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Support theme mode change event

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This commit is contained in:
Lea Anthony
2020-10-02 15:12:56 +10:00
parent d8fdc96899
commit 7f9c59a021
1 changed files with 35 additions and 14 deletions
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49
v2/internal/ffenestri/ffenestri_darwin.c
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@@ -278,6 +278,32 @@ void closeWindow(id self, SEL cmd, id sender) {
app->sendMessageToBackend("WC");
}
bool isDarkMode(struct Application *app) {
id userDefaults = msg(c("NSUserDefaults"), s("standardUserDefaults"));
const char *mode = cstr(msg(userDefaults, s("stringForKey:"), str("AppleInterfaceStyle")));
return ( mode != NULL && strcmp(mode, "Dark") == 0 );
}
void ExecJS(struct Application *app, const char *js) {
ON_MAIN_THREAD(
msg(app->wkwebview,
s("evaluateJavaScript:completionHandler:"),
str(js),
NULL);
);
}
void themeChanged(id self, SEL cmd, id sender) {
struct Application *app = (struct Application *)objc_getAssociatedObject(
self, "application");
bool currentThemeIsDark = isDarkMode(app);
if ( currentThemeIsDark ) {
ExecJS(app, "window.wails.Events.Emit( 'wails:system:themechange', true );");
} else {
ExecJS(app, "window.wails.Events.Emit( 'wails:system:themechange', false );");
}
}
// void willFinishLaunching(id self) {
// struct Application *app = (struct Application *) objc_getAssociatedObject(self, "application");
// Debug("willFinishLaunching called!");
@@ -683,14 +709,6 @@ void SetMaxWindowSize(struct Application *app, int maxWidth, int maxHeight)
}
}
void ExecJS(struct Application *app, const char *js) {
ON_MAIN_THREAD(
msg(app->wkwebview,
s("evaluateJavaScript:completionHandler:"),
str(js),
NULL);
);
}
void SetDebug(void *applicationPointer, int flag) {
debug = flag;
@@ -760,12 +778,8 @@ void createApplication(struct Application *app) {
void DarkModeEnabled(struct Application *app, const char *callbackID) {
ON_MAIN_THREAD(
id userDefaults = msg(c("NSUserDefaults"), s("standardUserDefaults"));
const char *mode = cstr(msg(userDefaults, s("stringForKey:"), str("AppleInterfaceStyle")));
const char *result = "F";
if ( mode != NULL && strcmp(mode, "Dark") == 0 ) {
result = "T";
}
const char *result = isDarkMode(app) ? "T" : "F";
// Construct callback message. Format "SD<callbackID>|<json array of strings>"
const char *callback = concat("SD", callbackID);
const char *header = concat(callback, "|");
@@ -795,6 +809,13 @@ void createDelegate(struct Application *app) {
id delegate = msg((id)delegateClass, s("new"));
objc_setAssociatedObject(delegate, "application", (id)app, OBJC_ASSOCIATION_ASSIGN);
// Theme change listener
class_addMethod(delegateClass, s("themeChanged:"), (IMP) themeChanged, "v@:@@");
// Get defaultCenter
id defaultCenter = msg(c("NSDistributedNotificationCenter"), s("defaultCenter"));
msg(defaultCenter, s("addObserver:selector:name:object:"), delegate, s("themeChanged:"), str("AppleInterfaceThemeChangedNotification"), NULL);
app->delegate = delegate;
msg(app->application, s("setDelegate:"), delegate);