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