wmjmail/src/xutils/xutils.c

   1 /*
   2  *   xutils.c - A collection of X-windows utilties for creating WindowMAker
   3  *              DockApps.
   4  *
   5  *     This file contains alot of the lower-level X windows routines. Origins
   6  *     with wmppp (by  Martijn Pieterse (pieterse@xs4all.nl)), but its been
   7  *     hacked up quite a bit and passed on from one new DockApp to the next.
   8  *
   9  *
  10  *
  11  *
  12  *      This program is free software; you can redistribute it and/or modify
  13  *      it under the terms of the GNU General Public License as published by
  14  *      the Free Software Foundation; either version 2, or (at your option)
  15  *      any later version.
  16  *
  17  *      This program is distributed in the hope that it will be useful,
  18  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *      GNU General Public License for more details.
  21  *
  22  *      You should have received a copy of the GNU General Public License
  23  *      along with this program (see the file COPYING); if not, write to the
  24  *      Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25  *      Boston, MA  02111-1307, USA
  26  *
  27  *
  28  *
  29  *
  30  */
  31 #include <stdlib.h>
  32 #include <stdio.h>
  33 #include <string.h>
  34 #include <unistd.h>
  35 #include <ctype.h>
  36 #include <stdarg.h>
  37 #include <X11/Xlib.h>
  38 #include <X11/xpm.h>
  39 #include <X11/extensions/shape.h>
  40 #include "xutils.h"
  41
  42
  43
  44 /*
  45  *   X11 Variables
  46  */
  47 int             x_fd;
  48 XSizeHints      mysizehints;
  49 XWMHints        mywmhints;
  50 Pixel           back_pix, fore_pix;
  51 char            *Geometry = "";
  52 GC              NormalGC;
  53 XpmIcon         wmgen;
  54 Pixmap          pixmask;
  55
  56
  57
  58
  59
  60 /*
  61  *   flush_expose
  62  */
  63 static int flush_expose(Window w) {
  64
  65     XEvent      dummy;
  66     int         i=0;
  67
  68     while (XCheckTypedWindowEvent(display, w, Expose, &dummy))
  69     i++;
  70
  71     return i;
  72
  73 }
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83 /*
  84  *   RedrawWindow
  85  *   RedrawWindowXY
  86  */
  87 void RedrawWindow(void) {
  88
  89     flush_expose(iconwin);
  90     XCopyArea(display, wmgen.pixmap, iconwin, NormalGC, 0,0, wmgen.attributes.width, wmgen.attributes.height, 0, 0);
  91
  92     flush_expose(win);
  93     XCopyArea(display, wmgen.pixmap, win, NormalGC, 0,0, wmgen.attributes.width, wmgen.attributes.height, 0, 0);
  94
  95 }
  96
  97 void RedrawWindowXY(int x, int y) {
  98
  99     flush_expose(iconwin);
 100     XCopyArea(display, wmgen.pixmap, iconwin, NormalGC, x,y, wmgen.attributes.width, wmgen.attributes.height, 0, 0);
 101
 102     flush_expose(win);
 103     XCopyArea(display, wmgen.pixmap, win, NormalGC, x,y, wmgen.attributes.width, wmgen.attributes.height, 0, 0);
 104
 105 }
 106
 107
 108
 109
 110
 111
 112
 113 /*
 114  *   copyXPMArea
 115  *   copyXBMArea
 116  */
 117
 118
 119 /*void copyXPMArea(source_x, source_y, width, height, destx, desty) */
 120
 121
 122
 123 void copyXPMArea(int x, int y, int sx, int sy, int dx, int dy) {
 124         XCopyArea(display, wmgen.pixmap, wmgen.pixmap, NormalGC, x, y, sx, sy, dx, dy);
 125 }
 126
 127 void copyXBMArea(int x, int y, int sx, int sy, int dx, int dy) {
 128
 129         XCopyArea(display, wmgen.mask, wmgen.pixmap, NormalGC, x, y, sx, sy, dx, dy);
 130 }
 131
 132
 133
 134 /*
 135  *   initXwindow
 136  */
 137 void initXwindow(int argc, char *argv[]){
 138
 139     int          i;
 140     char        *display_name = NULL;
 141
 142     for (i=1; argv[i]; ++i) {
 143         if (!strcmp(argv[i], "-display")) display_name = argv[i+1];
 144     }
 145
 146
 147     if (!(display = XOpenDisplay(display_name))) {
 148         fprintf(stderr, "%s: can't open display %s\n",
 149                 argv[0], XDisplayName(display_name));
 150         exit(1);
 151     }
 152
 153
 154     screen       = DefaultScreen(display);
 155     Root         = RootWindow(display, screen);
 156     DisplayDepth = DefaultDepth(display, screen);
 157     x_fd         = XConnectionNumber(display);
 158
 159 }
 160
 161
 162
 163
 164
 165 /*
 166  *   openXwindow
 167  */
 168 void openXwindow(int argc, char *argv[], char *pixmap_bytes[], char *pixmask_bits,
 169     int pixmask_width, int pixmask_height, char *BackColor, char *LabelColor,
 170     char *WindGustColor, char *DataColor, char *StationTimeColor) {
 171
 172     unsigned int        borderwidth = 1;
 173     XClassHint          classHint;
 174     char                *wname = argv[0];
 175     XTextProperty       name;
 176     XGCValues           gcv;
 177     unsigned long       gcm;
 178     int                 dummy=0;
 179     XpmColorSymbol      cols[5]={       {"BackColor", NULL, 0},
 180                                         {"LabelColor", NULL, 0},
 181                                         {"DataColor", NULL, 0},
 182                                         {"WindGustColor", NULL, 0},
 183                                         {"StationTimeColor", NULL, 0}   };
 184
 185
 186
 187
 188     /*
 189      *  Create Pixmap
 190      */
 191     cols[0].pixel                 = getColor(BackColor, 1.0);
 192     cols[1].pixel                 = getColor(LabelColor, 1.0);
 193     cols[2].pixel                 = getColor(DataColor, 1.0);
 194     cols[3].pixel                 = getColor(WindGustColor, 1.0);
 195     cols[4].pixel                 = getColor(StationTimeColor, 1.0);
 196     wmgen.attributes.numsymbols   = 5;
 197     wmgen.attributes.colorsymbols = cols;
 198     wmgen.attributes.exactColors  = False;
 199     wmgen.attributes.closeness    = 40000;
 200     wmgen.attributes.valuemask    = XpmReturnPixels | XpmReturnExtensions | XpmColorSymbols
 201                                                         | XpmExactColors | XpmCloseness | XpmSize;
 202     if (XpmCreatePixmapFromData(display, Root, pixmap_bytes,
 203       &(wmgen.pixmap), &(wmgen.mask), &(wmgen.attributes)) != XpmSuccess){
 204         fprintf(stderr, "Not enough free colorcells.\n");
 205         exit(1);
 206     }
 207
 208
 209
 210
 211     /*
 212      *  Create a window
 213      */
 214     mysizehints.flags = USSize | USPosition;
 215     mysizehints.x = 0;
 216     mysizehints.y = 0;
 217
 218     back_pix = getColor("white", 1.0);
 219     fore_pix = getColor("black", 1.0);
 220
 221     XWMGeometry(display, screen, Geometry, NULL, borderwidth, &mysizehints,
 222                                 &mysizehints.x, &mysizehints.y,&mysizehints.width,&mysizehints.height, &dummy);
 223
 224     mysizehints.width = 64;
 225     mysizehints.height = 64;
 226
 227
 228
 229     win = XCreateSimpleWindow(display, Root, mysizehints.x, mysizehints.y,
 230                                 mysizehints.width, mysizehints.height, borderwidth, fore_pix, back_pix);
 231
 232     iconwin = XCreateSimpleWindow(display, win, mysizehints.x, mysizehints.y,
 233                                 mysizehints.width, mysizehints.height, borderwidth, fore_pix, back_pix);
 234
 235
 236
 237     /*
 238      *  Activate hints
 239      */
 240     XSetWMNormalHints(display, win, &mysizehints);
 241     classHint.res_name = wname;
 242     classHint.res_class = wname;
 243     XSetClassHint(display, win, &classHint);
 244
 245
 246
 247     /*
 248      *  Set up the xevents that you want the relevent windows to inherit
 249      *  Currently, its seems that setting KeyPress events here has no
 250      *  effect. I.e. for some you will need to Grab the focus and then return
 251      *  it after you are done...
 252      */
 253     XSelectInput(display, win, ButtonPressMask | ExposureMask | ButtonReleaseMask
 254                 | PointerMotionMask | StructureNotifyMask | EnterWindowMask | LeaveWindowMask
 255                                                 | KeyPressMask | KeyReleaseMask);
 256     XSelectInput(display, iconwin, ButtonPressMask | ExposureMask | ButtonReleaseMask
 257                 | PointerMotionMask | StructureNotifyMask | EnterWindowMask | LeaveWindowMask
 258                                                 | KeyPressMask | KeyReleaseMask);
 259
 260
 261     if (XStringListToTextProperty(&wname, 1, &name) == 0) {
 262         fprintf(stderr, "%s: can't allocate window name\n", wname);
 263         exit(1);
 264     }
 265
 266
 267     XSetWMName(display, win, &name);
 268
 269     /*
 270      *   Create Graphics Context (GC) for drawing
 271      */
 272     gcm = GCForeground | GCBackground | GCGraphicsExposures;
 273     gcv.foreground = fore_pix;
 274     gcv.background = back_pix;
 275     gcv.graphics_exposures = 0;
 276     NormalGC = XCreateGC(display, Root, gcm, &gcv);
 277
 278
 279
 280     pixmask = XCreateBitmapFromData(display, win, pixmask_bits, pixmask_width, pixmask_height);
 281     XShapeCombineMask(display, win, ShapeBounding, 0, 0, pixmask, ShapeSet);
 282     XShapeCombineMask(display, iconwin, ShapeBounding, 0, 0, pixmask, ShapeSet);
 283
 284
 285     mywmhints.initial_state = WithdrawnState;
 286     mywmhints.icon_window = iconwin;
 287     mywmhints.icon_x = mysizehints.x;
 288     mywmhints.icon_y = mysizehints.y;
 289     mywmhints.window_group = win;
 290     mywmhints.flags = StateHint | IconWindowHint | IconPositionHint | WindowGroupHint;
 291
 292
 293     XSetWMHints(display, win, &mywmhints);
 294
 295
 296     XSetCommand(display, win, argv, argc);
 297     XMapWindow(display, win);
 298
 299 }
 300
 301 unsigned long getColor(char *ColorName, float fac) {
 302
 303      XColor             Color;
 304      XWindowAttributes  Attributes;
 305
 306      XGetWindowAttributes(display, Root, &Attributes);
 307      Color.pixel = 0;
 308
 309      XParseColor(display, Attributes.colormap, ColorName, &Color);
 310      Color.red   = (unsigned short)(Color.red/fac);
 311      Color.blue  = (unsigned short)(Color.blue/fac);
 312      Color.green = (unsigned short)(Color.green/fac);
 313      Color.flags = DoRed | DoGreen | DoBlue;
 314      XAllocColor(display, Attributes.colormap, &Color);
 315
 316      return Color.pixel;
 317
 318 }
 319