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annotate src/video/qtopia/SDL_QWin.h @ 1555:780fd5b61df1

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Fixed bug #89 Date: Sun, 23 Oct 2005 16:39:03 +0200 From: "A. Schmid" <sahib@phreaker.net> Subject: [SDL] no software surfaces with svgalib driver? Hi, I noticed that the SDL (1.2.9) svgalib driver only makes use of linear addressable (framebuffer) video modes. On older systems (like one of mine), linear addressable modes are often not available. Especially for cards with VESA VBE < 2.0 the svgalib vesa driver is unusable, since VESA only supports framebuffering for VBE 2.0 and later. The changes necessary to add support for software surfaces seem to be relatively small. I only had to hack src/video/svga/SDL_svgavideo.c (see attached patch). The code worked fine for me, but it is no more than a proof of concept and should be reviewed (probably has a memory leak when switching modes). It also uses the vgagl library (included in the svgalib package) and needs to be linked against it. -Alex
author Sam Lantinga <slouken@libsdl.org>
date Sun, 19 Mar 2006 12:05:16 +0000
parents d910939febfa
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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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 #ifndef _SDL_QWin_h
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25 #define _SDL_QWin_h
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26
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27 #include <stdio.h>
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28
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29 #include <qimage.h>
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30 #include <qpixmap.h>
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31 #include <qwidget.h>
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32 #include <qpainter.h>
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33 #include <qdirectpainter_qws.h>
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34
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35 #include "SDL_events.h"
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36
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37 extern "C" {
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38 #include "../../events/SDL_events_c.h"
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39 };
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40
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41 typedef enum {
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42 SDL_QT_NO_ROTATION = 0,
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43 SDL_QT_ROTATION_90,
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44 SDL_QT_ROTATION_270
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45 } screenRotationT;
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46
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47 extern screenRotationT screenRotation;
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48
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49 class SDL_QWin : public QWidget
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50 {
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51 void QueueKey(QKeyEvent *e, int pressed);
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52 public:
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53 SDL_QWin(const QSize& size);
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54 virtual ~SDL_QWin();
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55 virtual bool shown(void) {
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56 return isVisible();
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57 }
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58 /* If called, the next resize event will not be forwarded to SDL. */
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59 virtual void inhibitResize(void) {
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60 my_inhibit_resize = true;
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61 }
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62 void setImage(QImage *image);
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63 void setOffset(int x, int y) {
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64 my_offset = QPoint(x, y);
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65 }
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66 void GetXYOffset(int &x, int &y) {
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67 x = my_offset.x();
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68 y = my_offset.y();
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69 }
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70 QImage *image(void) { return my_image; }
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71
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72 void setWFlags(WFlags flags) {
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73 QWidget::setWFlags(flags);
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74 my_flags = flags;
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75 }
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76 const QPoint& mousePos() const { return my_mouse_pos; }
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77 void setMousePos(const QPoint& newpos);
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78 void setFullscreen(bool);
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79
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80 bool lockScreen(bool force=false);
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81 void unlockScreen();
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82 void repaintRect(const QRect& rect);
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83 protected:
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84 /* Handle resizing of the window */
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85 virtual void resizeEvent(QResizeEvent *e);
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86 void focusInEvent(QFocusEvent *);
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87 void focusOutEvent(QFocusEvent *);
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88 void closeEvent(QCloseEvent *e);
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89 void mouseMoveEvent(QMouseEvent *e);
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90 void mousePressEvent(QMouseEvent *e);
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91 void mouseReleaseEvent(QMouseEvent *e);
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92 void paintEvent(QPaintEvent *ev);
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93 void keyPressEvent(QKeyEvent *e) { QueueKey(e, 1); }
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94 void keyReleaseEvent(QKeyEvent *e) { QueueKey(e, 0); }
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95 private:
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96 bool repaintRotation0(const QRect& rect);
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97 bool repaintRotation1(const QRect& rect);
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98 bool repaintRotation3(const QRect& rect);
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99 void enableFullscreen();
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100 QDirectPainter *my_painter;
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101 QImage *my_image;
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102 bool my_inhibit_resize;
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103 QPoint my_offset;
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104 QPoint my_mouse_pos;
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105 WFlags my_flags;
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106 WFlags my_has_fullscreen;
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107 unsigned int my_locked;
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108 };
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109
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110 #endif /* _SDL_QWin_h */