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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #ifndef _SDL_BWin_h
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29 #define _SDL_BWin_h
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30
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31 #include <stdio.h>
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32 #include <AppKit.h>
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33 #include <InterfaceKit.h>
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34 #include <be/game/DirectWindow.h>
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35 #ifdef HAVE_OPENGL
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36 #include <be/opengl/GLView.h>
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37 #endif
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38
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39 #include "SDL_BeApp.h"
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40 #include "SDL_events.h"
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41 #include "SDL_BView.h"
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42
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43 extern "C" {
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44 #include "SDL_events_c.h"
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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 the_view = NULL;
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53 #ifdef HAVE_OPENGL
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54 SDL_GLView = NULL;
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55 #endif
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56 SDL_View = NULL;
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57 Unlock();
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58 shown = false;
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59 inhibit_resize = false;
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60 }
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61 virtual ~SDL_BWin() {
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62 Lock();
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63 if ( the_view ) {
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64 #ifdef HAVE_OPENGL
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65 if ( the_view == SDL_GLView ) {
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66 SDL_GLView->UnlockGL();
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67 }
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68 #endif
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69 RemoveChild(the_view);
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70 the_view = NULL;
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71 }
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72 Unlock();
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73 #ifdef HAVE_OPENGL
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74 if ( SDL_GLView ) {
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75 delete SDL_GLView;
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76 }
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77 #endif
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78 if ( SDL_View ) {
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79 delete SDL_View;
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80 }
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81 }
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82
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83 /* Override the Show() method so we can tell when we've been shown */
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84 virtual void Show(void) {
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85 BWindow::Show();
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86 shown = true;
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87 }
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88 virtual bool Shown(void) {
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89 return (shown);
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90 }
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91 /* If called, the next resize event will not be forwarded to SDL. */
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92 virtual void InhibitResize(void) {
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93 inhibit_resize=true;
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94 }
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95 /* Handle resizing of the window */
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96 virtual void FrameResized(float width, float height) {
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97 if(inhibit_resize)
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98 inhibit_resize = false;
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99 else
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100 SDL_PrivateResize((int)width, (int)height);
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101 }
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102 virtual int CreateView(Uint32 flags) {
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103 int retval;
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104
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105 retval = 0;
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106 Lock();
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107 if ( flags & SDL_OPENGL ) {
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108 #ifdef HAVE_OPENGL
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109 if ( SDL_GLView == NULL ) {
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110 /* FIXME: choose BGL type via user flags */
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111 SDL_GLView = new BGLView(Bounds(), "SDL GLView",
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112 B_FOLLOW_ALL_SIDES,
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113 (B_WILL_DRAW|B_FRAME_EVENTS),
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114 (BGL_RGB|BGL_DOUBLE|BGL_DEPTH));
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115 }
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116 if ( the_view != SDL_GLView ) {
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117 if ( the_view ) {
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118 RemoveChild(the_view);
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119 }
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120 AddChild(SDL_GLView);
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121 SDL_GLView->LockGL();
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122 the_view = SDL_GLView;
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123 }
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124 #else
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125 SDL_SetError("OpenGL support not enabled");
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126 retval = -1;
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127 #endif
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128 } else {
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129 if ( SDL_View == NULL ) {
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130 SDL_View = new SDL_BView(Bounds());
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131 }
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132 if ( the_view != SDL_View ) {
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133 if ( the_view ) {
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134 #ifdef HAVE_OPENGL
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135 if ( the_view == SDL_GLView ) {
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136 SDL_GLView->UnlockGL();
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137 }
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138 #endif
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139 RemoveChild(the_view);
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140 }
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141 AddChild(SDL_View);
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142 the_view = SDL_View;
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143 }
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144 }
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145 Unlock();
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146 return(retval);
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147 }
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148 virtual void SetBitmap(BBitmap *bitmap) {
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149 SDL_View->SetBitmap(bitmap);
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150 }
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151 virtual void SetXYOffset(int x, int y) {
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152 #ifdef HAVE_OPENGL
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153 if ( the_view == SDL_GLView ) {
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154 return;
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155 }
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156 #endif
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157 SDL_View->SetXYOffset(x, y);
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158 }
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159 virtual bool BeginDraw(void) {
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160 return(Lock());
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161 }
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162 virtual void DrawAsync(BRect updateRect) {
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163 SDL_View->DrawAsync(updateRect);
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164 }
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165 virtual void EndDraw(void) {
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166 SDL_View->Sync();
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167 Unlock();
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168 }
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169 #ifdef HAVE_OPENGL
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170 virtual void SwapBuffers(void) {
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171 SDL_GLView->UnlockGL();
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172 SDL_GLView->LockGL();
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173 SDL_GLView->SwapBuffers();
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174 }
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175 #endif
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176 virtual BView *View(void) {
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177 return(the_view);
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178 }
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179
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180 /* Hook functions -- overridden */
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181 virtual void Minimize(bool minimize) {
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182 /* This is only called when mimimized, not when restored */
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183 //SDL_PrivateAppActive(minimize, SDL_APPACTIVE);
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184 BWindow::Minimize(minimize);
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185 }
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186 virtual void WindowActivated(bool active) {
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187 SDL_PrivateAppActive(active, SDL_APPINPUTFOCUS);
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188 }
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189 virtual bool QuitRequested(void) {
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190 if ( SDL_BeAppActive > 0 ) {
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191 SDL_PrivateQuit();
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192 /* We don't ever actually close the window here because
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193 the application should respond to the quit request,
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194 or ignore it as desired.
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195 */
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196 return(false);
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197 }
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198 return(true); /* Close the app window */
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199 }
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200
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201 private:
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202 #ifdef HAVE_OPENGL
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203 BGLView *SDL_GLView;
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204 #endif
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205 SDL_BView *SDL_View;
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206 BView *the_view;
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207
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208 bool shown;
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209 bool inhibit_resize;
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210 };
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211
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212 #endif /* _SDL_BWin_h */
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