Mercurial > sdl-ios-xcode
annotate src/video/qtopia/SDL_QWin.cc @ 1557:61c237f69076
Fixed bug #90
The palette -> RGBA blit wasn't following the rule:
* RGB->RGBA:
* SDL_SRCALPHA not set:
* copy RGB, set destination alpha to source per-surface alpha value.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 20 Mar 2006 06:37:58 +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 } |