| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 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 | #include "SDL_config.h" |
| 23 | |
| 24 | #include "SDL_QuartzVideo.h" |
| 25 | #include "SDL_QuartzWM.h" |
| 26 | #include "SDL_QuartzWindow.h" |
| 27 | |
| 28 | /* |
| 29 | This function makes the *SDL region* of the window 100% opaque. |
| 30 | The genie effect uses the alpha component. Otherwise, |
| 31 | it doesn't seem to matter what value it has. |
| 32 | */ |
| 33 | static void QZ_SetPortAlphaOpaque () { |
| 34 | |
| 35 | SDL_Surface *surface = current_video->screen; |
| 36 | int bpp; |
| 37 | |
| 38 | bpp = surface->format->BitsPerPixel; |
| 39 | |
| 40 | if (bpp == 32) { |
| 41 | |
| 42 | Uint32 *pixels = (Uint32*) surface->pixels; |
| 43 | Uint32 rowPixels = surface->pitch / 4; |
| 44 | Uint32 i, j; |
| 45 | |
| 46 | for (i = 0; i < surface->h; i++) |
| 47 | for (j = 0; j < surface->w; j++) { |
| 48 | |
| 49 | pixels[ (i * rowPixels) + j ] |= 0xFF000000; |
| 50 | } |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | @implementation SDL_QuartzWindow |
| 55 | |
| 56 | /* we override these methods to fix the miniaturize animation/dock icon bug */ |
| 57 | - (void)miniaturize:(id)sender |
| 58 | { |
| 59 | if (SDL_VideoSurface->flags & SDL_OPENGL) { |
| 60 | |
| 61 | /* |
| 62 | Future: Grab framebuffer and put into NSImage |
| 63 | [ qz_window setMiniwindowImage:image ]; |
| 64 | */ |
| 65 | } |
| 66 | else { |
| 67 | |
| 68 | /* make the alpha channel opaque so anim won't have holes in it */ |
| 69 | QZ_SetPortAlphaOpaque (); |
| 70 | } |
| 71 | |
| 72 | /* window is hidden now */ |
| 73 | SDL_PrivateAppActive (0, SDL_APPACTIVE); |
| 74 | |
| 75 | [ super miniaturize:sender ]; |
| 76 | } |
| 77 | |
| 78 | - (void)display |
| 79 | { |
| 80 | /* |
| 81 | This method fires just before the window deminaturizes from the Dock. |
| 82 | |
| 83 | We'll save the current visible surface, let the window manager redraw any |
| 84 | UI elements, and restore the SDL surface. This way, no expose event |
| 85 | is required, and the deminiaturize works perfectly. |
| 86 | */ |
| 87 | SDL_VideoDevice *this = (SDL_VideoDevice*)current_video; |
| 88 | |
| 89 | /* make sure pixels are fully opaque */ |
| 90 | if (! ( SDL_VideoSurface->flags & SDL_OPENGL ) ) |
| 91 | QZ_SetPortAlphaOpaque (); |
| 92 | |
| 93 | /* save current visible SDL surface */ |
| 94 | [ self cacheImageInRect:[ window_view frame ] ]; |
| 95 | |
| 96 | /* let the window manager redraw controls, border, etc */ |
| 97 | [ super display ]; |
| 98 | |
| 99 | /* restore visible SDL surface */ |
| 100 | [ self restoreCachedImage ]; |
| 101 | |
| 102 | /* window is visible again */ |
| 103 | SDL_PrivateAppActive (1, SDL_APPACTIVE); |
| 104 | } |
| 105 | |
| 106 | - (void)setFrame:(NSRect)frameRect display:(BOOL)flag |
| 107 | { |
| 108 | |
| 109 | /* |
| 110 | If the video surface is NULL, this originated from QZ_SetVideoMode, |
| 111 | so don't send the resize event. |
| 112 | */ |
| 113 | SDL_VideoDevice *this = (SDL_VideoDevice*)current_video; |
| 114 | |
| 115 | if (this && SDL_VideoSurface == NULL) { |
| 116 | |
| 117 | [ super setFrame:frameRect display:flag ]; |
| 118 | } |
| 119 | else if (this && qz_window) { |
| 120 | |
| 121 | NSRect newViewFrame; |
| 122 | |
| 123 | [ super setFrame:frameRect display:flag ]; |
| 124 | |
| 125 | newViewFrame = [ window_view frame ]; |
| 126 | |
| 127 | SDL_PrivateResize (newViewFrame.size.width, newViewFrame.size.height); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | /* QZ_DoActivate() calls a low-level CoreGraphics routine to adjust |
| 132 | the cursor position, if input is being grabbed. If app activation is |
| 133 | triggered by a mouse click in the title bar, then the window manager |
| 134 | gets confused and thinks we're dragging the window. The solution |
| 135 | below postpones the activate event to avoid this scenario. */ |
| 136 | - (void)becomeKeyWindow |
| 137 | { |
| 138 | NSEvent *event = [self currentEvent]; |
| 139 | if ([event type] == NSLeftMouseDown && [event window] == self) |
| 140 | watchForMouseUp = YES; |
| 141 | else |
| 142 | [super becomeKeyWindow]; |
| 143 | } |
| 144 | |
| 145 | - (void)sendEvent:(NSEvent *)event |
| 146 | { |
| 147 | [super sendEvent:event]; |
| 148 | if (watchForMouseUp && [event type] == NSLeftMouseUp) |
| 149 | { |
| 150 | watchForMouseUp = NO; |
| 151 | [super becomeKeyWindow]; |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | - (void)appDidHide:(NSNotification*)note |
| 156 | { |
| 157 | SDL_PrivateAppActive (0, SDL_APPACTIVE); |
| 158 | } |
| 159 | |
| 160 | - (void)appWillUnhide:(NSNotification*)note |
| 161 | { |
| 162 | SDL_VideoDevice *this = (SDL_VideoDevice*)current_video; |
| 163 | |
| 164 | if ( this ) { |
| 165 | |
| 166 | /* make sure pixels are fully opaque */ |
| 167 | if (! ( SDL_VideoSurface->flags & SDL_OPENGL ) ) |
| 168 | QZ_SetPortAlphaOpaque (); |
| 169 | |
| 170 | /* save current visible SDL surface */ |
| 171 | [ self cacheImageInRect:[ window_view frame ] ]; |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | - (void)appDidUnhide:(NSNotification*)note |
| 176 | { |
| 177 | /* restore cached image, since it may not be current, post expose event too */ |
| 178 | [ self restoreCachedImage ]; |
| 179 | |
| 180 | /*SDL_PrivateExpose ();*/ |
| 181 | |
| 182 | SDL_PrivateAppActive (1, SDL_APPACTIVE); |
| 183 | } |
| 184 | |
| 185 | - (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)styleMask backing:(NSBackingStoreType)backingType defer:(BOOL)flag |
| 186 | { |
| 187 | /* Make our window subclass receive these application notifications */ |
| 188 | [ [ NSNotificationCenter defaultCenter ] addObserver:self |
| 189 | selector:@selector(appDidHide:) name:NSApplicationDidHideNotification object:NSApp ]; |
| 190 | |
| 191 | [ [ NSNotificationCenter defaultCenter ] addObserver:self |
| 192 | selector:@selector(appDidUnhide:) name:NSApplicationDidUnhideNotification object:NSApp ]; |
| 193 | |
| 194 | [ [ NSNotificationCenter defaultCenter ] addObserver:self |
| 195 | selector:@selector(appWillUnhide:) name:NSApplicationWillUnhideNotification object:NSApp ]; |
| 196 | |
| 197 | return [ super initWithContentRect:contentRect styleMask:styleMask backing:backingType defer:flag ]; |
| 198 | } |
| 199 | |
| 200 | @end |
| 201 | |
| 202 | @implementation SDL_QuartzWindowDelegate |
| 203 | - (BOOL)windowShouldClose:(id)sender |
| 204 | { |
| 205 | SDL_PrivateQuit(); |
| 206 | return NO; |
| 207 | } |
| 208 | |
| 209 | - (void)windowDidBecomeKey:(NSNotification *)aNotification |
| 210 | { |
| 211 | QZ_DoActivate (current_video); |
| 212 | } |
| 213 | |
| 214 | - (void)windowDidResignKey:(NSNotification *)aNotification |
| 215 | { |
| 216 | QZ_DoDeactivate (current_video); |
| 217 | } |
| 218 | |
| 219 | @end |
| 220 | |
| 221 | @implementation SDL_QuartzView |
| 222 | |
| 223 | - (void)resetCursorRects |
| 224 | { |
| 225 | SDL_Cursor *sdlc = SDL_GetCursor(); |
| 226 | if (sdlc != NULL && sdlc->wm_cursor != NULL) { |
| 227 | [self addCursorRect: [self visibleRect] cursor: sdlc->wm_cursor->nscursor]; |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | @end |