src/clock/clock.c (raw)
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/************************************************************************** * * Tint2 : clock * * Copyright (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. **************************************************************************/ #include <string.h> #include <stdio.h> #include <cairo.h> #include <cairo-xlib.h> #include <pango/pangocairo.h> #include "window.h" #include "server.h" #include "taskbar.h" #include "panel.h" #include "area.h" #include "clock.h" char *time1_format = 0; char *time2_format = 0; struct timeval time_clock; int time_precision; PangoFontDescription *time1_font_desc; PangoFontDescription *time2_font_desc; static char buf_time[40]; static char buf_date[40]; void init_clock() { Panel *panel; Clock *clock; int i, time_height, time_height_ink, date_height, date_height_ink; for (i=0 ; i < nb_panel ; i++) { panel = &panel1[i]; clock = &panel->clock; clock->area.parent = panel; clock->area.panel = panel; clock->area._draw_foreground = draw_clock; clock->area._resize = resize_clock; if (!clock->area.on_screen) continue; if (strchr(time1_format, 'S') == NULL) time_precision = 60; else time_precision = 1; // update clock to force update (-time_precision) struct timeval stv; gettimeofday(&stv, 0); time_clock.tv_sec = stv.tv_sec - time_precision; time_clock.tv_sec -= time_clock.tv_sec % time_precision; clock->area.posy = panel->area.pix.border.width + panel->area.paddingy; clock->area.height = panel->area.height - (2 * clock->area.posy); clock->area.resize = 1; clock->area.redraw = 1; strftime(buf_time, sizeof(buf_time), time1_format, localtime(&time_clock.tv_sec)); if (time2_format) strftime(buf_date, sizeof(buf_date), time2_format, localtime(&time_clock.tv_sec)); get_text_size(time1_font_desc, &time_height_ink, &time_height, panel->area.height, buf_time, strlen(buf_time)); clock->time1_posy = (clock->area.height - time_height) / 2; if (time2_format) { get_text_size(time2_font_desc, &date_height_ink, &date_height, panel->area.height, buf_date, strlen(buf_date)); clock->time1_posy -= ((date_height_ink + 2) / 2); clock->time2_posy = clock->time1_posy + time_height + 2 - (time_height - time_height_ink)/2 - (date_height - date_height_ink)/2; } } } void draw_clock (void *obj, cairo_t *c, int active) { Clock *clock = obj; PangoLayout *layout; //printf(" draw_clock : %s en (%d, %d)\n", buf_time, clock->area.posx, clock->area.width); layout = pango_cairo_create_layout (c); // draw layout pango_layout_set_font_description (layout, time1_font_desc); pango_layout_set_width (layout, clock->area.width * PANGO_SCALE); pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER); pango_layout_set_text (layout, buf_time, strlen(buf_time)); cairo_set_source_rgba (c, clock->font.color[0], clock->font.color[1], clock->font.color[2], clock->font.alpha); pango_cairo_update_layout (c, layout); cairo_move_to (c, 0, clock->time1_posy); pango_cairo_show_layout (c, layout); if (time2_format) { pango_layout_set_font_description (layout, time2_font_desc); pango_layout_set_indent(layout, 0); pango_layout_set_text (layout, buf_date, strlen(buf_date)); pango_layout_set_width (layout, clock->area.width * PANGO_SCALE); pango_cairo_update_layout (c, layout); cairo_move_to (c, 0, clock->time2_posy); pango_cairo_show_layout (c, layout); } g_object_unref (layout); } void resize_clock (void *obj) { Clock *clock = obj; PangoLayout *layout; int time_width, date_width, new_width; time_width = date_width = 0; clock->area.redraw = 1; strftime(buf_time, sizeof(buf_time), time1_format, localtime(&time_clock.tv_sec)); if (time2_format) strftime(buf_date, sizeof(buf_date), time2_format, localtime(&time_clock.tv_sec)); //printf(" resize_clock\n"); cairo_surface_t *cs; cairo_t *c; Pixmap pmap; pmap = XCreatePixmap (server.dsp, server.root_win, clock->area.width, clock->area.height, server.depth); cs = cairo_xlib_surface_create (server.dsp, pmap, server.visual, clock->area.width, clock->area.height); c = cairo_create (cs); layout = pango_cairo_create_layout (c); // check width pango_layout_set_font_description (layout, time1_font_desc); pango_layout_set_indent(layout, 0); pango_layout_set_text (layout, buf_time, strlen(buf_time)); pango_layout_get_pixel_size (layout, &time_width, NULL); if (time2_format) { pango_layout_set_font_description (layout, time2_font_desc); pango_layout_set_indent(layout, 0); pango_layout_set_text (layout, buf_date, strlen(buf_date)); pango_layout_get_pixel_size (layout, &date_width, NULL); } if (time_width > date_width) new_width = time_width; else new_width = date_width; new_width += (2*clock->area.paddingxlr) + (2*clock->area.pix.border.width); if (new_width > clock->area.width || new_width < (clock->area.width-6)) { int i; Panel *panel = ((Area*)obj)->panel; printf("clock_width %d, new_width %d\n", clock->area.width, new_width); // resize clock // we try to limit the number of resize clock->area.width = new_width + 1; clock->area.posx = panel->area.width - clock->area.width - panel->area.paddingxlr - panel->area.pix.border.width; // resize other objects on panel for (i=0 ; i < nb_panel ; i++) { panel1[i].area.resize = 1; } systray.area.resize = 1; panel_refresh = 1; } g_object_unref (layout); cairo_destroy (c); cairo_surface_destroy (cs); XFreePixmap (server.dsp, pmap); } |