annotate src/video/bwindow/SDL_BView.h @ 3857:be01e0b82dca SDL-1.2

Allow mouse to be locked when grabbed with GEM driver
author Patrice Mandin <patmandin@gmail.com>
date Tue, 12 Sep 2006 19:28:54 +0000
parents d910939febfa
children 782fd950bd46 c121d94672cb 678576473849
rev   line source
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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 #ifndef _SDL_BView_h
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25 #define _SDL_BView_h
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26
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27 /* This is the event handling and graphics update portion of SDL_BWin */
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28
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29 extern "C" {
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30 #include "../../events/SDL_events_c.h"
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31 };
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32
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33 class SDL_BView : public BView
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34 {
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35 public:
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36 SDL_BView(BRect frame) :
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37 BView(frame, "SDL View", B_FOLLOW_ALL_SIDES,
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38 (B_WILL_DRAW|B_FRAME_EVENTS)) {
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39 image = NULL;
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40 xoff = yoff = 0;
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41 SetViewColor(0,0,0,0);
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42 SetHighColor(0,0,0,0);
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43 }
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44 virtual ~SDL_BView() {
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45 SetBitmap(NULL);
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46 }
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47 /* Set drawing offsets for fullscreen mode */
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48 virtual void SetXYOffset(int x, int y) {
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49 xoff = x;
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50 yoff = y;
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51 }
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52 virtual void GetXYOffset(int &x, int &y) {
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53 x = xoff;
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54 y = yoff;
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55 }
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56 /* The view changed size. If it means we're in fullscreen, we
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57 * draw a nice black box in the entire view to get black borders.
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58 */
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59 virtual void FrameResized(float width, float height) {
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60 BRect bounds;
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61 bounds.top = bounds.left = 0;
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62 bounds.right = width;
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63 bounds.bottom = height;
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64 /* Fill the entire view with black */
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65 FillRect(bounds, B_SOLID_HIGH);
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66 /* And if there's an image, redraw it. */
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67 if( image ) {
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68 bounds = image->Bounds();
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69 Draw(bounds);
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70 }
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71 }
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72
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73 /* Drawing portion of this complete breakfast. :) */
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74 virtual void SetBitmap(BBitmap *bitmap) {
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75 if ( image ) {
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76 delete image;
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77 }
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78 image = bitmap;
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79 }
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80 virtual void Draw(BRect updateRect) {
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81 if ( image ) {
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82 if(xoff || yoff) {
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83 BRect dest;
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84 dest.top = updateRect.top + yoff;
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85 dest.left = updateRect.left + xoff;
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86 dest.bottom = updateRect.bottom + yoff;
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87 dest.right = updateRect.right + xoff;
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88 DrawBitmap(image, updateRect, dest);
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89 } else {
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90 DrawBitmap(image, updateRect, updateRect);
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91 }
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92 }
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93 }
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94 virtual void DrawAsync(BRect updateRect) {
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95 if(xoff || yoff) {
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96 BRect dest;
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97 dest.top = updateRect.top + yoff;
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98 dest.left = updateRect.left + xoff;
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99 dest.bottom = updateRect.bottom + yoff;
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100 dest.right = updateRect.right + xoff;;
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101 DrawBitmapAsync(image, updateRect, dest);
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102 } else {
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103 DrawBitmapAsync(image, updateRect, updateRect);
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104 }
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105 }
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106
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107 private:
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108 BBitmap *image;
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109 int xoff, yoff;
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110 };
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112 #endif /* _SDL_BView_h */