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 #include <Imlib2.h>
  28
  29 #include "common.h"
  30 #include "window.h"
  31 #include "server.h"
  32
  33
  34
  35 void set_active (Window win)
  36 {
  37    send_event32 (win, server.atom._NET_ACTIVE_WINDOW, 2, 0);
  38 }
  39
  40
  41 void set_desktop (int desktop)
  42 {
  43    send_event32 (server.root_win, server.atom._NET_CURRENT_DESKTOP, desktop, 0);
  44 }
  45
  46
  47 void windows_set_desktop (Window win, int desktop)
  48 {
  49    send_event32 (win, server.atom._NET_WM_DESKTOP, desktop, 2);
  50 }
  51
  52
  53 void set_close (Window win)
  54 {
  55    send_event32 (win, server.atom._NET_CLOSE_WINDOW, 0, 2);
  56 }
  57
  58
  59 void window_toggle_shade (Window win)
  60 {
  61    send_event32 (win, server.atom._NET_WM_STATE, 2, 0);
  62 }
  63
  64
  65 int window_is_hidden (Window win)
  66 {
  67    Window window;
  68    Atom *at;
  69    int count, i;
  70
  71    if (XGetTransientForHint(server.dsp, win, &window) != 0) {
  72       if (window) {
  73          return 1;
  74       }
  75    }
  76
  77    at = server_get_property (win, server.atom._NET_WM_STATE, XA_ATOM, &count);
  78    for (i = 0; i < count; i++) {
  79       if (at[i] == server.atom._NET_WM_STATE_SKIP_PAGER || at[i] == server.atom._NET_WM_STATE_SKIP_TASKBAR) {
  80          XFree(at);
  81          return 1;
  82       }
  83    }
  84    XFree(at);
  85
  86    at = server_get_property (win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, &count);
  87    for (i = 0; i < count; i++) {
  88       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) {
  89          XFree(at);
  90          return 1;
  91       }
  92    }
  93
  94    // specification
  95    // Windows with neither _NET_WM_WINDOW_TYPE nor WM_TRANSIENT_FOR set
  96    // MUST be taken as top-level window.
  97    XFree(at);
  98    return 0;
  99 }
 100
 101
 102 int window_get_desktop (Window win)
 103 {
 104    return get_property32(win, server.atom._NET_WM_DESKTOP, XA_CARDINAL);
 105 }
 106
 107
 108 int window_get_monitor (Window win)
 109 {
 110    int i, x, y;
 111    Window src;
 112
 113    XTranslateCoordinates(server.dsp, win, server.root_win, 0, 0, &x, &y, &src);
 114    for (i = 0; i < server.nb_monitor; i++) {
 115       if (x >= server.monitor[i].x && x <= (server.monitor[i].x + server.monitor[i].width))
 116          if (y >= server.monitor[i].y && y <= (server.monitor[i].y + server.monitor[i].height))
 117             break;
 118    }
 119
 120    //printf("window %lx : ecran %d, (%d, %d)\n", win, i, x, y);
 121    if (i == server.nb_monitor) return 0;
 122    else return i;
 123 }
 124
 125
 126 int window_is_iconified (Window win)
 127 {
 128    return (IconicState == get_property32(win, server.atom.WM_STATE, server.atom.WM_STATE));
 129 }
 130
 131
 132 int server_get_number_of_desktop ()
 133 {
 134    return get_property32(server.root_win, server.atom._NET_NUMBER_OF_DESKTOPS, XA_CARDINAL);
 135 }
 136
 137
 138 int server_get_current_desktop ()
 139 {
 140    return get_property32(server.root_win, server.atom._NET_CURRENT_DESKTOP, XA_CARDINAL);
 141 }
 142
 143
 144 Window window_get_active ()
 145 {
 146    return get_property32(server.root_win, server.atom._NET_ACTIVE_WINDOW, XA_WINDOW);
 147 }
 148
 149
 150 int window_is_active (Window win)
 151 {
 152    return (win == get_property32(server.root_win, server.atom._NET_ACTIVE_WINDOW, XA_WINDOW));
 153 }
 154
 155
 156 int get_icon_count (long *data, int num)
 157 {
 158    int count, pos, w, h;
 159
 160    count = 0;
 161    pos = 0;
 162    while (pos < num) {
 163       w = data[pos++];
 164       h = data[pos++];
 165       pos += w * h;
 166       if (pos > num || w * h == 0) break;
 167       count++;
 168    }
 169
 170    return count;
 171 }
 172
 173
 174 long *get_best_icon (long *data, int icon_count, int num, int *iw, int *ih, int best_icon_size)
 175 {
 176    int width[icon_count], height[icon_count], pos, i, w, h;
 177    long *icon_data[icon_count];
 178
 179    /* List up icons */
 180    pos = 0;
 181    i = icon_count;
 182    while (i--) {
 183       w = data[pos++];
 184       h = data[pos++];
 185       if (pos + w * h > num) break;
 186
 187       width[i] = w;
 188       height[i] = h;
 189       icon_data[i] = &data[pos];
 190
 191       pos += w * h;
 192    }
 193
 194    /* Try to find exact size */
 195    int icon_num = -1;
 196    for (i = 0; i < icon_count; i++) {
 197       if (width[i] == best_icon_size) {
 198          icon_num = i;
 199          break;
 200       }
 201    }
 202
 203    /* Take the biggest or whatever */
 204    if (icon_num < 0) {
 205       int highest = 0;
 206       for (i = 0; i < icon_count; i++) {
 207          if (width[i] > highest) {
 208                icon_num = i;
 209                highest = width[i];
 210          }
 211       }
 212    }
 213
 214    *iw = width[icon_num];
 215    *ih = height[icon_num];
 216    return icon_data[icon_num];
 217 }
 218
 219
 220 void draw_rect(cairo_t *c, double x, double y, double w, double h, double r)
 221 {
 222    if (r > 0.0) {
 223       double c1 = 0.55228475 * r;
 224
 225       cairo_move_to(c, x+r, y);
 226       cairo_rel_line_to(c, w-2*r, 0);
 227       cairo_rel_curve_to(c, c1, 0.0, r, c1, r, r);
 228       cairo_rel_line_to(c, 0, h-2*r);
 229       cairo_rel_curve_to(c, 0.0, c1, c1-r, r, -r, r);
 230       cairo_rel_line_to (c, -w +2*r, 0);
 231       cairo_rel_curve_to (c, -c1, 0, -r, -c1, -r, -r);
 232       cairo_rel_line_to (c, 0, -h + 2 * r);
 233       cairo_rel_curve_to (c, 0, -c1, r - c1, -r, r, -r);
 234    }
 235    else
 236       cairo_rectangle(c, x, y, w, h);
 237 }
 238
 239
 240 void get_text_size(PangoFontDescription *font, int *height_ink, int *height, int panel_height, char *text, int len)
 241 {
 242    PangoRectangle rect_ink, rect;
 243
 244    Pixmap pmap = server_create_pixmap (panel_height, panel_height);
 245    cairo_surface_t *cs = cairo_xlib_surface_create (server.dsp, pmap, server.visual, panel_height, panel_height);
 246    cairo_t *c = cairo_create (cs);
 247
 248    PangoLayout *layout = pango_cairo_create_layout (c);
 249    pango_layout_set_font_description (layout, font);
 250    pango_layout_set_text (layout, text, len);
 251
 252    pango_layout_get_pixel_extents(layout, &rect_ink, &rect);
 253    *height_ink = rect_ink.height;
 254    *height = rect.height;
 255    //printf("dimension : %d - %d\n", rect_ink.height, rect.height);
 256
 257    g_object_unref (layout);
 258    cairo_destroy (c);
 259    cairo_surface_destroy (cs);
 260    XFreePixmap (server.dsp, pmap);
 261 }
 262
 263
 264