annotate src/video/wincommon/SDL_lowvideo.h @ 4249:429c8dd3175d SDL-1.2

Fixed bug #713 Don't clamp the mouse coordinates to the video surface size, instead clamp them to the last known window size. This allows users to get the correct mouse coordinates even if they don't call SDL_SetVideoMode() in response to an SDL_VIDEORESIZE event (used as a hack to retain the OpenGL context on Windows and Linux after a window resize)
author Sam Lantinga <slouken@libsdl.org>
date Sun, 27 Sep 2009 05:18:43 +0000
parents a6f635e5eaa6
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #ifndef _SDL_lowvideo_h
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25 #define _SDL_lowvideo_h
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26
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27 #define WIN32_LEAN_AND_MEAN
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28 #include <windows.h>
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29
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30 #ifndef SetClassLongPtr
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31 #define SetClassLongPtr SetClassLong
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32 #endif
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33 #ifndef GetWindowLongPtr
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34 #define GetWindowLongPtr GetWindowLong
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35 #endif
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36 #ifndef SetWindowLongPtr
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37 #define SetWindowLongPtr SetWindowLong
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38 #endif
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39 #ifndef GWLP_WNDPROC
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40 #define GWLP_WNDPROC GWL_WNDPROC
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41 #endif
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42 #ifndef GWLP_HINSTANCE
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43 #define GWLP_HINSTANCE GWL_HINSTANCE
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44 #endif
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45 #ifndef GCLP_HICON
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46 #define GCLP_HICON GCL_HICON
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47 #endif
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48
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49 #include "../SDL_sysvideo.h"
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50
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51 /* Hidden "this" pointer for the video functions */
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52 #define _THIS SDL_VideoDevice *this
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53
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54 #define FULLSCREEN() \
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55 ((SDL_VideoSurface->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN)
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56
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57 #define WINDIB_FULLSCREEN() \
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58 ( \
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59 SDL_VideoSurface && \
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60 FULLSCREEN() && \
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61 (((SDL_VideoSurface->flags & SDL_OPENGL ) == SDL_OPENGL ) || \
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62 ((SDL_strcmp(this->name, "windib") == 0) || \
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63 (SDL_strcmp(this->name, "gapi") == 0))) \
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64 )
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65 #define DDRAW_FULLSCREEN() \
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66 ( \
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67 SDL_VideoSurface && \
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68 FULLSCREEN() && \
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69 ((SDL_VideoSurface->flags & SDL_OPENGL ) != SDL_OPENGL ) && \
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70 (SDL_strcmp(this->name, "directx") == 0) \
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71 )
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72
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73 #define DINPUT_FULLSCREEN() \
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74 ( \
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75 FULLSCREEN() && \
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76 (strcmp(this->name, "directx") == 0) \
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77 )
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78
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79 #define DINPUT() (strcmp(this->name, "directx") == 0)
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80
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81 /* The main window -- and a function to set it for the audio */
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82 #ifdef _WIN32_WCE
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83 extern LPWSTR SDL_Appname;
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84 #else
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85 extern LPSTR SDL_Appname;
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86 #endif
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87 extern HINSTANCE SDL_Instance;
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88 extern HWND SDL_Window;
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89 extern BOOL SDL_windowid;
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90
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91 /* Variables and functions exported to other parts of the native video
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92 subsystem (SDL_sysevents.c)
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93 */
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94 extern void WIN_FlushMessageQueue();
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95
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96 /* Called by windows message loop when application is activated */
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97 extern void (*WIN_Activate)(_THIS, BOOL active, BOOL minimized);
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98
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99 /* Called by windows message loop when system palette is available */
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100 extern void (*WIN_RealizePalette)(_THIS);
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101
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102 /* Called by windows message loop when the system palette changes */
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103 extern void (*WIN_PaletteChanged)(_THIS, HWND window);
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104
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105 /* Called by windows message loop when a portion of the screen needs update */
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106 extern void (*WIN_WinPAINT)(_THIS, HDC hdc);
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107
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108 /* Called by windows message loop when the message isn't handled */
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109 extern LONG (*HandleMessage)(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
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110
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111 /* The window cursor (from SDL_sysmouse.c) */
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112 extern HCURSOR SDL_hcursor;
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113
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114 /* The bounds of the window in screen coordinates */
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115 extern RECT SDL_bounds;
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116
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117 /* The position of the window in windowed mode */
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118 extern int SDL_windowX;
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119 extern int SDL_windowY;
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120
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121 /* Flag -- SDL is performing a resize, rather than the user */
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122 extern int SDL_resizing;
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123
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124 /* Flag -- the mouse is in relative motion mode */
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125 extern int mouse_relative;
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126
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127 /* The GDI fullscreen mode currently active */
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128 #ifndef NO_CHANGEDISPLAYSETTINGS
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129 extern DEVMODE SDL_desktop_mode;
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130 extern DEVMODE SDL_fullscreen_mode;
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131 #endif
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132
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133 /* The system gamma ramp for GDI modes */
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134 extern WORD *gamma_saved;
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135
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136 /* This is really from SDL_dx5audio.c */
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137 extern void DX5_SoundFocus(HWND window);
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138
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139 /* DJM: This is really from SDL_sysevents.c, we need it in
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140 GDL_CreateWindow as well */
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141 LRESULT CALLBACK WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
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142
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143 /* JFP: Implementation of ToUnicode() that works on 9x/ME/2K/XP */
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144 typedef int (WINAPI *ToUnicodeFN)(UINT, UINT, PBYTE, LPWSTR, int, UINT);
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145
7c7ddaf195bf Implemented ToUnicode() support on Windows 95/98/ME/NT/2000/XP
Sam Lantinga <slouken@libsdl.org>
parents: 1251
diff changeset
146 extern ToUnicodeFN SDL_ToUnicode;
7c7ddaf195bf Implemented ToUnicode() support on Windows 95/98/ME/NT/2000/XP
Sam Lantinga <slouken@libsdl.org>
parents: 1251
diff changeset
147
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
148 #endif /* SDL_lowvideo_h */