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annotate src/video/qtopia/SDL_QWin.cc @ 371:db0cc6034336

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Added David Hedbor's Qtopia patches
author Sam Lantinga <slouken@libsdl.org>
date Sun, 19 May 2002 20:06:01 +0000
parents
children 11c8a7684f74
rev   line source
371
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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@libsdl.org
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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 #include "SDL_QWin.h"
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29 #include <qapplication.h>
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30 #include <qdirectpainter_qws.h>
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31 SDL_QWin::SDL_QWin(const QSize& size)
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32 : QWidget(0, "SDL_main"), my_painter(0), my_image(0),
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33 my_inhibit_resize(false), my_mouse_pos(-1,-1), my_flags(0),
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34 my_has_fullscreen(false), my_locked(0)
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35 {
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36 setBackgroundMode(NoBackground);
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37 }
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38
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39 SDL_QWin::~SDL_QWin() {
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40 // Nothing to do yet.
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41 if(my_image) {
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42 delete my_image;
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43 }
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44 }
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45
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46 void SDL_QWin::setImage(QImage *image) {
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47 if ( my_image ) {
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48 delete my_image;
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49 }
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50 my_image = image;
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51 // setFixedSize(image->size());
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52 }
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53
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54 void SDL_QWin::resizeEvent(QResizeEvent *e) {
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55 if(size() != qApp->desktop()->size()) {
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56 // Widget is not the correct size, so do the fullscreen magic
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57 my_has_fullscreen = false;
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58 enableFullscreen();
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59 }
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60 if(my_inhibit_resize) {
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61 my_inhibit_resize = false;
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62 } else {
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63 SDL_PrivateResize(e->size().width(), e->size().height());
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64 }
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65 }
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66
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67 void SDL_QWin::focusInEvent(QFocusEvent *) {
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68 // Always do it here, no matter the size.
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69 enableFullscreen();
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70 SDL_PrivateAppActive(true, SDL_APPINPUTFOCUS);
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71 }
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72
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73 void SDL_QWin::focusOutEvent(QFocusEvent *) {
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74 my_has_fullscreen = false;
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75 SDL_PrivateAppActive(false, SDL_APPINPUTFOCUS);
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76 }
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77
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78 void SDL_QWin::closeEvent(QCloseEvent *e) {
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79 SDL_PrivateQuit();
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80 e->ignore();
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81 }
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82
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83 void SDL_QWin::mouseMoveEvent(QMouseEvent *e) {
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84 Qt::ButtonState button = e->button();
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85 int sdlstate = 0;
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86 if( (button & Qt::LeftButton)) {
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87 sdlstate |= SDL_BUTTON_LMASK;
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88 }
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89 if( (button & Qt::RightButton)) {
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90 sdlstate |= SDL_BUTTON_RMASK;
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91 }
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92 if( (button & Qt::MidButton)) {
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93 sdlstate |= SDL_BUTTON_MMASK;
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94 }
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95 SDL_PrivateMouseMotion(sdlstate, 0, e->pos().x(), e->pos().y());
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96 }
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97
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98 void SDL_QWin::mousePressEvent(QMouseEvent *e) {
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99 my_mouse_pos = e->pos();
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100 Qt::ButtonState button = e->button();
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101 SDL_PrivateMouseButton(SDL_PRESSED,
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102 (button & Qt::LeftButton) ? 1 :
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103 ((button & Qt::RightButton) ? 2 : 3),
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104 e->x(), e->y());
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105 }
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106
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107 void SDL_QWin::mouseReleaseEvent(QMouseEvent *e) {
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108 my_mouse_pos = QPoint(-1, -1);
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109 Qt::ButtonState button = e->button();
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110 SDL_PrivateMouseButton(SDL_RELEASED,
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111 (button & Qt::LeftButton) ? 1 :
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112 ((button & Qt::RightButton) ? 2 : 3),
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113 e->x(), e->y());
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114 }
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115
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116 #define USE_DIRECTPAINTER
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117
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118
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119 #ifndef __i386__
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120 static inline void gs_fastRotateBlit_3 ( unsigned short *fb,
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121 unsigned short *bits,
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122 const QRect& rect )
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123 {
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124 int startx, starty;
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125 int width, height;
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126
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127 startx = rect.left() >> 1;
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128 starty = rect.top() >> 1;
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129 width = ((rect.right() - rect.left()) >> 1) + 2;
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130 height = ((rect.bottom() - rect.top()) >> 1) + 2;
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131
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132 if((startx+width) > 120) {
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133 width = 120 - startx; // avoid horizontal overflow
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134 }
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135 if((starty+height) > 160) {
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136 height = 160 - starty; // avoid vertical overflow
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137 }
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138
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139 ulong *sp1, *sp2, *dp1, *dp2;
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140 ulong stop, sbot, dtop, dbot;
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141
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142 sp1 = (ulong*)bits + startx + starty*240;
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143 sp2 = sp1 + 120;
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144 dp1 = (ulong *)fb + (159 - starty) + startx*320;
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145 dp2 = dp1 + 160;
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146 int rowadd = (-320*width) - 1;
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147 int rowadd2 = 240 - width;
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148 // transfer in cells of 2x2 pixels in words
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149 for (int y=0; y<height; y++) {
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150 for (int x=0; x<width; x++) {
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151 // read source pixels
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152 stop = *sp1;
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diff changeset
153 sbot = *sp2;
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diff changeset
154 // rotate pixels
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diff changeset
155 dtop = (sbot & 0xffff) + ((stop & 0xffff)<<16);
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diff changeset
156 dbot = ((sbot & 0xffff0000)>>16) + (stop & 0xffff0000);
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diff changeset
157 // write to framebuffer
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diff changeset
158 *dp1 = dtop;
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diff changeset
159 *dp2 = dbot;
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diff changeset
160 // update source ptrs
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diff changeset
161 sp1++; sp2++;
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diff changeset
162 // update dest ptrs - 2 pix at a time
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diff changeset
163 dp1 += 320;
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diff changeset
164 dp2 += 320;
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diff changeset
165 }
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diff changeset
166 // adjust src ptrs - skip a row as we work in pairs
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diff changeset
167 sp1 += rowadd2;
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diff changeset
168 sp2 += rowadd2;
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diff changeset
169 // adjust dest ptrs for rotation
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diff changeset
170 dp1 += rowadd;
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diff changeset
171 dp2 += rowadd;
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172 }
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173 }
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diff changeset
174 #endif
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175
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diff changeset
176 void SDL_QWin::repaintRect(const QRect& rect) {
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diff changeset
177 if(!my_painter || !rect.width() || !rect.height()) {
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diff changeset
178 return;
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179 }
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diff changeset
180 #ifndef __i386__
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181
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diff changeset
182 if(QPixmap::defaultDepth() == 16 &&
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183 my_painter->transformOrientation() == 3 &&
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diff changeset
184 my_painter->numRects() >= 0) {
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diff changeset
185 if(my_image->width() == width()) {
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diff changeset
186 ushort *fb = (ushort*)my_painter->frameBuffer();
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187 ushort *buf = (ushort*)my_image->bits();
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diff changeset
188 gs_fastRotateBlit_3(fb, buf, rect);
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189 } else {
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diff changeset
190 // landscape mode
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diff changeset
191 uchar *fb = (uchar*)my_painter->frameBuffer();
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diff changeset
192 uchar *buf = (uchar*)my_image->bits();
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diff changeset
193 int h = rect.height();
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diff changeset
194 int wd = rect.width()<<1;
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diff changeset
195 int fblineadd = my_painter->lineStep();
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diff changeset
196 int buflineadd = my_image->bytesPerLine();
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diff changeset
197 fb += (rect.left()<<1) + rect.top() * my_painter->lineStep();
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diff changeset
198 buf += (rect.left()<<1) + rect.top() * my_image->bytesPerLine();
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diff changeset
199 while(h--) {
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diff changeset
200 memcpy(fb, buf, wd);
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diff changeset
201 fb += fblineadd;
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diff changeset
202 buf += buflineadd;
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203 }
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204 }
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diff changeset
205 } else {
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diff changeset
206 #endif
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207 QPainter pp(this);
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diff changeset
208 pp.drawImage(rect.topLeft(), *my_image, rect);
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diff changeset
209 pp.end();
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diff changeset
210 #ifndef __i386__
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211 }
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diff changeset
212 #endif
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213 }
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214
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diff changeset
215 // This paints the current buffer to the screen, when desired.
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216 void SDL_QWin::paintEvent(QPaintEvent *ev) {
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diff changeset
217 if(my_image && isVisible() && isActiveWindow()) {
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diff changeset
218 lockScreen();
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diff changeset
219 repaintRect(ev->rect());
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220 unlockScreen();
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221 }
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222 }
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223
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diff changeset
224 /* Function to translate a keyboard transition and queue the key event */
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diff changeset
225 void SDL_QWin::QueueKey(QKeyEvent *e, int pressed)
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diff changeset
226 {
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227 SDL_keysym keysym;
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228 int scancode = e->key();
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229 /* Set the keysym information */
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diff changeset
230 if(scancode >= 'A' && scancode <= 'Z') {
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diff changeset
231 // Qt sends uppercase, SDL wants lowercase
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232 keysym.sym = static_cast<SDLKey>(scancode + 32);
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233 } else if(scancode >= 0x1000) {
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diff changeset
234 // Special keys
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diff changeset
235 switch(scancode) {
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236 case Qt::Key_Escape: scancode = SDLK_ESCAPE; break;
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diff changeset
237 case Qt::Key_Tab: scancode = SDLK_TAB; break;
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diff changeset
238 case Qt::Key_Backspace: scancode = SDLK_BACKSPACE; break;
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diff changeset
239 case Qt::Key_Return: scancode = SDLK_RETURN; break;
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240 case Qt::Key_Enter: scancode = SDLK_KP_ENTER; break;
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diff changeset
241 case Qt::Key_Insert: scancode = SDLK_INSERT; break;
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diff changeset
242 case Qt::Key_Delete: scancode = SDLK_DELETE; break;
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diff changeset
243 case Qt::Key_Pause: scancode = SDLK_PAUSE; break;
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diff changeset
244 case Qt::Key_Print: scancode = SDLK_PRINT; break;
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diff changeset
245 case Qt::Key_SysReq: scancode = SDLK_SYSREQ; break;
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diff changeset
246 case Qt::Key_Home: scancode = SDLK_HOME; break;
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diff changeset
247 case Qt::Key_End: scancode = SDLK_END; break;
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diff changeset
248 case Qt::Key_Left: scancode = SDLK_LEFT; break;
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diff changeset
249 case Qt::Key_Up: scancode = SDLK_UP; break;
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diff changeset
250 case Qt::Key_Right: scancode = SDLK_RIGHT; break;
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diff changeset
251 case Qt::Key_Down: scancode = SDLK_DOWN; break;
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diff changeset
252 case Qt::Key_Prior: scancode = SDLK_PAGEUP; break;
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diff changeset
253 case Qt::Key_Next: scancode = SDLK_PAGEDOWN; break;
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diff changeset
254 case Qt::Key_Shift: scancode = SDLK_LSHIFT; break;
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diff changeset
255 case Qt::Key_Control: scancode = SDLK_LCTRL; break;
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diff changeset
256 case Qt::Key_Meta: scancode = SDLK_LMETA; break;
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diff changeset
257 case Qt::Key_Alt: scancode = SDLK_LALT; break;
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diff changeset
258 case Qt::Key_CapsLock: scancode = SDLK_CAPSLOCK; break;
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diff changeset
259 case Qt::Key_NumLock: scancode = SDLK_NUMLOCK; break;
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diff changeset
260 case Qt::Key_ScrollLock: scancode = SDLK_SCROLLOCK; break;
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diff changeset
261 case Qt::Key_F1: scancode = SDLK_F1; break;
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diff changeset
262 case Qt::Key_F2: scancode = SDLK_F2; break;
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diff changeset
263 case Qt::Key_F3: scancode = SDLK_F3; break;
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diff changeset
264 case Qt::Key_F4: scancode = SDLK_F4; break;
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diff changeset
265 case Qt::Key_F5: scancode = SDLK_F5; break;
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diff changeset
266 case Qt::Key_F6: scancode = SDLK_F6; break;
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diff changeset
267 case Qt::Key_F7: scancode = SDLK_F7; break;
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diff changeset
268 case Qt::Key_F8: scancode = SDLK_F8; break;
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diff changeset
269 case Qt::Key_F9: scancode = SDLK_F9; break;
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diff changeset
270 case Qt::Key_F10: scancode = SDLK_F10; break;
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diff changeset
271 case Qt::Key_F11: scancode = SDLK_F11; break;
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diff changeset
272 case Qt::Key_F12: scancode = SDLK_F12; break;
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diff changeset
273 case Qt::Key_F13: scancode = SDLK_F13; break;
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diff changeset
274 case Qt::Key_F14: scancode = SDLK_F14; break;
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diff changeset
275 case Qt::Key_F15: scancode = SDLK_F15; break;
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diff changeset
276 case Qt::Key_Super_L: scancode = SDLK_LSUPER; break;
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diff changeset
277 case Qt::Key_Super_R: scancode = SDLK_RSUPER; break;
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diff changeset
278 case Qt::Key_Menu: scancode = SDLK_MENU; break;
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diff changeset
279 case Qt::Key_Help: scancode = SDLK_HELP; break;
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diff changeset
280 default:
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diff changeset
281 scancode = SDLK_UNKNOWN;
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diff changeset
282 break;
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diff changeset
283 }
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diff changeset
284 keysym.sym = static_cast<SDLKey>(scancode);
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diff changeset
285 } else {
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diff changeset
286 keysym.sym = static_cast<SDLKey>(scancode);
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diff changeset
287 }
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diff changeset
288 keysym.scancode = scancode;
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diff changeset
289 keysym.mod = KMOD_NONE;
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diff changeset
290 ButtonState st = e->state();
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diff changeset
291 if( (st & ShiftButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LSHIFT); }
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parents:
diff changeset
292 if( (st & ControlButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LCTRL); }
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diff changeset
293 if( (st & AltButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LALT); }
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diff changeset
294 if ( SDL_TranslateUNICODE ) {
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295 QChar qchar = e->text()[0];
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296 keysym.unicode = qchar.unicode();
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297 } else {
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298 keysym.unicode = 0;
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299 }
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300
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301 /* NUMLOCK and CAPSLOCK are implemented as double-presses in reality */
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302 // if ( (keysym.sym == SDLK_NUMLOCK) || (keysym.sym == SDLK_CAPSLOCK) ) {
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303 // pressed = 1;
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304 // }
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305
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306 /* Queue the key event */
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307 if ( pressed ) {
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308 SDL_PrivateKeyboard(SDL_PRESSED, &keysym);
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309 } else {
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310 SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
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311 }
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312 }
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313
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314 void SDL_QWin::setFullscreen(bool fs_on) {
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315 my_has_fullscreen = false;
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316 enableFullscreen();
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317 }
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318
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319 void SDL_QWin::enableFullscreen() {
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320 // Make sure size is correct
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321 if(!my_has_fullscreen) {
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322 setFixedSize(qApp->desktop()->size());
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323 // This call is needed because showFullScreen won't work
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324 // correctly if the widget already considers itself to be fullscreen.
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325 showNormal();
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326 // This is needed because showNormal() forcefully changes the window
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327 // style to WSTyle_TopLevel.
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328 setWFlags(WStyle_Customize | WStyle_NoBorder);
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329 // Enable fullscreen.
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330 showFullScreen();
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331 my_has_fullscreen = true;
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332 }
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333 }