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