wmifinfo/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 with wmppp
   6  *     (by  Martijn Pieterse (pieterse@xs4all.nl)), but its been hacked up quite a bit
   7  *     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., 51 Franklin Street, Fifth Floor,
  25  *      Boston, MA 02110-1301 USA
  26  *
  27  *
  28  * $Id: xutils.c,v 1.2 2002/09/15 14:31:41 ico Exp $
  29  *
  30  *
  31  */
  32 #include <stdlib.h>
  33 #include <stdio.h>
  34 #include <string.h>
  35 #include <unistd.h>
  36 #include <ctype.h>
  37 #include <stdarg.h>
  38 #include <X11/Xlib.h>
  39 #include <X11/xpm.h>
  40 #include <X11/extensions/shape.h>
  41 #include "xutils.h"
  42
  43
  44
  45 /*
  46  *   X11 Variables
  47  */
  48 int             x_fd;
  49 XSizeHints      mysizehints;
  50 XWMHints        mywmhints;
  51 Pixel           back_pix, fore_pix;
  52 char            *Geometry = "";
  53 GC              NormalGC;
  54 XpmIcon         wmgen;
  55 Pixmap          pixmask;
  56
  57
  58
  59
  60
  61 /*
  62  *   flush_expose
  63  */
  64 static int flush_expose(Window w) {
  65
  66     XEvent      dummy;
  67     int         i=0;
  68
  69     while (XCheckTypedWindowEvent(display, w, Expose, &dummy))
  70     i++;
  71
  72     return i;
  73
  74 }
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84 /*
  85  *   RedrawWindow
  86  *   RedrawWindowXY
  87  */
  88 void RedrawWindow(void) {
  89
  90     flush_expose(iconwin);
  91     XCopyArea(display, wmgen.pixmap, iconwin, NormalGC, 0,0, wmgen.attributes.width, wmgen.attributes.height, 0, 0);
  92
  93     flush_expose(win);
  94     XCopyArea(display, wmgen.pixmap, win, NormalGC, 0,0, wmgen.attributes.width, wmgen.attributes.height, 0, 0);
  95
  96 }
  97
  98 void RedrawWindowXY(int x, int y) {
  99
 100     flush_expose(iconwin);
 101     XCopyArea(display, wmgen.pixmap, iconwin, NormalGC, x,y, wmgen.attributes.width, wmgen.attributes.height, 0, 0);
 102
 103     flush_expose(win);
 104     XCopyArea(display, wmgen.pixmap, win, NormalGC, x,y, wmgen.attributes.width, wmgen.attributes.height, 0, 0);
 105
 106 }
 107
 108
 109
 110
 111
 112
 113
 114 /*
 115  *   copyXPMArea
 116  *   copyXBMArea
 117  */
 118 void copyXPMArea(int x, int y, int sx, int sy, int dx, int dy) {
 119         XCopyArea(display, wmgen.pixmap, wmgen.pixmap, NormalGC, x, y, sx, sy, dx, dy);
 120 }
 121
 122 void copyXBMArea(int x, int y, int sx, int sy, int dx, int dy) {
 123
 124         XCopyArea(display, wmgen.mask, wmgen.pixmap, NormalGC, x, y, sx, sy, dx, dy);
 125 }
 126
 127
 128
 129 /*
 130  *   initXwindow
 131  */
 132 void initXwindow(int argc, char *argv[]){
 133
 134     int          i;
 135     char        *display_name = NULL;
 136
 137     for (i=1; argv[i]; ++i) {
 138         if (!strcmp(argv[i], "-display")) display_name = argv[i+1];
 139     }
 140
 141
 142     if (!(display = XOpenDisplay(display_name))) {
 143         fprintf(stderr, "%s: can't open display %s\n",
 144                 argv[0], XDisplayName(display_name));
 145         exit(1);
 146     }
 147
 148
 149     screen       = DefaultScreen(display);
 150     Root         = RootWindow(display, screen);
 151     DisplayDepth = DefaultDepth(display, screen);
 152     x_fd         = XConnectionNumber(display);
 153
 154 }
 155
 156
 157
 158
 159
 160 /*
 161  *   openXwindow
 162  */
 163 void openXwindow(int argc, char *argv[], char *pixmap_bytes[], char *pixmask_bits,
 164     int pixmask_width, int pixmask_height, char *BackColor, char *LabelColor,
 165     char *WindGustColor, char *DataColor, char *StationTimeColor) {
 166
 167     unsigned int        borderwidth = 1;
 168     XClassHint          classHint;
 169     char                *wname = argv[0];
 170     XTextProperty       name;
 171     XGCValues           gcv;
 172     unsigned long       gcm;
 173     int                 dummy=0;
 174     XpmColorSymbol      cols[5]={       {"BackColor", NULL, 0},
 175                                         {"LabelColor", NULL, 0},
 176                                         {"DataColor", NULL, 0},
 177                                         {"WindGustColor", NULL, 0},
 178                                         {"StationTimeColor", NULL, 0}   };
 179
 180
 181
 182
 183     /*
 184      *  Create Pixmap
 185      */
 186     cols[0].pixel                 = getColor(BackColor, 1.0);
 187     cols[1].pixel                 = getColor(LabelColor, 1.0);
 188     cols[2].pixel                 = getColor(DataColor, 1.0);
 189     cols[3].pixel                 = getColor(WindGustColor, 1.0);
 190     cols[4].pixel                 = getColor(StationTimeColor, 1.0);
 191     wmgen.attributes.numsymbols   = 5;
 192     wmgen.attributes.colorsymbols = cols;
 193     wmgen.attributes.exactColors  = False;
 194     wmgen.attributes.closeness    = 40000;
 195     wmgen.attributes.valuemask    = XpmReturnPixels | XpmReturnExtensions | XpmColorSymbols
 196                                                         | XpmExactColors | XpmCloseness | XpmSize;
 197     if (XpmCreatePixmapFromData(display, Root, pixmap_bytes,
 198       &(wmgen.pixmap), &(wmgen.mask), &(wmgen.attributes)) != XpmSuccess){
 199         fprintf(stderr, "Not enough free colorcells.\n");
 200         exit(1);
 201     }
 202
 203
 204
 205
 206     /*
 207      *  Create a window
 208      */
 209     mysizehints.flags = USSize | USPosition;
 210     mysizehints.x = 0;
 211     mysizehints.y = 0;
 212
 213     back_pix = getColor("white", 1.0);
 214     fore_pix = getColor("black", 1.0);
 215
 216     XWMGeometry(display, screen, Geometry, NULL, borderwidth, &mysizehints,
 217                                 &mysizehints.x, &mysizehints.y,&mysizehints.width,&mysizehints.height, &dummy);
 218
 219     mysizehints.width = 64;
 220     mysizehints.height = 64;
 221
 222
 223
 224     win = XCreateSimpleWindow(display, Root, mysizehints.x, mysizehints.y,
 225                                 mysizehints.width, mysizehints.height, borderwidth, fore_pix, back_pix);
 226
 227     iconwin = XCreateSimpleWindow(display, win, mysizehints.x, mysizehints.y,
 228                                 mysizehints.width, mysizehints.height, borderwidth, fore_pix, back_pix);
 229
 230
 231
 232     /*
 233      *  Activate hints
 234      */
 235     XSetWMNormalHints(display, win, &mysizehints);
 236     classHint.res_name = wname;
 237     classHint.res_class = wname;
 238     XSetClassHint(display, win, &classHint);
 239
 240
 241
 242     /*
 243      *  Set up the xevents that you want the relevent windows to inherit
 244      *  Currently, its seems that setting KeyPress events here has no
 245      *  effect. I.e. for some you will need to Grab the focus and then return
 246      *  it after you are done...
 247      */
 248     XSelectInput(display, win, ButtonPressMask | ExposureMask | ButtonReleaseMask
 249                 | PointerMotionMask | StructureNotifyMask | EnterWindowMask | LeaveWindowMask
 250                                                 | KeyPressMask | KeyReleaseMask);
 251     XSelectInput(display, iconwin, ButtonPressMask | ExposureMask | ButtonReleaseMask
 252                 | PointerMotionMask | StructureNotifyMask | EnterWindowMask | LeaveWindowMask
 253                                                 | KeyPressMask | KeyReleaseMask);
 254
 255
 256     if (XStringListToTextProperty(&wname, 1, &name) == 0) {
 257         fprintf(stderr, "%s: can't allocate window name\n", wname);
 258         exit(1);
 259     }
 260
 261
 262     XSetWMName(display, win, &name);
 263
 264     /*
 265      *   Create Graphics Context (GC) for drawing
 266      */
 267     gcm = GCForeground | GCBackground | GCGraphicsExposures;
 268     gcv.foreground = fore_pix;
 269     gcv.background = back_pix;
 270     gcv.graphics_exposures = 0;
 271     NormalGC = XCreateGC(display, Root, gcm, &gcv);
 272
 273
 274
 275     pixmask = XCreateBitmapFromData(display, win, pixmask_bits, pixmask_width, pixmask_height);
 276     XShapeCombineMask(display, win, ShapeBounding, 0, 0, pixmask, ShapeSet);
 277     XShapeCombineMask(display, iconwin, ShapeBounding, 0, 0, pixmask, ShapeSet);
 278
 279
 280     mywmhints.initial_state = WithdrawnState;
 281     mywmhints.icon_window = iconwin;
 282     mywmhints.icon_x = mysizehints.x;
 283     mywmhints.icon_y = mysizehints.y;
 284     mywmhints.window_group = win;
 285     mywmhints.flags = StateHint | IconWindowHint | IconPositionHint | WindowGroupHint;
 286
 287
 288     XSetWMHints(display, win, &mywmhints);
 289
 290
 291     XSetCommand(display, win, argv, argc);
 292     XMapWindow(display, win);
 293
 294 }
 295
 296 unsigned long getColor(char *ColorName, float fac) {
 297
 298      XColor             Color;
 299      XWindowAttributes  Attributes;
 300
 301      XGetWindowAttributes(display, Root, &Attributes);
 302      Color.pixel = 0;
 303
 304      XParseColor(display, Attributes.colormap, ColorName, &Color);
 305      Color.red   = (unsigned short)(Color.red/fac);
 306      Color.blue  = (unsigned short)(Color.blue/fac);
 307      Color.green = (unsigned short)(Color.green/fac);
 308      Color.flags = DoRed | DoGreen | DoBlue;
 309      XAllocColor(display, Attributes.colormap, &Color);
 310
 311      return Color.pixel;
 312
 313 }
 314