Dogcows Code - chaz/tint2/blob - src/clock/clock.c

   1 /**************************************************************************
   2 *
   3 * Tint2 : clock
   4 *
   5 * Copyright (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License version 2
   9 * as published by the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18 **************************************************************************/
  19
  20 #include <string.h>
  21 #include <stdio.h>
  22 #include <cairo.h>
  23 #include <cairo-xlib.h>
  24 #include <pango/pangocairo.h>
  25 #include <unistd.h>
  26 #include <signal.h>
  27
  28 #include "window.h"
  29 #include "server.h"
  30 #include "area.h"
  31 #include "panel.h"
  32 #include "taskbar.h"
  33 #include "clock.h"
  34 #include "timer.h"
  35
  36
  37 char *time1_format=0;
  38 char *time2_format=0;
  39 char *time_tooltip_format=0;
  40 char *clock_lclick_command=0;
  41 char *clock_rclick_command=0;
  42 struct timeval time_clock;
  43 PangoFontDescription *time1_font_desc=0;
  44 PangoFontDescription *time2_font_desc=0;
  45 static char buf_time[40];
  46 static char buf_date[40];
  47 static char buf_tooltip[40];
  48 int clock_enabled;
  49 static const struct timeout* clock_timeout=0;
  50
  51
  52 void update_clocks()
  53 {
  54         gettimeofday(&time_clock, 0);
  55         int i;
  56         if (time1_format) {
  57                 for (i=0 ; i < nb_panel ; i++)
  58                         panel1[i].clock.area.resize = 1;
  59         }
  60         panel_refresh = 1;
  61 }
  62
  63
  64 const char* clock_get_tooltip(void* obj)
  65 {
  66         strftime(buf_tooltip, sizeof(buf_tooltip), time_tooltip_format, localtime(&time_clock.tv_sec));
  67         return buf_tooltip;
  68 }
  69
  70
  71 void init_clock()
  72 {
  73         if(time1_format && clock_timeout==0) {
  74                 if (strchr(time1_format, 'S') || strchr(time1_format, 'T') || strchr(time1_format, 'r'))
  75                         clock_timeout = add_timeout(10, 1000, update_clocks);
  76                 else
  77                         clock_timeout = add_timeout(10, 60000, update_clocks);
  78         }
  79 }
  80
  81
  82 void init_clock_panel(void *p)
  83 {
  84         Panel *panel =(Panel*)p;
  85         Clock *clock = &panel->clock;
  86         int time_height, time_height_ink, date_height, date_height_ink;
  87
  88         clock->area.parent = p;
  89         clock->area.panel = p;
  90         clock->area._draw_foreground = draw_clock;
  91         clock->area._resize = resize_clock;
  92         clock->area.resize = 1;
  93         clock->area.redraw = 1;
  94         clock->area.on_screen = 1;
  95
  96         strftime(buf_time, sizeof(buf_time), time1_format, localtime(&time_clock.tv_sec));
  97         get_text_size(time1_font_desc, &time_height_ink, &time_height, panel->area.height, buf_time, strlen(buf_time));
  98         if (time2_format) {
  99                 strftime(buf_date, sizeof(buf_date), time2_format, localtime(&time_clock.tv_sec));
 100                 get_text_size(time2_font_desc, &date_height_ink, &date_height, panel->area.height, buf_date, strlen(buf_date));
 101         }
 102
 103         if (panel_horizontal) {
 104                 // panel horizonal => fixed height and posy
 105                 clock->area.posy = panel->area.pix.border.width + panel->area.paddingy;
 106                 clock->area.height = panel->area.height - (2 * clock->area.posy);
 107         }
 108         else {
 109                 // panel vertical => fixed width, height, posy and posx
 110                 clock->area.posy = panel->area.pix.border.width + panel->area.paddingxlr;
 111                 clock->area.height = (2 * clock->area.paddingxlr) + (time_height + date_height);
 112                 clock->area.posx = panel->area.pix.border.width + panel->area.paddingy;
 113                 clock->area.width = panel->area.width - (2 * panel->area.pix.border.width) - (2 * panel->area.paddingy);
 114         }
 115
 116         clock->time1_posy = (clock->area.height - time_height) / 2;
 117         if (time2_format) {
 118                 strftime(buf_date, sizeof(buf_date), time2_format, localtime(&time_clock.tv_sec));
 119                 get_text_size(time2_font_desc, &date_height_ink, &date_height, panel->area.height, buf_date, strlen(buf_date));
 120
 121                 clock->time1_posy -= ((date_height_ink + 2) / 2);
 122                 clock->time2_posy = clock->time1_posy + time_height + 2 - (time_height - time_height_ink)/2 - (date_height - date_height_ink)/2;
 123         }
 124
 125         if (time_tooltip_format) {
 126                 clock->area._get_tooltip_text = clock_get_tooltip;
 127                 strftime(buf_tooltip, sizeof(buf_tooltip), time_tooltip_format, localtime(&time_clock.tv_sec));
 128         }
 129 }
 130
 131
 132 void cleanup_clock()
 133 {
 134         clock_enabled = 0;
 135         if (time1_font_desc)
 136                 pango_font_description_free(time1_font_desc);
 137         if (time2_font_desc)
 138                 pango_font_description_free(time2_font_desc);
 139         if (time1_format)
 140                 g_free(time1_format);
 141         if (time2_format)
 142                 g_free(time2_format);
 143         if (time_tooltip_format)
 144                 g_free(time_tooltip_format);
 145         if (clock_lclick_command)
 146                 g_free(clock_lclick_command);
 147         if (clock_rclick_command)
 148                 g_free(clock_rclick_command);
 149         time1_font_desc = time2_font_desc = 0;
 150         time1_format = time2_format = 0;
 151         clock_lclick_command = clock_rclick_command = 0;
 152 }
 153
 154
 155 void draw_clock (void *obj, cairo_t *c, int active)
 156 {
 157         Clock *clock = obj;
 158         PangoLayout *layout;
 159
 160         layout = pango_cairo_create_layout (c);
 161
 162         // draw layout
 163         pango_layout_set_font_description (layout, time1_font_desc);
 164         pango_layout_set_width (layout, clock->area.width * PANGO_SCALE);
 165         pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 166         pango_layout_set_text (layout, buf_time, strlen(buf_time));
 167
 168         cairo_set_source_rgba (c, clock->font.color[0], clock->font.color[1], clock->font.color[2], clock->font.alpha);
 169
 170         pango_cairo_update_layout (c, layout);
 171         cairo_move_to (c, 0, clock->time1_posy);
 172         pango_cairo_show_layout (c, layout);
 173
 174         if (time2_format) {
 175                 pango_layout_set_font_description (layout, time2_font_desc);
 176                 pango_layout_set_indent(layout, 0);
 177                 pango_layout_set_text (layout, buf_date, strlen(buf_date));
 178                 pango_layout_set_width (layout, clock->area.width * PANGO_SCALE);
 179
 180                 pango_cairo_update_layout (c, layout);
 181                 cairo_move_to (c, 0, clock->time2_posy);
 182                 pango_cairo_show_layout (c, layout);
 183         }
 184
 185         g_object_unref (layout);
 186 }
 187
 188
 189 void resize_clock (void *obj)
 190 {
 191         Clock *clock = obj;
 192         PangoLayout *layout;
 193         int time_width, date_width, new_width;
 194
 195         clock->area.redraw = 1;
 196         time_width = date_width = 0;
 197         strftime(buf_time, sizeof(buf_time), time1_format, localtime(&time_clock.tv_sec));
 198         if (time2_format)
 199                 strftime(buf_date, sizeof(buf_date), time2_format, localtime(&time_clock.tv_sec));
 200
 201         // vertical panel doen't adjust width
 202         if (!panel_horizontal) return;
 203
 204         //printf("  resize_clock\n");
 205         cairo_surface_t *cs;
 206         cairo_t *c;
 207         Pixmap pmap;
 208         pmap = XCreatePixmap (server.dsp, server.root_win, clock->area.width, clock->area.height, server.depth);
 209
 210         cs = cairo_xlib_surface_create (server.dsp, pmap, server.visual, clock->area.width, clock->area.height);
 211         c = cairo_create (cs);
 212         layout = pango_cairo_create_layout (c);
 213
 214         // check width
 215         pango_layout_set_font_description (layout, time1_font_desc);
 216         pango_layout_set_indent(layout, 0);
 217         pango_layout_set_text (layout, buf_time, strlen(buf_time));
 218         pango_layout_get_pixel_size (layout, &time_width, NULL);
 219         if (time2_format) {
 220                 pango_layout_set_font_description (layout, time2_font_desc);
 221                 pango_layout_set_indent(layout, 0);
 222                 pango_layout_set_text (layout, buf_date, strlen(buf_date));
 223                 pango_layout_get_pixel_size (layout, &date_width, NULL);
 224         }
 225
 226         if (time_width > date_width) new_width = time_width;
 227         else new_width = date_width;
 228         new_width += (2*clock->area.paddingxlr) + (2*clock->area.pix.border.width);
 229
 230         Panel *panel = ((Area*)obj)->panel;
 231         clock->area.posx = panel->area.width - clock->area.width - panel->area.paddingxlr - panel->area.pix.border.width;
 232
 233         if (new_width > clock->area.width || new_width < (clock->area.width-6)) {
 234                 // resize clock
 235                 // we try to limit the number of resize
 236                 // printf("clock_width %d, new_width %d\n", clock->area.width, new_width);
 237                 clock->area.width = new_width + 1;
 238
 239                 // resize other objects on panel
 240                 panel->area.resize = 1;
 241 #ifdef ENABLE_BATTERY
 242                 panel->battery.area.resize = 1;
 243 #endif
 244                 systray.area.resize = 1;
 245                 panel_refresh = 1;
 246         }
 247
 248         g_object_unref (layout);
 249         cairo_destroy (c);
 250         cairo_surface_destroy (cs);
 251         XFreePixmap (server.dsp, pmap);
 252 }
 253
 254
 255 void clock_action(int button)
 256 {
 257         char *command = 0;
 258         switch (button) {
 259                 case 1:
 260                 command = clock_lclick_command;
 261                 break;
 262                 case 3:
 263                 command = clock_rclick_command;
 264                 break;
 265         }
 266         if (command) {
 267                 pid_t pid;
 268                 pid = fork();
 269                 if (pid == 0) {
 270                         // change for the fork the signal mask
 271                         sigset_t sigset;
 272                         sigprocmask(SIG_SETMASK, &sigset, 0);
 273                         sigprocmask(SIG_UNBLOCK, &sigset, 0);
 274                         execl("/bin/sh", "/bin/sh", "-c", command, NULL);
 275                         _exit(0);
 276                 }
 277         }
 278 }
 279