wmbatteries/src/dockapp.c

   1 /*
   2  * Copyright (c) 1999 Alfredo K. Kojima
   3  * Copyright (c) 2001, 2002 Seiichi SATO <ssato@sh.rim.or.jp>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy
   6  * of this software and associated documentation files (the "Software"), to deal
   7  * in the Software without restriction, including without limitation the rights
   8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  * copies of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  18  * AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  19  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  20  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21
  22  * This code is based on libdockapp-0.4.0
  23  * modified by Seiichi SATO <ssato@sh.rim.or.jp>
  24  */
  25
  26 #include "dockapp.h"
  27
  28 #define WINDOWED_SIZE_W 64
  29 #define WINDOWED_SIZE_H 64
  30
  31 /* global */
  32 Display *display = NULL;
  33 Bool    dockapp_iswindowed = False;
  34 Bool    dockapp_isbrokenwm = False;
  35
  36 /* private */
  37 static Window   window = None;
  38 static Window   icon_window = None;
  39 static GC       gc = NULL;
  40 static int      depth = 0;
  41 static Atom     delete_win;
  42 static int      width, height;
  43 static int      offset_w, offset_h;
  44
  45 void
  46 dockapp_open_window(char *display_specified, char *appname,
  47                     unsigned w, unsigned h, int argc, char **argv)
  48 {
  49     XClassHint      *classhint;
  50     XWMHints        *wmhints;
  51     Status          stat;
  52     XTextProperty   title;
  53     XSizeHints      sizehints;
  54     Window          root;
  55     int             ww, wh;
  56
  57     /* Open Connection to X Server */
  58     display = XOpenDisplay(display_specified);
  59     if (!display) {
  60         fprintf(stderr, "%s: could not open display %s!\n", argv[0],
  61                 XDisplayName(display_specified));
  62         exit(1);
  63     }
  64     root = DefaultRootWindow(display);
  65
  66     width = w;
  67     height = h;
  68
  69     if (dockapp_iswindowed) {
  70         offset_w = (WINDOWED_SIZE_W - w) / 2;
  71         offset_h = (WINDOWED_SIZE_H - h) / 2;
  72         ww = WINDOWED_SIZE_W;
  73         wh = WINDOWED_SIZE_H;
  74     } else {
  75         offset_w = offset_h = 0;
  76         ww = w;
  77         wh = h;
  78     }
  79
  80     /* Create Windows */
  81     icon_window = XCreateSimpleWindow(display, root, 0, 0, ww, wh, 0, 0, 0);
  82     if (dockapp_isbrokenwm) {
  83         window = XCreateSimpleWindow(display, root, 0, 0, ww, wh, 0, 0, 0);
  84     } else {
  85         window = XCreateSimpleWindow(display, root, 0, 0, 1, 1, 0, 0, 0);
  86     }
  87
  88     /* Set ClassHint */
  89     classhint = XAllocClassHint();
  90     if (classhint == NULL) {
  91         fprintf(stderr, "%s: can't allocate memory for wm hints!\n", argv[0]);
  92         exit(1);
  93     }
  94     classhint->res_class = "DockApp";
  95     classhint->res_name = appname;
  96     XSetClassHint(display, window, classhint);
  97     XFree(classhint);
  98
  99     /* Set WMHints */
 100     wmhints = XAllocWMHints();
 101     if (wmhints == NULL) {
 102         fprintf(stderr, "%s: can't allocate memory for wm hints!\n", argv[0]);
 103         exit(1);
 104     }
 105     wmhints->flags = IconWindowHint | WindowGroupHint;
 106     if (!dockapp_iswindowed) {
 107         wmhints->flags |= StateHint;
 108         wmhints->initial_state = WithdrawnState;
 109     }
 110     wmhints->window_group = window;
 111     wmhints->icon_window = icon_window;
 112     XSetWMHints(display, window, wmhints);
 113     XFree(wmhints);
 114
 115     /* Set WM Protocols */
 116     delete_win = XInternAtom(display, "WM_DELETE_WINDOW", False);
 117     XSetWMProtocols (display, icon_window, &delete_win, 1);
 118
 119     /* Set Size Hints */
 120     sizehints.flags = USSize;
 121     if (!dockapp_iswindowed) {
 122         sizehints.flags |= USPosition;
 123         sizehints.x = sizehints.y = 0;
 124     } else {
 125         sizehints.flags |= PMinSize | PMaxSize;
 126         sizehints.min_width = sizehints.max_width = WINDOWED_SIZE_W;
 127         sizehints.min_height = sizehints.max_height = WINDOWED_SIZE_H;
 128     }
 129     sizehints.width = ww;
 130     sizehints.height = wh;
 131     XSetWMNormalHints(display, icon_window, &sizehints);
 132
 133     /* Set WindowTitle for AfterStep Wharf */
 134     stat = XStringListToTextProperty(&appname, 1, &title);
 135     XSetWMName(display, window, &title);
 136     XSetWMName(display, icon_window, &title);
 137
 138     /* Set Command to start the app so it can be docked properly */
 139     XSetCommand(display, window, argv, argc);
 140
 141     depth = DefaultDepth(display, DefaultScreen(display));
 142     gc = DefaultGC(display, DefaultScreen(display));
 143
 144     XFlush(display);
 145 }
 146
 147
 148 void
 149 dockapp_set_eventmask(long mask)
 150 {
 151     XSelectInput(display, icon_window, mask);
 152     XSelectInput(display, window, mask);
 153 }
 154
 155
 156 static Pixmap
 157 create_bg_pixmap(void)
 158 {
 159     Pixmap bg;
 160
 161     bg = XCreatePixmap(display, icon_window, WINDOWED_SIZE_W, WINDOWED_SIZE_H,
 162                        depth);
 163     XSetForeground(display, gc, dockapp_getcolor("rgb:ae/aa/ae"));
 164     XFillRectangle(display, bg, gc, 0, 0, WINDOWED_SIZE_W, WINDOWED_SIZE_H);
 165     XSetForeground(display, gc, dockapp_getcolor("rgb:ff/ff/ff"));
 166     XDrawLine(display, bg, gc, 0, 0, 0, 63);
 167     XDrawLine(display, bg, gc, 1, 0, 1, 62);
 168     XDrawLine(display, bg, gc, 2, 0, 63, 0);
 169     XDrawLine(display, bg, gc, 2, 1, 62, 1);
 170     XSetForeground(display, gc, dockapp_getcolor("rgb:52/55/52"));
 171     XDrawLine(display, bg, gc, 1, 63, 63, 63);
 172     XDrawLine(display, bg, gc, 2, 62, 63, 62);
 173     XDrawLine(display, bg, gc, 63, 1, 63, 61);
 174     XDrawLine(display, bg, gc, 62, 2, 62, 61);
 175
 176     return bg;
 177 }
 178
 179
 180 void
 181 dockapp_set_background(Pixmap pixmap)
 182 {
 183     if (dockapp_iswindowed) {
 184         Pixmap bg;
 185         bg = create_bg_pixmap();
 186         XCopyArea(display, pixmap, bg, gc, 0, 0, width, height,
 187                   offset_w, offset_w);
 188         XSetWindowBackgroundPixmap(display, icon_window, bg);
 189         XSetWindowBackgroundPixmap(display, window, bg);
 190         XFreePixmap(display, bg);
 191     } else {
 192         XSetWindowBackgroundPixmap(display, icon_window, pixmap);
 193         XSetWindowBackgroundPixmap(display, window, pixmap);
 194     }
 195     XClearWindow(display, icon_window);
 196     XFlush(display);
 197 }
 198
 199
 200 void
 201 dockapp_show(void)
 202 {
 203     if (!dockapp_iswindowed)
 204         XMapRaised(display, window);
 205     else
 206         XMapRaised(display, icon_window);
 207
 208     XFlush(display);
 209 }
 210
 211
 212 Bool
 213 dockapp_xpm2pixmap(char **data, Pixmap *pixmap, Pixmap *mask,
 214                    XpmColorSymbol * colorSymbol, unsigned int nsymbols)
 215 {
 216     XpmAttributes xpmAttr;
 217     xpmAttr.valuemask = XpmCloseness;
 218     xpmAttr.closeness = 40000;
 219
 220     if (nsymbols) {
 221         xpmAttr.colorsymbols = colorSymbol;
 222         xpmAttr.numsymbols = nsymbols;
 223         xpmAttr.valuemask |= XpmColorSymbols;
 224     }
 225
 226     if (XpmCreatePixmapFromData(display, icon_window, data, pixmap, mask, &xpmAttr) != 0)
 227         return False;
 228
 229     return True;
 230 }
 231
 232
 233 Pixmap
 234 dockapp_XCreatePixmap(int w, int h)
 235 {
 236     return (XCreatePixmap(display, icon_window, w, h, depth));
 237 }
 238
 239
 240 void
 241 dockapp_setshape(Pixmap mask, int x_ofs, int y_ofs)
 242 {
 243     XShapeCombineMask(display, icon_window, ShapeBounding, -x_ofs, -y_ofs,
 244                       mask, ShapeSet);
 245     XShapeCombineMask(display, window, ShapeBounding, -x_ofs, -y_ofs,
 246                       mask, ShapeSet);
 247     XFlush(display);
 248 }
 249
 250
 251 void
 252 dockapp_copyarea(Pixmap src, Pixmap dist, int x_src, int y_src, int w, int h,
 253                  int x_dist, int y_dist)
 254 {
 255     XCopyArea(display, src, dist, gc, x_src, y_src, w, h, x_dist, y_dist);
 256 }
 257
 258
 259 void
 260 dockapp_copy2window (Pixmap src)
 261 {
 262     if (dockapp_isbrokenwm) {
 263         XCopyArea(display, src, window, gc, 0, 0, width, height, offset_w,
 264                   offset_h);
 265     } else {
 266         XCopyArea(display, src, icon_window, gc, 0, 0, width, height, offset_w,
 267                   offset_h);
 268     }
 269 }
 270
 271
 272 Bool
 273 dockapp_nextevent_or_timeout(XEvent *event, unsigned long miliseconds)
 274 {
 275     struct timeval timeout;
 276     fd_set rset;
 277
 278     XSync(display, False);
 279     if (XPending(display)) {
 280         XNextEvent(display, event);
 281         return True;
 282     }
 283
 284     timeout.tv_sec = miliseconds / 1000;
 285     timeout.tv_usec = (miliseconds % 1000) * 1000;
 286
 287     FD_ZERO(&rset);
 288     FD_SET(ConnectionNumber(display), &rset);
 289     if (select(ConnectionNumber(display)+1, &rset, NULL, NULL, &timeout) > 0) {
 290         XNextEvent(display, event);
 291         if (event->type == ClientMessage) {
 292             if (event->xclient.data.l[0] == delete_win) {
 293                 XDestroyWindow(display,event->xclient.window);
 294                 XCloseDisplay(display);
 295                 exit(0);
 296             }
 297         }
 298         if (dockapp_iswindowed) {
 299                 event->xbutton.x -= offset_w;
 300                 event->xbutton.y -= offset_h;
 301         }
 302         return True;
 303     }
 304
 305     return False;
 306 }
 307
 308
 309 unsigned long
 310 dockapp_getcolor(char *color_name)
 311 {
 312     XColor color;
 313
 314     if (!XParseColor(display, DefaultColormap(display, DefaultScreen(display)),
 315                      color_name, &color))
 316         fprintf(stderr, "can't parse color %s\n", color_name), exit(1);
 317
 318     if (!XAllocColor(display, DefaultColormap(display, DefaultScreen(display)),
 319                      &color)) {
 320         fprintf(stderr, "can't allocate color %s. Using black\n", color_name);
 321         return BlackPixel(display, DefaultScreen(display));
 322     }
 323
 324     return color.pixel;
 325 }
 326
 327
 328 unsigned long
 329 dockapp_blendedcolor(char *color_name, int r, int g, int b, float fac)
 330 {
 331     XColor color;
 332
 333     if ((r < -255 || r > 255)||(g < -255 || g > 255)||(b < -255 || b > 255)){
 334         fprintf(stderr, "r:%d,g:%d,b:%d (r,g,b must be 0 to 255)", r, g, b);
 335         exit(1);
 336     }
 337
 338     r *= 255;
 339     g *= 255;
 340     b *= 255;
 341
 342     if (!XParseColor(display, DefaultColormap(display, DefaultScreen(display)),
 343                      color_name, &color))
 344         fprintf(stderr, "can't parse color %s\n", color_name), exit(1);
 345
 346     if (!XAllocColor(display, DefaultColormap(display, DefaultScreen(display)),
 347                      &color)) {
 348         fprintf(stderr, "can't allocate color %s. Using black\n", color_name);
 349         return BlackPixel(display, DefaultScreen(display));
 350     }
 351
 352     if (DefaultDepth(display, DefaultScreen(display)) < 16)
 353         return color.pixel;
 354
 355     /* red */
 356     if (color.red + r > 0xffff) {
 357         color.red = 0xffff;
 358     } else if (color.red + r < 0) {
 359         color.red = 0;
 360     } else {
 361         color.red = (unsigned short)(fac * color.red + r);
 362     }
 363
 364     /* green */
 365     if (color.green + g > 0xffff) {
 366         color.green = 0xffff;
 367     } else if (color.green + g < 0) {
 368         color.green = 0;
 369     } else {
 370         color.green = (unsigned short)(fac * color.green + g);
 371     }
 372
 373     /* blue */
 374     if (color.blue + b > 0xffff) {
 375         color.blue = 0xffff;
 376     } else if (color.blue + b < 0) {
 377         color.blue = 0;
 378     } else {
 379         color.blue = (unsigned short)(fac * color.blue + b);
 380     }
 381
 382     color.flags = DoRed | DoGreen | DoBlue;
 383
 384     if (!XAllocColor(display, DefaultColormap(display, DefaultScreen(display)),
 385                      &color)) {
 386         fprintf(stderr, "can't allocate color %s. Using black\n", color_name);
 387         return BlackPixel(display, DefaultScreen(display));
 388     }
 389
 390     return color.pixel;
 391 }