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Show the app icon on the macOS Dock via AppKit.

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
pepaskopec-blip 2026-09-15 12:53:14 +02:00
commit 6060a8d874
5 changed files with 97 additions and 6 deletions
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55
macos_dock.c Normal file
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#include "maturita.h"
#ifdef __APPLE__
#include <objc/message.h>
#include <objc/runtime.h>
/* Set the macOS Dock tile icon. GTK's window icon-name is ignored on
* Quartz, so we talk to AppKit directly via the Objective-C runtime. */
void macos_set_dock_icon(const char *path) {
Class nsstring;
Class nsimage;
Class nsapp;
id path_str;
id image;
id app;
if (!path || !path[0])
return;
nsstring = objc_getClass("NSString");
nsimage = objc_getClass("NSImage");
nsapp = objc_getClass("NSApplication");
if (!nsstring || !nsimage || !nsapp)
return;
path_str = ((id (*)(Class, SEL, const char *))objc_msgSend)(
nsstring, sel_registerName("stringWithUTF8String:"), path);
if (!path_str)
return;
/* NSImage has -initWithContentsOfFile:, not +imageWithContentsOfFile:. */
image = ((id (*)(id, SEL, id))objc_msgSend)(
((id (*)(Class, SEL))objc_msgSend)(
nsimage, sel_registerName("alloc")),
sel_registerName("initWithContentsOfFile:"),
path_str);
if (!image)
return;
app = ((id (*)(Class, SEL))objc_msgSend)(
nsapp, sel_registerName("sharedApplication"));
if (!app) {
((void (*)(id, SEL))objc_msgSend)(image, sel_registerName("release"));
return;
}
((void (*)(id, SEL, id))objc_msgSend)(
app, sel_registerName("setApplicationIconImage:"), image);
((void (*)(id, SEL))objc_msgSend)(image, sel_registerName("release"));
}
#else
void macos_set_dock_icon(const char *path) {
(void)path;
}
#endif