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 <stdlib.h>
  21 #include <X11/Xlib.h>
  22 #include <X11/Xutil.h>
  23 #include <X11/Xatom.h>
  24 #include <cairo.h>
  25 #include <cairo-xlib.h>
  26 #include <pango/pangocairo.h>
  27
  28 #include "server.h"
  29 #include "window.h"
  30 #include "task.h"
  31 #include "panel.h"
  32
  33
  34 int signal_pending;
  35 // --------------------------------------------------
  36 // mouse events
  37 int mouse_middle;
  38 int mouse_right;
  39 int mouse_scroll_up;
  40 int mouse_scroll_down;
  41
  42 int panel_mode;
  43 int wm_menu;
  44 int panel_position;
  45 int panel_refresh;
  46
  47 Task *task_active;
  48 Task *task_drag;
  49 Task *task_urgent;
  50 int  tick_urgent;
  51 int  max_tick_urgent;
  52
  53 Panel *panel1 = 0;
  54 int  nb_panel;
  55
  56
  57
  58 void init_panel()
  59 {
  60         int i;
  61         Panel *p;
  62
  63         for (i=0 ; i < nb_panel ; i++) {
  64                 p = &panel1[i];
  65
  66                 p->area.parent = p;
  67                 p->area.panel = p;
  68                 p->area.on_screen = 1;
  69            p->area.resize = 1;
  70                 p->area._resize = resize_panel;
  71                 p->g_taskbar.parent = p;
  72                 p->g_taskbar.panel = p;
  73                 p->g_task.area.panel = p;
  74
  75                 // add childs
  76            if (p->clock.area.on_screen)
  77                         p->area.list = g_slist_append(p->area.list, &p->clock);
  78 #ifdef ENABLE_BATTERY
  79                 if (p->battery.area.on_screen)
  80                         p->area.list = g_slist_append(p->area.list, &p->battery);
  81 #endif
  82         // systray only on first panel
  83            if (systray.area.on_screen && i == 0)
  84                         p->area.list = g_slist_append(p->area.list, &systray);
  85
  86                 // detect panel size
  87                 if (p->pourcentx)
  88                         p->area.width = (float)server.monitor[p->monitor].width * p->initial_width / 100;
  89                 else
  90                         p->area.width = p->initial_width;
  91                 if (p->pourcenty)
  92                         p->area.height = (float)server.monitor[p->monitor].height * p->initial_height / 100;
  93                 else
  94                         p->area.height = p->initial_height;
  95
  96                 // full width mode
  97                 if (!p->area.width)
  98                         p->area.width = server.monitor[p->monitor].width;
  99
 100                 if (p->area.pix.border.rounded > p->area.height/2)
 101                         p->area.pix.border.rounded = p->area.height/2;
 102
 103                 /* panel position determined here */
 104                 if (panel_position & LEFT) {
 105                         p->posx = server.monitor[p->monitor].x + p->marginx;
 106                 }
 107                 else {
 108                         if (panel_position & RIGHT) {
 109                                 p->posx = server.monitor[p->monitor].x + server.monitor[p->monitor].width - p->area.width - p->marginx;
 110                         }
 111                         else {
 112                                 p->posx = server.monitor[p->monitor].x + ((server.monitor[p->monitor].width - p->area.width) / 2);
 113                         }
 114                 }
 115                 if (panel_position & TOP) {
 116                         p->posy = server.monitor[p->monitor].y + p->marginy;
 117                 }
 118                 else {
 119                         p->posy = server.monitor[p->monitor].y + server.monitor[p->monitor].height - p->area.height - p->marginy;
 120                 }
 121                 //printf("posx %d, posy %d, width %d, height %d\n", p->posx, p->posy, p->area.width, p->area.height);
 122
 123                 // Catch some events
 124                 XSetWindowAttributes att = { ParentRelative, 0L, 0, 0L, 0, 0, Always, 0L, 0L, False, ExposureMask|ButtonPressMask|ButtonReleaseMask, NoEventMask, False, 0, 0 };
 125                 if (p->main_win) XDestroyWindow(server.dsp, p->main_win);
 126                 p->main_win = XCreateWindow(server.dsp, server.root_win, p->posx, p->posy, p->area.width, p->area.height, 0, server.depth, InputOutput, CopyFromParent, CWEventMask, &att);
 127
 128                 set_panel_properties(p);
 129                 set_panel_background(p);
 130
 131                 XMapWindow (server.dsp, p->main_win);
 132         }
 133         panel_refresh = 1;
 134 }
 135
 136
 137 void cleanup_panel()
 138 {
 139         if (!panel1) return;
 140
 141         task_active = 0;
 142         task_drag = 0;
 143         task_urgent = 0;
 144         cleanup_systray();
 145    cleanup_taskbar();
 146
 147         // font allocated once
 148    if (panel1[0].g_task.font_desc) {
 149         pango_font_description_free(panel1[0].g_task.font_desc);
 150         panel1[0].g_task.font_desc = 0;
 151         }
 152
 153         int i;
 154         Panel *p;
 155         for (i=0 ; i < nb_panel ; i++) {
 156                 p = &panel1[i];
 157
 158                 free_area(&p->area);
 159            free_area(&p->g_task.area);
 160            free_area(&p->g_taskbar);
 161
 162                 if (p->temp_pmap) {
 163                         XFreePixmap(server.dsp, p->temp_pmap);
 164                         p->temp_pmap = 0;
 165                 }
 166                 if (p->main_win) {
 167                         XDestroyWindow(server.dsp, p->main_win);
 168                         p->main_win = 0;
 169                 }
 170         }
 171
 172    if (panel1) free(panel1);
 173    panel1 = 0;
 174 }
 175
 176
 177 void resize_panel(void *obj)
 178 {
 179    Panel *panel = (Panel*)obj;
 180    int taskbar_width, modulo_width, taskbar_on_screen;
 181
 182    taskbar_width = panel->area.width - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 183    if (panel->clock.area.on_screen && panel->clock.area.width)
 184       taskbar_width -= (panel->clock.area.width + panel->area.paddingx);
 185 #ifdef ENABLE_BATTERY
 186         if (panel->battery.area.on_screen && panel->battery.area.width)
 187                 taskbar_width -= (panel->battery.area.width + panel->area.paddingx);
 188 #endif
 189    // TODO : systray only on first panel. search better implementation !
 190    if (systray.area.on_screen && systray.area.width && panel == &panel1[0])
 191         taskbar_width -= (systray.area.width + panel->area.paddingx);
 192
 193    if (panel_mode == MULTI_DESKTOP) {
 194                 taskbar_on_screen = panel->nb_desktop;
 195                 int width = taskbar_width - ((taskbar_on_screen-1) * panel->area.paddingx);
 196            taskbar_width = width / taskbar_on_screen;
 197       modulo_width = width % taskbar_on_screen;
 198         }
 199    else {
 200                 taskbar_on_screen = 1;
 201       modulo_width = 0;
 202         }
 203
 204         // change posx and width for all taskbar
 205    int i, posx;
 206         posx = panel->area.pix.border.width + panel->area.paddingxlr;
 207    for (i=0 ; i < panel->nb_desktop ; i++) {
 208       panel->taskbar[i].area.posx = posx;
 209       panel->taskbar[i].area.width = taskbar_width;
 210       panel->taskbar[i].area.resize = 1;
 211       if (modulo_width) {
 212          panel->taskbar[i].area.width++;
 213          modulo_width--;
 214       }
 215                 //printf("taskbar %d : posx %d, width, %d, posy %d\n", i, posx, panel->taskbar[i].area.width, posx + panel->taskbar[i].area.width);
 216       if (panel_mode == MULTI_DESKTOP)
 217         posx += panel->taskbar[i].area.width + panel->area.paddingx;
 218    }
 219 }
 220
 221
 222 void visible_object()
 223 {
 224    Panel *panel;
 225    int i, j;
 226
 227         for (i=0 ; i < nb_panel ; i++) {
 228                 panel = &panel1[i];
 229
 230                 Taskbar *taskbar;
 231                 for (j=0 ; j < panel->nb_desktop ; j++) {
 232                         taskbar = &panel->taskbar[j];
 233                         if (panel_mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) {
 234                                 // SINGLE_DESKTOP and not current desktop
 235                                 taskbar->area.on_screen = 0;
 236                         }
 237                         else {
 238                                 taskbar->area.on_screen = 1;
 239                         }
 240                 }
 241         }
 242         panel_refresh = 1;
 243 }
 244
 245
 246 void set_panel_properties(Panel *p)
 247 {
 248    XStoreName (server.dsp, p->main_win, "tint2");
 249
 250    // TODO: check if the name is really needed for a panel/taskbar ?
 251    gsize len;
 252    gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
 253    if (name != NULL) {
 254       XChangeProperty(server.dsp, p->main_win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
 255       g_free(name);
 256    }
 257
 258    // Dock
 259    long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
 260    XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
 261
 262    // Reserved space
 263    long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 264    if (panel_position & TOP) {
 265       struts[2] = p->area.height + p->marginy;
 266       struts[8] = p->posx;
 267       // p->area.width - 1 allowed full screen on monitor 2
 268       struts[9] = p->posx + p->area.width - 1;
 269    }
 270    else {
 271       struts[3] = p->area.height + p->marginy;
 272       struts[10] = p->posx;
 273       // p->area.width - 1 allowed full screen on monitor 2
 274       struts[11] = p->posx + p->area.width - 1;
 275    }
 276    // Old specification : fluxbox need _NET_WM_STRUT.
 277    XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
 278    XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
 279
 280    // Sticky and below other window
 281    val = 0xFFFFFFFF;
 282    XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
 283    Atom state[4];
 284    state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
 285    state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
 286    state[2] = server.atom._NET_WM_STATE_STICKY;
 287    state[3] = server.atom._NET_WM_STATE_BELOW;
 288    XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
 289
 290    // Fixed position
 291    XSizeHints size_hints;
 292    size_hints.flags = PPosition;
 293    XChangeProperty (server.dsp, p->main_win, XA_WM_NORMAL_HINTS, XA_WM_SIZE_HINTS, 32, PropModeReplace, (unsigned char *) &size_hints, sizeof (XSizeHints) / 4);
 294
 295    // Unfocusable
 296    XWMHints wmhints;
 297    wmhints.flags = InputHint;
 298    wmhints.input = False;
 299    XChangeProperty (server.dsp, p->main_win, XA_WM_HINTS, XA_WM_HINTS, 32, PropModeReplace, (unsigned char *) &wmhints, sizeof (XWMHints) / 4);
 300
 301    // Undecorated
 302    long prop[5] = { 2, 0, 0, 0, 0 };
 303    XChangeProperty(server.dsp, p->main_win, server.atom._MOTIF_WM_HINTS, server.atom._MOTIF_WM_HINTS, 32, PropModeReplace, (unsigned char *) prop, 5);
 304 }
 305
 306
 307 void set_panel_background(Panel *p)
 308 {
 309    get_root_pixmap();
 310
 311    if (p->area.pix.pmap) XFreePixmap (server.dsp, p->area.pix.pmap);
 312    p->area.pix.pmap = XCreatePixmap (server.dsp, server.root_win, p->area.width, p->area.height, server.depth);
 313
 314    // copy background (server.root_pmap) in panel.area.pix.pmap
 315    Window dummy;
 316    int  x, y;
 317    XTranslateCoordinates(server.dsp, p->main_win, server.root_win, 0, 0, &x, &y, &dummy);
 318    XSetTSOrigin(server.dsp, server.gc, -x, -y) ;
 319    XFillRectangle(server.dsp, p->area.pix.pmap, server.gc, 0, 0, p->area.width, p->area.height);
 320
 321    // draw background panel
 322    cairo_surface_t *cs;
 323    cairo_t *c;
 324    cs = cairo_xlib_surface_create (server.dsp, p->area.pix.pmap, server.visual, p->area.width, p->area.height);
 325    c = cairo_create (cs);
 326
 327    draw_background(&p->area, c, 0);
 328
 329    cairo_destroy (c);
 330    cairo_surface_destroy (cs);
 331
 332         // redraw panel's object
 333    GSList *l0;
 334    Area *a;
 335         for (l0 = p->area.list; l0 ; l0 = l0->next) {
 336       a = l0->data;
 337       set_redraw(a);
 338    }
 339 }
 340
 341
 342 Panel *get_panel(Window win)
 343 {
 344         int i;
 345         for (i=0 ; i < nb_panel ; i++) {
 346                 if (panel1[i].main_win == win) {
 347                         return &panel1[i];
 348                 }
 349         }
 350         return 0;
 351 }
 352