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docker-tray/tray.h
2020-02-10 22:23:00 +05:30

372 lines
11 KiB
C

//https://github.com/zserge/tray
#ifndef TRAY_H
#define TRAY_H
struct tray_menu;
struct tray {
char *icon;
struct tray_menu *menu;
};
struct tray_menu {
char *text;
int disabled;
int checked;
void (*cb)(struct tray_menu *);
void *context;
struct tray_menu *submenu;
};
static void tray_update(struct tray *tray);
#if defined(TRAY_APPINDICATOR)
#include <gtk/gtk.h>
#include <libappindicator/app-indicator.h>
#define TRAY_APPINDICATOR_ID "tray-id"
static AppIndicator *indicator = NULL;
static int loop_result = 0;
static void _tray_menu_cb(GtkMenuItem *item, gpointer data) {
(void)item;
struct tray_menu *m = (struct tray_menu *)data;
m->cb(m);
}
static GtkMenuShell *_tray_menu(struct tray_menu *m) {
GtkMenuShell *menu = (GtkMenuShell *)gtk_menu_new();
for (; m != NULL && m->text != NULL; m++) {
GtkWidget *item;
if (strcmp(m->text, "-") == 0) {
item = gtk_separator_menu_item_new();
} else {
if (m->submenu != NULL) {
item = gtk_menu_item_new_with_label(m->text);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(item),
GTK_WIDGET(_tray_menu(m->submenu)));
} else {
item = gtk_check_menu_item_new_with_label(m->text);
gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(item), !!m->checked);
}
gtk_widget_set_sensitive(item, !m->disabled);
if (m->cb != NULL) {
g_signal_connect(item, "activate", G_CALLBACK(_tray_menu_cb), m);
}
}
gtk_widget_show(item);
gtk_menu_shell_append(menu, item);
}
return menu;
}
static int tray_init(struct tray *tray) {
if (gtk_init_check(0, NULL) == FALSE) {
return -1;
}
indicator = app_indicator_new(TRAY_APPINDICATOR_ID, tray->icon,
APP_INDICATOR_CATEGORY_APPLICATION_STATUS);
app_indicator_set_status(indicator, APP_INDICATOR_STATUS_ACTIVE);
tray_update(tray);
return 0;
}
static int tray_loop(int blocking) {
gtk_main_iteration_do(blocking);
return loop_result;
}
static void tray_update(struct tray *tray) {
app_indicator_set_icon(indicator, tray->icon);
// GTK is all about reference counting, so previous menu should be destroyed
// here
app_indicator_set_menu(indicator, GTK_MENU(_tray_menu(tray->menu)));
}
static void tray_exit() { loop_result = -1; }
#elif defined(TRAY_APPKIT)
#include <objc/objc-runtime.h>
#include <limits.h>
static id app;
static id pool;
static id statusBar;
static id statusItem;
static id statusBarButton;
static id _tray_menu(struct tray_menu *m) {
id menu = objc_msgSend((id)objc_getClass("NSMenu"), sel_registerName("new"));
objc_msgSend(menu, sel_registerName("autorelease"));
objc_msgSend(menu, sel_registerName("setAutoenablesItems:"), false);
for (; m != NULL && m->text != NULL; m++) {
if (strcmp(m->text, "-") == 0) {
objc_msgSend(menu, sel_registerName("addItem:"),
objc_msgSend((id)objc_getClass("NSMenuItem"), sel_registerName("separatorItem")));
} else {
id menuItem = objc_msgSend((id)objc_getClass("NSMenuItem"), sel_registerName("alloc"));
objc_msgSend(menuItem, sel_registerName("autorelease"));
objc_msgSend(menuItem, sel_registerName("initWithTitle:action:keyEquivalent:"),
objc_msgSend((id)objc_getClass("NSString"), sel_registerName("stringWithUTF8String:"), m->text),
sel_registerName("menuCallback:"),
objc_msgSend((id)objc_getClass("NSString"), sel_registerName("stringWithUTF8String:"), ""));
objc_msgSend(menuItem, sel_registerName("setEnabled:"), (m->disabled ? false : true));
objc_msgSend(menuItem, sel_registerName("setState:"), (m->checked ? 1 : 0));
objc_msgSend(menuItem, sel_registerName("setRepresentedObject:"),
objc_msgSend((id)objc_getClass("NSValue"), sel_registerName("valueWithPointer:"), m));
objc_msgSend(menu, sel_registerName("addItem:"), menuItem);
if (m->submenu != NULL) {
objc_msgSend(menu, sel_registerName("setSubmenu:forItem:"), _tray_menu(m->submenu), menuItem);
}
}
}
return menu;
}
static void menu_callback(id self, SEL cmd, id sender) {
struct tray_menu *m =
(struct tray_menu *)objc_msgSend(objc_msgSend(sender, sel_registerName("representedObject")),
sel_registerName("pointerValue"));
if (m != NULL && m->cb != NULL) {
m->cb(m);
}
}
static int tray_init(struct tray *tray) {
pool = objc_msgSend((id)objc_getClass("NSAutoreleasePool"),
sel_registerName("new"));
objc_msgSend((id)objc_getClass("NSApplication"),
sel_registerName("sharedApplication"));
Class trayDelegateClass = objc_allocateClassPair(objc_getClass("NSObject"), "Tray", 0);
class_addProtocol(trayDelegateClass, objc_getProtocol("NSApplicationDelegate"));
class_addMethod(trayDelegateClass, sel_registerName("menuCallback:"), (IMP)menu_callback, "v@:@");
objc_registerClassPair(trayDelegateClass);
id trayDelegate = objc_msgSend((id)trayDelegateClass,
sel_registerName("new"));
app = objc_msgSend((id)objc_getClass("NSApplication"),
sel_registerName("sharedApplication"));
objc_msgSend(app, sel_registerName("setDelegate:"), trayDelegate);
statusBar = objc_msgSend((id)objc_getClass("NSStatusBar"),
sel_registerName("systemStatusBar"));
statusItem = objc_msgSend(statusBar, sel_registerName("statusItemWithLength:"), -1.0);
objc_msgSend(statusItem, sel_registerName("retain"));
objc_msgSend(statusItem, sel_registerName("setHighlightMode:"), true);
statusBarButton = objc_msgSend(statusItem, sel_registerName("button"));
tray_update(tray);
objc_msgSend(app, sel_registerName("activateIgnoringOtherApps:"), true);
return 0;
}
static int tray_loop(int blocking) {
id until = (blocking ?
objc_msgSend((id)objc_getClass("NSDate"), sel_registerName("distantFuture")) :
objc_msgSend((id)objc_getClass("NSDate"), sel_registerName("distantPast")));
id event = objc_msgSend(app, sel_registerName("nextEventMatchingMask:untilDate:inMode:dequeue:"),
ULONG_MAX,
until,
objc_msgSend((id)objc_getClass("NSString"),
sel_registerName("stringWithUTF8String:"),
"kCFRunLoopDefaultMode"),
true);
if (event) {
objc_msgSend(app, sel_registerName("sendEvent:"), event);
}
return 0;
}
static void tray_update(struct tray *tray) {
objc_msgSend(statusBarButton, sel_registerName("setImage:"),
objc_msgSend((id)objc_getClass("NSImage"), sel_registerName("imageNamed:"),
objc_msgSend((id)objc_getClass("NSString"), sel_registerName("stringWithUTF8String:"), tray->icon)));
objc_msgSend(statusItem, sel_registerName("setMenu:"), _tray_menu(tray->menu));
}
static void tray_exit() { objc_msgSend(app, sel_registerName("terminate:"), app); }
#elif defined(TRAY_WINAPI)
#include <windows.h>
#include <shellapi.h>
#define WM_TRAY_CALLBACK_MESSAGE (WM_USER + 1)
#define WC_TRAY_CLASS_NAME "TRAY"
#define ID_TRAY_FIRST 1000
static WNDCLASSEX wc;
static NOTIFYICONDATA nid;
static HWND hwnd;
static HMENU hmenu = NULL;
static LRESULT CALLBACK _tray_wnd_proc(HWND hwnd, UINT msg, WPARAM wparam,
LPARAM lparam) {
switch (msg) {
case WM_CLOSE:
DestroyWindow(hwnd);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
case WM_TRAY_CALLBACK_MESSAGE:
if (lparam == WM_LBUTTONUP || lparam == WM_RBUTTONUP) {
POINT p;
GetCursorPos(&p);
SetForegroundWindow(hwnd);
WORD cmd = TrackPopupMenu(hmenu, TPM_LEFTALIGN | TPM_RIGHTBUTTON |
TPM_RETURNCMD | TPM_NONOTIFY,
p.x, p.y, 0, hwnd, NULL);
SendMessage(hwnd, WM_COMMAND, cmd, 0);
return 0;
}
break;
case WM_COMMAND:
if (wparam >= ID_TRAY_FIRST) {
MENUITEMINFO item = {
.cbSize = sizeof(MENUITEMINFO), .fMask = MIIM_ID | MIIM_DATA,
};
if (GetMenuItemInfo(hmenu, wparam, FALSE, &item)) {
struct tray_menu *menu = (struct tray_menu *)item.dwItemData;
if (menu != NULL && menu->cb != NULL) {
menu->cb(menu);
}
}
return 0;
}
break;
}
return DefWindowProc(hwnd, msg, wparam, lparam);
}
static HMENU _tray_menu(struct tray_menu *m, UINT *id) {
HMENU hmenu = CreatePopupMenu();
for (; m != NULL && m->text != NULL; m++, (*id)++) {
if (strcmp(m->text, "-") == 0) {
InsertMenu(hmenu, *id, MF_SEPARATOR, TRUE, "");
} else {
MENUITEMINFO item;
memset(&item, 0, sizeof(item));
item.cbSize = sizeof(MENUITEMINFO);
item.fMask = MIIM_ID | MIIM_TYPE | MIIM_STATE | MIIM_DATA;
item.fType = 0;
item.fState = 0;
if (m->submenu != NULL) {
item.fMask = item.fMask | MIIM_SUBMENU;
item.hSubMenu = _tray_menu(m->submenu, id);
}
if (m->disabled) {
item.fState |= MFS_DISABLED;
}
if (m->checked) {
item.fState |= MFS_CHECKED;
}
item.wID = *id;
item.dwTypeData = m->text;
item.dwItemData = (ULONG_PTR)m;
InsertMenuItem(hmenu, *id, TRUE, &item);
}
}
return hmenu;
}
static int tray_init(struct tray *tray) {
memset(&wc, 0, sizeof(wc));
wc.cbSize = sizeof(WNDCLASSEX);
wc.lpfnWndProc = _tray_wnd_proc;
wc.hInstance = GetModuleHandle(NULL);
wc.lpszClassName = WC_TRAY_CLASS_NAME;
if (!RegisterClassEx(&wc)) {
return -1;
}
hwnd = CreateWindowEx(0, WC_TRAY_CLASS_NAME, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0);
if (hwnd == NULL) {
return -1;
}
UpdateWindow(hwnd);
memset(&nid, 0, sizeof(nid));
nid.cbSize = sizeof(NOTIFYICONDATA);
nid.hWnd = hwnd;
nid.uID = 0;
nid.uFlags = NIF_ICON | NIF_MESSAGE;
nid.uCallbackMessage = WM_TRAY_CALLBACK_MESSAGE;
Shell_NotifyIcon(NIM_ADD, &nid);
tray_update(tray);
return 0;
}
static int tray_loop(int blocking) {
MSG msg;
if (blocking) {
GetMessage(&msg, NULL, 0, 0);
} else {
PeekMessage(&msg, NULL, 0, 0, PM_REMOVE);
}
if (msg.message == WM_QUIT) {
return -1;
}
TranslateMessage(&msg);
DispatchMessage(&msg);
return 0;
}
static void tray_update(struct tray *tray) {
HMENU prevmenu = hmenu;
UINT id = ID_TRAY_FIRST;
hmenu = _tray_menu(tray->menu, &id);
SendMessage(hwnd, WM_INITMENUPOPUP, (WPARAM)hmenu, 0);
HICON icon;
ExtractIconEx(tray->icon, 0, NULL, &icon, 1);
if (nid.hIcon) {
DestroyIcon(nid.hIcon);
}
nid.hIcon = icon;
Shell_NotifyIcon(NIM_MODIFY, &nid);
if (prevmenu != NULL) {
DestroyMenu(prevmenu);
}
}
static void tray_exit() {
Shell_NotifyIcon(NIM_DELETE, &nid);
if (nid.hIcon != 0) {
DestroyIcon(nid.hIcon);
}
if (hmenu != 0) {
DestroyMenu(hmenu);
}
PostQuitMessage(0);
UnregisterClass(WC_TRAY_CLASS_NAME, GetModuleHandle(NULL));
}
#else
static int tray_init(struct tray *tray) { return -1; }
static int tray_loop(int blocking) { return -1; }
static void tray_update(struct tray *tray) {}
static void tray_exit();
#endif
#endif /* TRAY_H */