Dogcows Code - chaz/tint2/blob - src/panel.c

   1 /**************************************************************************
   2 *
   3 * Copyright (C) 2008 Pål Staurland (staura@gmail.com)
   4 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License version 2
   8 * as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 * You should have received a copy of the GNU General Public License
  15 * along with this program; if not, write to the Free Software
  16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17 **************************************************************************/
  18
  19 #include <X11/Xlib.h>
  20 #include <X11/Xutil.h>
  21 #include <X11/Xatom.h>
  22 #include <cairo.h>
  23 #include <cairo-xlib.h>
  24 #include <pango/pangocairo.h>
  25
  26 #include "server.h"
  27 #include "window.h"
  28 #include "task.h"
  29 #include "panel.h"
  30
  31
  32 void visual_refresh ()
  33 {
  34    if (!panel.area.pmap)
  35       set_panel_background();
  36
  37    if (server.pmap) XFreePixmap (server.dsp, server.pmap);
  38    server.pmap = server_create_pixmap (panel.area.width, panel.area.height);
  39    XCopyArea (server.dsp, panel.area.pmap, server.pmap, server.gc, 0, 0, panel.area.width, panel.area.height, 0, 0);
  40
  41    // draw child object
  42    GSList *l = panel.area.list;
  43    for (; l ; l = l->next)
  44       draw (l->data);
  45
  46    // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
  47    XCopyArea (server.dsp, server.pmap, window.main_win, server.gc, panel.area.paddingx, 0, panel.area.width-(2*panel.area.paddingx), panel.area.height, 0, 0);
  48    XFlush (server.dsp);
  49    panel.refresh = 0;
  50 }
  51
  52
  53 void set_panel_properties (Window win)
  54 {
  55    XStoreName (server.dsp, win, "tint2");
  56
  57    // TODO: check if the name is really needed for a panel/taskbar ?
  58    gsize len;
  59    gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
  60    if (name != NULL) {
  61       XChangeProperty(server.dsp, win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
  62       g_free(name);
  63    }
  64
  65    // Dock
  66    long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
  67    XChangeProperty (server.dsp, win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
  68
  69    // Reserved space
  70    long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
  71    if (panel.position & TOP) {
  72       struts[2] = panel.area.height + panel.marginy;
  73       struts[8] = server.posx;
  74       struts[9] = server.posx + panel.area.width;
  75    }
  76    else {
  77       struts[3] = panel.area.height + panel.marginy;
  78       struts[10] = server.posx;
  79       struts[11] = server.posx + panel.area.width;
  80    }
  81    // Old specification : fluxbox need _NET_WM_STRUT.
  82    XChangeProperty (server.dsp, win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
  83    XChangeProperty (server.dsp, win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
  84
  85    // Sticky and below other window
  86    val = 0xFFFFFFFF;
  87    XChangeProperty (server.dsp, win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
  88    Atom state[4];
  89    state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
  90    state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
  91    state[2] = server.atom._NET_WM_STATE_STICKY;
  92    state[3] = server.atom._NET_WM_STATE_BELOW;
  93    XChangeProperty (server.dsp, win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
  94
  95    // Fixed position
  96    XSizeHints size_hints;
  97    size_hints.flags = PPosition;
  98    XChangeProperty (server.dsp, win, XA_WM_NORMAL_HINTS, XA_WM_SIZE_HINTS, 32, PropModeReplace, (unsigned char *) &size_hints, sizeof (XSizeHints) / 4);
  99
 100    // Unfocusable
 101    XWMHints wmhints;
 102    wmhints.flags = InputHint;
 103    wmhints.input = False;
 104    XChangeProperty (server.dsp, win, XA_WM_HINTS, XA_WM_HINTS, 32, PropModeReplace, (unsigned char *) &wmhints, sizeof (XWMHints) / 4);
 105 }
 106
 107
 108 void window_draw_panel ()
 109 {
 110    Window win;
 111
 112    /* panel position determined here */
 113    if (panel.position & LEFT) server.posx = server.monitor[panel.monitor].x + panel.marginx;
 114    else {
 115       if (panel.position & RIGHT) server.posx = server.monitor[panel.monitor].x + server.monitor[panel.monitor].width - panel.area.width - panel.marginx;
 116       else server.posx = server.monitor[panel.monitor].x + ((server.monitor[panel.monitor].width - panel.area.width) / 2);
 117    }
 118    if (panel.position & TOP) server.posy = server.monitor[panel.monitor].y + panel.marginy;
 119    else server.posy = server.monitor[panel.monitor].y + server.monitor[panel.monitor].height - panel.area.height - panel.marginy;
 120
 121    /* Catch some events */
 122    XSetWindowAttributes att = { ParentRelative, 0L, 0, 0L, 0, 0, Always, 0L, 0L, False, ExposureMask|ButtonPressMask|ButtonReleaseMask, NoEventMask, False, 0, 0 };
 123
 124    // XCreateWindow(display, parent, x, y, w, h, border, depth, class, visual, mask, attrib)
 125    // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
 126    if (window.main_win) XDestroyWindow(server.dsp, window.main_win);
 127    win = XCreateWindow (server.dsp, server.root_win, server.posx+panel.area.paddingx, server.posy, panel.area.width-(2*panel.area.paddingx), panel.area.height, 0, server.depth, InputOutput, CopyFromParent, CWEventMask, &att);
 128
 129    set_panel_properties (win);
 130    window.main_win = win;
 131
 132    // replaced : server.gc = DefaultGC (server.dsp, 0);
 133    if (server.gc) XFree(server.gc);
 134    XGCValues gcValues;
 135    server.gc = XCreateGC(server.dsp, win, (unsigned long) 0, &gcValues);
 136    if (server.gc_root) XFree(server.gc_root);
 137    server.gc_root = XCreateGC(server.dsp, server.root_win, (unsigned long) 0, &gcValues);
 138
 139    XMapWindow (server.dsp, win);
 140    XFlush (server.dsp);
 141 }
 142
 143
 144 void visible_object()
 145 {
 146    if (panel.area.list) {
 147       g_slist_free(panel.area.list);
 148       panel.area.list = 0;
 149    }
 150
 151    // list of visible objects
 152    // start with clock because draw(clock) can resize others object
 153    if (panel.clock.time1_format)
 154       panel.area.list = g_slist_append(panel.area.list, &panel.clock);
 155
 156    int i, j;
 157    Taskbar *taskbar;
 158    for (i=0 ; i < panel.nb_desktop ; i++) {
 159       for (j=0 ; j < panel.nb_monitor ; j++) {
 160          taskbar = &panel.taskbar[index(i,j)];
 161          if (panel.mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) continue;
 162
 163          panel.area.list = g_slist_append(panel.area.list, taskbar);
 164       }
 165    }
 166    redraw(&panel.area);
 167    panel.refresh = 1;
 168 }
 169
 170
 171 void set_panel_background()
 172 {
 173    Pixmap wall = get_root_pixmap();
 174
 175    panel.area.pmap = server_create_pixmap (panel.area.width, panel.area.height);
 176
 177    // add layer of root pixmap
 178    XCopyArea (server.dsp, wall, panel.area.pmap, server.gc, server.posx, server.posy, panel.area.width, panel.area.height, 0, 0);
 179
 180    // draw background panel
 181    cairo_surface_t *cs;
 182    cairo_t *c;
 183    cs = cairo_xlib_surface_create (server.dsp, panel.area.pmap, server.visual, panel.area.width, panel.area.height);
 184    c = cairo_create (cs);
 185
 186    draw_background (&panel.area, c);
 187
 188    cairo_destroy (c);
 189    cairo_surface_destroy (cs);
 190
 191    // copy background panel on desktop window
 192    XCopyArea (server.dsp, panel.area.pmap, server.root_win, server.gc_root, 0, 0, panel.area.width, panel.area.height, server.posx, server.posy);
 193
 194    redraw (&panel.area);
 195 }
 196
 197