annotate src/video/bwindow/SDL_BWin.h @ 4170:092c0bc69155 SDL-1.2

Fixed bug #618 Description From Tim Angus 2008-08-30 12:23:56 (-) [reply] As we all know SDL 1.2 doesn't handle dead keys well since one key press potentially equals two (or more) characters. For example, on many layouts, keying <backquote>,<space> results in <no character>,<backquote><space>. Since the unicode member of the SDL_keysym struct only has room for one character, only one can be returned. On Linux, the first character is returned. On Windows however, unless the exact number of characters generated by the keypress is 1, nothing is returned. The following patch addresses this inconsistency. Updated patch which includes a further fix to the handling of the numpad when numlock is on. This further fix is courtesy Amanieu d'Antras.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 13 Apr 2009 08:42:09 +0000
parents a1b03ba2fcd0
children 0620847bf1a8
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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
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23 #ifndef _SDL_BWin_h
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24 #define _SDL_BWin_h
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25
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26 #include "SDL_config.h"
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27
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28 #include <stdio.h>
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29 #include <AppKit.h>
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30 #include <InterfaceKit.h>
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31 #include <be/game/DirectWindow.h>
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32 #if SDL_VIDEO_OPENGL
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33 #include <be/opengl/GLView.h>
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34 #endif
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35 #include <support/UTF8.h>
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36
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37 #include "../../main/beos/SDL_BeApp.h"
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38 #include "SDL_events.h"
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39 #include "SDL_BView.h"
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40
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41 extern "C" {
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42 #include "../../events/SDL_events_c.h"
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43
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44 extern int mouse_relative;
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45 };
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46
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47 class SDL_BWin : public BDirectWindow
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48 {
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49 public:
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50 SDL_BWin(BRect bounds) :
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51 BDirectWindow(bounds, "Untitled", B_TITLED_WINDOW, 0) {
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52 last_buttons = 0;
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53 the_view = NULL;
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54 #if SDL_VIDEO_OPENGL
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55 SDL_GLView = NULL;
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56 #endif
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57 SDL_View = NULL;
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58 Unlock();
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59 shown = false;
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60 inhibit_resize = false;
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61 }
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62
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63 virtual ~SDL_BWin() {
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64 Lock();
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65 if ( the_view ) {
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66 #if SDL_VIDEO_OPENGL
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67 if ( the_view == SDL_GLView ) {
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68 SDL_GLView->UnlockGL();
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69 }
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70 #endif
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71 RemoveChild(the_view);
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72 the_view = NULL;
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73 }
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74 Unlock();
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75 #if SDL_VIDEO_OPENGL
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76 if ( SDL_GLView ) {
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77 delete SDL_GLView;
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78 }
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79 #endif
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80 if ( SDL_View ) {
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81 delete SDL_View;
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82 }
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83 }
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84
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85
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86 /* Override the Show() method so we can tell when we've been shown */
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87 virtual void Show(void) {
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88 BWindow::Show();
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89 shown = true;
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90 }
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91 virtual bool Shown(void) {
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92 return (shown);
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93 }
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94 /* If called, the next resize event will not be forwarded to SDL. */
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95 virtual void InhibitResize(void) {
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96 inhibit_resize=true;
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97 }
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98 /* Handle resizing of the window */
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99 virtual void FrameResized(float width, float height) {
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100 if(inhibit_resize)
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101 inhibit_resize = false;
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102 else
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103 SDL_PrivateResize((int)width, (int)height);
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104 }
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105 virtual int CreateView(Uint32 flags, Uint32 gl_flags) {
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106 int retval;
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107
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108 retval = 0;
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109 Lock();
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110 if ( flags & SDL_OPENGL ) {
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111 #if SDL_VIDEO_OPENGL
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112 if ( SDL_GLView == NULL ) {
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113 SDL_GLView = new BGLView(Bounds(), "SDL GLView",
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114 B_FOLLOW_ALL_SIDES, (B_WILL_DRAW|B_FRAME_EVENTS),
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115 gl_flags);
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116 SDL_GLView->EnableDirectMode(true);
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117 }
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118 if ( the_view != SDL_GLView ) {
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119 if ( the_view ) {
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120 RemoveChild(the_view);
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121 }
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122 AddChild(SDL_GLView);
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123 SDL_GLView->LockGL();
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124 the_view = SDL_GLView;
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125 }
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126 #else
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127 SDL_SetError("OpenGL support not enabled");
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128 retval = -1;
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129 #endif
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130 } else {
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131 if ( SDL_View == NULL ) {
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132 SDL_View = new SDL_BView(Bounds());
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133 }
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134 if ( the_view != SDL_View ) {
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135 if ( the_view ) {
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136 #if SDL_VIDEO_OPENGL
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137 if ( the_view == SDL_GLView ) {
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138 SDL_GLView->UnlockGL();
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139 }
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140 #endif
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141 RemoveChild(the_view);
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142 }
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143 AddChild(SDL_View);
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144 the_view = SDL_View;
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145 }
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146 }
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147 Unlock();
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148 return(retval);
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149 }
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150 virtual void SetBitmap(BBitmap *bitmap) {
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151 SDL_View->SetBitmap(bitmap);
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152 }
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153 virtual void SetXYOffset(int x, int y) {
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154 #if SDL_VIDEO_OPENGL
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155 if ( the_view == SDL_GLView ) {
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156 return;
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157 }
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158 #endif
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159 SDL_View->SetXYOffset(x, y);
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160 }
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161 virtual void GetXYOffset(int &x, int &y) {
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162 #if SDL_VIDEO_OPENGL
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163 if ( the_view == SDL_GLView ) {
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164 x = 0;
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165 y = 0;
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166 return;
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167 }
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168 #endif
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169 SDL_View->GetXYOffset(x, y);
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170 }
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171 virtual void GetXYOffset(float &x, float &y) {
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172 #if SDL_VIDEO_OPENGL
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173 if ( the_view == SDL_GLView ) {
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174 x = 0.0f;
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175 y = 0.0f;
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176 return;
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177 }
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178 #endif
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179 SDL_View->GetXYOffset(x, y);
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180 }
0
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181 virtual bool BeginDraw(void) {
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182 return(Lock());
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183 }
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184 virtual void DrawAsync(BRect updateRect) {
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185 SDL_View->DrawAsync(updateRect);
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186 }
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187 virtual void EndDraw(void) {
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188 SDL_View->Sync();
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189 Unlock();
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190 }
1361
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191 #if SDL_VIDEO_OPENGL
0
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192 virtual void SwapBuffers(void) {
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193 SDL_GLView->UnlockGL();
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194 SDL_GLView->LockGL();
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195 SDL_GLView->SwapBuffers();
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196 }
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197 #endif
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198 virtual BView *View(void) {
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199 return(the_view);
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200 }
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201
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202 /* Hook functions -- overridden */
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203 virtual void Minimize(bool minimize) {
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204 /* This is only called when mimimized, not when restored */
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205 //SDL_PrivateAppActive(minimize, SDL_APPACTIVE);
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206 BWindow::Minimize(minimize);
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207 }
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208 virtual void WindowActivated(bool active) {
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209 SDL_PrivateAppActive(active, SDL_APPINPUTFOCUS);
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210 }
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211 virtual bool QuitRequested(void) {
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212 if ( SDL_BeAppActive > 0 ) {
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213 SDL_PrivateQuit();
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214 /* We don't ever actually close the window here because
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215 the application should respond to the quit request,
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216 or ignore it as desired.
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217 */
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218 return(false);
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219 }
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220 return(true); /* Close the app window */
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221 }
906
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222 virtual void Quit() {
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223 if (!IsLocked())
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224 Lock();
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225 BDirectWindow::Quit();
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226 }
0
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227
907
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228 virtual int16 Translate2Unicode(const char *buf) {
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229 int32 state, srclen, dstlen;
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230 unsigned char destbuf[2];
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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231 Uint16 unicode = 0;
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232
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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233 if ((uchar)buf[0] > 127) {
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234 state = 0;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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235 srclen = SDL_strlen(buf);
907
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236 dstlen = sizeof(destbuf);
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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237 convert_from_utf8(B_UNICODE_CONVERSION, buf, &srclen, (char *)destbuf, &dstlen, &state);
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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238 unicode = destbuf[0];
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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239 unicode <<= 8;
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240 unicode |= destbuf[1];
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241 } else
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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242 unicode = buf[0];
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diff changeset
243
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
244 /* For some reason function keys map to control characters */
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245 # define CTRL(X) ((X)-'@')
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246 switch (unicode) {
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
247 case CTRL('A'):
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
248 case CTRL('B'):
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
249 case CTRL('C'):
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
Sam Lantinga <slouken@libsdl.org>
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diff changeset
250 case CTRL('D'):
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
Sam Lantinga <slouken@libsdl.org>
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diff changeset
251 case CTRL('E'):
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 906
diff changeset
252 case CTRL('K'):
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 906
diff changeset
253 case CTRL('L'):
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
Sam Lantinga <slouken@libsdl.org>
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diff changeset
254 case CTRL('P'):
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
255 if ( ! (SDL_GetModState() & KMOD_CTRL) )
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
256 unicode = 0;
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
Sam Lantinga <slouken@libsdl.org>
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diff changeset
257 break;
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
258 /* Keyboard input maps newline to carriage return */
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
259 case '\n':
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
260 unicode = '\r';
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
261 break;
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
262 default:
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
263 break;
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 906
diff changeset
264 }
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
Sam Lantinga <slouken@libsdl.org>
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diff changeset
265
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
Sam Lantinga <slouken@libsdl.org>
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diff changeset
266 return unicode;
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
267 }
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
268
3878
678576473849 Fixed bug #286
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parents: 1614
diff changeset
269 virtual void DispatchMessage(BMessage *msg, BHandler *target);
907
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270
0
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271 private:
1361
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parents: 1336
diff changeset
272 #if SDL_VIDEO_OPENGL
0
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273 BGLView *SDL_GLView;
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diff changeset
274 #endif
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275 SDL_BView *SDL_View;
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276 BView *the_view;
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diff changeset
277 bool shown;
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diff changeset
278 bool inhibit_resize;
907
3bd4d7a1ee04 Date: Mon, 21 Jun 2004 16:52:47 +0200
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diff changeset
279 int32 last_buttons;
0
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parents:
diff changeset
280 };
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281
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diff changeset
282 #endif /* _SDL_BWin_h */