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.pix.pmap)
  35       set_panel_background();
  36
  37    if (server.pmap) XFreePixmap (server.dsp, server.pmap);
  38    server.pmap = XCreatePixmap (server.dsp, server.root_win, panel.area.width, panel.area.height, server.depth);
  39
  40    XCopyArea (server.dsp, panel.area.pix.pmap, server.pmap, server.gc, 0, 0, panel.area.width, panel.area.height, 0, 0);
  41
  42    // draw child object
  43    GSList *l = panel.area.list;
  44    for (; l ; l = l->next)
  45       refresh (l->data);
  46
  47    // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
  48    XCopyArea (server.dsp, server.pmap, window.main_win, server.gc, panel.area.paddingxlr, 0, panel.area.width-(2*panel.area.paddingxlr), panel.area.height, 0, 0);
  49    XFlush (server.dsp);
  50    panel.refresh = 0;
  51 }
  52
  53
  54 void set_panel_properties (Window win)
  55 {
  56    XStoreName (server.dsp, win, "tint2");
  57
  58    // TODO: check if the name is really needed for a panel/taskbar ?
  59    gsize len;
  60    gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
  61    if (name != NULL) {
  62       XChangeProperty(server.dsp, win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
  63       g_free(name);
  64    }
  65
  66    // Dock
  67    long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
  68    XChangeProperty (server.dsp, win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
  69
  70    // Reserved space
  71    long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
  72    if (panel.position & TOP) {
  73       struts[2] = panel.area.height + panel.marginy;
  74       struts[8] = server.posx;
  75       struts[9] = server.posx + panel.area.width;
  76    }
  77    else {
  78       struts[3] = panel.area.height + panel.marginy;
  79       struts[10] = server.posx;
  80       struts[11] = server.posx + panel.area.width;
  81    }
  82    // Old specification : fluxbox need _NET_WM_STRUT.
  83    XChangeProperty (server.dsp, win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
  84    XChangeProperty (server.dsp, win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
  85
  86    // Sticky and below other window
  87    val = 0xFFFFFFFF;
  88    XChangeProperty (server.dsp, win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
  89    Atom state[4];
  90    state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
  91    state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
  92    state[2] = server.atom._NET_WM_STATE_STICKY;
  93    state[3] = server.atom._NET_WM_STATE_BELOW;
  94    XChangeProperty (server.dsp, win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
  95
  96    // Fixed position
  97    XSizeHints size_hints;
  98    size_hints.flags = PPosition;
  99    XChangeProperty (server.dsp, win, XA_WM_NORMAL_HINTS, XA_WM_SIZE_HINTS, 32, PropModeReplace, (unsigned char *) &size_hints, sizeof (XSizeHints) / 4);
 100
 101    // Unfocusable
 102    XWMHints wmhints;
 103    wmhints.flags = InputHint;
 104    wmhints.input = False;
 105    XChangeProperty (server.dsp, win, XA_WM_HINTS, XA_WM_HINTS, 32, PropModeReplace, (unsigned char *) &wmhints, sizeof (XWMHints) / 4);
 106
 107    // Undecorated
 108    long prop[5] = { 2, 0, 0, 0, 0 };
 109    XChangeProperty(server.dsp, win, server.atom._MOTIF_WM_HINTS, server.atom._MOTIF_WM_HINTS, 32, PropModeReplace, (unsigned char *) prop, 5);
 110 }
 111
 112
 113 void window_draw_panel ()
 114 {
 115    Window win;
 116
 117    /* panel position determined here */
 118    if (panel.position & LEFT) server.posx = server.monitor[panel.monitor].x + panel.marginx;
 119    else {
 120       if (panel.position & RIGHT) server.posx = server.monitor[panel.monitor].x + server.monitor[panel.monitor].width - panel.area.width - panel.marginx;
 121       else server.posx = server.monitor[panel.monitor].x + ((server.monitor[panel.monitor].width - panel.area.width) / 2);
 122    }
 123    if (panel.position & TOP) server.posy = server.monitor[panel.monitor].y + panel.marginy;
 124    else server.posy = server.monitor[panel.monitor].y + server.monitor[panel.monitor].height - panel.area.height - panel.marginy;
 125
 126    /* Catch some events */
 127    XSetWindowAttributes att = { ParentRelative, 0L, 0, 0L, 0, 0, Always, 0L, 0L, False, ExposureMask|ButtonPressMask|ButtonReleaseMask, NoEventMask, False, 0, 0 };
 128
 129    // XCreateWindow(display, parent, x, y, w, h, border, depth, class, visual, mask, attrib)
 130    // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
 131    if (window.main_win) XDestroyWindow(server.dsp, window.main_win);
 132    win = XCreateWindow (server.dsp, server.root_win, server.posx+panel.area.paddingxlr, server.posy, panel.area.width-(2*panel.area.paddingxlr), panel.area.height, 0, server.depth, InputOutput, CopyFromParent, CWEventMask, &att);
 133
 134    set_panel_properties (win);
 135    window.main_win = win;
 136
 137    // replaced : server.gc = DefaultGC (server.dsp, 0);
 138    if (server.gc) XFree(server.gc);
 139    XGCValues gcValues;
 140    server.gc = XCreateGC(server.dsp, win, (unsigned long) 0, &gcValues);
 141    if (server.gc_root) XFree(server.gc_root);
 142    server.gc_root = XCreateGC(server.dsp, server.root_win, (unsigned long) 0, &gcValues);
 143
 144    XMapWindow (server.dsp, win);
 145    XFlush (server.dsp);
 146 }
 147
 148
 149 void visible_object()
 150 {
 151    if (panel.area.list) {
 152       g_slist_free(panel.area.list);
 153       panel.area.list = 0;
 154    }
 155
 156    // list of visible objects
 157    // start with clock because draw(clock) can resize others object
 158    if (panel.clock.time1_format)
 159       panel.area.list = g_slist_append(panel.area.list, &panel.clock);
 160
 161    int i, j;
 162    Taskbar *taskbar;
 163    for (i=0 ; i < panel.nb_desktop ; i++) {
 164       for (j=0 ; j < panel.nb_monitor ; j++) {
 165          taskbar = &panel.taskbar[index(i,j)];
 166          if (panel.mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) continue;
 167
 168          panel.area.list = g_slist_append(panel.area.list, taskbar);
 169       }
 170    }
 171    set_redraw(&panel.area);
 172    panel.refresh = 1;
 173 }
 174
 175
 176 void set_panel_background()
 177 {
 178    Pixmap wall = get_root_pixmap();
 179
 180    if (panel.area.pix.pmap) XFreePixmap (server.dsp, panel.area.pix.pmap);
 181    panel.area.pix.pmap = XCreatePixmap (server.dsp, server.root_win, panel.area.width, panel.area.height, server.depth);
 182
 183    // add layer of root pixmap
 184    XCopyArea (server.dsp, wall, panel.area.pix.pmap, server.gc, server.posx, server.posy, panel.area.width, panel.area.height, 0, 0);
 185
 186    // draw background panel
 187    cairo_surface_t *cs;
 188    cairo_t *c;
 189    cs = cairo_xlib_surface_create (server.dsp, panel.area.pix.pmap, server.visual, panel.area.width, panel.area.height);
 190    c = cairo_create (cs);
 191
 192    draw_background (&panel.area, c, 0);
 193
 194    cairo_destroy (c);
 195    cairo_surface_destroy (cs);
 196
 197    // copy background panel on desktop window
 198    XCopyArea (server.dsp, panel.area.pix.pmap, server.root_win, server.gc_root, 0, 0, panel.area.width, panel.area.height, server.posx, server.posy);
 199
 200    set_redraw (&panel.area);
 201 }
 202
 203