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comparison 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
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370:ba72f259bc88 371:db0cc6034336
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id$";
26 #endif
27
28 #include "SDL_QWin.h"
29 #include <qapplication.h>
30 #include <qdirectpainter_qws.h>
31 SDL_QWin::SDL_QWin(const QSize& size)
32 : QWidget(0, "SDL_main"), my_painter(0), my_image(0),
33 my_inhibit_resize(false), my_mouse_pos(-1,-1), my_flags(0),
34 my_has_fullscreen(false), my_locked(0)
35 {
36 setBackgroundMode(NoBackground);
37 }
38
39 SDL_QWin::~SDL_QWin() {
40 // Nothing to do yet.
41 if(my_image) {
42 delete my_image;
43 }
44 }
45
46 void SDL_QWin::setImage(QImage *image) {
47 if ( my_image ) {
48 delete my_image;
49 }
50 my_image = image;
51 // setFixedSize(image->size());
52 }
53
54 void SDL_QWin::resizeEvent(QResizeEvent *e) {
55 if(size() != qApp->desktop()->size()) {
56 // Widget is not the correct size, so do the fullscreen magic
57 my_has_fullscreen = false;
58 enableFullscreen();
59 }
60 if(my_inhibit_resize) {
61 my_inhibit_resize = false;
62 } else {
63 SDL_PrivateResize(e->size().width(), e->size().height());
64 }
65 }
66
67 void SDL_QWin::focusInEvent(QFocusEvent *) {
68 // Always do it here, no matter the size.
69 enableFullscreen();
70 SDL_PrivateAppActive(true, SDL_APPINPUTFOCUS);
71 }
72
73 void SDL_QWin::focusOutEvent(QFocusEvent *) {
74 my_has_fullscreen = false;
75 SDL_PrivateAppActive(false, SDL_APPINPUTFOCUS);
76 }
77
78 void SDL_QWin::closeEvent(QCloseEvent *e) {
79 SDL_PrivateQuit();
80 e->ignore();
81 }
82
83 void SDL_QWin::mouseMoveEvent(QMouseEvent *e) {
84 Qt::ButtonState button = e->button();
85 int sdlstate = 0;
86 if( (button & Qt::LeftButton)) {
87 sdlstate |= SDL_BUTTON_LMASK;
88 }
89 if( (button & Qt::RightButton)) {
90 sdlstate |= SDL_BUTTON_RMASK;
91 }
92 if( (button & Qt::MidButton)) {
93 sdlstate |= SDL_BUTTON_MMASK;
94 }
95 SDL_PrivateMouseMotion(sdlstate, 0, e->pos().x(), e->pos().y());
96 }
97
98 void SDL_QWin::mousePressEvent(QMouseEvent *e) {
99 my_mouse_pos = e->pos();
100 Qt::ButtonState button = e->button();
101 SDL_PrivateMouseButton(SDL_PRESSED,
102 (button & Qt::LeftButton) ? 1 :
103 ((button & Qt::RightButton) ? 2 : 3),
104 e->x(), e->y());
105 }
106
107 void SDL_QWin::mouseReleaseEvent(QMouseEvent *e) {
108 my_mouse_pos = QPoint(-1, -1);
109 Qt::ButtonState button = e->button();
110 SDL_PrivateMouseButton(SDL_RELEASED,
111 (button & Qt::LeftButton) ? 1 :
112 ((button & Qt::RightButton) ? 2 : 3),
113 e->x(), e->y());
114 }
115
116 #define USE_DIRECTPAINTER
117
118
119 #ifndef __i386__
120 static inline void gs_fastRotateBlit_3 ( unsigned short *fb,
121 unsigned short *bits,
122 const QRect& rect )
123 {
124 int startx, starty;
125 int width, height;
126
127 startx = rect.left() >> 1;
128 starty = rect.top() >> 1;
129 width = ((rect.right() - rect.left()) >> 1) + 2;
130 height = ((rect.bottom() - rect.top()) >> 1) + 2;
131
132 if((startx+width) > 120) {
133 width = 120 - startx; // avoid horizontal overflow
134 }
135 if((starty+height) > 160) {
136 height = 160 - starty; // avoid vertical overflow
137 }
138
139 ulong *sp1, *sp2, *dp1, *dp2;
140 ulong stop, sbot, dtop, dbot;
141
142 sp1 = (ulong*)bits + startx + starty*240;
143 sp2 = sp1 + 120;
144 dp1 = (ulong *)fb + (159 - starty) + startx*320;
145 dp2 = dp1 + 160;
146 int rowadd = (-320*width) - 1;
147 int rowadd2 = 240 - width;
148 // transfer in cells of 2x2 pixels in words
149 for (int y=0; y<height; y++) {
150 for (int x=0; x<width; x++) {
151 // read source pixels
152 stop = *sp1;
153 sbot = *sp2;
154 // rotate pixels
155 dtop = (sbot & 0xffff) + ((stop & 0xffff)<<16);
156 dbot = ((sbot & 0xffff0000)>>16) + (stop & 0xffff0000);
157 // write to framebuffer
158 *dp1 = dtop;
159 *dp2 = dbot;
160 // update source ptrs
161 sp1++; sp2++;
162 // update dest ptrs - 2 pix at a time
163 dp1 += 320;
164 dp2 += 320;
165 }
166 // adjust src ptrs - skip a row as we work in pairs
167 sp1 += rowadd2;
168 sp2 += rowadd2;
169 // adjust dest ptrs for rotation
170 dp1 += rowadd;
171 dp2 += rowadd;
172 }
173 }
174 #endif
175
176 void SDL_QWin::repaintRect(const QRect& rect) {
177 if(!my_painter || !rect.width() || !rect.height()) {
178 return;
179 }
180 #ifndef __i386__
181
182 if(QPixmap::defaultDepth() == 16 &&
183 my_painter->transformOrientation() == 3 &&
184 my_painter->numRects() >= 0) {
185 if(my_image->width() == width()) {
186 ushort *fb = (ushort*)my_painter->frameBuffer();
187 ushort *buf = (ushort*)my_image->bits();
188 gs_fastRotateBlit_3(fb, buf, rect);
189 } else {
190 // landscape mode
191 uchar *fb = (uchar*)my_painter->frameBuffer();
192 uchar *buf = (uchar*)my_image->bits();
193 int h = rect.height();
194 int wd = rect.width()<<1;
195 int fblineadd = my_painter->lineStep();
196 int buflineadd = my_image->bytesPerLine();
197 fb += (rect.left()<<1) + rect.top() * my_painter->lineStep();
198 buf += (rect.left()<<1) + rect.top() * my_image->bytesPerLine();
199 while(h--) {
200 memcpy(fb, buf, wd);
201 fb += fblineadd;
202 buf += buflineadd;
203 }
204 }
205 } else {
206 #endif
207 QPainter pp(this);
208 pp.drawImage(rect.topLeft(), *my_image, rect);
209 pp.end();
210 #ifndef __i386__
211 }
212 #endif
213 }
214
215 // This paints the current buffer to the screen, when desired.
216 void SDL_QWin::paintEvent(QPaintEvent *ev) {
217 if(my_image && isVisible() && isActiveWindow()) {
218 lockScreen();
219 repaintRect(ev->rect());
220 unlockScreen();
221 }
222 }
223
224 /* Function to translate a keyboard transition and queue the key event */
225 void SDL_QWin::QueueKey(QKeyEvent *e, int pressed)
226 {
227 SDL_keysym keysym;
228 int scancode = e->key();
229 /* Set the keysym information */
230 if(scancode >= 'A' && scancode <= 'Z') {
231 // Qt sends uppercase, SDL wants lowercase
232 keysym.sym = static_cast<SDLKey>(scancode + 32);
233 } else if(scancode >= 0x1000) {
234 // Special keys
235 switch(scancode) {
236 case Qt::Key_Escape: scancode = SDLK_ESCAPE; break;
237 case Qt::Key_Tab: scancode = SDLK_TAB; break;
238 case Qt::Key_Backspace: scancode = SDLK_BACKSPACE; break;
239 case Qt::Key_Return: scancode = SDLK_RETURN; break;
240 case Qt::Key_Enter: scancode = SDLK_KP_ENTER; break;
241 case Qt::Key_Insert: scancode = SDLK_INSERT; break;
242 case Qt::Key_Delete: scancode = SDLK_DELETE; break;
243 case Qt::Key_Pause: scancode = SDLK_PAUSE; break;
244 case Qt::Key_Print: scancode = SDLK_PRINT; break;
245 case Qt::Key_SysReq: scancode = SDLK_SYSREQ; break;
246 case Qt::Key_Home: scancode = SDLK_HOME; break;
247 case Qt::Key_End: scancode = SDLK_END; break;
248 case Qt::Key_Left: scancode = SDLK_LEFT; break;
249 case Qt::Key_Up: scancode = SDLK_UP; break;
250 case Qt::Key_Right: scancode = SDLK_RIGHT; break;
251 case Qt::Key_Down: scancode = SDLK_DOWN; break;
252 case Qt::Key_Prior: scancode = SDLK_PAGEUP; break;
253 case Qt::Key_Next: scancode = SDLK_PAGEDOWN; break;
254 case Qt::Key_Shift: scancode = SDLK_LSHIFT; break;
255 case Qt::Key_Control: scancode = SDLK_LCTRL; break;
256 case Qt::Key_Meta: scancode = SDLK_LMETA; break;
257 case Qt::Key_Alt: scancode = SDLK_LALT; break;
258 case Qt::Key_CapsLock: scancode = SDLK_CAPSLOCK; break;
259 case Qt::Key_NumLock: scancode = SDLK_NUMLOCK; break;
260 case Qt::Key_ScrollLock: scancode = SDLK_SCROLLOCK; break;
261 case Qt::Key_F1: scancode = SDLK_F1; break;
262 case Qt::Key_F2: scancode = SDLK_F2; break;
263 case Qt::Key_F3: scancode = SDLK_F3; break;
264 case Qt::Key_F4: scancode = SDLK_F4; break;
265 case Qt::Key_F5: scancode = SDLK_F5; break;
266 case Qt::Key_F6: scancode = SDLK_F6; break;
267 case Qt::Key_F7: scancode = SDLK_F7; break;
268 case Qt::Key_F8: scancode = SDLK_F8; break;
269 case Qt::Key_F9: scancode = SDLK_F9; break;
270 case Qt::Key_F10: scancode = SDLK_F10; break;
271 case Qt::Key_F11: scancode = SDLK_F11; break;
272 case Qt::Key_F12: scancode = SDLK_F12; break;
273 case Qt::Key_F13: scancode = SDLK_F13; break;
274 case Qt::Key_F14: scancode = SDLK_F14; break;
275 case Qt::Key_F15: scancode = SDLK_F15; break;
276 case Qt::Key_Super_L: scancode = SDLK_LSUPER; break;
277 case Qt::Key_Super_R: scancode = SDLK_RSUPER; break;
278 case Qt::Key_Menu: scancode = SDLK_MENU; break;
279 case Qt::Key_Help: scancode = SDLK_HELP; break;
280 default:
281 scancode = SDLK_UNKNOWN;
282 break;
283 }
284 keysym.sym = static_cast<SDLKey>(scancode);
285 } else {
286 keysym.sym = static_cast<SDLKey>(scancode);
287 }
288 keysym.scancode = scancode;
289 keysym.mod = KMOD_NONE;
290 ButtonState st = e->state();
291 if( (st & ShiftButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LSHIFT); }
292 if( (st & ControlButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LCTRL); }
293 if( (st & AltButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LALT); }
294 if ( SDL_TranslateUNICODE ) {
295 QChar qchar = e->text()[0];
296 keysym.unicode = qchar.unicode();
297 } else {
298 keysym.unicode = 0;
299 }
300
301 /* NUMLOCK and CAPSLOCK are implemented as double-presses in reality */
302 // if ( (keysym.sym == SDLK_NUMLOCK) || (keysym.sym == SDLK_CAPSLOCK) ) {
303 // pressed = 1;
304 // }
305
306 /* Queue the key event */
307 if ( pressed ) {
308 SDL_PrivateKeyboard(SDL_PRESSED, &keysym);
309 } else {
310 SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
311 }
312 }
313
314 void SDL_QWin::setFullscreen(bool fs_on) {
315 my_has_fullscreen = false;
316 enableFullscreen();
317 }
318
319 void SDL_QWin::enableFullscreen() {
320 // Make sure size is correct
321 if(!my_has_fullscreen) {
322 setFixedSize(qApp->desktop()->size());
323 // This call is needed because showFullScreen won't work
324 // correctly if the widget already considers itself to be fullscreen.
325 showNormal();
326 // This is needed because showNormal() forcefully changes the window
327 // style to WSTyle_TopLevel.
328 setWFlags(WStyle_Customize | WStyle_NoBorder);
329 // Enable fullscreen.
330 showFullScreen();
331 my_has_fullscreen = true;
332 }
333 }