A panel clock.
---
clients/desktop-shell.c | 143 ++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 141 insertions(+), 2 deletions(-)
diff --git a/clients/desktop-shell.c b/clients/desktop-shell.c
index b767839..3e014cc 100644
--- a/clients/desktop-shell.c
+++ b/clients/desktop-shell.c
@@ -30,8 +30,11 @@
#include <math.h>
#include <cairo.h>
#include <sys/wait.h>
+#include <sys/timerfd.h>
+#include <sys/epoll.h>
#include <linux/input.h>
#include <libgen.h>
+#include <time.h>
#include <wayland-client.h>
#include "window.h"
@@ -63,6 +66,7 @@ struct panel {
struct window *window;
struct widget *widget;
struct wl_list launcher_list;
+ struct panel_clock *clock;
};
struct background {
@@ -88,13 +92,20 @@ struct panel_launcher {
struct wl_list link;
};
+struct panel_clock {
+ struct widget *widget;
+ struct panel *panel;
+ char string[128];
+ struct task clock_task;
+ int clock_fd;
+};
+
struct unlock_dialog {
struct window *window;
struct widget *widget;
struct widget *button;
int button_focused;
int closing;
-
struct desktop *desktop;
};
@@ -283,6 +294,129 @@ panel_launcher_button_handler(struct widget *widget,
panel_launcher_activate(launcher);
}
+
+static int
+panel_clock_tick(struct panel_clock *clock)
+{
+ time_t rawtime;
+ struct tm * timeinfo;
+ char string[128];
+
+ time ( &rawtime );
+ timeinfo = localtime ( &rawtime );
+ strftime (string,124,"%a %b %d, %I:%M:%S %p",timeinfo);
+
+ if (0 == strcmp(string, clock->string))
+ return 0;
+
+ strncpy (clock->string, string, 126 );
+ return 1;
+}
+
+static void
+clock_func(struct task *task, uint32_t events)
+{
+ struct panel_clock *clock =
+ container_of(task, struct panel_clock, clock_task);
+
+ if (panel_clock_tick(clock))
+ widget_schedule_redraw(clock->widget);
+}
+
+static void
+panel_clock_redraw_handler(struct widget *widget, void *data)
+{
+ cairo_surface_t *surface;
+ struct panel_clock *clock = data;
+ cairo_t *cr;
+ struct rectangle allocation;
+ cairo_text_extents_t extents;
+ cairo_font_extents_t font_extents;
+
+ time_t rawtime;
+ struct tm * timeinfo;
+
+ time ( &rawtime );
+ timeinfo = localtime ( &rawtime );
+ strftime (clock->string,126,"%a %b %d, %I:%M:%S %p",timeinfo);
+
+ widget_get_allocation(widget, &allocation);
+
+ if (allocation.width == 0) return;
+
+ surface = window_get_surface(clock->panel->window);
+ cr = cairo_create(surface);
+ cairo_rectangle(cr, allocation.x, allocation.y,
+ allocation.width, allocation.height);
+ cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
+ cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.1);
+ cairo_rectangle (cr, allocation.x, allocation.y, 3, 3);
+ cairo_fill(cr);
+
+ cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
+ cairo_select_font_face(cr, "sans",
+ CAIRO_FONT_SLANT_NORMAL,
+ CAIRO_FONT_WEIGHT_NORMAL);
+ cairo_set_font_size(cr, 14);
+ cairo_text_extents(cr, clock->string, &extents);
+ cairo_font_extents (cr, &font_extents);
+ cairo_move_to(cr, allocation.x + 5, allocation.y +
3*(allocation.height>>2) + 1);
+ cairo_set_source_rgb(cr, 0, 0, 0);
+ cairo_show_text(cr, clock->string);
+ cairo_move_to(cr, allocation.x + 4, allocation.y +
3*(allocation.height>>2));
+ cairo_set_source_rgb(cr, 1, 1, 1);
+ cairo_show_text(cr, clock->string);
+ cairo_destroy(cr);
+}
+
+static int
+clock_timer_reset(struct panel_clock *clock)
+{
+ struct itimerspec its;
+ its.it_interval.tv_sec = 1;
+ its.it_interval.tv_nsec = 0;
+
+ its.it_value.tv_sec = 1;
+ its.it_value.tv_nsec = 0;
+ if (timerfd_settime(clock->clock_fd, 0, &its, NULL) < 0) {
+ fprintf(stderr, "could not set timerfd\n: %m");
+ return -1;
+ }
+
+ return 0;
+}
+
+static void
+panel_add_clock(struct panel *panel)
+{
+ struct panel_clock *clock;
+ int timerfd;
+
+ timerfd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
+ if (timerfd < 0) {
+ fprintf(stderr, "could not create timerfd\n: %m");
+ return;
+ }
+
+ clock = malloc(sizeof *clock);
+ memset(clock, 0, sizeof *clock);
+ clock->panel = panel;
+ panel->clock = clock;
+ clock->clock_fd = timerfd;
+
+ clock->clock_task.run = clock_func;
+ display_watch_fd(
+ window_get_display(panel->window),
+ clock->clock_fd,
+ EPOLLIN,
+ &clock->clock_task);
+ clock_timer_reset(clock);
+
+ clock->widget = widget_add_widget(panel->widget, clock);
+ widget_set_redraw_handler(clock->widget,
+ panel_clock_redraw_handler);
+}
+
static void
panel_button_handler(struct widget *widget,
struct input *input, uint32_t time,
@@ -312,6 +446,9 @@ panel_resize_handler(struct widget *widget,
x, y - h / 2, w + 1, h + 1);
x += w + 10;
}
+ h=20;
+ w=170;
+ widget_set_allocation(panel->clock->widget, width - w - 8, y - h / 2,
w + 1, h + 1);
}
static void
@@ -753,9 +890,11 @@ launcher_section_done(void *data)
return;
}
- wl_list_for_each(output, &desktop->outputs, link)
+ wl_list_for_each(output, &desktop->outputs, link) {
panel_add_launcher(output->panel,
key_launcher_icon, key_launcher_path);
+ panel_add_clock(output->panel);
+ }
free(key_launcher_icon);
key_launcher_icon = NULL;
--
1.7.5.4
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