Mercurial > sdl-ios-xcode
annotate src/video/qtopia/SDL_QWin.cc @ 4066:58a5055da431 SDL-1.2
More improvements for bug #373
Show the SDL cursor in the window and the arrow cursor outside the window.
This is also supposed to show the SDL cursor when activated, but that code
isn't working yet...
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 14 Jul 2007 08:27:06 +0000 |
| parents | 376665398b25 |
| children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
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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 #include "SDL_QWin.h" |
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25 #include <qapplication.h> |
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26 #include <qdirectpainter_qws.h> |
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27 |
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28 screenRotationT screenRotation = SDL_QT_NO_ROTATION; |
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29 |
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30 SDL_QWin::SDL_QWin(const QSize& size) |
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31 : QWidget(0, "SDL_main"), my_painter(0), my_image(0), |
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32 my_inhibit_resize(false), my_mouse_pos(-1,-1), my_flags(0), |
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33 my_has_fullscreen(false), my_locked(0) |
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34 { |
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35 setBackgroundMode(NoBackground); |
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36 } |
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37 |
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38 SDL_QWin::~SDL_QWin() { |
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39 // Nothing to do yet. |
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40 if(my_image) { |
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41 delete my_image; |
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42 } |
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43 } |
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44 |
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45 void SDL_QWin::setImage(QImage *image) { |
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46 if ( my_image ) { |
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47 delete my_image; |
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48 } |
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49 my_image = image; |
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50 // setFixedSize(image->size()); |
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51 } |
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52 |
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53 void SDL_QWin::resizeEvent(QResizeEvent *e) { |
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54 if(size() != qApp->desktop()->size()) { |
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55 // Widget is not the correct size, so do the fullscreen magic |
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56 my_has_fullscreen = false; |
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57 enableFullscreen(); |
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58 } |
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59 if(my_inhibit_resize) { |
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60 my_inhibit_resize = false; |
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61 } else { |
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62 SDL_PrivateResize(e->size().width(), e->size().height()); |
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63 } |
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64 } |
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65 |
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66 void SDL_QWin::focusInEvent(QFocusEvent *) { |
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67 // Always do it here, no matter the size. |
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68 enableFullscreen(); |
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69 SDL_PrivateAppActive(true, SDL_APPINPUTFOCUS); |
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70 } |
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71 |
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72 void SDL_QWin::focusOutEvent(QFocusEvent *) { |
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73 my_has_fullscreen = false; |
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74 SDL_PrivateAppActive(false, SDL_APPINPUTFOCUS); |
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75 } |
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76 |
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77 void SDL_QWin::closeEvent(QCloseEvent *e) { |
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78 SDL_PrivateQuit(); |
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79 e->ignore(); |
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80 } |
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81 |
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82 void SDL_QWin::setMousePos(const QPoint &pos) { |
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83 if(my_image->width() == height()) { |
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84 if (screenRotation == SDL_QT_ROTATION_90) |
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85 my_mouse_pos = QPoint(height()-pos.y(), pos.x()); |
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86 else if (screenRotation == SDL_QT_ROTATION_270) |
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87 my_mouse_pos = QPoint(pos.y(), width()-pos.x()); |
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88 } else { |
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89 my_mouse_pos = pos; |
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90 } |
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91 } |
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92 |
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93 void SDL_QWin::mouseMoveEvent(QMouseEvent *e) { |
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94 Qt::ButtonState button = e->button(); |
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95 int sdlstate = 0; |
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96 if( (button & Qt::LeftButton)) { |
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97 sdlstate |= SDL_BUTTON_LMASK; |
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98 } |
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99 if( (button & Qt::RightButton)) { |
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100 sdlstate |= SDL_BUTTON_RMASK; |
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101 } |
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102 if( (button & Qt::MidButton)) { |
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103 sdlstate |= SDL_BUTTON_MMASK; |
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104 } |
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105 setMousePos(e->pos()); |
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106 SDL_PrivateMouseMotion(sdlstate, 0, my_mouse_pos.x(), my_mouse_pos.y()); |
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107 } |
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108 |
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109 void SDL_QWin::mousePressEvent(QMouseEvent *e) { |
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110 mouseMoveEvent(e); |
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111 Qt::ButtonState button = e->button(); |
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112 SDL_PrivateMouseButton(SDL_PRESSED, |
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113 (button & Qt::LeftButton) ? 1 : |
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114 ((button & Qt::RightButton) ? 2 : 3), |
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115 my_mouse_pos.x(), my_mouse_pos.y()); |
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116 } |
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117 |
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118 void SDL_QWin::mouseReleaseEvent(QMouseEvent *e) { |
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119 setMousePos(e->pos()); |
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120 Qt::ButtonState button = e->button(); |
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121 SDL_PrivateMouseButton(SDL_RELEASED, |
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122 (button & Qt::LeftButton) ? 1 : |
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123 ((button & Qt::RightButton) ? 2 : 3), |
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124 my_mouse_pos.x(), my_mouse_pos.y()); |
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125 my_mouse_pos = QPoint(-1, -1); |
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126 } |
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127 |
| 567 | 128 static inline void |
| 129 gs_fastRotateBlit_3 ( unsigned short *fb, | |
| 130 unsigned short *bits, | |
| 131 const QRect& rect ) | |
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132 { |
| 567 | 133 // FIXME: this only works correctly for 240x320 displays |
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134 int startx, starty; |
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135 int width, height; |
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136 |
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137 startx = rect.left() >> 1; |
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138 starty = rect.top() >> 1; |
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139 width = ((rect.right() - rect.left()) >> 1) + 2; |
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140 height = ((rect.bottom() - rect.top()) >> 1) + 2; |
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141 |
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142 if((startx+width) > 120) { |
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143 width = 120 - startx; // avoid horizontal overflow |
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144 } |
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145 if((starty+height) > 160) { |
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146 height = 160 - starty; // avoid vertical overflow |
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147 } |
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148 |
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149 ulong *sp1, *sp2, *dp1, *dp2; |
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150 ulong stop, sbot, dtop, dbot; |
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151 |
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152 sp1 = (ulong*)bits + startx + starty*240; |
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153 sp2 = sp1 + 120; |
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154 dp1 = (ulong *)fb + (159 - starty) + startx*320; |
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155 dp2 = dp1 + 160; |
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156 int rowadd = (-320*width) - 1; |
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157 int rowadd2 = 240 - width; |
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158 // transfer in cells of 2x2 pixels in words |
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159 for (int y=0; y<height; y++) { |
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160 for (int x=0; x<width; x++) { |
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161 // read source pixels |
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162 stop = *sp1; |
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163 sbot = *sp2; |
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164 // rotate pixels |
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165 dtop = (sbot & 0xffff) + ((stop & 0xffff)<<16); |
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166 dbot = ((sbot & 0xffff0000)>>16) + (stop & 0xffff0000); |
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167 // write to framebuffer |
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168 *dp1 = dtop; |
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169 *dp2 = dbot; |
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170 // update source ptrs |
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171 sp1++; sp2++; |
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172 // update dest ptrs - 2 pix at a time |
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173 dp1 += 320; |
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174 dp2 += 320; |
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175 } |
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176 // adjust src ptrs - skip a row as we work in pairs |
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177 sp1 += rowadd2; |
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178 sp2 += rowadd2; |
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179 // adjust dest ptrs for rotation |
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180 dp1 += rowadd; |
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181 dp2 += rowadd; |
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182 } |
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183 } |
| 567 | 184 |
| 185 static inline void | |
| 186 gs_fastRotateBlit_1 ( unsigned short *fb, | |
| 187 unsigned short *bits, | |
| 188 const QRect& rect ) { | |
| 189 // FIXME: this only works correctly for 240x320 displays | |
| 190 int startx, starty; | |
| 191 int width, height; | |
| 192 | |
| 193 startx = rect.left() >> 1; | |
| 194 starty = rect.top() >> 1; | |
| 195 width = ((rect.right() - rect.left()) >> 1) + 2; | |
| 196 height = ((rect.bottom() - rect.top()) >> 1) + 2; | |
| 197 | |
| 198 if((startx+width) > 120) { | |
| 199 width = 120 - startx; // avoid horizontal overflow | |
| 200 } | |
| 201 if((starty+height) > 160) { | |
| 202 height = 160 - starty; // avoid vertical overflow | |
| 203 } | |
| 204 | |
| 205 ulong *sp1, *sp2, *dp1, *dp2; | |
| 206 ulong stop, sbot, dtop, dbot; | |
| 207 fb += 320*239; // Move "fb" to top left corner | |
| 208 sp1 = (ulong*)bits + startx + starty*240; | |
| 209 sp2 = sp1 + 120; | |
| 210 dp1 = (ulong*)fb - startx * 320 - starty; | |
| 211 dp2 = dp1 - 160; | |
| 212 int rowadd = (320*width) + 1; | |
| 213 int rowadd2 = 240 - width; | |
| 214 // transfer in cells of 2x2 pixels in words | |
| 215 for (int y=0; y<height; y++) { | |
| 216 for (int x=0; x<width; x++) { | |
| 217 // read | |
| 218 stop = *sp1; | |
| 219 sbot = *sp2; | |
| 220 // rotate | |
| 221 dtop = (stop & 0xffff) + ((sbot & 0xffff)<<16); | |
| 222 dbot = ((stop & 0xffff0000)>>16) + (sbot & 0xffff0000); | |
| 223 // write | |
| 224 *dp1 = dtop; | |
| 225 *dp2 = dbot; | |
| 226 // update source ptrs | |
| 227 sp1++; sp2++; | |
| 228 // update dest ptrs - 2 pix at a time | |
| 229 dp1 -= 320; | |
| 230 dp2 -= 320; | |
| 231 } | |
| 232 // adjust src ptrs - skip a row as we work in pairs | |
| 233 sp1 += rowadd2; | |
| 234 sp2 += rowadd2; | |
| 235 // adjust dest ptrs for rotation | |
| 236 dp1 += rowadd; | |
| 237 dp2 += rowadd; | |
| 238 } | |
| 239 } | |
| 240 | |
| 241 // desktop, SL-A300 etc | |
| 242 bool SDL_QWin::repaintRotation0(const QRect& rect) { | |
| 243 if(my_image->width() == width()) { | |
| 244 uchar *fb = (uchar*)my_painter->frameBuffer(); | |
| 245 uchar *buf = (uchar*)my_image->bits(); | |
| 246 if(rect == my_image->rect()) { | |
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247 SDL_memcpy(fb, buf, width()*height()*2); |
| 567 | 248 } else { |
| 249 int h = rect.height(); | |
| 250 int wd = rect.width()<<1; | |
| 251 int fblineadd = my_painter->lineStep(); | |
| 252 int buflineadd = my_image->bytesPerLine(); | |
| 253 fb += (rect.left()<<1) + rect.top() * my_painter->lineStep(); | |
| 254 buf += (rect.left()<<1) + rect.top() * my_image->bytesPerLine(); | |
| 255 while(h--) { | |
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256 SDL_memcpy(fb, buf, wd); |
| 567 | 257 fb += fblineadd; |
| 258 buf += buflineadd; | |
| 259 } | |
| 260 } | |
| 261 } else { | |
| 262 return false; // FIXME: Landscape | |
| 263 } | |
| 264 #ifdef __i386__ | |
| 265 my_painter->fillRect( rect, QBrush( Qt::NoBrush ) ); | |
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266 #endif |
| 567 | 267 return true; |
| 268 } | |
| 269 | |
| 270 | |
| 271 // Sharp Zaurus SL-5500 etc | |
| 272 bool SDL_QWin::repaintRotation3(const QRect& rect) { | |
| 273 if(my_image->width() == width()) { | |
| 274 ushort *fb = (ushort*)my_painter->frameBuffer(); | |
| 275 ushort *buf = (ushort*)my_image->bits(); | |
| 276 gs_fastRotateBlit_3(fb, buf, rect); | |
| 277 } else { | |
| 278 // landscape mode | |
| 279 if (screenRotation == SDL_QT_ROTATION_90) { | |
| 280 uchar *fb = (uchar*)my_painter->frameBuffer(); | |
| 281 uchar *buf = (uchar*)my_image->bits(); | |
| 282 if(rect == my_image->rect()) { | |
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283 SDL_memcpy(fb, buf, width()*height()*2); |
| 567 | 284 } else { |
| 285 int h = rect.height(); | |
| 286 int wd = rect.width()<<1; | |
| 287 int fblineadd = my_painter->lineStep(); | |
| 288 int buflineadd = my_image->bytesPerLine(); | |
| 289 fb += (rect.left()<<1) + rect.top() * my_painter->lineStep(); | |
| 290 buf += (rect.left()<<1) + rect.top() * my_image->bytesPerLine(); | |
| 291 while(h--) { | |
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292 SDL_memcpy(fb, buf, wd); |
| 567 | 293 fb += fblineadd; |
| 294 buf += buflineadd; | |
| 295 } | |
| 296 } | |
| 297 } else if (screenRotation == SDL_QT_ROTATION_270) { | |
| 298 int h = rect.height(); | |
| 299 int wd = rect.width(); | |
| 300 int fblineadd = my_painter->lineStep() - (rect.width() << 1); | |
| 301 int buflineadd = my_image->bytesPerLine() - (rect.width() << 1); | |
| 302 int w; | |
| 303 | |
| 304 uchar *fb = (uchar*)my_painter->frameBuffer(); | |
| 305 uchar *buf = (uchar*)my_image->bits(); | |
| 306 | |
| 307 fb += ((my_painter->width() - (rect.top() + rect.height())) * | |
| 308 my_painter->lineStep()) + ((my_painter->height() - ((rect.left() + | |
| 309 rect.width()))) << 1); | |
| 310 | |
| 311 buf += my_image->bytesPerLine() * (rect.top() + rect.height()) - | |
| 312 (((my_image->width() - (rect.left() + rect.width())) << 1) + 2); | |
| 313 | |
| 314 while(h--) { | |
| 315 w = wd; | |
| 316 while(w--) *((unsigned short*)fb)++ = *((unsigned short*)buf)--; | |
| 317 fb += fblineadd; | |
| 318 buf -= buflineadd; | |
| 319 } | |
| 320 } | |
| 321 } | |
| 322 return true; | |
| 323 } | |
| 324 | |
| 325 // ipaq 3800... | |
| 326 bool SDL_QWin::repaintRotation1(const QRect& rect) { | |
| 327 if(my_image->width() == width()) { | |
| 328 ushort *fb = (ushort*)my_painter->frameBuffer(); | |
| 329 ushort *buf = (ushort*)my_image->bits(); | |
| 330 gs_fastRotateBlit_1(fb, buf, rect); | |
| 331 } else { | |
| 332 return false; // FIXME: landscape mode | |
| 333 } | |
| 334 return true; | |
| 335 } | |
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336 |
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337 void SDL_QWin::repaintRect(const QRect& rect) { |
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338 if(!my_painter || !rect.width() || !rect.height()) { |
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339 return; |
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340 } |
| 567 | 341 |
| 342 if(QPixmap::defaultDepth() == 16) { | |
| 343 switch(my_painter->transformOrientation()) { | |
| 344 case 3: | |
| 345 if(repaintRotation3(rect)) { return; } | |
| 346 break; | |
| 347 case 1: | |
| 348 if(repaintRotation1(rect)) { return; } | |
| 349 break; | |
| 350 case 0: | |
| 351 if(repaintRotation0(rect)) { return; } | |
| 352 break; | |
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353 } |
| 567 | 354 } |
| 355 my_painter->drawImage(rect.topLeft(), *my_image, rect); | |
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356 } |
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357 |
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358 // This paints the current buffer to the screen, when desired. |
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359 void SDL_QWin::paintEvent(QPaintEvent *ev) { |
| 567 | 360 if(my_image) { |
| 361 lockScreen(true); | |
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362 repaintRect(ev->rect()); |
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363 unlockScreen(); |
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364 } |
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365 } |
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366 |
| 567 | 367 /* Function to translate a keyboard transition and queue the key event |
| 368 * This should probably be a table although this method isn't exactly | |
| 369 * slow. | |
| 370 */ | |
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371 void SDL_QWin::QueueKey(QKeyEvent *e, int pressed) |
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372 { |
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373 SDL_keysym keysym; |
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374 int scancode = e->key(); |
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375 /* Set the keysym information */ |
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376 if(scancode >= 'A' && scancode <= 'Z') { |
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377 // Qt sends uppercase, SDL wants lowercase |
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378 keysym.sym = static_cast<SDLKey>(scancode + 32); |
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379 } else if(scancode >= 0x1000) { |
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380 // Special keys |
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381 switch(scancode) { |
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382 case Qt::Key_Escape: scancode = SDLK_ESCAPE; break; |
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383 case Qt::Key_Tab: scancode = SDLK_TAB; break; |
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384 case Qt::Key_Backspace: scancode = SDLK_BACKSPACE; break; |
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385 case Qt::Key_Return: scancode = SDLK_RETURN; break; |
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386 case Qt::Key_Enter: scancode = SDLK_KP_ENTER; break; |
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387 case Qt::Key_Insert: scancode = SDLK_INSERT; break; |
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388 case Qt::Key_Delete: scancode = SDLK_DELETE; break; |
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389 case Qt::Key_Pause: scancode = SDLK_PAUSE; break; |
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390 case Qt::Key_Print: scancode = SDLK_PRINT; break; |
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391 case Qt::Key_SysReq: scancode = SDLK_SYSREQ; break; |
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392 case Qt::Key_Home: scancode = SDLK_HOME; break; |
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393 case Qt::Key_End: scancode = SDLK_END; break; |
|
481
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394 // We want the control keys to rotate with the screen |
|
c96e2137f9eb
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395 case Qt::Key_Left: |
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396 if (screenRotation == SDL_QT_ROTATION_90) scancode = SDLK_UP; |
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397 else if (screenRotation == SDL_QT_ROTATION_270) scancode = SDLK_DOWN; |
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398 else scancode = SDLK_LEFT; |
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399 break; |
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400 case Qt::Key_Up: |
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401 if (screenRotation == SDL_QT_ROTATION_90) scancode = SDLK_RIGHT; |
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402 else if (screenRotation == SDL_QT_ROTATION_270) scancode = SDLK_LEFT; |
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403 else scancode = SDLK_UP; |
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404 break; |
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405 case Qt::Key_Right: |
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406 if (screenRotation == SDL_QT_ROTATION_90) scancode = SDLK_DOWN; |
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407 else if (screenRotation == SDL_QT_ROTATION_270) scancode = SDLK_UP; |
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408 else scancode = SDLK_RIGHT; |
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409 break; |
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410 case Qt::Key_Down: |
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411 if (screenRotation == SDL_QT_ROTATION_90) scancode = SDLK_LEFT; |
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412 else if (screenRotation == SDL_QT_ROTATION_270) scancode = SDLK_RIGHT; |
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413 else scancode = SDLK_DOWN; |
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414 break; |
|
371
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415 case Qt::Key_Prior: scancode = SDLK_PAGEUP; break; |
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416 case Qt::Key_Next: scancode = SDLK_PAGEDOWN; break; |
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417 case Qt::Key_Shift: scancode = SDLK_LSHIFT; break; |
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418 case Qt::Key_Control: scancode = SDLK_LCTRL; break; |
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419 case Qt::Key_Meta: scancode = SDLK_LMETA; break; |
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420 case Qt::Key_Alt: scancode = SDLK_LALT; break; |
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421 case Qt::Key_CapsLock: scancode = SDLK_CAPSLOCK; break; |
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422 case Qt::Key_NumLock: scancode = SDLK_NUMLOCK; break; |
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423 case Qt::Key_ScrollLock: scancode = SDLK_SCROLLOCK; break; |
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424 case Qt::Key_F1: scancode = SDLK_F1; break; |
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425 case Qt::Key_F2: scancode = SDLK_F2; break; |
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426 case Qt::Key_F3: scancode = SDLK_F3; break; |
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427 case Qt::Key_F4: scancode = SDLK_F4; break; |
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428 case Qt::Key_F5: scancode = SDLK_F5; break; |
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429 case Qt::Key_F6: scancode = SDLK_F6; break; |
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430 case Qt::Key_F7: scancode = SDLK_F7; break; |
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431 case Qt::Key_F8: scancode = SDLK_F8; break; |
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432 case Qt::Key_F9: scancode = SDLK_F9; break; |
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433 case Qt::Key_F10: scancode = SDLK_F10; break; |
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434 case Qt::Key_F11: scancode = SDLK_F11; break; |
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435 case Qt::Key_F12: scancode = SDLK_F12; break; |
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436 case Qt::Key_F13: scancode = SDLK_F13; break; |
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437 case Qt::Key_F14: scancode = SDLK_F14; break; |
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438 case Qt::Key_F15: scancode = SDLK_F15; break; |
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439 case Qt::Key_Super_L: scancode = SDLK_LSUPER; break; |
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440 case Qt::Key_Super_R: scancode = SDLK_RSUPER; break; |
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441 case Qt::Key_Menu: scancode = SDLK_MENU; break; |
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442 case Qt::Key_Help: scancode = SDLK_HELP; break; |
| 567 | 443 |
| 444 case Qt::Key_F33: | |
| 445 // FIXME: This is a hack to enable the OK key on | |
| 446 // Zaurii devices. SDLK_RETURN is a suitable key to use | |
| 447 // since it often is used as such. | |
| 448 // david@hedbor.org | |
| 449 scancode = SDLK_RETURN; | |
| 450 break; | |
|
371
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451 default: |
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452 scancode = SDLK_UNKNOWN; |
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453 break; |
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454 } |
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455 keysym.sym = static_cast<SDLKey>(scancode); |
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456 } else { |
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457 keysym.sym = static_cast<SDLKey>(scancode); |
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458 } |
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459 keysym.scancode = scancode; |
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460 keysym.mod = KMOD_NONE; |
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461 ButtonState st = e->state(); |
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462 if( (st & ShiftButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LSHIFT); } |
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463 if( (st & ControlButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LCTRL); } |
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464 if( (st & AltButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LALT); } |
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465 if ( SDL_TranslateUNICODE ) { |
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466 QChar qchar = e->text()[0]; |
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467 keysym.unicode = qchar.unicode(); |
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468 } else { |
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469 keysym.unicode = 0; |
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470 } |
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471 |
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472 /* NUMLOCK and CAPSLOCK are implemented as double-presses in reality */ |
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473 // if ( (keysym.sym == SDLK_NUMLOCK) || (keysym.sym == SDLK_CAPSLOCK) ) { |
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474 // pressed = 1; |
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475 // } |
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476 |
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477 /* Queue the key event */ |
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478 if ( pressed ) { |
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479 SDL_PrivateKeyboard(SDL_PRESSED, &keysym); |
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480 } else { |
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481 SDL_PrivateKeyboard(SDL_RELEASED, &keysym); |
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482 } |
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483 } |
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484 |
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485 void SDL_QWin::setFullscreen(bool fs_on) { |
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486 my_has_fullscreen = false; |
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487 enableFullscreen(); |
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488 } |
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489 |
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490 void SDL_QWin::enableFullscreen() { |
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491 // Make sure size is correct |
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492 if(!my_has_fullscreen) { |
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493 setFixedSize(qApp->desktop()->size()); |
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494 // This call is needed because showFullScreen won't work |
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495 // correctly if the widget already considers itself to be fullscreen. |
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496 showNormal(); |
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Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
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497 // This is needed because showNormal() forcefully changes the window |
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db0cc6034336
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Sam Lantinga <slouken@libsdl.org>
parents:
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498 // style to WSTyle_TopLevel. |
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db0cc6034336
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Sam Lantinga <slouken@libsdl.org>
parents:
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499 setWFlags(WStyle_Customize | WStyle_NoBorder); |
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db0cc6034336
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Sam Lantinga <slouken@libsdl.org>
parents:
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500 // Enable fullscreen. |
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db0cc6034336
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Sam Lantinga <slouken@libsdl.org>
parents:
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501 showFullScreen(); |
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db0cc6034336
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Sam Lantinga <slouken@libsdl.org>
parents:
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502 my_has_fullscreen = true; |
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db0cc6034336
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Sam Lantinga <slouken@libsdl.org>
parents:
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503 } |
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db0cc6034336
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Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
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504 } |
| 567 | 505 |
| 506 bool SDL_QWin::lockScreen(bool force) { | |
| 507 if(!my_painter) { | |
| 508 if(force || (isVisible() && isActiveWindow())) { | |
| 509 my_painter = new QDirectPainter(this); | |
| 510 } else { | |
| 511 return false; | |
| 512 } | |
| 513 } | |
| 514 my_locked++; // Increate lock refcount | |
| 515 return true; | |
| 516 } | |
| 517 | |
| 518 void SDL_QWin::unlockScreen() { | |
| 519 if(my_locked > 0) { | |
| 520 my_locked--; // decrease lock refcount; | |
| 521 } | |
| 522 if(!my_locked && my_painter) { | |
| 523 my_painter->end(); | |
| 524 delete my_painter; | |
| 525 my_painter = 0; | |
| 526 } | |
| 527 } |