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 <stdio.h>
  20 #include <X11/Xlib.h>
  21 #include <X11/Xutil.h>
  22 #include <X11/Xatom.h>
  23 #include <cairo.h>
  24 #include <cairo-xlib.h>
  25 #include <pango/pangocairo.h>
  26
  27 #include "server.h"
  28 #include "window.h"
  29 #include "task.h"
  30 #include "panel.h"
  31
  32
  33 void visual_refresh ()
  34 {
  35    if (!panel.area.pix.pmap)
  36       set_panel_background();
  37
  38    if (server.pmap) XFreePixmap (server.dsp, server.pmap);
  39    server.pmap = XCreatePixmap (server.dsp, server.root_win, panel.area.width, panel.area.height, server.depth);
  40
  41    XCopyArea (server.dsp, panel.area.pix.pmap, server.pmap, server.gc, 0, 0, panel.area.width, panel.area.height, 0, 0);
  42
  43    // draw child object
  44    GSList *l = panel.area.list;
  45    for (; l ; l = l->next)
  46       refresh (l->data);
  47
  48    // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
  49    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);
  50    XFlush (server.dsp);
  51    panel.refresh = 0;
  52 }
  53
  54
  55 void set_panel_properties (Window win)
  56 {
  57    XStoreName (server.dsp, win, "tint2");
  58
  59    // TODO: check if the name is really needed for a panel/taskbar ?
  60    gsize len;
  61    gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
  62    if (name != NULL) {
  63       XChangeProperty(server.dsp, win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
  64       g_free(name);
  65    }
  66
  67    // Dock
  68    long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
  69    XChangeProperty (server.dsp, win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
  70
  71    // Reserved space
  72    long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
  73    if (panel.position & TOP) {
  74       struts[2] = panel.area.height + panel.marginy;
  75       struts[8] = server.posx;
  76       struts[9] = server.posx + panel.area.width;
  77    }
  78    else {
  79       struts[3] = panel.area.height + panel.marginy;
  80       struts[10] = server.posx;
  81       struts[11] = server.posx + panel.area.width;
  82    }
  83    // Old specification : fluxbox need _NET_WM_STRUT.
  84    XChangeProperty (server.dsp, win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
  85    XChangeProperty (server.dsp, win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
  86
  87    // Sticky and below other window
  88    val = 0xFFFFFFFF;
  89    XChangeProperty (server.dsp, win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
  90    Atom state[4];
  91    state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
  92    state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
  93    state[2] = server.atom._NET_WM_STATE_STICKY;
  94    state[3] = server.atom._NET_WM_STATE_BELOW;
  95    XChangeProperty (server.dsp, win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
  96
  97    // Fixed position
  98    XSizeHints size_hints;
  99    size_hints.flags = PPosition;
 100    XChangeProperty (server.dsp, win, XA_WM_NORMAL_HINTS, XA_WM_SIZE_HINTS, 32, PropModeReplace, (unsigned char *) &size_hints, sizeof (XSizeHints) / 4);
 101
 102    // Unfocusable
 103    XWMHints wmhints;
 104    wmhints.flags = InputHint;
 105    wmhints.input = False;
 106    XChangeProperty (server.dsp, win, XA_WM_HINTS, XA_WM_HINTS, 32, PropModeReplace, (unsigned char *) &wmhints, sizeof (XWMHints) / 4);
 107
 108    // Undecorated
 109    long prop[5] = { 2, 0, 0, 0, 0 };
 110    XChangeProperty(server.dsp, win, server.atom._MOTIF_WM_HINTS, server.atom._MOTIF_WM_HINTS, 32, PropModeReplace, (unsigned char *) prop, 5);
 111 }
 112
 113
 114 void window_draw_panel ()
 115 {
 116    Window win;
 117
 118    /* panel position determined here */
 119    if (panel.position & LEFT) server.posx = server.monitor[panel.monitor].x + panel.marginleft;
 120    else {
 121       if (panel.position & RIGHT) server.posx = server.monitor[panel.monitor].x + server.monitor[panel.monitor].width - panel.area.width - panel.marginright;
 122       else server.posx = server.monitor[panel.monitor].x + ((server.monitor[panel.monitor].width - panel.area.width) / 2);
 123    }
 124    if (panel.position & TOP) server.posy = server.monitor[panel.monitor].y + panel.marginy;
 125    else server.posy = server.monitor[panel.monitor].y + server.monitor[panel.monitor].height - panel.area.height - panel.marginy;
 126
 127    /* Catch some events */
 128    XSetWindowAttributes att = { ParentRelative, 0L, 0, 0L, 0, 0, Always, 0L, 0L, False, ExposureMask|ButtonPressMask|ButtonReleaseMask, NoEventMask, False, 0, 0 };
 129
 130    // XCreateWindow(display, parent, x, y, w, h, border, depth, class, visual, mask, attrib)
 131    // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
 132    if (window.main_win) XDestroyWindow(server.dsp, window.main_win);
 133    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);
 134
 135    set_panel_properties (win);
 136    window.main_win = win;
 137
 138    // replaced : server.gc = DefaultGC (server.dsp, 0);
 139    if (server.gc) XFree(server.gc);
 140    XGCValues gcValues;
 141    server.gc = XCreateGC(server.dsp, win, (unsigned long) 0, &gcValues);
 142    if (server.gc_root) XFree(server.gc_root);
 143    server.gc_root = XCreateGC(server.dsp, server.root_win, (unsigned long) 0, &gcValues);
 144
 145    XMapWindow (server.dsp, win);
 146    XFlush (server.dsp);
 147 }
 148
 149
 150 void visible_object()
 151 {
 152    if (panel.area.list) {
 153       g_slist_free(panel.area.list);
 154       panel.area.list = 0;
 155    }
 156
 157    // list of visible objects
 158    // start with clock because draw(clock) can resize others object
 159    if (panel.clock.time1_format)
 160       panel.area.list = g_slist_append(panel.area.list, &panel.clock);
 161
 162    int i, j;
 163    Taskbar *taskbar;
 164    for (i=0 ; i < panel.nb_desktop ; i++) {
 165       for (j=0 ; j < panel.nb_monitor ; j++) {
 166          taskbar = &panel.taskbar[index(i,j)];
 167          if (panel.mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) continue;
 168
 169          panel.area.list = g_slist_append(panel.area.list, taskbar);
 170       }
 171    }
 172    set_redraw(&panel.area);
 173    panel.refresh = 1;
 174 }
 175
 176
 177 Pixmap get_root_pixmap ()
 178 {
 179    Pixmap ret;
 180         Window root = RootWindow(server.dsp, server.screen);
 181
 182    ret = None;
 183    int  act_format, c = 2 ;
 184    u_long  nitems ;
 185    u_long  bytes_after ;
 186    u_char *prop ;
 187    Atom dummy_id;
 188
 189    do {
 190       if (XGetWindowProperty(server.dsp, root, server.atom._XROOTPMAP_ID, 0, 1,
 191                 False, XA_PIXMAP, &dummy_id, &act_format,
 192                 &nitems, &bytes_after, &prop) == Success) {
 193           if (prop) {
 194               ret = *((Pixmap *)prop);
 195               XFree(prop);
 196               break;
 197           }
 198       }
 199    } while (--c > 0);
 200
 201    if (ret == None) fprintf(stderr, "unknown background\n");
 202    return ret;
 203 }
 204
 205
 206 void set_panel_background()
 207 {
 208    Pixmap wall = get_root_pixmap();
 209
 210    if (panel.area.pix.pmap) XFreePixmap (server.dsp, panel.area.pix.pmap);
 211    panel.area.pix.pmap = XCreatePixmap (server.dsp, server.root_win, panel.area.width, panel.area.height, server.depth);
 212
 213    // add layer of root pixmap
 214    XCopyArea(server.dsp, wall, panel.area.pix.pmap, server.gc, server.posx, server.posy, panel.area.width, panel.area.height, 0, 0);
 215
 216    // draw background panel
 217    cairo_surface_t *cs;
 218    cairo_t *c;
 219    cs = cairo_xlib_surface_create (server.dsp, panel.area.pix.pmap, server.visual, panel.area.width, panel.area.height);
 220    c = cairo_create (cs);
 221
 222    draw_background (&panel.area, c, 0);
 223
 224    cairo_destroy (c);
 225    cairo_surface_destroy (cs);
 226
 227    // copy background panel on desktop window
 228    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);
 229
 230    set_redraw (&panel.area);
 231 }
 232
 233
 234