1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef GUIMANAGER_H
#define GUIMANAGER_H
#include "common/scummsys.h"
#include "common/singleton.h"
#include "common/stack.h"
#include "common/str.h"
#include "common/list.h"
#include "gui/ThemeEngine.h"
class OSystem;
namespace Graphics {
class Font;
}
namespace Common {
struct Event;
}
namespace GUI {
class Dialog;
class ThemeEval;
class GuiObject;
#define g_gui (GUI::GuiManager::instance())
// Height of a single text line
#define kLineHeight (g_gui.getFontHeight() + 2)
// Simple dialog stack class
// Anybody nesting dialogs deeper than 4 is mad anyway
typedef Common::FixedStack<Dialog *> DialogStack;
/**
* GUI manager singleton.
*/
class GuiManager : public Common::Singleton<GuiManager> {
friend class Dialog;
friend class Common::Singleton<SingletonBaseType>;
GuiManager();
~GuiManager();
public:
// Main entry for the GUI: this will start an event loop that keeps running
// until no dialogs are active anymore.
void runLoop();
void processEvent(const Common::Event &event, Dialog *const activeDialog);
void doFullRedraw();
bool isActive() const { return ! _dialogStack.empty(); }
bool loadNewTheme(Common::String id, ThemeEngine::GraphicsMode gfx = ThemeEngine::kGfxDisabled, bool force = false);
ThemeEngine *theme() { return _theme; }
ThemeEval *xmlEval() { return _theme->getEvaluator(); }
int getWidth() const { return _width; }
int getHeight() const { return _height; }
const Graphics::Font &getFont(ThemeEngine::FontStyle style = ThemeEngine::kFontStyleBold) const { return *(_theme->getFont(style)); }
int getFontHeight(ThemeEngine::FontStyle style = ThemeEngine::kFontStyleBold) const { return _theme->getFontHeight(style); }
int getStringWidth(const Common::String &str, ThemeEngine::FontStyle style = ThemeEngine::kFontStyleBold) const { return _theme->getStringWidth(str, style); }
int getCharWidth(byte c, ThemeEngine::FontStyle style = ThemeEngine::kFontStyleBold) const { return _theme->getCharWidth(c, style); }
int getKerningOffset(byte left, byte right, ThemeEngine::FontStyle font = ThemeEngine::kFontStyleBold) const { return _theme->getKerningOffset(left, right, font); }
/**
* Tell the GuiManager to check whether the screen resolution has changed.
* If that is the case, the GuiManager will reload/refresh the active theme.
*
* @return true if the a screen change indeed occurred, false otherwise
*/
bool checkScreenChange();
/**
* Tell the GuiManager to delete the given GuiObject later. If a parent
* dialog is provided and is present in the DialogStack, the object will
* only be deleted when that dialog is the top level dialog.
*/
void addToTrash(GuiObject*, Dialog* parent = 0);
bool _launched;
protected:
enum RedrawStatus {
kRedrawDisabled = 0,
kRedrawOpenDialog,
kRedrawCloseDialog,
kRedrawTopDialog,
kRedrawFull
};
OSystem *_system;
ThemeEngine *_theme;
// bool _needRedraw;
RedrawStatus _redrawStatus;
int _lastScreenChangeID;
int _width, _height;
DialogStack _dialogStack;
bool _stateIsSaved;
bool _useStdCursor;
// position and time of last mouse click (used to detect double clicks)
struct MousePos {
MousePos() : x(-1), y(-1), count(0) { time = 0; }
int16 x, y; // Position of mouse when the click occurred
uint32 time; // Time
int count; // How often was it already pressed?
} _lastClick, _lastMousePosition, _globalMousePosition;
// mouse cursor state
int _cursorAnimateCounter;
int _cursorAnimateTimer;
byte _cursor[2048];
// delayed deletion of GuiObject
struct GuiObjectTrashItem {
GuiObject* object;
Dialog* parent;
};
Common::List<GuiObjectTrashItem> _guiObjectTrash;
void initKeymap();
void pushKeymap();
void popKeymap();
void saveState();
void restoreState();
void openDialog(Dialog *dialog);
void closeTopDialog();
void redraw();
void loop();
void setupCursor();
void animateCursor();
Dialog *getTopDialog() const;
void screenChange();
void giveFocusToDialog(Dialog *dialog);
void setLastMousePos(int16 x, int16 y);
};
} // End of namespace GUI
#endif
|
