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