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_horizontal;
  46 int panel_refresh;
  47
  48 Task *task_active;
  49 Task *task_drag;
  50 Task *task_urgent;
  51 int  tick_urgent;
  52 int  max_tick_urgent;
  53
  54 Panel *panel1 = 0;
  55 int  nb_panel;
  56
  57
  58
  59 void init_panel()
  60 {
  61         int i;
  62         Panel *p;
  63
  64         for (i=0 ; i < nb_panel ; i++) {
  65                 p = &panel1[i];
  66
  67                 p->area.parent = p;
  68                 p->area.panel = p;
  69                 p->area.on_screen = 1;
  70            p->area.resize = 1;
  71                 p->area._resize = resize_panel;
  72                 p->g_taskbar.parent = p;
  73                 p->g_taskbar.panel = p;
  74                 p->g_task.area.panel = p;
  75
  76                 // add childs
  77            if (p->clock.area.on_screen)
  78                         p->area.list = g_slist_append(p->area.list, &p->clock);
  79 #ifdef ENABLE_BATTERY
  80                 if (p->battery.area.on_screen)
  81                         p->area.list = g_slist_append(p->area.list, &p->battery);
  82 #endif
  83         // systray only on first panel
  84            if (systray.area.on_screen && i == 0)
  85                         p->area.list = g_slist_append(p->area.list, &systray);
  86
  87                 // full width mode
  88                 if (!p->initial_width) {
  89                         p->initial_width = 100;
  90                         p->pourcentx = 1;
  91                 }
  92
  93                 // detect panel size
  94                 if (panel_horizontal) {
  95                         if (p->pourcentx)
  96                                 p->area.width = (float)server.monitor[p->monitor].width * p->initial_width / 100;
  97                         else
  98                                 p->area.width = p->initial_width;
  99                         if (p->pourcenty)
 100                                 p->area.height = (float)server.monitor[p->monitor].height * p->initial_height / 100;
 101                         else
 102                                 p->area.height = p->initial_height;
 103                         if (p->area.pix.border.rounded > p->area.height/2)
 104                                 p->area.pix.border.rounded = p->area.height/2;
 105                 }
 106                 else {
 107                         if (p->pourcentx)
 108                                 p->area.height = (float)server.monitor[p->monitor].height * p->initial_width / 100;
 109                         else
 110                                 p->area.height = p->initial_width;
 111                         if (p->pourcenty)
 112                                 p->area.width = (float)server.monitor[p->monitor].width * p->initial_height / 100;
 113                         else
 114                                 p->area.width = p->initial_height;
 115                         if (p->area.pix.border.rounded > p->area.width/2)
 116                                 p->area.pix.border.rounded = p->area.width/2;
 117                 }
 118
 119                 /* panel position determined here */
 120                 if (panel_position & LEFT) {
 121                         p->posx = server.monitor[p->monitor].x + p->marginx;
 122                 }
 123                 else {
 124                         if (panel_position & RIGHT) {
 125                                 p->posx = server.monitor[p->monitor].x + server.monitor[p->monitor].width - p->area.width - p->marginx;
 126                         }
 127                         else {
 128                                 if (panel_horizontal)
 129                                         p->posx = server.monitor[p->monitor].x + ((server.monitor[p->monitor].width - p->area.width) / 2);
 130                                 else
 131                                         p->posx = server.monitor[p->monitor].x + p->marginx;
 132                         }
 133                 }
 134                 if (panel_position & TOP) {
 135                         p->posy = server.monitor[p->monitor].y + p->marginy;
 136                 }
 137                 else {
 138                         if (panel_position & BOTTOM) {
 139                                 p->posy = server.monitor[p->monitor].y + server.monitor[p->monitor].height - p->area.height - p->marginy;
 140                         }
 141                         else {
 142                                 p->posy = server.monitor[p->monitor].y + ((server.monitor[p->monitor].height - p->area.height) / 2);
 143                         }
 144                 }
 145                 // printf("panel : posx %d, posy %d, width %d, height %d\n", p->posx, p->posy, p->area.width, p->area.height);
 146
 147                 // Catch some events
 148                 XSetWindowAttributes att = { ParentRelative, 0L, 0, 0L, 0, 0, Always, 0L, 0L, False, ExposureMask|ButtonPressMask|ButtonReleaseMask, NoEventMask, False, 0, 0 };
 149                 if (p->main_win) XDestroyWindow(server.dsp, p->main_win);
 150                 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);
 151
 152                 set_panel_properties(p);
 153                 set_panel_background(p);
 154
 155                 XMapWindow (server.dsp, p->main_win);
 156         }
 157         panel_refresh = 1;
 158 }
 159
 160
 161 void cleanup_panel()
 162 {
 163         if (!panel1) return;
 164
 165         task_active = 0;
 166         task_drag = 0;
 167         task_urgent = 0;
 168         cleanup_systray();
 169    cleanup_taskbar();
 170
 171         // font allocated once
 172    if (panel1[0].g_task.font_desc) {
 173         pango_font_description_free(panel1[0].g_task.font_desc);
 174         panel1[0].g_task.font_desc = 0;
 175         }
 176
 177         int i;
 178         Panel *p;
 179         for (i=0 ; i < nb_panel ; i++) {
 180                 p = &panel1[i];
 181
 182                 free_area(&p->area);
 183            free_area(&p->g_task.area);
 184            free_area(&p->g_taskbar);
 185
 186                 if (p->temp_pmap) {
 187                         XFreePixmap(server.dsp, p->temp_pmap);
 188                         p->temp_pmap = 0;
 189                 }
 190                 if (p->main_win) {
 191                         XDestroyWindow(server.dsp, p->main_win);
 192                         p->main_win = 0;
 193                 }
 194         }
 195
 196    if (panel1) free(panel1);
 197    panel1 = 0;
 198 }
 199
 200
 201 void resize_panel(void *obj)
 202 {
 203    Panel *panel = (Panel*)obj;
 204    int taskbar_width, modulo_width, taskbar_on_screen;
 205
 206    taskbar_width = panel->area.width - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 207    if (panel->clock.area.on_screen && panel->clock.area.width)
 208       taskbar_width -= (panel->clock.area.width + panel->area.paddingx);
 209 #ifdef ENABLE_BATTERY
 210         if (panel->battery.area.on_screen && panel->battery.area.width)
 211                 taskbar_width -= (panel->battery.area.width + panel->area.paddingx);
 212 #endif
 213    // TODO : systray only on first panel. search better implementation !
 214    if (systray.area.on_screen && systray.area.width && panel == &panel1[0])
 215         taskbar_width -= (systray.area.width + panel->area.paddingx);
 216
 217    if (panel_mode == MULTI_DESKTOP) {
 218                 taskbar_on_screen = panel->nb_desktop;
 219                 int width = taskbar_width - ((taskbar_on_screen-1) * panel->area.paddingx);
 220            taskbar_width = width / taskbar_on_screen;
 221       modulo_width = width % taskbar_on_screen;
 222         }
 223    else {
 224                 taskbar_on_screen = 1;
 225       modulo_width = 0;
 226         }
 227
 228         // change posx and width for all taskbar
 229    int i, posx;
 230         posx = panel->area.pix.border.width + panel->area.paddingxlr;
 231    for (i=0 ; i < panel->nb_desktop ; i++) {
 232       panel->taskbar[i].area.posx = posx;
 233       panel->taskbar[i].area.width = taskbar_width;
 234       panel->taskbar[i].area.resize = 1;
 235       if (modulo_width) {
 236          panel->taskbar[i].area.width++;
 237          modulo_width--;
 238       }
 239                 //printf("taskbar %d : posx %d, width, %d, posy %d\n", i, posx, panel->taskbar[i].area.width, posx + panel->taskbar[i].area.width);
 240       if (panel_mode == MULTI_DESKTOP)
 241         posx += panel->taskbar[i].area.width + panel->area.paddingx;
 242    }
 243 }
 244
 245
 246 void visible_object()
 247 {
 248    Panel *panel;
 249    int i, j;
 250
 251         for (i=0 ; i < nb_panel ; i++) {
 252                 panel = &panel1[i];
 253
 254                 Taskbar *taskbar;
 255                 for (j=0 ; j < panel->nb_desktop ; j++) {
 256                         taskbar = &panel->taskbar[j];
 257                         if (panel_mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) {
 258                                 // SINGLE_DESKTOP and not current desktop
 259                                 taskbar->area.on_screen = 0;
 260                         }
 261                         else {
 262                                 taskbar->area.on_screen = 1;
 263                         }
 264                 }
 265         }
 266         panel_refresh = 1;
 267 }
 268
 269
 270 void set_panel_properties(Panel *p)
 271 {
 272    XStoreName (server.dsp, p->main_win, "tint2");
 273
 274    // TODO: check if the name is really needed for a panel/taskbar ?
 275    gsize len;
 276    gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
 277    if (name != NULL) {
 278       XChangeProperty(server.dsp, p->main_win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
 279       g_free(name);
 280    }
 281
 282    // Dock
 283    long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
 284    XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
 285
 286    // Reserved space
 287    long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 288         if (panel_horizontal) {
 289                 if (panel_position & TOP) {
 290                         struts[2] = p->area.height + p->marginy;
 291                         struts[8] = p->posx;
 292                         // p->area.width - 1 allowed full screen on monitor 2
 293                         struts[9] = p->posx + p->area.width - 1;
 294                 }
 295                 else {
 296                         struts[3] = p->area.height + p->marginy;
 297                         struts[10] = p->posx;
 298                         // p->area.width - 1 allowed full screen on monitor 2
 299                         struts[11] = p->posx + p->area.width - 1;
 300                 }
 301         }
 302         else {
 303                 if (panel_position & LEFT) {
 304                         struts[0] = p->area.width + p->marginx;
 305                         struts[4] = p->posy;
 306                         // p->area.width - 1 allowed full screen on monitor 2
 307                         struts[5] = p->posy + p->area.height - 1;
 308                 }
 309                 else {
 310                         struts[1] = p->area.width + p->marginx;
 311                         struts[6] = p->posy;
 312                         // p->area.width - 1 allowed full screen on monitor 2
 313                         struts[7] = p->posy + p->area.height - 1;
 314                 }
 315         }
 316    // Old specification : fluxbox need _NET_WM_STRUT.
 317    XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
 318    XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
 319
 320    // Sticky and below other window
 321    val = 0xFFFFFFFF;
 322    XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
 323    Atom state[4];
 324    state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
 325    state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
 326    state[2] = server.atom._NET_WM_STATE_STICKY;
 327    state[3] = server.atom._NET_WM_STATE_BELOW;
 328    XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
 329
 330    // Fixed position
 331    XSizeHints size_hints;
 332    size_hints.flags = PPosition;
 333    XChangeProperty (server.dsp, p->main_win, XA_WM_NORMAL_HINTS, XA_WM_SIZE_HINTS, 32, PropModeReplace, (unsigned char *) &size_hints, sizeof (XSizeHints) / 4);
 334
 335    // Unfocusable
 336    XWMHints wmhints;
 337    wmhints.flags = InputHint;
 338    wmhints.input = False;
 339    XChangeProperty (server.dsp, p->main_win, XA_WM_HINTS, XA_WM_HINTS, 32, PropModeReplace, (unsigned char *) &wmhints, sizeof (XWMHints) / 4);
 340
 341    // Undecorated
 342    long prop[5] = { 2, 0, 0, 0, 0 };
 343    XChangeProperty(server.dsp, p->main_win, server.atom._MOTIF_WM_HINTS, server.atom._MOTIF_WM_HINTS, 32, PropModeReplace, (unsigned char *) prop, 5);
 344 }
 345
 346
 347 void set_panel_background(Panel *p)
 348 {
 349    get_root_pixmap();
 350
 351    if (p->area.pix.pmap) XFreePixmap (server.dsp, p->area.pix.pmap);
 352    p->area.pix.pmap = XCreatePixmap (server.dsp, server.root_win, p->area.width, p->area.height, server.depth);
 353
 354    // copy background (server.root_pmap) in panel.area.pix.pmap
 355    Window dummy;
 356    int  x, y;
 357    XTranslateCoordinates(server.dsp, p->main_win, server.root_win, 0, 0, &x, &y, &dummy);
 358    XSetTSOrigin(server.dsp, server.gc, -x, -y) ;
 359    XFillRectangle(server.dsp, p->area.pix.pmap, server.gc, 0, 0, p->area.width, p->area.height);
 360
 361    // draw background panel
 362    cairo_surface_t *cs;
 363    cairo_t *c;
 364    cs = cairo_xlib_surface_create (server.dsp, p->area.pix.pmap, server.visual, p->area.width, p->area.height);
 365    c = cairo_create (cs);
 366
 367    draw_background(&p->area, c, 0);
 368
 369    cairo_destroy (c);
 370    cairo_surface_destroy (cs);
 371
 372         // redraw panel's object
 373    GSList *l0;
 374    Area *a;
 375         for (l0 = p->area.list; l0 ; l0 = l0->next) {
 376       a = l0->data;
 377       set_redraw(a);
 378    }
 379 }
 380
 381
 382 Panel *get_panel(Window win)
 383 {
 384         int i;
 385         for (i=0 ; i < nb_panel ; i++) {
 386                 if (panel1[i].main_win == win) {
 387                         return &panel1[i];
 388                 }
 389         }
 390         return 0;
 391 }
 392