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toaruos/apps/panel.c

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/**
* @file apps/panel.c
* @brief Panel with widgets. Main desktop interface.
*
* Provides the panel shown at the top of the screen, which
* presents application windows, useful widgets, and a menu
* for launching new apps.
*
* Also provides Alt-Tab app switching and a few other goodies.
*
* @copyright
* This file is part of ToaruOS and is released under the terms
* of the NCSA / University of Illinois License - see LICENSE.md
* Copyright (C) 2013-2021 K. Lange
*/
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <math.h>
#include <time.h>
#include <fcntl.h>
#include <unistd.h>
#include <signal.h>
#include <dirent.h>
#include <pthread.h>
#include <sys/time.h>
#include <sys/utsname.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/fswait.h>
#include <sys/socket.h>
#include <sys/shm.h>
#include <net/if.h>
#include <arpa/inet.h>
#include <toaru/yutani.h>
#include <toaru/yutani-internal.h>
#include <toaru/graphics.h>
#include <toaru/hashmap.h>
#include <toaru/spinlock.h>
#include <toaru/icon_cache.h>
#include <toaru/menu.h>
#include <toaru/text.h>
#include <kernel/mod/sound.h>
#define PANEL_HEIGHT 36
#define DROPDOWN_OFFSET 34
#define FONT_SIZE 14
#define TIME_LEFT 116
#define X_PAD 4
#define Y_PAD 4
#define ICON_Y_PAD 5
#define GRADIENT_HEIGHT 24
#define APP_OFFSET 140
#define TEXT_Y_OFFSET 6
#define ICON_PADDING 2
#define MAX_TEXT_WIDTH 180
#define MIN_TEXT_WIDTH 50
#define HILIGHT_COLOR rgb(142,216,255)
#define FOCUS_COLOR rgb(255,255,255)
#define TEXT_COLOR rgb(230,230,230)
#define ICON_COLOR rgb(230,230,230)
#define SPECIAL_COLOR rgb(93,163,236)
#define GRADIENT_AT(y) premultiply(rgba(72, 167, 255, ((24-(y))*160)/24))
#define ALTTAB_WIDTH 250
#define ALTTAB_HEIGHT 200
#define ALTTAB_BACKGROUND premultiply(rgba(0,0,0,150))
#define ALTTAB_OFFSET 10
#define ALTTAB_WIN_SIZE 140
#define ALTF2_WIDTH 400
#define ALTF2_HEIGHT 200
#define MAX_WINDOW_COUNT 100
#define TOTAL_CELL_WIDTH (title_width)
#define LEFT_BOUND (width - TIME_LEFT - date_widget_width - ICON_PADDING - widgets_width)
#define WIDGET_WIDTH 24
#define WIDGET_RIGHT (width - TIME_LEFT - date_widget_width)
#define WIDGET_POSITION(i) (WIDGET_RIGHT - WIDGET_WIDTH * (i+1))
#define LOGOUT_WIDTH 36
static yutani_t * yctx;
static gfx_context_t * ctx = NULL;
static yutani_window_t * panel = NULL;
static gfx_context_t * actx = NULL;
static yutani_window_t * alttab = NULL;
static gfx_context_t * a2ctx = NULL;
static yutani_window_t * alt_f2 = NULL;
static list_t * window_list = NULL;
static volatile int lock = 0;
static volatile int drawlock = 0;
static size_t bg_size;
static char * bg_blob;
static int width;
static int height;
static struct TT_Font * font = NULL;
static struct TT_Font * font_bold = NULL;
static struct TT_Font * font_mono = NULL;
static struct TT_Font * font_mono_bold = NULL;
static int widgets_width = 0;
static int widgets_volume_enabled = 0;
static int widgets_network_enabled = 0;
static int widgets_weather_enabled = 0;
static int date_widget_width = 92;
static int network_status = 0;
static sprite_t * sprite_panel;
static sprite_t * sprite_logout;
static sprite_t * sprite_volume_mute;
static sprite_t * sprite_volume_low;
static sprite_t * sprite_volume_med;
static sprite_t * sprite_volume_high;
static sprite_t * sprite_net_active;
static sprite_t * sprite_net_disabled;
struct MenuList * appmenu;
struct MenuList * window_menu;
struct MenuList * logout_menu;
struct MenuList * netstat;
struct MenuList * calmenu;
struct MenuList * clockmenu;
struct MenuList * weather;
struct MenuList * volume_menu;
static yutani_wid_t _window_menu_wid = 0;
static int _close_enough(struct yutani_msg_window_mouse_event * me) {
if (me->command == YUTANI_MOUSE_EVENT_RAISE && sqrt(pow(me->new_x - me->old_x, 2) + pow(me->new_y - me->old_y, 2)) < 10) {
return 1;
}
return 0;
}
static int center_x(int x) {
return (width - x) / 2;
}
static int center_y(int y) {
return (height - y) / 2;
}
static int center_x_a(int x) {
return (ALTTAB_WIDTH - x) / 2;
}
static int center_x_a2(int x) {
return (ALTF2_WIDTH - x) / 2;
}
static void redraw(void);
static volatile int _continue = 1;
struct window_ad {
yutani_wid_t wid;
uint32_t flags;
char * name;
char * icon;
char * strings;
int left;
uint32_t bufid;
uint32_t width;
uint32_t height;
};
typedef struct {
char * icon;
char * appname;
char * title;
} application_t;
/* Windows, indexed by list order */
static struct window_ad * ads_by_l[MAX_WINDOW_COUNT+1] = {NULL};
/* Windows, indexed by z-order */
static struct window_ad * ads_by_z[MAX_WINDOW_COUNT+1] = {NULL};
static int focused_app = -1;
static int active_window = -1;
static int was_tabbing = 0;
static int new_focused = -1;
static int title_width = 0;
static void toggle_hide_panel(void) {
static int panel_hidden = 0;
if (panel_hidden) {
/* Unhide the panel */
for (int i = PANEL_HEIGHT-1; i >= 0; i--) {
yutani_window_move(yctx, panel, 0, -i);
usleep(3000);
}
panel_hidden = 0;
} else {
/* Hide the panel */
for (int i = 1; i <= PANEL_HEIGHT-1; i++) {
yutani_window_move(yctx, panel, 0, -i);
usleep(3000);
}
panel_hidden = 1;
}
}
/* Handle SIGINT by telling other threads (clock) to shut down */
static void sig_int(int sig) {
printf("Received shutdown signal in panel!\n");
_continue = 0;
signal(SIGINT, sig_int);
}
static void launch_application(char * app) {
if (!fork()) {
printf("Starting %s\n", app);
char * args[] = {"/bin/sh", "-c", app, NULL};
execvp(args[0], args);
exit(1);
}
}
/* Update the hover-focus window */
static void set_focused(int i) {
if (focused_app != i) {
focused_app = i;
redraw();
}
}
static void _window_menu_start_move(struct MenuEntry * self) {
if (!_window_menu_wid)
return;
yutani_focus_window(yctx, _window_menu_wid);
yutani_window_drag_start_wid(yctx, _window_menu_wid);
}
static void _window_menu_start_maximize(struct MenuEntry * self) {
if (!_window_menu_wid)
return;
yutani_special_request_wid(yctx, _window_menu_wid, YUTANI_SPECIAL_REQUEST_MAXIMIZE);
yutani_focus_window(yctx, _window_menu_wid);
}
static void _window_menu_close(struct MenuEntry * self) {
if (!_window_menu_wid)
return;
yutani_focus_window(yctx, _window_menu_wid);
yutani_special_request_wid(yctx, _window_menu_wid, YUTANI_SPECIAL_REQUEST_PLEASE_CLOSE);
}
static void window_show_menu(yutani_wid_t wid, int y, int x) {
if (window_menu->window) return;
_window_menu_wid = wid;
menu_prepare(window_menu, yctx);
if (window_menu->window) {
yutani_window_move(yctx, window_menu->window, y, x);
yutani_flip(yctx, window_menu->window);
}
}
#define VOLUME_DEVICE_ID 0
#define VOLUME_KNOB_ID 0
static long volume_level = 0;
static int mixer = -1;
static void update_volume_level(void) {
if (mixer == -1) {
mixer = open("/dev/mixer", O_RDONLY);
}
snd_knob_value_t value = {0};
value.device = VOLUME_DEVICE_ID; /* TODO configure this somewhere */
value.id = VOLUME_KNOB_ID; /* TODO this too */
ioctl(mixer, SND_MIXER_READ_KNOB, &value);
volume_level = value.val;
}
static void set_volume(void) {
snd_knob_value_t value = {0};
value.device = VOLUME_DEVICE_ID; /* TODO configure this somewhere */
value.id = VOLUME_KNOB_ID; /* TODO this too */
value.val = volume_level;
ioctl(mixer, SND_MIXER_WRITE_KNOB, &value);
redraw();
}
static void volume_raise(void) {
volume_level += 0x10000000;
if (volume_level > 0xF0000000) volume_level = 0xFC000000;
set_volume();
}
static void volume_lower(void) {
volume_level -= 0x10000000;
if (volume_level < 0x0) volume_level = 0x0;
set_volume();
}
#define VOLUME_SLIDER_LEFT_PAD 38
#define VOLUME_SLIDER_RIGHT_PAD 14
#define VOLUME_SLIDER_PAD (VOLUME_SLIDER_LEFT_PAD + VOLUME_SLIDER_RIGHT_PAD)
#define VOLUME_SLIDER_VERT_PAD 10
#define VOLUME_SLIDER_BALL_RADIUS 8
struct SliderStuff {
int level;
uint32_t on;
uint32_t off;
};
uint32_t volume_pattern(int32_t x, int32_t y, double alpha, void * extra) {
struct SliderStuff * stuff = extra;
if (alpha > 1.0) alpha = 1.0;
if (alpha < 0.0) alpha = 0.0;
uint32_t color = stuff->off;
if (x < stuff->level + VOLUME_SLIDER_LEFT_PAD) {
color = stuff->on;
}
color |= rgba(0,0,0,alpha*255);
return premultiply(color);
}
void _menu_draw_MenuEntry_Slider(gfx_context_t * ctx, struct MenuEntry * self, int offset) {
self->offset = offset;
draw_sprite_alpha_paint(ctx, sprite_volume_high, 4, offset, 1.0, rgb(0,0,0));
struct SliderStuff stuff;
stuff.level = (ctx->width - VOLUME_SLIDER_PAD) * (float)volume_level / (float)0xFC000000;
stuff.on = rgba(0,120,220,0);
stuff.off = rgba(140,140,140,0);
draw_rounded_rectangle_pattern(ctx,
/* x */ VOLUME_SLIDER_LEFT_PAD - 4,
/* y */ offset + VOLUME_SLIDER_VERT_PAD - 1,
/* w */ ctx->width - VOLUME_SLIDER_PAD + 8,
/* h */ self->height - 2 * VOLUME_SLIDER_VERT_PAD + 2, 6, volume_pattern, &stuff);
stuff.on = rgba(40,160,255,0);
stuff.off = rgba(200,200,200,0);
draw_rounded_rectangle_pattern(ctx,
/* x */ VOLUME_SLIDER_LEFT_PAD - 3,
/* y */ offset + VOLUME_SLIDER_VERT_PAD,
/* w */ ctx->width - VOLUME_SLIDER_PAD + 6,
/* h */ self->height - 2 * VOLUME_SLIDER_VERT_PAD, 5, volume_pattern, &stuff);
draw_rounded_rectangle(ctx,
/* x */ stuff.level - VOLUME_SLIDER_BALL_RADIUS + VOLUME_SLIDER_LEFT_PAD,
/* y */ offset + 12 - VOLUME_SLIDER_BALL_RADIUS,
/* w */ VOLUME_SLIDER_BALL_RADIUS * 2,
/* h */ VOLUME_SLIDER_BALL_RADIUS * 2, VOLUME_SLIDER_BALL_RADIUS, rgb(140,140,140));
draw_rounded_rectangle(ctx,
/* x */ stuff.level - VOLUME_SLIDER_BALL_RADIUS + 1 + VOLUME_SLIDER_LEFT_PAD,
/* y */ offset + 12 - VOLUME_SLIDER_BALL_RADIUS + 1,
/* w */ VOLUME_SLIDER_BALL_RADIUS * 2 - 2,
/* h */ VOLUME_SLIDER_BALL_RADIUS * 2 - 2, VOLUME_SLIDER_BALL_RADIUS - 1, rgb(220,220,220));
}
int _menu_mouse_MenuEntry_Slider(struct MenuEntry * self, struct yutani_msg_window_mouse_event * event) {
if (event->buttons & YUTANI_MOUSE_BUTTON_LEFT) {
/* Figure out where it is */
float level = (float)(event->new_x - VOLUME_SLIDER_LEFT_PAD) / (float)(self->width - VOLUME_SLIDER_PAD);
if (level >= 1.0) level = 1.0;
if (level <= 0.0) level = 0.0;
if (volume_level != level * 0xFC000000) {
volume_level = level * 0xFC000000;
set_volume();
return 1;
}
}
return 0;
}
static struct MenuEntryVTable slider_vtable = {
.methods = 4,
.renderer = _menu_draw_MenuEntry_Slider,
.mouse_event = _menu_mouse_MenuEntry_Slider,
};
struct MenuEntry * menu_create_slider(void) {
struct MenuEntry * out = menu_create_separator(); /* Steal some defaults */
out->_type = -1; /* Special */
out->height = 24;
out->rwidth = 200;
out->vtable = &slider_vtable;
return out;
}
static int volume_left = 0;
static void show_volume_status(void) {
if (!volume_menu) {
volume_menu = menu_create();
volume_menu->flags |= MENU_FLAG_BUBBLE_LEFT;
}
/* Clear the menu */
while (volume_menu->entries->length) {
node_t * node = list_pop(volume_menu->entries);
menu_free_entry((struct MenuEntry *)node->value);
free(node);
}
menu_insert(volume_menu, menu_create_slider());
/* TODO Our mixer supports multiple knobs and we could show all of them. */
/* TODO We could also show a nice slider... if we had one... */
if (!volume_menu->window) {
menu_prepare(volume_menu, yctx);
if (volume_menu->window) {
if (volume_left + volume_menu->window->width > (unsigned int)width) {
yutani_window_move(yctx, volume_menu->window, width - volume_menu->window->width, DROPDOWN_OFFSET);
} else {
yutani_window_move(yctx, volume_menu->window, volume_left, DROPDOWN_OFFSET);
}
yutani_flip(yctx,volume_menu->window);
}
}
}
static int weather_left = 0;
static struct MenuEntry_Normal * weather_title_entry;
static struct MenuEntry_Normal * weather_updated_entry;
static struct MenuEntry_Normal * weather_conditions_entry;
static struct MenuEntry_Normal * weather_humidity_entry;
static struct MenuEntry_Normal * weather_clouds_entry;
static struct MenuEntry_Normal * weather_pressure_entry;
static char * weather_title_str;
static char * weather_updated_str;
static char * weather_conditions_str;
static char * weather_humidity_str;
static char * weather_clouds_str;
static char * weather_pressure_str;
static char * weather_temp_str;
static int weather_status_valid = 0;
static hashmap_t * weather_icons = NULL;
static sprite_t * weather_icon = NULL;
static void update_weather_status(void) {
FILE * f = fopen("/tmp/weather-parsed.conf","r");
if (!f) {
weather_status_valid = 0;
if (widgets_weather_enabled) {
widgets_weather_enabled = 0;
/* Unshow */
widgets_width -= 2*WIDGET_WIDTH;
}
return;
}
weather_status_valid = 1;
if (!widgets_weather_enabled) {
widgets_weather_enabled = 1;
widgets_width += 2*WIDGET_WIDTH;
}
if (weather_title_str) free(weather_title_str);
if (weather_updated_str) free(weather_updated_str);
if (weather_conditions_str) free(weather_conditions_str);
if (weather_humidity_str) free(weather_humidity_str);
if (weather_clouds_str) free(weather_clouds_str);
if (weather_pressure_str) free(weather_pressure_str);
if (weather_temp_str) free(weather_temp_str);
/* read the entire status file */
fseek(f, 0, SEEK_END);
size_t size = ftell(f);
fseek(f, 0, SEEK_SET);
char * data = malloc(size + 1);
fread(data, size, 1, f);
data[size] = 0;
fclose(f);
/* Find relevant pieces */
char * t = data;
char * temp = t;
t = strstr(t, "\n"); *t = '\0'; t++;
char * temp_r = t;
t = strstr(t, "\n"); *t = '\0'; t++;
char * conditions = t;
t = strstr(t, "\n"); *t = '\0'; t++;
char * icon = t;
t = strstr(t, "\n"); *t = '\0'; t++;
char * humidity = t;
t = strstr(t, "\n"); *t = '\0'; t++;
char * clouds = t;
t = strstr(t, "\n"); *t = '\0'; t++;
char * city = t;
t = strstr(t, "\n"); *t = '\0'; t++;
char * updated = t;
t = strstr(t, "\n"); *t = '\0'; t++;
char * pressure = t;
t = strstr(t, "\n"); if (t) { *t = '\0'; t++; }
if (!weather_icons) {
weather_icons = hashmap_create(10);
}
if (!hashmap_has(weather_icons, icon)) {
sprite_t * tmp = malloc(sizeof(sprite_t));
char path[512];
sprintf(path,"/usr/share/icons/weather/%s.png", icon);
load_sprite(tmp, path);
hashmap_set(weather_icons, icon, tmp);
}
weather_icon = hashmap_get(weather_icons, icon);
char tmp[300];
sprintf(tmp, "Weather for <b>%s</b>", city);
weather_title_str = strdup(tmp);
sprintf(tmp, "<small><i>%s</i></small>", updated);
weather_updated_str = strdup(tmp);
sprintf(tmp, "<b>%s°</b> - %s", temp, conditions);
weather_conditions_str = strdup(tmp);
sprintf(tmp, "<b>Humidity:</b> %s%%", humidity);
weather_humidity_str = strdup(tmp);
sprintf(tmp, "<b>Clouds:</b> %s%%", clouds);
weather_clouds_str = strdup(tmp);
sprintf(tmp, "<b>Pressure:</b> %s hPa", pressure);
weather_pressure_str = strdup(tmp);
sprintf(tmp, "%s°", temp_r);
weather_temp_str = strdup(tmp);
free(data);
}
static int netstat_left = 0;
static int netstat_count = 0;
static int netstat_prev[32] = {0};
static char netstat_data[32][1024];
static void ip_ntoa(const uint32_t src_addr, char * out) {
snprintf(out, 16, "%d.%d.%d.%d",
(src_addr & 0xFF000000) >> 24,
(src_addr & 0xFF0000) >> 16,
(src_addr & 0xFF00) >> 8,
(src_addr & 0xFF));
}
static void netif_show_toast(const char * str) {
int toastDaemon = open("/dev/pex/toast", O_WRONLY);
if (toastDaemon >= 0) {
write(toastDaemon, str, strlen(str));
close(toastDaemon);
}
}
static void netif_disconnected(const char * if_name) {
network_status |= 1;
if (netstat_prev[netstat_count] && netstat_prev[netstat_count] != 1) {
char toastMsg[1024];
sprintf(toastMsg, "{\"icon\":\"/usr/share/icons/48/network-jack-disconnected.png\",\"body\":\"<b>%s</b><br>Network disconnected.\"}", if_name);
netif_show_toast(toastMsg);
}
netstat_prev[netstat_count] = 1;
}
static void netif_connected(const char * if_name) {
network_status |= 2;
if (netstat_prev[netstat_count] && netstat_prev[netstat_count] != 2) {
char toastMsg[1024];
sprintf(toastMsg, "{\"icon\":\"/usr/share/icons/48/network-jack.png\",\"body\":\"<b>%s</b><br>Connection established.\"}", if_name);
netif_show_toast(toastMsg);
}
netstat_prev[netstat_count] = 2;
}
static void check_network(const char * if_name) {
if (netstat_count >= 32) return;
char if_path[512];
snprintf(if_path, 511, "/dev/net/%s", if_name);
int netdev = open(if_path, O_RDWR);
if (netdev < 0) return;
uint32_t flags;
if (!ioctl(netdev, SIOCGIFFLAGS, &flags)) {
if (!(flags & IFF_UP)) {
snprintf(netstat_data[netstat_count], 1023, "%s: disconnected", if_name);
netif_disconnected(if_name);
goto _netif_next;
}
}
/* Get IPv4 address */
uint32_t ip_addr;
if (!ioctl(netdev, SIOCGIFADDR, &ip_addr)) {
char ip_str[16];
ip_ntoa(ntohl(ip_addr), ip_str);
snprintf(netstat_data[netstat_count], 1023, "%s: %s", if_name, ip_str);
netif_connected(if_name);
} else {
snprintf(netstat_data[netstat_count], 1023, "%s: No address", if_name);
netif_disconnected(if_name);
}
_netif_next:
close(netdev);
netstat_count++;
}
static void update_network_status(void) {
network_status = 0;
netstat_count = 0;
DIR * d = opendir("/dev/net");
if (!d) return;
struct dirent * ent;
while ((ent = readdir(d))) {
if (ent->d_name[0] == '.') continue;
if (!strcmp(ent->d_name, "lo")) continue; /* Ignore loopback */
check_network(ent->d_name);
}
closedir(d);
}
static void show_logout_menu(void) {
if (!logout_menu->window) {
menu_prepare(logout_menu, yctx);
if (logout_menu->window) {
yutani_window_move(yctx, logout_menu->window, width - logout_menu->window->width - X_PAD, DROPDOWN_OFFSET);
yutani_flip(yctx, logout_menu->window);
}
}
}
static void show_app_menu(void) {
if (!appmenu->window) {
menu_prepare(appmenu, yctx);
if (appmenu->window) {
yutani_window_move(yctx, appmenu->window, X_PAD, DROPDOWN_OFFSET);
yutani_flip(yctx, appmenu->window);
}
}
}
static void show_cal_menu(void) {
if (!calmenu->window) {
menu_prepare(calmenu, yctx);
if (calmenu->window) {
yutani_window_move(yctx, calmenu->window, width - TIME_LEFT - date_widget_width / 2 - calmenu->window->width / 2, DROPDOWN_OFFSET);
yutani_flip(yctx, calmenu->window);
}
}
}
static void show_clock_menu(void) {
if (!clockmenu->window) {
menu_prepare(clockmenu, yctx);
if (clockmenu->window) {
yutani_window_move(yctx, clockmenu->window, width - LOGOUT_WIDTH - clockmenu->window->width, DROPDOWN_OFFSET);
yutani_flip(yctx, clockmenu->window);
}
}
}
static void weather_refresh(struct MenuEntry * self) {
(void)self;
system("weather-tool &");
}
static void weather_configure(struct MenuEntry * self) {
(void)self;
system("terminal sh -c \"sudo weather-configurator; weather-tool\" &");
}
static void show_weather_status(void) {
if (!weather) {
weather = menu_create();
weather->flags |= MENU_FLAG_BUBBLE_LEFT;
weather_title_entry = (struct MenuEntry_Normal *)menu_create_normal(NULL, NULL, "", NULL);
menu_insert(weather, weather_title_entry);
weather_updated_entry = (struct MenuEntry_Normal *)menu_create_normal(NULL, NULL, "", NULL);
menu_insert(weather, weather_updated_entry);
menu_insert(weather, menu_create_separator());
weather_conditions_entry = (struct MenuEntry_Normal *)menu_create_normal(NULL, NULL, "", NULL);
menu_insert(weather, weather_conditions_entry);
weather_humidity_entry = (struct MenuEntry_Normal *)menu_create_normal("weather-humidity", NULL, "", NULL);
menu_insert(weather, weather_humidity_entry);
weather_clouds_entry = (struct MenuEntry_Normal *)menu_create_normal("weather-clouds", NULL, "", NULL);
menu_insert(weather, weather_clouds_entry);
weather_pressure_entry = (struct MenuEntry_Normal *)menu_create_normal("weather-pressure", NULL, "", NULL);
menu_insert(weather, weather_pressure_entry);
menu_insert(weather, menu_create_separator());
menu_insert(weather, menu_create_normal("refresh", NULL, "Refresh...", weather_refresh));
menu_insert(weather, menu_create_normal("config", NULL, "Configure...", weather_configure));
menu_insert(weather, menu_create_separator());
menu_insert(weather, menu_create_normal(NULL, NULL, "<small><i>Weather data provided by</i></small>", NULL));
menu_insert(weather, menu_create_normal(NULL, NULL, "<b>OpenWeather™</b>", NULL));
}
if (weather_status_valid) {
menu_update_title(weather_title_entry, weather_title_str);
menu_update_title(weather_updated_entry, weather_updated_str);
menu_update_title(weather_conditions_entry, weather_conditions_str);
menu_update_title(weather_humidity_entry, weather_humidity_str);
menu_update_title(weather_clouds_entry, weather_clouds_str);
menu_update_title(weather_pressure_entry, weather_pressure_str);
}
if (!weather->window) {
int mwidth, mheight, offset;
menu_calculate_dimensions(weather, &mheight, &mwidth);
if (weather_left + mwidth > width - X_PAD) {
if (weather_left + mwidth / 2 > width - X_PAD) {
offset = weather_left + WIDGET_WIDTH * 2 - mwidth / 2;
weather->flags = (weather->flags & ~MENU_FLAG_BUBBLE) | MENU_FLAG_BUBBLE_RIGHT;
} else {
offset = weather_left + WIDGET_WIDTH - mwidth / 2;
weather->flags = (weather->flags & ~MENU_FLAG_BUBBLE) | MENU_FLAG_BUBBLE_CENTER;
}
} else {
offset = weather_left;
weather->flags = (weather->flags & ~MENU_FLAG_BUBBLE) | MENU_FLAG_BUBBLE_LEFT;
}
menu_prepare(weather, yctx);
if (weather->window) {
yutani_window_move(yctx, weather->window, offset, DROPDOWN_OFFSET);
yutani_flip(yctx, weather->window);
}
}
}
static void show_network_status(void) {
if (!netstat) {
netstat = menu_create();
netstat->flags |= MENU_FLAG_BUBBLE_LEFT;
menu_insert(netstat, menu_create_normal(NULL, NULL, "<b>Network Status</b>", NULL));
menu_insert(netstat, menu_create_separator());
}
while (netstat->entries->length > 2) {
node_t * node = list_pop(netstat->entries);
menu_free_entry((struct MenuEntry *)node->value);
free(node);
}
if (!network_status) {
menu_insert(netstat, menu_create_normal(NULL, NULL, "No network.", NULL));
} else {
for (int i = 0; i < netstat_count; ++i) {
menu_insert(netstat, menu_create_normal(NULL, NULL, netstat_data[i], NULL));
}
}
if (!netstat->window) {
menu_prepare(netstat, yctx);
if (netstat->window) {
if (netstat_left + netstat->window->width > (unsigned int)width) {
yutani_window_move(yctx, netstat->window, width - netstat->window->width, DROPDOWN_OFFSET);
} else {
yutani_window_move(yctx, netstat->window, netstat_left, DROPDOWN_OFFSET);
}
yutani_flip(yctx, netstat->window);
}
}
}
/* Callback for mouse events */
static void panel_check_click(struct yutani_msg_window_mouse_event * evt) {
if (evt->wid == panel->wid) {
if (evt->command == YUTANI_MOUSE_EVENT_CLICK || _close_enough(evt)) {
/* Up-down click */
if (evt->new_x >= width - LOGOUT_WIDTH ) {
show_logout_menu();
} else if (evt->new_x < APP_OFFSET) {
show_app_menu();
} else if (evt->new_x >= width - TIME_LEFT) {
show_clock_menu();
} else if (evt->new_x >= width - TIME_LEFT - date_widget_width) {
show_cal_menu();
} else if (evt->new_x >= APP_OFFSET && evt->new_x < LEFT_BOUND) {
for (int i = 0; i < MAX_WINDOW_COUNT; ++i) {
if (ads_by_l[i] == NULL) break;
if (evt->new_x >= ads_by_l[i]->left && evt->new_x < ads_by_l[i]->left + TOTAL_CELL_WIDTH) {
yutani_focus_window(yctx, ads_by_l[i]->wid);
break;
}
}
}
int widget = 0;
if (widgets_weather_enabled) {
if (evt->new_x > WIDGET_POSITION(widget+1) && evt->new_x < WIDGET_POSITION(widget-1)) {
weather_left = WIDGET_POSITION(widget+1);
show_weather_status();
}
widget += 2;
}
if (widgets_network_enabled) {
if (evt->new_x > WIDGET_POSITION(widget) && evt->new_x < WIDGET_POSITION(widget-1)) {
netstat_left = WIDGET_POSITION(widget);
show_network_status();
}
widget++;
}
if (widgets_volume_enabled) {
if (evt->new_x > WIDGET_POSITION(widget) && evt->new_x < WIDGET_POSITION(widget-1)) {
volume_left = WIDGET_POSITION(widget);
show_volume_status();
}
widget++;
}
} else if (evt->buttons & YUTANI_MOUSE_BUTTON_RIGHT) {
if (evt->new_x >= APP_OFFSET && evt->new_x < LEFT_BOUND) {
for (int i = 0; i < MAX_WINDOW_COUNT; ++i) {
if (ads_by_l[i] == NULL) break;
if (evt->new_x >= ads_by_l[i]->left && evt->new_x < ads_by_l[i]->left + TOTAL_CELL_WIDTH) {
window_show_menu(ads_by_l[i]->wid, evt->new_x, DROPDOWN_OFFSET);
}
}
}
} else if (evt->command == YUTANI_MOUSE_EVENT_MOVE || evt->command == YUTANI_MOUSE_EVENT_ENTER) {
/* Movement, or mouse entered window */
if (evt->new_y < PANEL_HEIGHT) {
for (int i = 0; i < MAX_WINDOW_COUNT; ++i) {
if (ads_by_l[i] == NULL) {
set_focused(-1);
break;
}
if (evt->new_x >= ads_by_l[i]->left && evt->new_x < ads_by_l[i]->left + TOTAL_CELL_WIDTH) {
set_focused(i);
break;
}
}
} else {
set_focused(-1);
}
int scroll_direction = 0;
if (evt->buttons & YUTANI_MOUSE_SCROLL_UP) scroll_direction = -1;
else if (evt->buttons & YUTANI_MOUSE_SCROLL_DOWN) scroll_direction = 1;
if (scroll_direction) {
int widget = 0;
if (widgets_weather_enabled) {
if (evt->new_x > WIDGET_POSITION(widget+1) && evt->new_x < WIDGET_POSITION(widget-1)) {
/* Ignore */
}
widget += 2;
}
if (widgets_network_enabled) {
if (evt->new_x > WIDGET_POSITION(widget) && evt->new_x < WIDGET_POSITION(widget-1)) {
/* Ignore */
}
widget++;
}
if (widgets_volume_enabled) {
if (evt->new_x > WIDGET_POSITION(widget) && evt->new_x < WIDGET_POSITION(widget-1)) {
if (scroll_direction == 1) {
volume_lower();
} else if (scroll_direction == -1) {
volume_raise();
}
}
widget++;
}
if (evt->new_x >= APP_OFFSET && evt->new_x < LEFT_BOUND) {
if (scroll_direction != 0) {
struct window_ad * last = window_list->tail ? window_list->tail->value : NULL;
int focus_next = 0;
foreach(node, window_list) {
struct window_ad * ad = node->value;
if (focus_next) {
yutani_focus_window(yctx, ad->wid);
return;
}
if (ad->flags & 1) {
if (scroll_direction == -1) {
yutani_focus_window(yctx, last->wid);
return;
}
if (scroll_direction == 1) {
focus_next = 1;
}
}
last = ad;
}
if (focus_next && window_list->head) {
struct window_ad * ad = window_list->head->value;
yutani_focus_window(yctx, ad->wid);
return;
}
}
}
}
} else if (evt->command == YUTANI_MOUSE_EVENT_LEAVE) {
/* Mouse left panel window */
set_focused(-1);
}
}
}
static char altf2_buffer[1024] = {0};
static unsigned int altf2_collected = 0;
#if 0
static list_t * altf2_apps = NULL;
struct altf2_app {
char * name;
sprite_t * icon;
};
static sprite_t * find_icon(char * name) {
struct {
char * name;
char * icon;
} special[] = {
{"about", "star"},
{"help-browser", "help"},
{"terminal", "utilities-terminal"},
{NULL,NULL},
};
int i = 0;
while (special[i].name) {
if (!strcmp(special[i].name, name)) {
return icon_get_48(special[i].icon);
}
i++;
}
return icon_get_48(name);
}
#endif
static void close_altf2(void) {
free(a2ctx->backbuffer);
free(a2ctx);
altf2_buffer[0] = 0;
altf2_collected = 0;
yutani_close(yctx, alt_f2);
alt_f2 = NULL;
}
static void redraw_altf2(void) {
#if 0
if (!altf2_apps) {
/* initialize */
}
#endif
draw_fill(a2ctx, 0);
draw_rounded_rectangle(a2ctx,0,0, ALTF2_WIDTH, ALTF2_HEIGHT, 10, ALTTAB_BACKGROUND);
tt_set_size(font, 20);
int t = tt_string_width(font, altf2_buffer);
tt_draw_string(a2ctx, font, center_x_a2(t), 80, altf2_buffer, rgb(255,255,255));
flip(a2ctx);
yutani_flip(yctx, alt_f2);
}
static void redraw_alttab(void) {
if (!actx) return;
if (new_focused == -1) return;
/* Draw the background, right now just a dark semi-transparent box */
draw_fill(actx, 0);
draw_rounded_rectangle(actx,0,0, ALTTAB_WIDTH, ALTTAB_HEIGHT, 10, ALTTAB_BACKGROUND);
if (ads_by_z[new_focused]) {
struct window_ad * ad = ads_by_z[new_focused];
/* try very hard to get a window texture */
char key[1024];
YUTANI_SHMKEY_EXP(yctx->server_ident, key, 1024, ad->bufid);
size_t size;
uint32_t * buf = shm_obtain(key, &size);
if (buf) {
sprite_t tmp;
tmp.width = ad->width;
tmp.height = ad->height;
tmp.bitmap = buf;
int oy = 0;
int sw, sh;
if (tmp.width > tmp.height) {
sw = ALTTAB_WIN_SIZE;
sh = tmp.height * ALTTAB_WIN_SIZE / tmp.width;
oy = (ALTTAB_WIN_SIZE - sh) / 2;
} else {
sh = ALTTAB_WIN_SIZE;
sw = tmp.width * ALTTAB_WIN_SIZE / tmp.height;
}
draw_sprite_scaled(actx, &tmp, center_x_a(sw), ALTTAB_OFFSET + oy, sw, sh);
shm_release(key);
sprite_t * icon = icon_get_48(ad->icon);
draw_sprite(actx, icon, center_x_a(-ALTTAB_WIN_SIZE) - 50, ALTTAB_OFFSET + ALTTAB_WIN_SIZE - 50);
} else {
sprite_t * icon = icon_get_48(ad->icon);
draw_sprite(actx, icon, center_x_a(48), ALTTAB_OFFSET + (ALTTAB_WIN_SIZE - 48) / 2);
}
tt_set_size(font, 16);
int t = tt_string_width(font, ad->name);
tt_draw_string(actx, font, center_x_a(t), 12 + ALTTAB_OFFSET + 140 + 16, ad->name, rgb(255,255,255));
}
flip(actx);
yutani_flip(yctx, alttab);
}
static pthread_t _waiter_thread;
static void * logout_prompt_waiter(void * arg) {
if (system("showdialog \"Log Out\" /usr/share/icons/48/exit.png \"Are you sure you want to log out?\"") == 0) {
yutani_session_end(yctx);
_continue = 0;
}
return NULL;
}
static void launch_application_menu(struct MenuEntry * self) {
struct MenuEntry_Normal * _self = (void *)self;
if (!strcmp((char *)_self->action,"log-out")) {
/* Spin off a thread for this */
pthread_create(&_waiter_thread, NULL, logout_prompt_waiter, NULL);
} else {
launch_application((char *)_self->action);
}
}
static void handle_key_event(struct yutani_msg_key_event * ke) {
if (alt_f2 && ke->wid == alt_f2->wid) {
if (ke->event.action == KEY_ACTION_DOWN) {
if (ke->event.keycode == KEY_ESCAPE) {
close_altf2();
return;
}
if (ke->event.key == '\b') {
if (altf2_collected) {
altf2_buffer[altf2_collected-1] = '\0';
altf2_collected--;
redraw_altf2();
}
return;
}
if (ke->event.key == '\n') {
/* execute */
launch_application(altf2_buffer);
close_altf2();
return;
}
if (!ke->event.key) {
return;
}
/* Try to add it */
if (altf2_collected < sizeof(altf2_buffer) - 1) {
altf2_buffer[altf2_collected] = ke->event.key;
altf2_collected++;
altf2_buffer[altf2_collected] = 0;
redraw_altf2();
}
}
}
if ((ke->event.modifiers & KEY_MOD_LEFT_CTRL) &&
(ke->event.modifiers & KEY_MOD_LEFT_ALT) &&
(ke->event.keycode == 't') &&
(ke->event.action == KEY_ACTION_DOWN)) {
launch_application("exec terminal");
return;
}
if ((ke->event.modifiers & KEY_MOD_LEFT_CTRL) &&
(ke->event.keycode == KEY_F11) &&
(ke->event.action == KEY_ACTION_DOWN)) {
fprintf(stderr, "[panel] Toggling visibility.\n");
toggle_hide_panel();
return;
}
if ((ke->event.modifiers & KEY_MOD_LEFT_ALT) &&
(ke->event.keycode == KEY_F1) &&
(ke->event.action == KEY_ACTION_DOWN)) {
/* show menu */
show_app_menu();
}
if ((ke->event.modifiers & KEY_MOD_LEFT_ALT) &&
(ke->event.keycode == KEY_F2) &&
(ke->event.action == KEY_ACTION_DOWN)) {
/* show menu */
if (!alt_f2) {
alt_f2 = yutani_window_create(yctx, ALTF2_WIDTH, ALTF2_HEIGHT);
yutani_window_move(yctx, alt_f2, center_x(ALTF2_WIDTH), center_y(ALTF2_HEIGHT));
a2ctx = init_graphics_yutani_double_buffer(alt_f2);
redraw_altf2();
}
}
if ((ke->event.modifiers & KEY_MOD_LEFT_ALT) &&
(ke->event.keycode == KEY_F3) &&
(ke->event.action == KEY_ACTION_DOWN)) {
for (int i = 0; i < MAX_WINDOW_COUNT; ++i) {
if (ads_by_l[i] == NULL) break;
if (ads_by_l[i]->flags & 1) {
window_show_menu(ads_by_l[i]->wid, ads_by_l[i]->left, DROPDOWN_OFFSET);
}
}
}
if ((was_tabbing) && (ke->event.keycode == 0 || ke->event.keycode == KEY_LEFT_ALT) &&
(ke->event.modifiers == 0) && (ke->event.action == KEY_ACTION_UP)) {
fprintf(stderr, "[panel] Stopping focus new_focused = %d\n", new_focused);
struct window_ad * ad = ads_by_z[new_focused];
if (!ad) return;
yutani_focus_window(yctx, ad->wid);
was_tabbing = 0;
new_focused = -1;
free(actx->backbuffer);
free(actx);
actx = NULL;
yutani_close(yctx, alttab);
return;
}
if ((ke->event.modifiers & KEY_MOD_LEFT_ALT) &&
(ke->event.keycode == '\t') &&
(ke->event.action == KEY_ACTION_DOWN)) {
int direction = (ke->event.modifiers & KEY_MOD_LEFT_SHIFT) ? 1 : -1;
if (window_list->length < 1) return;
if (was_tabbing) {
new_focused = new_focused + direction;
} else {
new_focused = active_window + direction;
/* Create tab window */
alttab = yutani_window_create_flags(yctx, ALTTAB_WIDTH, ALTTAB_HEIGHT,
YUTANI_WINDOW_FLAG_NO_STEAL_FOCUS | YUTANI_WINDOW_FLAG_NO_ANIMATION);
yutani_set_stack(yctx, alttab, YUTANI_ZORDER_OVERLAY);
/* Center window */
yutani_window_move(yctx, alttab, center_x(ALTTAB_WIDTH), center_y(ALTTAB_HEIGHT));
/* Initialize graphics context against the window */
actx = init_graphics_yutani_double_buffer(alttab);
}
if (new_focused < 0) {
new_focused = 0;
for (int i = 0; i < MAX_WINDOW_COUNT; i++) {
if (ads_by_z[i+1] == NULL) {
new_focused = i;
break;
}
}
} else if (ads_by_z[new_focused] == NULL) {
new_focused = 0;
}
was_tabbing = 1;
redraw_alttab();
}
}
/**
* Clip text and add ellipsis to fit a specified display width.
*/
static char * ellipsify(char * input, int font_size, struct TT_Font * font, int max_width, int * out_width) {
int len = strlen(input);
char * out = malloc(len + 4);
memcpy(out, input, len + 1);
int width;
tt_set_size(font, font_size);
while ((width = tt_string_width(font, out)) > max_width) {
len--;
out[len+0] = '.';
out[len+1] = '.';
out[len+2] = '.';
out[len+3] = '\0';
}
if (out_width) *out_width = width;
return out;
}
static void redraw(void) {
spin_lock(&drawlock);
struct timeval now;
struct tm * timeinfo;
uint32_t txt_color = TEXT_COLOR;
int t = 0;
/* Redraw the background */
memcpy(ctx->backbuffer, bg_blob, bg_size);
/* Get the current time for the clock */
gettimeofday(&now, NULL);
timeinfo = localtime((time_t *)&now.tv_sec);
/* Hours : Minutes : Seconds */
{
char time[80];
strftime(time, 80, "%H:%M:%S", timeinfo);
tt_set_size(font, 16);
tt_draw_string(ctx, font, width - TIME_LEFT, 3 + Y_PAD + 17, time, clockmenu->window ? HILIGHT_COLOR : txt_color);
}
{
int weekday_width, date_width;
char weekday[80], date[80];
strftime(weekday, 80, "%A", timeinfo);
strftime(date, 80, "%B %e", timeinfo);
tt_set_size(font, 11);
tt_set_size(font_bold, 11);
/* Update date_widget_width */
weekday_width = tt_string_width(font, weekday);
date_width = tt_string_width(font_bold, date);
date_widget_width = (weekday_width > date_width ? weekday_width : date_width) + 24; /* A bit of padding... */
/* Day-of-week */
t = (date_widget_width - weekday_width) / 2;
tt_draw_string(ctx, font, width - TIME_LEFT - date_widget_width + t, 2 + Y_PAD + 11, weekday, calmenu->window ? HILIGHT_COLOR : txt_color);
/* Month Day */
t = (date_widget_width - date_width) / 2;
tt_draw_string(ctx, font_bold, width - TIME_LEFT - date_widget_width + t, 12 + Y_PAD + 11, date, calmenu->window ? HILIGHT_COLOR : txt_color);
}
/* Applications menu */
tt_set_size(font, 16);
tt_draw_string(ctx, font, 16, 3 + Y_PAD + 17, "Applications", appmenu->window ? HILIGHT_COLOR : txt_color);
/* Draw each widget */
int widget = 0;
/* Weather */
if (widgets_weather_enabled) {
uint32_t color = (weather && weather->window) ? HILIGHT_COLOR : ICON_COLOR;
tt_set_size(font, 12);
int t = tt_string_width(font, weather_temp_str);
tt_draw_string(ctx, font, WIDGET_POSITION(widget) + (WIDGET_WIDTH - t) / 2, 6 + Y_PAD + 12, weather_temp_str, color);
draw_sprite_alpha_paint(ctx, weather_icon, WIDGET_POSITION(widget+1), ICON_Y_PAD, 1.0, color);
widget += 2;
}
/* - Network */
if (widgets_network_enabled) {
uint32_t color = (netstat && netstat->window) ? HILIGHT_COLOR : ICON_COLOR;
if (network_status & 2) {
draw_sprite_alpha_paint(ctx, sprite_net_active, WIDGET_POSITION(widget), ICON_Y_PAD, 1.0, color);
} else {
draw_sprite_alpha_paint(ctx, sprite_net_disabled, WIDGET_POSITION(widget), ICON_Y_PAD, 1.0, color);
}
widget++;
}
/* - Volume */
if (widgets_volume_enabled) {
uint32_t color = (volume_menu && volume_menu->window) ? HILIGHT_COLOR : ICON_COLOR;
if (volume_level < 10) {
draw_sprite_alpha_paint(ctx, sprite_volume_mute, WIDGET_POSITION(widget), ICON_Y_PAD, 1.0, color);
} else if (volume_level < 0x547ae147) {
draw_sprite_alpha_paint(ctx, sprite_volume_low, WIDGET_POSITION(widget), ICON_Y_PAD, 1.0, color);
} else if (volume_level < 0xa8f5c28e) {
draw_sprite_alpha_paint(ctx, sprite_volume_med, WIDGET_POSITION(widget), ICON_Y_PAD, 1.0, color);
} else {
draw_sprite_alpha_paint(ctx, sprite_volume_high, WIDGET_POSITION(widget), ICON_Y_PAD, 1.0, color);
}
widget++;
}
/* Now draw the window list */
int i = 0, j = 0;
spin_lock(&lock);
if (window_list) {
foreach(node, window_list) {
struct window_ad * ad = node->value;
int w = title_width;
if (APP_OFFSET + i + w > LEFT_BOUND) {
break;
}
/* Hilight the focused window */
if (ad->flags & 1) {
/* This is the focused window */
for (int y = 0; y < GRADIENT_HEIGHT; ++y) {
for (int x = APP_OFFSET + i; x < APP_OFFSET + i + w; ++x) {
GFX(ctx, x, y+Y_PAD) = alpha_blend_rgba(GFX(ctx, x, y+Y_PAD), GRADIENT_AT(y));
}
}
}
if (title_width >= MIN_TEXT_WIDTH) {
/* Ellipsifiy the title */
char * s = ellipsify(ad->name, 14, font, title_width - 4, NULL);
sprite_t * icon = icon_get_48(ad->icon);
gfx_context_t * subctx = init_graphics_subregion(ctx, APP_OFFSET + i, Y_PAD, w, PANEL_HEIGHT - Y_PAD * 2);
draw_sprite_scaled_alpha(subctx, icon, w - 48 - 2, 0, 48, 48, (ad->flags & 1) ? 1.0 : 0.7);
tt_draw_string_shadow(subctx, font, s, 14, 2, TEXT_Y_OFFSET, (j == focused_app) ? HILIGHT_COLOR : (ad->flags & 1) ? FOCUS_COLOR : txt_color, rgb(0,0,0), 4);
free(subctx);
free(s);
} else {
sprite_t * icon = icon_get_16(ad->icon);
gfx_context_t * subctx = init_graphics_subregion(ctx, APP_OFFSET + i, Y_PAD, w, PANEL_HEIGHT - Y_PAD * 2);
draw_sprite_scaled(subctx, icon, 6, 6, 16, 16);
free(subctx);
}
/* XXX This keeps track of how far left each window list item is
* so we can map clicks up in the mouse callback. */
if (j < MAX_WINDOW_COUNT) {
if (ads_by_l[j]) {
ads_by_l[j]->left = APP_OFFSET + i;
}
}
j++;
i += w;
}
}
spin_unlock(&lock);
/* Draw the logout button; XXX This should probably have some sort of focus hilight */
draw_sprite_alpha_paint(ctx, sprite_logout, width - LOGOUT_WIDTH, 1 + ICON_Y_PAD, 1.0, (logout_menu->window ? HILIGHT_COLOR : ICON_COLOR)); /* Logout button */
/* Flip */
flip(ctx);
yutani_flip(yctx, panel);
spin_unlock(&drawlock);
}
static void update_window_list(void) {
yutani_query_windows(yctx);
list_t * new_window_list = list_create();
int i = 0;
while (1) {
/* We wait for a series of WINDOW_ADVERTISE messsages */
yutani_msg_t * m = yutani_wait_for(yctx, YUTANI_MSG_WINDOW_ADVERTISE);
struct yutani_msg_window_advertise * wa = (void*)m->data;
if (wa->size == 0) {
/* A sentinal at the end will have a size of 0 */
free(m);
break;
}
/* Store each window advertisement */
struct window_ad * ad = malloc(sizeof(struct window_ad));
char * s = malloc(wa->size);
memcpy(s, wa->strings, wa->size);
ad->name = &s[0];
ad->icon = &s[wa->icon];
ad->strings = s;
ad->flags = wa->flags;
ad->wid = wa->wid;
ad->bufid = wa->bufid;
ad->width = wa->width;
ad->height = wa->height;
ads_by_z[i] = ad;
i++;
ads_by_z[i] = NULL;
node_t * next = NULL;
/* And insert it, ordered by wid, into the window list */
foreach(node, new_window_list) {
struct window_ad * n = node->value;
if (n->wid > ad->wid) {
next = node;
break;
}
}
if (next) {
list_insert_before(new_window_list, next, ad);
} else {
list_insert(new_window_list, ad);
}
free(m);
}
active_window = i-1;
i = 0;
/*
* Update each of the wid entries in our array so we can map
* clicks to window focus events for each window
*/
foreach(node, new_window_list) {
struct window_ad * ad = node->value;
if (i < MAX_WINDOW_COUNT) {
ads_by_l[i] = ad;
ads_by_l[i+1] = NULL;
}
i++;
}
/* Then free up the old list and replace it with the new list */
spin_lock(&lock);
if (new_window_list->length) {
int tmp = LEFT_BOUND;
tmp -= APP_OFFSET;
if (tmp < 0) {
title_width = 28;
} else {
title_width = tmp / new_window_list->length;
if (title_width > MAX_TEXT_WIDTH) {
title_width = MAX_TEXT_WIDTH;
}
if (title_width < MIN_TEXT_WIDTH) {
title_width = 28;
}
}
} else {
title_width = 0;
}
if (window_list) {
foreach(node, window_list) {
struct window_ad * ad = (void*)node->value;
free(ad->strings);
free(ad);
}
list_free(window_list);
free(window_list);
}
window_list = new_window_list;
spin_unlock(&lock);
/* And redraw the panel */
redraw();
}
static void redraw_panel_background(gfx_context_t * ctx, int width, int height) {
draw_fill(ctx, rgba(0,0,0,0));
draw_rounded_rectangle(ctx, X_PAD, Y_PAD, width - X_PAD * 2, panel->height - Y_PAD * 2, 14, rgba(0,0,0,200));
}
static void resize_finish(int xwidth, int xheight) {
yutani_window_resize_accept(yctx, panel, xwidth, xheight);
reinit_graphics_yutani(ctx, panel);
yutani_window_resize_done(yctx, panel);
width = xwidth;
redraw_panel_background(ctx, xwidth, xheight);
/* Copy the prerendered background so we can redraw it quickly */
bg_size = panel->width * panel->height * sizeof(uint32_t);
bg_blob = realloc(bg_blob, bg_size);
memcpy(bg_blob, ctx->backbuffer, bg_size);
update_window_list();
redraw();
}
static void bind_keys(void) {
/* Cltr-Alt-T = launch terminal */
yutani_key_bind(yctx, 't', KEY_MOD_LEFT_CTRL | KEY_MOD_LEFT_ALT, YUTANI_BIND_STEAL);
/* Alt+Tab = app switcher*/
yutani_key_bind(yctx, '\t', KEY_MOD_LEFT_ALT, YUTANI_BIND_STEAL);
yutani_key_bind(yctx, '\t', KEY_MOD_LEFT_ALT | KEY_MOD_LEFT_SHIFT, YUTANI_BIND_STEAL);
/* Ctrl-F11 = toggle panel visibility */
yutani_key_bind(yctx, KEY_F11, KEY_MOD_LEFT_CTRL, YUTANI_BIND_STEAL);
/* Alt+F1 = show menu */
yutani_key_bind(yctx, KEY_F1, KEY_MOD_LEFT_ALT, YUTANI_BIND_STEAL);
/* Alt+F2 = show app runner */
yutani_key_bind(yctx, KEY_F2, KEY_MOD_LEFT_ALT, YUTANI_BIND_STEAL);
/* Alt+F3 = window context menu */
yutani_key_bind(yctx, KEY_F3, KEY_MOD_LEFT_ALT, YUTANI_BIND_STEAL);
/* This lets us receive all just-modifier key releases */
yutani_key_bind(yctx, KEY_LEFT_ALT, 0, YUTANI_BIND_PASSTHROUGH);
}
static void sig_usr2(int sig) {
yutani_set_stack(yctx, panel, YUTANI_ZORDER_TOP);
yutani_flip(yctx, panel);
bind_keys();
signal(SIGUSR2, sig_usr2);
}
static sprite_t * watchface = NULL;
static void watch_draw_line(gfx_context_t * ctx, int offset, double r, double a, double b, uint32_t color, float thickness) {
double theta = (a / b) * 2.0 * M_PI;
draw_line_aa(ctx,
70 + 4,
70 + 4 + sin(theta) * r,
70 + offset,
70 + offset - cos(theta) * r, color, thickness);
}
void _menu_draw_MenuEntry_Clock(gfx_context_t * ctx, struct MenuEntry * self, int offset) {
self->offset = offset;
draw_sprite(ctx, watchface, 4, offset);
struct timeval now;
struct tm * timeinfo;
gettimeofday(&now, NULL);
timeinfo = localtime((time_t *)&now.tv_sec);
double sec = timeinfo->tm_sec + (double)now.tv_usec / 1000000.0;
double min = timeinfo->tm_min + sec / 60.0;
double hour = (timeinfo->tm_hour % 12) + min / 60.0;
watch_draw_line(ctx, offset, 40, hour, 12, rgb(0,0,0), 2.0);
watch_draw_line(ctx, offset, 60, min, 60, rgb(0,0,0), 1.5);
watch_draw_line(ctx, offset, 65, sec, 60, rgb(240,0,0), 1.0);
}
static struct MenuEntryVTable clock_vtable = {
.methods = 3,
.renderer = _menu_draw_MenuEntry_Clock,
};
struct MenuEntry * menu_create_clock(void) {
struct MenuEntry * out = menu_create_separator(); /* Steal some defaults */
if (!watchface) {
watchface = malloc(sizeof(sprite_t));
load_sprite(watchface, "/usr/share/icons/watchface.png");
}
out->_type = -1; /* Special */
out->height = 140;
out->rwidth = 148;
out->vtable = &clock_vtable;
return out;
}
#define CALENDAR_LINE_HEIGHT 22
#define CALENDAR_BASE_HEIGHT 45
#define CALENDAR_PAD_HEIGHT 2
static int days_in_month(struct tm * timeinfo) {
static int days_in_months[] = {
31, 0, 31, 30, 31, 30, 31,
31, 30, 31, 30, 31,
};
if (timeinfo->tm_mon != 1) return days_in_months[timeinfo->tm_mon];
/* How many days in February? */
struct tm tmp;
memcpy(&tmp, timeinfo, sizeof(struct tm));
tmp.tm_mday = 29;
tmp.tm_hour = 12;
time_t tmp3 = mktime(&tmp);
struct tm * tmp2 = localtime(&tmp3);
return tmp2->tm_mday == 29 ? 29 : 28;
}
static int weeks_in_month(struct tm * timeinfo) {
int line = 0;
int wday = (36 + timeinfo->tm_wday - timeinfo->tm_mday) % 7;
for (int day = 1; day <= days_in_month(timeinfo); day++, (wday = (wday + 1) % 7)) {
if (wday == 6) {
line++;
}
}
return (wday ? line + 1 : line);
}
void _menu_draw_MenuEntry_Calendar(gfx_context_t * ctx, struct MenuEntry * self, int offset) {
self->offset = offset;
struct timeval now;
gettimeofday(&now, NULL);
struct tm actual;
struct tm * timeinfo;
timeinfo = localtime((time_t *)&now.tv_sec);
memcpy(&actual, timeinfo, sizeof(struct tm));
timeinfo = &actual;
/* Render heading with Month Year */
{
char month[20];
strftime(month, 20, "%B %Y", timeinfo);
tt_set_size(font_bold, 16);
tt_draw_string(ctx, font_bold, (self->width - tt_string_width(font_bold, month)) / 2, self->offset + 16, month, rgb(0,0,0));
}
/* Get ready to draw a table... */
int cell_size = self->width / 7;
int base_left = (self->width - cell_size * 7) / 2;
/* Render weekday abbreviations */
const char * weekdays[] = {"Su","Mo","Tu","We","Th","Fr","Sa",NULL};
int left = base_left;
tt_set_size(font, 11);
for (const char ** w = weekdays; *w; w++) {
tt_draw_string(ctx, font, left + (cell_size - tt_string_width(font,*w)) / 2,
self->offset + 22 + 13, *w, rgb(0,0,0));
left += cell_size;
}
int weeks = weeks_in_month(timeinfo);
self->height = CALENDAR_LINE_HEIGHT * weeks + CALENDAR_BASE_HEIGHT + CALENDAR_PAD_HEIGHT;
/* The 1st was a... */
int wday = (36 + timeinfo->tm_wday - timeinfo->tm_mday) % 7;
int line = 0;
left = base_left + cell_size * wday;
tt_set_size(font, 13);
for (int day = 1; day <= days_in_month(timeinfo); day++, (wday = (wday + 1) % 7)) {
char date[12];
snprintf(date, 11, "%d", day);
/* Is this the cell for today? */
if (day == timeinfo->tm_mday) {
draw_rounded_rectangle(ctx, left - 1, self->offset + CALENDAR_BASE_HEIGHT + line * CALENDAR_LINE_HEIGHT - 2, cell_size + 2, CALENDAR_LINE_HEIGHT, 12, SPECIAL_COLOR);
tt_draw_string(ctx, font, left + (cell_size - tt_string_width(font, date)) / 2,
self->offset + CALENDAR_BASE_HEIGHT + 13 + line * CALENDAR_LINE_HEIGHT, date, rgb(255,255,255));
} else {
tt_draw_string(ctx, font, left + (cell_size - tt_string_width(font, date)) / 2,
self->offset + CALENDAR_BASE_HEIGHT + 13 + line * CALENDAR_LINE_HEIGHT, date, (wday == 0 || wday == 6) ? rgba(0,0,0,120) : rgb(0,0,0));
}
if (wday == 6) {
left = base_left;
line++;
} else {
left += cell_size;
}
}
}
static struct MenuEntryVTable calendar_vtable = {
.methods = 3,
.renderer = _menu_draw_MenuEntry_Calendar,
};
/*
* Special menu entry to display a calendar
*/
struct MenuEntry * menu_create_calendar(void) {
struct MenuEntry * out = menu_create_separator(); /* Steal some defaults */
out->_type = -1; /* Special */
struct timeval now;
gettimeofday(&now, NULL);
out->height = CALENDAR_LINE_HEIGHT * weeks_in_month(localtime((time_t *)&now.tv_sec)) + CALENDAR_BASE_HEIGHT + CALENDAR_PAD_HEIGHT;
tt_set_size(font_mono, 13);
out->rwidth = 200; //tt_string_width(font_mono, "XX XX XX XX XX XX XX") + 20;
out->vtable = &calendar_vtable;
return out;
}
int main (int argc, char ** argv) {
if (argc < 2 || strcmp(argv[1],"--really")) {
fprintf(stderr,
"%s: Desktop environment panel / dock\n"
"\n"
" Renders the application menu, window list, widgets,\n"
" alt-tab window switcher, clock, etc.\n"
" You probably don't want to run this directly - it is\n"
" started automatically by the session manager.\n", argv[0]);
return 1;
}
/* Connect to window server */
yctx = yutani_init();
font = tt_font_from_shm("sans-serif");
font_bold = tt_font_from_shm("sans-serif.bold");
font_mono = tt_font_from_shm("monospace");
font_mono_bold = tt_font_from_shm("monospace.bold");
/* For convenience, store the display size */
width = yctx->display_width;
height = yctx->display_height;
/* Create the panel window */
panel = yutani_window_create_flags(yctx, width, PANEL_HEIGHT, YUTANI_WINDOW_FLAG_NO_STEAL_FOCUS | YUTANI_WINDOW_FLAG_ALT_ANIMATION);
/* And move it to the top layer */
yutani_set_stack(yctx, panel, YUTANI_ZORDER_TOP);
yutani_window_update_shape(yctx, panel, YUTANI_SHAPE_THRESHOLD_CLEAR);
/* Initialize graphics context against the window */
ctx = init_graphics_yutani_double_buffer(panel);
/* Clear it out (the compositor should initialize it cleared anyway */
draw_fill(ctx, rgba(0,0,0,0));
flip(ctx);
yutani_flip(yctx, panel);
/* Load textures for the background and logout button */
sprite_panel = malloc(sizeof(sprite_t));
sprite_logout = malloc(sizeof(sprite_t));
load_sprite(sprite_logout, "/usr/share/icons/panel-shutdown.png");
struct stat stat_tmp;
if (!stat("/dev/dsp",&stat_tmp)) {
widgets_volume_enabled = 1;
widgets_width += WIDGET_WIDTH;
sprite_volume_mute = malloc(sizeof(sprite_t));
sprite_volume_low = malloc(sizeof(sprite_t));
sprite_volume_med = malloc(sizeof(sprite_t));
sprite_volume_high = malloc(sizeof(sprite_t));
load_sprite(sprite_volume_mute, "/usr/share/icons/24/volume-mute.png");
load_sprite(sprite_volume_low, "/usr/share/icons/24/volume-low.png");
load_sprite(sprite_volume_med, "/usr/share/icons/24/volume-medium.png");
load_sprite(sprite_volume_high, "/usr/share/icons/24/volume-full.png");
/* XXX store current volume */
}
{
widgets_network_enabled = 1;
widgets_width += WIDGET_WIDTH;
sprite_net_active = malloc(sizeof(sprite_t));
load_sprite(sprite_net_active, "/usr/share/icons/24/net-active.png");
sprite_net_disabled = malloc(sizeof(sprite_t));
load_sprite(sprite_net_disabled, "/usr/share/icons/24/net-disconnected.png");
}
weather_refresh(NULL);
/* Draw the background */
redraw_panel_background(ctx, panel->width, panel->height);
/* Copy the prerendered background so we can redraw it quickly */
bg_size = panel->width * panel->height * sizeof(uint32_t);
bg_blob = malloc(bg_size);
memcpy(bg_blob, ctx->backbuffer, bg_size);
/* Catch SIGINT */
signal(SIGINT, sig_int);
signal(SIGUSR2, sig_usr2);
appmenu = menu_set_get_root(menu_set_from_description("/etc/panel.menu", launch_application_menu));
appmenu->flags = MENU_FLAG_BUBBLE_CENTER;
clockmenu = menu_create();
clockmenu->flags |= MENU_FLAG_BUBBLE_RIGHT;
menu_insert(clockmenu, menu_create_clock());
calmenu = menu_create();
calmenu->flags |= MENU_FLAG_BUBBLE_CENTER;
menu_insert(calmenu, menu_create_calendar());
window_menu = menu_create();
window_menu->flags |= MENU_FLAG_BUBBLE_LEFT;
menu_insert(window_menu, menu_create_normal(NULL, NULL, "Maximize", _window_menu_start_maximize));
menu_insert(window_menu, menu_create_normal(NULL, NULL, "Move", _window_menu_start_move));
menu_insert(window_menu, menu_create_separator());
menu_insert(window_menu, menu_create_normal(NULL, NULL, "Close", _window_menu_close));
logout_menu = menu_create();
logout_menu->flags |= MENU_FLAG_BUBBLE_RIGHT;
menu_insert(logout_menu, menu_create_normal("exit", "log-out", "Log Out", launch_application_menu));
/* Subscribe to window updates */
yutani_subscribe_windows(yctx);
/* Ask compositor for window list */
update_window_list();
/* Key bindings */
bind_keys();
time_t last_tick = 0;
int fds[1] = {fileno(yctx->sock)};
while (_continue) {
int index = fswait2(1,fds,clockmenu->window ? 50 : 200);
if (clockmenu->window) {
menu_force_redraw(clockmenu);
}
if (index == 0) {
/* Respond to Yutani events */
yutani_msg_t * m = yutani_poll(yctx);
while (m) {
menu_process_event(yctx, m);
switch (m->type) {
/* New window information is available */
case YUTANI_MSG_NOTIFY:
update_window_list();
break;
/* Mouse movement / click */
case YUTANI_MSG_WINDOW_MOUSE_EVENT:
panel_check_click((struct yutani_msg_window_mouse_event *)m->data);
break;
case YUTANI_MSG_KEY_EVENT:
handle_key_event((struct yutani_msg_key_event *)m->data);
break;
case YUTANI_MSG_WELCOME:
{
struct yutani_msg_welcome * mw = (void*)m->data;
width = mw->display_width;
height = mw->display_height;
yutani_window_resize(yctx, panel, mw->display_width, PANEL_HEIGHT);
}
break;
case YUTANI_MSG_RESIZE_OFFER:
{
struct yutani_msg_window_resize * wr = (void*)m->data;
resize_finish(wr->width, wr->height);
}
break;
default:
break;
}
free(m);
m = yutani_poll_async(yctx);
}
}
struct timeval now;
gettimeofday(&now, NULL);
if (now.tv_sec != last_tick) {
last_tick = now.tv_sec;
waitpid(-1, NULL, WNOHANG);
update_volume_level();
update_network_status();
update_weather_status();
redraw();
if (was_tabbing) {
redraw_alttab();
}
}
}
/* Close the panel window */
yutani_close(yctx, panel);
/* Stop notifying us of window changes */
yutani_unsubscribe_windows(yctx);
return 0;
}
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