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