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      1 /*
      2     SDL - Simple DirectMedia Layer
      3     Copyright (C) 1997-2012 Sam Lantinga
      4 
      5     This library is free software; you can redistribute it and/or
      6     modify it under the terms of the GNU Lesser General Public
      7     License as published by the Free Software Foundation; either
      8     version 2.1 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     Lesser General Public License for more details.
     14 
     15     You should have received a copy of the GNU Lesser General Public
     16     License along with this library; if not, write to the Free Software
     17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     18 
     19     Sam Lantinga
     20     slouken (at) libsdl.org
     21 */
     22 #include "SDL_config.h"
     23 
     24 #ifndef _SDL_QWin_h
     25 #define _SDL_QWin_h
     26 
     27 #include <stdio.h>
     28 
     29 #include <qimage.h>
     30 #include <qpixmap.h>
     31 #include <qwidget.h>
     32 #include <qpainter.h>
     33 #include <qdirectpainter_qws.h>
     34 
     35 #include "SDL_events.h"
     36 
     37 extern "C" {
     38 #include "../../events/SDL_events_c.h"
     39 };
     40 
     41 typedef enum {
     42     SDL_QT_NO_ROTATION = 0,
     43     SDL_QT_ROTATION_90,
     44     SDL_QT_ROTATION_270
     45 } screenRotationT;
     46 
     47 extern screenRotationT screenRotation;
     48 
     49 class SDL_QWin : public QWidget
     50 {
     51   void QueueKey(QKeyEvent *e, int pressed);
     52  public:
     53   SDL_QWin(const QSize& size);
     54   virtual ~SDL_QWin();
     55   virtual bool shown(void) {
     56     return isVisible();
     57   }
     58   /* If called, the next resize event will not be forwarded to SDL. */
     59   virtual void inhibitResize(void) {
     60     my_inhibit_resize = true;
     61   }
     62   void setImage(QImage *image);
     63   void setOffset(int x, int y) {
     64     my_offset = QPoint(x, y);
     65   }
     66   void GetXYOffset(int &x, int &y) {
     67     x = my_offset.x();
     68     y = my_offset.y();
     69   }
     70   QImage *image(void) { return my_image; }
     71 
     72   void setWFlags(WFlags flags) {
     73     QWidget::setWFlags(flags);
     74     my_flags = flags;
     75   }
     76   const QPoint& mousePos() const { return my_mouse_pos; }
     77   void setMousePos(const QPoint& newpos);
     78   void setFullscreen(bool);
     79 
     80   bool lockScreen(bool force=false);
     81   void unlockScreen();
     82   void repaintRect(const QRect& rect);
     83  protected:
     84   /* Handle resizing of the window */
     85   virtual void resizeEvent(QResizeEvent *e);
     86   void focusInEvent(QFocusEvent *);
     87   void focusOutEvent(QFocusEvent *);
     88   void closeEvent(QCloseEvent *e);
     89   void mouseMoveEvent(QMouseEvent *e);
     90   void mousePressEvent(QMouseEvent *e);
     91   void mouseReleaseEvent(QMouseEvent *e);
     92   void paintEvent(QPaintEvent *ev);
     93   void keyPressEvent(QKeyEvent *e)   { QueueKey(e, 1); }
     94   void keyReleaseEvent(QKeyEvent *e) { QueueKey(e, 0); }
     95  private:
     96   bool repaintRotation0(const QRect& rect);
     97   bool repaintRotation1(const QRect& rect);
     98   bool repaintRotation3(const QRect& rect);
     99   void enableFullscreen();
    100   QDirectPainter *my_painter;
    101   QImage *my_image;
    102   bool my_inhibit_resize;
    103   QPoint my_offset;
    104   QPoint my_mouse_pos;
    105   WFlags my_flags;
    106   WFlags my_has_fullscreen;
    107   unsigned int my_locked;
    108 };
    109 
    110 #endif /* _SDL_QWin_h */
    111