResource *sprites,
const Common::Point &pos, int frame, KeybindingAction action,
bool halfSize = false);
/**
* Add a button for display
*/
int addButton(const Common::Rect &r, const Common::KeyState &key);
/**
* Add a button for display
*/
int addButton(const Common::Rect &r, KeybindingAction action);
/**
* Set a button's enablement
*/
void setButtonEnabled(int buttonNum, bool enabled) {
_buttons[buttonNum]._enabled = enabled;
}
/**
* Return true if a button is enabled
*/
bool isButtonEnabled(int buttonNum) const {
return _buttons[buttonNum]._enabled;
}
/**
* Set a button's position
*/
void setButtonPos(int buttonNum, const Common::Point &pos) {
_buttons[buttonNum]._bounds.moveTo(pos);
}
/**
* Delete buttons
*/
void removeButtons(int start, int end = -2);
/**
* Reset selected button
*/
void resetSelectedButton();
/**
* Draw the view
*/
void draw() override;
/**
* View is focused
*/
bool msgFocus(const FocusMessage &msg) override;
/**
* Mouse down messages
*/
bool msgMouseDown(const MouseDownMessage &msg) override;
/**
* Mouse up messages
*/
bool msgMouseUp(const MouseUpMessage &msg) override;
};
} // namespace ViewsEnh
} // namespace MM1
} // namespace MM
#endif
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