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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2006 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 #define WIN32_LEAN_AND_MEAN |
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25 #include <windows.h> |
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26 |
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27 /* Make sure XBUTTON stuff is defined that isn't in older Platform SDKs... */ |
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28 #ifndef WM_XBUTTONDOWN |
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29 #define WM_XBUTTONDOWN 0x020B |
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30 #endif |
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31 #ifndef WM_XBUTTONUP |
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32 #define WM_XBUTTONUP 0x020C |
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33 #endif |
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34 #ifndef GET_XBUTTON_WPARAM |
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35 #define GET_XBUTTON_WPARAM(w) (HIWORD(w)) |
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36 #endif |
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37 |
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38 #include "SDL_events.h" |
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39 #include "SDL_video.h" |
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40 #include "SDL_syswm.h" |
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41 #include "../SDL_sysvideo.h" |
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42 #include "../../events/SDL_sysevents.h" |
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43 #include "../../events/SDL_events_c.h" |
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44 #include "SDL_lowvideo.h" |
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45 #include "SDL_syswm_c.h" |
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46 #include "SDL_main.h" |
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47 #include "SDL_loadso.h" |
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48 |
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49 #ifdef WMMSG_DEBUG |
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50 #include "wmmsg.h" |
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51 #endif |
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52 |
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53 #ifdef _WIN32_WCE |
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54 #include "../gapi/SDL_gapivideo.h" |
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55 |
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56 #define IsZoomed(HWND) 1 |
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57 #define NO_GETKEYBOARDSTATE |
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58 #if _WIN32_WCE < 420 |
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59 #define NO_CHANGEDISPLAYSETTINGS |
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60 #endif |
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61 #endif |
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62 |
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63 /* The window we use for everything... */ |
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64 #ifdef _WIN32_WCE |
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65 LPWSTR SDL_Appname = NULL; |
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66 #else |
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67 LPSTR SDL_Appname = NULL; |
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68 #endif |
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69 Uint32 SDL_Appstyle = 0; |
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70 HINSTANCE SDL_Instance = NULL; |
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71 HWND SDL_Window = NULL; |
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72 RECT SDL_bounds = {0, 0, 0, 0}; |
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73 int SDL_windowX = 0; |
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74 int SDL_windowY = 0; |
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75 int SDL_resizing = 0; |
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76 int mouse_relative = 0; |
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77 int posted = 0; |
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78 #ifndef NO_CHANGEDISPLAYSETTINGS |
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79 DEVMODE SDL_desktop_mode; |
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80 DEVMODE SDL_fullscreen_mode; |
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81 #endif |
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82 WORD *gamma_saved = NULL; |
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83 |
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84 |
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85 /* Functions called by the message processing function */ |
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86 LONG (*HandleMessage)(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)=NULL; |
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87 void (*WIN_Activate)(_THIS, BOOL active, BOOL iconic); |
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88 void (*WIN_RealizePalette)(_THIS); |
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89 void (*WIN_PaletteChanged)(_THIS, HWND window); |
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90 void (*WIN_WinPAINT)(_THIS, HDC hdc); |
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91 extern void DIB_SwapGamma(_THIS); |
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92 |
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93 #ifndef NO_GETKEYBOARDSTATE |
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94 /* Variables and support functions for SDL_ToUnicode() */ |
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95 static int codepage; |
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96 static int Is9xME(); |
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97 static int GetCodePage(); |
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98 static int WINAPI ToUnicode9xME(UINT vkey, UINT scancode, BYTE *keystate, LPWSTR wchars, int wsize, UINT flags); |
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99 |
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100 ToUnicodeFN SDL_ToUnicode = ToUnicode9xME; |
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101 #endif /* !NO_GETKEYBOARDSTATE */ |
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102 |
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103 |
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104 #if defined(_WIN32_WCE) |
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105 |
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106 // dynamically load aygshell dll because we want SDL to work on HPC and be300 |
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107 HINSTANCE aygshell = NULL; |
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108 BOOL (WINAPI *SHFullScreen)(HWND hwndRequester, DWORD dwState) = 0; |
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109 |
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110 #define SHFS_SHOWTASKBAR 0x0001 |
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111 #define SHFS_HIDETASKBAR 0x0002 |
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112 #define SHFS_SHOWSIPBUTTON 0x0004 |
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113 #define SHFS_HIDESIPBUTTON 0x0008 |
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114 #define SHFS_SHOWSTARTICON 0x0010 |
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115 #define SHFS_HIDESTARTICON 0x0020 |
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116 |
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117 static void LoadAygshell(void) |
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118 { |
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119 if( !aygshell ) |
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120 aygshell = SDL_LoadObject("aygshell.dll"); |
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121 if( (aygshell != 0) && (SHFullScreen == 0) ) |
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122 { |
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123 SHFullScreen = (int (WINAPI *)(struct HWND__ *,unsigned long)) SDL_LoadFunction(aygshell, "SHFullScreen"); |
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124 } |
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125 } |
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126 |
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127 /* for gapi landscape mode */ |
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128 static void GapiTransform(SDL_ScreenOrientation rotate, char hires, Sint16 *x, Sint16 *y) { |
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129 Sint16 rotatedX; |
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130 Sint16 rotatedY; |
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131 |
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132 if (hires) { |
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133 *x = *x * 2; |
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134 *y = *y * 2; |
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135 } |
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136 |
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137 switch(rotate) { |
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138 case SDL_ORIENTATION_UP: |
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139 { |
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140 /* this code needs testing on a real device! |
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141 So it will be enabled later */ |
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142 /* |
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143 #ifdef _WIN32_WCE |
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144 #if _WIN32_WCE >= 420 |
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145 // test device orientation |
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146 // FIXME: do not check every mouse message |
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147 DEVMODE settings; |
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148 SDL_memset(&settings, 0, sizeof(DEVMODE)); |
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149 settings.dmSize = sizeof(DEVMODE); |
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150 settings.dmFields = DM_DISPLAYORIENTATION; |
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151 ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL); |
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152 if( settings.dmOrientation == DMDO_90 ) |
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153 { |
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154 rotatedX = SDL_VideoSurface->h - *x; |
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155 rotatedY = *y; |
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156 *x = rotatedX; |
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157 *y = rotatedY; |
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158 } |
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159 #endif |
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160 #endif */ |
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161 } |
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162 break; |
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163 case SDL_ORIENTATION_RIGHT: |
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164 if (!SDL_VideoSurface) |
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165 break; |
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166 rotatedX = SDL_VideoSurface->w - *y; |
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167 rotatedY = *x; |
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168 *x = rotatedX; |
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169 *y = rotatedY; |
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170 break; |
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171 case SDL_ORIENTATION_LEFT: |
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172 if (!SDL_VideoSurface) |
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173 break; |
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174 rotatedX = *y; |
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175 rotatedY = SDL_VideoSurface->h - *x; |
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176 *x = rotatedX; |
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177 *y = rotatedY; |
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178 break; |
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179 } |
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180 } |
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181 |
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182 #endif |
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183 |
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184 /* JC 14 Mar 2006 |
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185 This is used all over the place, in the windib driver and in the dx5 driver |
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186 So we may as well stick it here instead of having multiple copies scattered |
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187 about |
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188 */ |
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189 void WIN_FlushMessageQueue() |
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190 { |
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191 MSG msg; |
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192 while ( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) ) { |
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193 if ( msg.message == WM_QUIT ) break; |
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194 TranslateMessage( &msg ); |
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195 DispatchMessage( &msg ); |
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196 } |
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197 } |
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198 |
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199 static void SDL_RestoreGameMode(void) |
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200 { |
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201 #ifdef _WIN32_WCE |
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202 SDL_VideoDevice *this = current_video; |
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203 if(SDL_strcmp(this->name, "gapi") == 0) |
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204 { |
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205 if( this->hidden->suspended ) |
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206 { |
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207 this->hidden->suspended = 0; |
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208 } |
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209 } |
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210 #else |
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211 ShowWindow(SDL_Window, SW_RESTORE); |
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212 #endif |
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213 |
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214 #ifndef NO_CHANGEDISPLAYSETTINGS |
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215 #ifndef _WIN32_WCE |
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216 ChangeDisplaySettings(&SDL_fullscreen_mode, CDS_FULLSCREEN); |
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217 #endif |
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218 #endif /* NO_CHANGEDISPLAYSETTINGS */ |
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219 } |
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220 static void SDL_RestoreDesktopMode(void) |
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221 { |
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222 |
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223 #ifdef _WIN32_WCE |
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224 SDL_VideoDevice *this = current_video; |
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225 if(SDL_strcmp(this->name, "gapi") == 0) |
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226 { |
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227 if( !this->hidden->suspended ) |
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228 { |
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229 this->hidden->suspended = 1; |
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230 } |
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231 } |
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232 #else |
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233 /* WinCE does not have a taskbar, so minimizing is not convenient */ |
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234 ShowWindow(SDL_Window, SW_MINIMIZE); |
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235 #endif |
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236 |
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237 #ifndef NO_CHANGEDISPLAYSETTINGS |
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238 #ifndef _WIN32_WCE |
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239 ChangeDisplaySettings(NULL, 0); |
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240 #endif |
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241 #endif /* NO_CHANGEDISPLAYSETTINGS */ |
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242 } |
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243 |
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244 #ifdef WM_MOUSELEAVE |
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245 /* |
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246 Special code to handle mouse leave events - this sucks... |
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247 http://support.microsoft.com/support/kb/articles/q183/1/07.asp |
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248 |
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249 TrackMouseEvent() is only available on Win98 and WinNT. |
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250 _TrackMouseEvent() is available on Win95, but isn't yet in the mingw32 |
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251 development environment, and only works on systems that have had IE 3.0 |
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252 or newer installed on them (which is not the case with the base Win95). |
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253 Therefore, we implement our own version of _TrackMouseEvent() which |
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254 uses our own implementation if TrackMouseEvent() is not available. |
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255 */ |
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256 static BOOL (WINAPI *_TrackMouseEvent)(TRACKMOUSEEVENT *ptme) = NULL; |
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257 |
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258 static VOID CALLBACK |
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259 TrackMouseTimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime) |
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260 { |
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261 RECT rect; |
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262 POINT pt; |
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263 |
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264 GetClientRect(hWnd, &rect); |
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265 MapWindowPoints(hWnd, NULL, (LPPOINT)&rect, 2); |
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266 GetCursorPos(&pt); |
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267 if ( !PtInRect(&rect, pt) || (WindowFromPoint(pt) != hWnd) ) { |
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268 if ( !KillTimer(hWnd, idEvent) ) { |
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269 /* Error killing the timer! */ |
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270 } |
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271 PostMessage(hWnd, WM_MOUSELEAVE, 0, 0); |
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272 } |
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273 } |
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274 static BOOL WINAPI WIN_TrackMouseEvent(TRACKMOUSEEVENT *ptme) |
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275 { |
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276 if ( ptme->dwFlags == TME_LEAVE ) { |
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277 return SetTimer(ptme->hwndTrack, ptme->dwFlags, 100, |
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278 (TIMERPROC)TrackMouseTimerProc) != 0; |
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279 } |
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280 return FALSE; |
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281 } |
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282 #endif /* WM_MOUSELEAVE */ |
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283 |
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284 /* Function to retrieve the current keyboard modifiers */ |
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285 static void WIN_GetKeyboardState(void) |
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286 { |
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287 #ifndef NO_GETKEYBOARDSTATE |
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288 SDLMod state; |
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289 BYTE keyboard[256]; |
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290 Uint8 *kstate = SDL_GetKeyState(NULL); |
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291 |
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292 state = KMOD_NONE; |
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293 if ( GetKeyboardState(keyboard) ) { |
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294 if ( keyboard[VK_LSHIFT] & 0x80) { |
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295 state |= KMOD_LSHIFT; |
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296 kstate[SDLK_LSHIFT] = SDL_PRESSED; |
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297 } |
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298 if ( keyboard[VK_RSHIFT] & 0x80) { |
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299 state |= KMOD_RSHIFT; |
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300 kstate[SDLK_RSHIFT] = SDL_PRESSED; |
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301 } |
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302 if ( keyboard[VK_LCONTROL] & 0x80) { |
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303 state |= KMOD_LCTRL; |
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304 kstate[SDLK_LCTRL] = SDL_PRESSED; |
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305 } |
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306 if ( keyboard[VK_RCONTROL] & 0x80) { |
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307 state |= KMOD_RCTRL; |
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308 kstate[SDLK_RCTRL] = SDL_PRESSED; |
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309 } |
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310 if ( keyboard[VK_LMENU] & 0x80) { |
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311 state |= KMOD_LALT; |
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312 kstate[SDLK_LALT] = SDL_PRESSED; |
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313 } |
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314 if ( keyboard[VK_RMENU] & 0x80) { |
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315 state |= KMOD_RALT; |
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316 kstate[SDLK_RALT] = SDL_PRESSED; |
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317 } |
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318 if ( keyboard[VK_NUMLOCK] & 0x01) { |
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319 state |= KMOD_NUM; |
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320 kstate[SDLK_NUMLOCK] = SDL_PRESSED; |
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321 } |
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322 if ( keyboard[VK_CAPITAL] & 0x01) { |
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323 state |= KMOD_CAPS; |
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324 kstate[SDLK_CAPSLOCK] = SDL_PRESSED; |
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325 } |
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326 } |
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327 SDL_SetModState(state); |
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328 #endif /* !NO_GETKEYBOARDSTATE */ |
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329 } |
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330 |
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331 /* The main Win32 event handler |
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332 DJM: This is no longer static as (DX5/DIB)_CreateWindow needs it |
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333 */ |
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334 LRESULT CALLBACK WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) |
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335 { |
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336 SDL_VideoDevice *this = current_video; |
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337 static int mouse_pressed = 0; |
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338 static int in_window = 0; |
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339 #ifdef WMMSG_DEBUG |
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340 fprintf(stderr, "Received windows message: "); |
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341 if ( msg > MAX_WMMSG ) { |
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342 fprintf(stderr, "%d", msg); |
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343 } else { |
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344 fprintf(stderr, "%s", wmtab[msg]); |
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345 } |
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346 fprintf(stderr, " -- 0x%X, 0x%X\n", wParam, lParam); |
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347 #endif |
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348 switch (msg) { |
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349 |
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350 case WM_ACTIVATE: { |
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351 SDL_VideoDevice *this = current_video; |
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352 BOOL active, minimized; |
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353 Uint8 appstate; |
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354 |
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355 minimized = HIWORD(wParam); |
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356 active = (LOWORD(wParam) != WA_INACTIVE) && !minimized; |
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357 if ( active ) { |
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358 /* Gain the following states */ |
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359 appstate = SDL_APPACTIVE|SDL_APPINPUTFOCUS; |
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360 if ( this->input_grab != SDL_GRAB_OFF ) { |
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361 WIN_GrabInput(this, SDL_GRAB_ON); |
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362 } |
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363 if ( !(SDL_GetAppState()&SDL_APPINPUTFOCUS) ) { |
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364 if ( ! DDRAW_FULLSCREEN() ) { |
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365 DIB_SwapGamma(this); |
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366 } |
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367 if ( WINDIB_FULLSCREEN() ) { |
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368 SDL_RestoreGameMode(); |
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369 } |
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370 } |
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371 #if defined(_WIN32_WCE) |
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372 if ( WINDIB_FULLSCREEN() ) { |
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373 LoadAygshell(); |
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374 if( SHFullScreen ) |
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375 SHFullScreen(SDL_Window, SHFS_HIDESTARTICON|SHFS_HIDETASKBAR|SHFS_HIDESIPBUTTON); |
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376 else |
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377 ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_HIDE); |
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378 } |
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379 #endif |
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380 posted = SDL_PrivateAppActive(1, appstate); |
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381 WIN_GetKeyboardState(); |
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382 } else { |
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383 /* Lose the following states */ |
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384 appstate = SDL_APPINPUTFOCUS; |
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385 if ( minimized ) { |
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386 appstate |= SDL_APPACTIVE; |
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387 } |
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388 if ( this->input_grab != SDL_GRAB_OFF ) { |
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389 WIN_GrabInput(this, SDL_GRAB_OFF); |
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390 } |
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391 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { |
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392 if ( ! DDRAW_FULLSCREEN() ) { |
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393 DIB_SwapGamma(this); |
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394 } |
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395 if ( WINDIB_FULLSCREEN() ) { |
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396 SDL_RestoreDesktopMode(); |
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397 #if defined(_WIN32_WCE) |
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398 LoadAygshell(); |
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399 if( SHFullScreen ) |
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400 SHFullScreen(SDL_Window, SHFS_SHOWSTARTICON|SHFS_SHOWTASKBAR|SHFS_SHOWSIPBUTTON); |
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401 else |
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402 ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_SHOW); |
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403 #endif |
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404 } |
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405 } |
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406 posted = SDL_PrivateAppActive(0, appstate); |
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407 } |
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408 WIN_Activate(this, active, minimized); |
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409 return(0); |
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410 } |
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411 break; |
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412 |
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413 case WM_MOUSEMOVE: { |
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414 |
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415 /* Mouse is handled by DirectInput when fullscreen */ |
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416 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
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417 Sint16 x, y; |
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418 |
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419 /* mouse has entered the window */ |
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420 if ( ! in_window ) { |
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421 #ifdef WM_MOUSELEAVE |
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422 TRACKMOUSEEVENT tme; |
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423 |
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424 tme.cbSize = sizeof(tme); |
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425 tme.dwFlags = TME_LEAVE; |
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426 tme.hwndTrack = SDL_Window; |
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427 _TrackMouseEvent(&tme); |
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428 #endif /* WM_MOUSELEAVE */ |
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429 in_window = TRUE; |
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430 |
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431 posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); |
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432 } |
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433 |
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434 /* mouse has moved within the window */ |
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435 x = LOWORD(lParam); |
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436 y = HIWORD(lParam); |
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437 if ( mouse_relative ) { |
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438 POINT center; |
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439 center.x = (SDL_VideoSurface->w/2); |
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440 center.y = (SDL_VideoSurface->h/2); |
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441 x -= (Sint16)center.x; |
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442 y -= (Sint16)center.y; |
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443 if ( x || y ) { |
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444 ClientToScreen(SDL_Window, ¢er); |
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445 SetCursorPos(center.x, center.y); |
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446 posted = SDL_PrivateMouseMotion(0, 1, x, y); |
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447 } |
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448 } else { |
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449 #ifdef _WIN32_WCE |
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450 if (SDL_VideoSurface) |
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451 GapiTransform(this->hidden->userOrientation, this->hidden->hiresFix, &x, &y); |
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452 #endif |
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453 posted = SDL_PrivateMouseMotion(0, 0, x, y); |
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454 } |
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455 } |
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456 } |
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457 return(0); |
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458 |
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459 #ifdef WM_MOUSELEAVE |
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460 case WM_MOUSELEAVE: { |
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461 |
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462 /* Mouse is handled by DirectInput when fullscreen */ |
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463 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
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464 /* mouse has left the window */ |
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465 /* or */ |
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466 /* Elvis has left the building! */ |
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467 posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); |
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468 } |
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469 in_window = FALSE; |
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470 } |
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471 return(0); |
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472 #endif /* WM_MOUSELEAVE */ |
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473 |
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474 case WM_LBUTTONDOWN: |
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475 case WM_LBUTTONUP: |
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476 case WM_MBUTTONDOWN: |
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477 case WM_MBUTTONUP: |
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478 case WM_RBUTTONDOWN: |
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479 case WM_RBUTTONUP: |
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480 case WM_XBUTTONDOWN: |
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481 case WM_XBUTTONUP: { |
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482 /* Mouse is handled by DirectInput when fullscreen */ |
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483 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
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484 WORD xbuttonval = 0; |
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485 Sint16 x, y; |
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486 Uint8 button, state; |
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487 |
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488 /* DJM: |
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489 We want the SDL window to take focus so that |
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490 it acts like a normal windows "component" |
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491 (e.g. gains keyboard focus on a mouse click). |
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492 */ |
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493 SetFocus(SDL_Window); |
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494 |
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495 /* Figure out which button to use */ |
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496 switch (msg) { |
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497 case WM_LBUTTONDOWN: |
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498 button = SDL_BUTTON_LEFT; |
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499 state = SDL_PRESSED; |
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500 break; |
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501 case WM_LBUTTONUP: |
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502 button = SDL_BUTTON_LEFT; |
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503 state = SDL_RELEASED; |
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504 break; |
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505 case WM_MBUTTONDOWN: |
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506 button = SDL_BUTTON_MIDDLE; |
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507 state = SDL_PRESSED; |
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508 break; |
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509 case WM_MBUTTONUP: |
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510 button = SDL_BUTTON_MIDDLE; |
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511 state = SDL_RELEASED; |
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512 break; |
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513 case WM_RBUTTONDOWN: |
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514 button = SDL_BUTTON_RIGHT; |
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515 state = SDL_PRESSED; |
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516 break; |
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517 case WM_RBUTTONUP: |
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518 button = SDL_BUTTON_RIGHT; |
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519 state = SDL_RELEASED; |
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520 break; |
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521 case WM_XBUTTONDOWN: |
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522 xbuttonval = GET_XBUTTON_WPARAM(wParam); |
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523 button = SDL_BUTTON_X1 + xbuttonval - 1; |
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524 state = SDL_PRESSED; |
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525 break; |
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526 case WM_XBUTTONUP: |
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527 xbuttonval = GET_XBUTTON_WPARAM(wParam); |
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528 button = SDL_BUTTON_X1 + xbuttonval - 1; |
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529 state = SDL_RELEASED; |
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530 break; |
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531 default: |
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532 /* Eh? Unknown button? */ |
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533 return(0); |
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534 } |
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535 if ( state == SDL_PRESSED ) { |
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536 /* Grab mouse so we get up events */ |
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537 if ( ++mouse_pressed > 0 ) { |
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538 SetCapture(hwnd); |
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539 } |
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540 } else { |
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541 /* Release mouse after all up events */ |
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542 if ( --mouse_pressed <= 0 ) { |
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543 ReleaseCapture(); |
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544 mouse_pressed = 0; |
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545 } |
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546 } |
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547 if ( mouse_relative ) { |
|
548 /* RJR: March 28, 2000 |
|
549 report internal mouse position if in relative mode */ |
|
550 x = 0; y = 0; |
|
551 } else { |
|
552 x = (Sint16)LOWORD(lParam); |
|
553 y = (Sint16)HIWORD(lParam); |
|
554 #ifdef _WIN32_WCE |
|
555 if (SDL_VideoSurface) |
|
556 GapiTransform(this->hidden->userOrientation, this->hidden->hiresFix, &x, &y); |
|
557 #endif |
|
558 } |
|
559 posted = SDL_PrivateMouseButton( |
|
560 state, button, x, y); |
|
561 |
|
562 /* |
|
563 * MSDN says: |
|
564 * "Unlike the WM_LBUTTONUP, WM_MBUTTONUP, and WM_RBUTTONUP |
|
565 * messages, an application should return TRUE from [an |
|
566 * XBUTTON message] if it processes it. Doing so will allow |
|
567 * software that simulates this message on Microsoft Windows |
|
568 * systems earlier than Windows 2000 to determine whether |
|
569 * the window procedure processed the message or called |
|
570 * DefWindowProc to process it. |
|
571 */ |
|
572 if (xbuttonval > 0) |
|
573 return(TRUE); |
|
574 } |
|
575 } |
|
576 return(0); |
|
577 |
|
578 |
|
579 #if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400) |
|
580 case WM_MOUSEWHEEL: |
|
581 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
|
582 int move = (short)HIWORD(wParam); |
|
583 if ( move ) { |
|
584 Uint8 button; |
|
585 if ( move > 0 ) |
|
586 button = SDL_BUTTON_WHEELUP; |
|
587 else |
|
588 button = SDL_BUTTON_WHEELDOWN; |
|
589 posted = SDL_PrivateMouseButton( |
|
590 SDL_PRESSED, button, 0, 0); |
|
591 posted |= SDL_PrivateMouseButton( |
|
592 SDL_RELEASED, button, 0, 0); |
|
593 } |
|
594 } |
|
595 return(0); |
|
596 #endif |
|
597 |
|
598 #ifdef WM_GETMINMAXINFO |
|
599 /* This message is sent as a way for us to "check" the values |
|
600 * of a position change. If we don't like it, we can adjust |
|
601 * the values before they are changed. |
|
602 */ |
|
603 case WM_GETMINMAXINFO: { |
|
604 MINMAXINFO *info; |
|
605 RECT size; |
|
606 int x, y; |
|
607 int style; |
|
608 int width; |
|
609 int height; |
|
610 |
|
611 /* We don't want to clobber an internal resize */ |
|
612 if ( SDL_resizing ) |
|
613 return(0); |
|
614 |
|
615 /* We allow resizing with the SDL_RESIZABLE flag */ |
|
616 if ( SDL_PublicSurface && |
|
617 (SDL_PublicSurface->flags & SDL_RESIZABLE) ) { |
|
618 return(0); |
|
619 } |
|
620 |
|
621 /* Get the current position of our window */ |
|
622 GetWindowRect(SDL_Window, &size); |
|
623 x = size.left; |
|
624 y = size.top; |
|
625 |
|
626 /* Calculate current width and height of our window */ |
|
627 size.top = 0; |
|
628 size.left = 0; |
|
629 if ( SDL_PublicSurface != NULL ) { |
|
630 size.bottom = SDL_PublicSurface->h; |
|
631 size.right = SDL_PublicSurface->w; |
|
632 } else { |
|
633 size.bottom = 0; |
|
634 size.right = 0; |
|
635 } |
|
636 |
|
637 /* DJM - according to the docs for GetMenu(), the |
|
638 return value is undefined if hwnd is a child window. |
|
639 Aparently it's too difficult for MS to check |
|
640 inside their function, so I have to do it here. |
|
641 */ |
|
642 style = GetWindowLong(hwnd, GWL_STYLE); |
|
643 AdjustWindowRect( |
|
644 &size, |
|
645 style, |
|
646 style & WS_CHILDWINDOW ? FALSE |
|
647 : GetMenu(hwnd) != NULL); |
|
648 |
|
649 width = size.right - size.left; |
|
650 height = size.bottom - size.top; |
|
651 |
|
652 /* Fix our size to the current size */ |
|
653 info = (MINMAXINFO *)lParam; |
|
654 info->ptMaxSize.x = width; |
|
655 info->ptMaxSize.y = height; |
|
656 info->ptMaxPosition.x = x; |
|
657 info->ptMaxPosition.y = y; |
|
658 info->ptMinTrackSize.x = width; |
|
659 info->ptMinTrackSize.y = height; |
|
660 info->ptMaxTrackSize.x = width; |
|
661 info->ptMaxTrackSize.y = height; |
|
662 } |
|
663 return(0); |
|
664 #endif /* WM_GETMINMAXINFO */ |
|
665 |
|
666 case WM_WINDOWPOSCHANGED: { |
|
667 SDL_VideoDevice *this = current_video; |
|
668 int w, h; |
|
669 |
|
670 GetClientRect(SDL_Window, &SDL_bounds); |
|
671 ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds); |
|
672 ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds+1); |
|
673 if ( !SDL_resizing && !IsZoomed(SDL_Window) && |
|
674 SDL_PublicSurface && |
|
675 !(SDL_PublicSurface->flags & SDL_FULLSCREEN) ) { |
|
676 SDL_windowX = SDL_bounds.left; |
|
677 SDL_windowY = SDL_bounds.top; |
|
678 } |
|
679 w = SDL_bounds.right-SDL_bounds.left; |
|
680 h = SDL_bounds.bottom-SDL_bounds.top; |
|
681 if ( this->input_grab != SDL_GRAB_OFF ) { |
|
682 ClipCursor(&SDL_bounds); |
|
683 } |
|
684 if ( SDL_PublicSurface && |
|
685 (SDL_PublicSurface->flags & SDL_RESIZABLE) ) { |
|
686 SDL_PrivateResize(w, h); |
|
687 } |
|
688 } |
|
689 break; |
|
690 |
|
691 /* We need to set the cursor */ |
|
692 case WM_SETCURSOR: { |
|
693 Uint16 hittest; |
|
694 |
|
695 hittest = LOWORD(lParam); |
|
696 if ( hittest == HTCLIENT ) { |
|
697 SetCursor(SDL_hcursor); |
|
698 return(TRUE); |
|
699 } |
|
700 } |
|
701 break; |
|
702 |
|
703 /* We are about to get palette focus! */ |
|
704 case WM_QUERYNEWPALETTE: { |
|
705 WIN_RealizePalette(current_video); |
|
706 return(TRUE); |
|
707 } |
|
708 break; |
|
709 |
|
710 /* Another application changed the palette */ |
|
711 case WM_PALETTECHANGED: { |
|
712 WIN_PaletteChanged(current_video, (HWND)wParam); |
|
713 } |
|
714 break; |
|
715 |
|
716 /* We were occluded, refresh our display */ |
|
717 case WM_PAINT: { |
|
718 HDC hdc; |
|
719 PAINTSTRUCT ps; |
|
720 |
|
721 hdc = BeginPaint(SDL_Window, &ps); |
|
722 if ( current_video->screen && |
|
723 !(current_video->screen->flags & SDL_OPENGL) ) { |
|
724 WIN_WinPAINT(current_video, hdc); |
|
725 } |
|
726 EndPaint(SDL_Window, &ps); |
|
727 } |
|
728 return(0); |
|
729 |
|
730 /* DJM: Send an expose event in this case */ |
|
731 case WM_ERASEBKGND: { |
|
732 posted = SDL_PrivateExpose(); |
|
733 } |
|
734 return(0); |
|
735 |
|
736 case WM_CLOSE: { |
|
737 if ( (posted = SDL_PrivateQuit()) ) |
|
738 PostQuitMessage(0); |
|
739 } |
|
740 return(0); |
|
741 |
|
742 case WM_DESTROY: { |
|
743 PostQuitMessage(0); |
|
744 } |
|
745 return(0); |
|
746 |
|
747 #ifndef NO_GETKEYBOARDSTATE |
|
748 case WM_INPUTLANGCHANGE: { |
|
749 codepage = GetCodePage(); |
|
750 } |
|
751 return(TRUE); |
|
752 #endif |
|
753 |
|
754 default: { |
|
755 /* Special handling by the video driver */ |
|
756 if (HandleMessage) { |
|
757 return(HandleMessage(current_video, |
|
758 hwnd, msg, wParam, lParam)); |
|
759 } |
|
760 } |
|
761 break; |
|
762 } |
|
763 return(DefWindowProc(hwnd, msg, wParam, lParam)); |
|
764 } |
|
765 |
|
766 /* Allow the application handle to be stored and retrieved later */ |
|
767 static void *SDL_handle = NULL; |
|
768 |
|
769 void SDL_SetModuleHandle(void *handle) |
|
770 { |
|
771 SDL_handle = handle; |
|
772 } |
|
773 void *SDL_GetModuleHandle(void) |
|
774 { |
|
775 void *handle; |
|
776 |
|
777 if ( SDL_handle ) { |
|
778 handle = SDL_handle; |
|
779 } else { |
|
780 handle = GetModuleHandle(NULL); |
|
781 } |
|
782 return(handle); |
|
783 } |
|
784 |
|
785 /* This allows the SDL_WINDOWID hack */ |
|
786 BOOL SDL_windowid = FALSE; |
|
787 |
|
788 static int app_registered = 0; |
|
789 |
|
790 /* Register the class for this application -- exported for winmain.c */ |
|
791 int SDL_RegisterApp(char *name, Uint32 style, void *hInst) |
|
792 { |
|
793 WNDCLASS class; |
|
794 #ifdef WM_MOUSELEAVE |
|
795 HMODULE handle; |
|
796 #endif |
|
797 |
|
798 /* Only do this once... */ |
|
799 if ( app_registered ) { |
|
800 ++app_registered; |
|
801 return(0); |
|
802 } |
|
803 |
|
804 #ifndef CS_BYTEALIGNCLIENT |
|
805 #define CS_BYTEALIGNCLIENT 0 |
|
806 #endif |
|
807 if ( ! name && ! SDL_Appname ) { |
|
808 name = "SDL_app"; |
|
809 SDL_Appstyle = CS_BYTEALIGNCLIENT; |
|
810 SDL_Instance = hInst ? hInst : SDL_GetModuleHandle(); |
|
811 } |
|
812 |
|
813 if ( name ) { |
|
814 #ifdef _WIN32_WCE |
|
815 /* WinCE uses the UNICODE version */ |
|
816 SDL_Appname = SDL_iconv_utf8_ucs2(name); |
|
817 #else |
|
818 SDL_Appname = SDL_iconv_utf8_locale(name); |
|
819 #endif /* _WIN32_WCE */ |
|
820 SDL_Appstyle = style; |
|
821 SDL_Instance = hInst ? hInst : SDL_GetModuleHandle(); |
|
822 } |
|
823 |
|
824 /* Register the application class */ |
|
825 class.hCursor = NULL; |
|
826 class.hIcon = LoadImage(SDL_Instance, SDL_Appname, |
|
827 IMAGE_ICON, |
|
828 0, 0, LR_DEFAULTCOLOR); |
|
829 class.lpszMenuName = NULL; |
|
830 class.lpszClassName = SDL_Appname; |
|
831 class.hbrBackground = NULL; |
|
832 class.hInstance = SDL_Instance; |
|
833 class.style = SDL_Appstyle; |
|
834 #if SDL_VIDEO_OPENGL |
|
835 class.style |= CS_OWNDC; |
|
836 #endif |
|
837 class.lpfnWndProc = WinMessage; |
|
838 class.cbWndExtra = 0; |
|
839 class.cbClsExtra = 0; |
|
840 if ( ! RegisterClass(&class) ) { |
|
841 SDL_SetError("Couldn't register application class"); |
|
842 return(-1); |
|
843 } |
|
844 |
|
845 #ifdef WM_MOUSELEAVE |
|
846 /* Get the version of TrackMouseEvent() we use */ |
|
847 _TrackMouseEvent = NULL; |
|
848 handle = GetModuleHandle("USER32.DLL"); |
|
849 if ( handle ) { |
|
850 _TrackMouseEvent = (BOOL (WINAPI *)(TRACKMOUSEEVENT *))GetProcAddress(handle, "TrackMouseEvent"); |
|
851 } |
|
852 if ( _TrackMouseEvent == NULL ) { |
|
853 _TrackMouseEvent = WIN_TrackMouseEvent; |
|
854 } |
|
855 #endif /* WM_MOUSELEAVE */ |
|
856 |
|
857 #ifndef NO_GETKEYBOARDSTATE |
|
858 /* Initialise variables for SDL_ToUnicode() */ |
|
859 codepage = GetCodePage(); |
|
860 SDL_ToUnicode = Is9xME() ? ToUnicode9xME : ToUnicode; |
|
861 #endif |
|
862 |
|
863 app_registered = 1; |
|
864 return(0); |
|
865 } |
|
866 |
|
867 /* Unregisters the windowclass registered in SDL_RegisterApp above. */ |
|
868 void SDL_UnregisterApp() |
|
869 { |
|
870 WNDCLASS class; |
|
871 |
|
872 /* SDL_RegisterApp might not have been called before */ |
|
873 if ( !app_registered ) { |
|
874 return; |
|
875 } |
|
876 --app_registered; |
|
877 if ( app_registered == 0 ) { |
|
878 /* Check for any registered window classes. */ |
|
879 if ( GetClassInfo(SDL_Instance, SDL_Appname, &class) ) { |
|
880 UnregisterClass(SDL_Appname, SDL_Instance); |
|
881 } |
|
882 SDL_free(SDL_Appname); |
|
883 SDL_Appname = NULL; |
|
884 } |
|
885 } |
|
886 |
|
887 #ifndef NO_GETKEYBOARDSTATE |
|
888 /* JFP: Implementation of ToUnicode() that works on 9x/ME/2K/XP */ |
|
889 |
|
890 static int Is9xME() |
|
891 { |
|
892 OSVERSIONINFO info; |
|
893 |
|
894 SDL_memset(&info, 0, sizeof(info)); |
|
895 info.dwOSVersionInfoSize = sizeof(info); |
|
896 if (!GetVersionEx(&info)) { |
|
897 return 0; |
|
898 } |
|
899 return (info.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS); |
|
900 } |
|
901 |
|
902 static int GetCodePage() |
|
903 { |
|
904 char buff[8]; |
|
905 int lcid = MAKELCID(LOWORD(GetKeyboardLayout(0)), SORT_DEFAULT); |
|
906 int cp = GetACP(); |
|
907 |
|
908 if (GetLocaleInfo(lcid, LOCALE_IDEFAULTANSICODEPAGE, buff, sizeof(buff))) { |
|
909 cp = SDL_atoi(buff); |
|
910 } |
|
911 return cp; |
|
912 } |
|
913 |
|
914 static int WINAPI ToUnicode9xME(UINT vkey, UINT scancode, PBYTE keystate, LPWSTR wchars, int wsize, UINT flags) |
|
915 { |
|
916 BYTE chars[2]; |
|
917 |
|
918 if (ToAsciiEx(vkey, scancode, keystate, (WORD*)chars, 0, GetKeyboardLayout(0)) == 1) { |
|
919 return MultiByteToWideChar(codepage, 0, chars, 1, wchars, wsize); |
|
920 } |
|
921 return 0; |
|
922 } |
|
923 |
|
924 #endif /* !NO_GETKEYBOARDSTATE */ |