Dogcows Code - chaz/tint2/blob - src/util/window.c

   1 /**************************************************************************
   2 *
   3 * Tint2 : common windows function
   4 *
   5 * Copyright (C) 2007 Pål Staurland (staura@gmail.com)
   6 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License version 2
  10 * as published by the Free Software Foundation.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 **************************************************************************/
  20
  21 #include <X11/Xlib.h>
  22 #include <X11/Xutil.h>
  23 #include <X11/Xatom.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27
  28 #include <Imlib2.h>
  29 #include <cairo.h>
  30 #include <cairo-xlib.h>
  31
  32 #include "common.h"
  33 #include "window.h"
  34 #include "server.h"
  35
  36
  37
  38 void set_active (Window win)
  39 {
  40    send_event32 (win, server.atom._NET_ACTIVE_WINDOW, 2, 0);
  41 }
  42
  43
  44 void set_desktop (int desktop)
  45 {
  46    send_event32 (server.root_win, server.atom._NET_CURRENT_DESKTOP, desktop, 0);
  47 }
  48
  49
  50 void windows_set_desktop (Window win, int desktop)
  51 {
  52    send_event32 (win, server.atom._NET_WM_DESKTOP, desktop, 2);
  53 }
  54
  55
  56 void set_close (Window win)
  57 {
  58    send_event32 (win, server.atom._NET_CLOSE_WINDOW, 0, 2);
  59 }
  60
  61
  62 void window_toggle_shade (Window win)
  63 {
  64    send_event32 (win, server.atom._NET_WM_STATE, 2, server.atom._NET_WM_STATE_SHADED);
  65 }
  66
  67
  68 int window_is_hidden (Window win)
  69 {
  70    Window window;
  71    Atom *at;
  72    int count, i;
  73
  74    if (XGetTransientForHint(server.dsp, win, &window) != 0) {
  75       if (window) {
  76          return 1;
  77       }
  78    }
  79
  80    at = server_get_property (win, server.atom._NET_WM_STATE, XA_ATOM, &count);
  81    for (i = 0; i < count; i++) {
  82       if (at[i] == server.atom._NET_WM_STATE_SKIP_PAGER || at[i] == server.atom._NET_WM_STATE_SKIP_TASKBAR) {
  83          XFree(at);
  84          return 1;
  85       }
  86    }
  87    XFree(at);
  88
  89    at = server_get_property (win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, &count);
  90    for (i = 0; i < count; i++) {
  91       if (at[i] == server.atom._NET_WM_WINDOW_TYPE_DOCK || at[i] == server.atom._NET_WM_WINDOW_TYPE_DESKTOP || at[i] == server.atom._NET_WM_WINDOW_TYPE_TOOLBAR || at[i] == server.atom._NET_WM_WINDOW_TYPE_MENU || at[i] == server.atom._NET_WM_WINDOW_TYPE_SPLASH) {
  92          XFree(at);
  93          return 1;
  94       }
  95    }
  96
  97    // specification
  98    // Windows with neither _NET_WM_WINDOW_TYPE nor WM_TRANSIENT_FOR set
  99    // MUST be taken as top-level window.
 100    XFree(at);
 101    return 0;
 102 }
 103
 104
 105 int window_get_desktop (Window win)
 106 {
 107    return get_property32(win, server.atom._NET_WM_DESKTOP, XA_CARDINAL);
 108 }
 109
 110
 111 int window_get_monitor (Window win)
 112 {
 113    int i, x, y;
 114    Window src;
 115
 116    XTranslateCoordinates(server.dsp, win, server.root_win, 0, 0, &x, &y, &src);
 117    for (i = 0; i < server.nb_monitor; i++) {
 118       if (x >= server.monitor[i].x && x <= (server.monitor[i].x + server.monitor[i].width))
 119          if (y >= server.monitor[i].y && y <= (server.monitor[i].y + server.monitor[i].height))
 120             break;
 121    }
 122
 123    //printf("window %lx : ecran %d, (%d, %d)\n", win, i, x, y);
 124    if (i == server.nb_monitor) return 0;
 125    else return i;
 126 }
 127
 128
 129 int window_is_iconified (Window win)
 130 {
 131    return (IconicState == get_property32(win, server.atom.WM_STATE, server.atom.WM_STATE));
 132 }
 133
 134
 135 int server_get_number_of_desktop ()
 136 {
 137    return get_property32(server.root_win, server.atom._NET_NUMBER_OF_DESKTOPS, XA_CARDINAL);
 138 }
 139
 140
 141 int server_get_current_desktop ()
 142 {
 143    return get_property32(server.root_win, server.atom._NET_CURRENT_DESKTOP, XA_CARDINAL);
 144 }
 145
 146
 147 Window window_get_active ()
 148 {
 149    return get_property32(server.root_win, server.atom._NET_ACTIVE_WINDOW, XA_WINDOW);
 150 }
 151
 152
 153 int window_is_active (Window win)
 154 {
 155    return (win == get_property32(server.root_win, server.atom._NET_ACTIVE_WINDOW, XA_WINDOW));
 156 }
 157
 158
 159 int get_icon_count (long *data, int num)
 160 {
 161    int count, pos, w, h;
 162
 163    count = 0;
 164    pos = 0;
 165    while (pos < num) {
 166       w = data[pos++];
 167       h = data[pos++];
 168       pos += w * h;
 169       if (pos > num || w * h == 0) break;
 170       count++;
 171    }
 172
 173    return count;
 174 }
 175
 176
 177 long *get_best_icon (long *data, int icon_count, int num, int *iw, int *ih, int best_icon_size)
 178 {
 179    int width[icon_count], height[icon_count], pos, i, w, h;
 180    long *icon_data[icon_count];
 181
 182    /* List up icons */
 183    pos = 0;
 184    i = icon_count;
 185    while (i--) {
 186       w = data[pos++];
 187       h = data[pos++];
 188       if (pos + w * h > num) break;
 189
 190       width[i] = w;
 191       height[i] = h;
 192       icon_data[i] = &data[pos];
 193
 194       pos += w * h;
 195    }
 196
 197    /* Try to find exact size */
 198    int icon_num = -1;
 199    for (i = 0; i < icon_count; i++) {
 200       if (width[i] == best_icon_size) {
 201          icon_num = i;
 202          break;
 203       }
 204    }
 205
 206    /* Take the biggest or whatever */
 207    if (icon_num < 0) {
 208       int highest = 0;
 209       for (i = 0; i < icon_count; i++) {
 210          if (width[i] > highest) {
 211                icon_num = i;
 212                highest = width[i];
 213          }
 214       }
 215    }
 216
 217    *iw = width[icon_num];
 218    *ih = height[icon_num];
 219    return icon_data[icon_num];
 220 }
 221
 222
 223 void get_text_size(PangoFontDescription *font, int *height_ink, int *height, int panel_height, char *text, int len)
 224 {
 225    PangoRectangle rect_ink, rect;
 226
 227    Pixmap pmap = XCreatePixmap (server.dsp, server.root_win, panel_height, panel_height, server.depth);
 228
 229    cairo_surface_t *cs = cairo_xlib_surface_create (server.dsp, pmap, server.visual, panel_height, panel_height);
 230    cairo_t *c = cairo_create (cs);
 231
 232    PangoLayout *layout = pango_cairo_create_layout (c);
 233    pango_layout_set_font_description (layout, font);
 234    pango_layout_set_text (layout, text, len);
 235
 236    pango_layout_get_pixel_extents(layout, &rect_ink, &rect);
 237    *height_ink = rect_ink.height;
 238    *height = rect.height;
 239    //printf("dimension : %d - %d\n", rect_ink.height, rect.height);
 240
 241    g_object_unref (layout);
 242    cairo_destroy (c);
 243    cairo_surface_destroy (cs);
 244    XFreePixmap (server.dsp, pmap);
 245 }
 246
 247