Start on the incredibly ugly cocoa backend

src/Window.c

@@ -284,7 +284,7 @@ static LRESULT CALLBACK Window_Procedure(HWND handle, UINT message, WPARAM wPara
 		bool ext = (lParam & (1UL << 24)) != 0;
 
 		bool lShiftDown, rShiftDown;
-		Key mappedKey;
+		Key key;
 		switch (wParam)
 		{
 		case VK_SHIFT:
@@ -295,7 +295,7 @@ static LRESULT CALLBACK Window_Procedure(HWND handle, UINT message, WPARAM wPara
 			rShiftDown = ((USHORT)GetKeyState(VK_RSHIFT)) >> 15;
 
 			if (!pressed || lShiftDown != rShiftDown) {
-				Input_SetPressed(KEY_LSHIFT,  lShiftDown);
+				Input_SetPressed(KEY_LSHIFT, lShiftDown);
 				Input_SetPressed(KEY_RSHIFT, rShiftDown);
 			}
 			return 0;
@@ -311,8 +311,8 @@ static LRESULT CALLBACK Window_Procedure(HWND handle, UINT message, WPARAM wPara
 			return 0;
 
 		default:
-			mappedKey = Window_MapKey(wParam);
-			if (mappedKey) Input_SetPressed(mappedKey, pressed);
+			key = Window_MapKey(wParam);
+			if (key) Input_SetPressed(key, pressed);
 			return 0;
 		}
 	} break;
@@ -3652,3 +3652,129 @@ void GLContext_SetFpsLimit(bool vsync, float minFrameMs) {
 }
 #endif
 #endif
+
+
+
+#ifdef CC_BUILD_COCOA
+#include <objc/message.h>
+#include <objc/runtime.h>
+#include <stdlib.h>
+#include <stdio.h>
+static id appHandle;
+static id winHandle;
+
+typedef struct FailRect_ {
+	// TODO: use CGFloat because that works with 32 bit
+	double x, y;
+	double width, height;
+} FailRect;
+
+id Cocoa_SendIntPtr(id receiver, SEL op) {
+	IMP func = objc_msg_lookup(receiver, op);
+	return func(receiver, op);
+}
+
+id Cocoa_SendIntPtr_I(id receiver, SEL op, int a1) {
+	IMP func = objc_msg_lookup(receiver, op);
+	return func(receiver, op, a1);
+}
+
+id Cocoa_SendIntPtr_P(id receiver, SEL op, id a1) {
+	IMP func = objc_msg_lookup(receiver, op);
+	return func(receiver, op, a1);
+}
+
+void Cocoa_SendIntPtr_R(id receiver, SEL op, FailRect* r) {
+	IMP func = objc_msg_lookup(receiver, op);
+	func(receiver, op, r);
+}
+
+id cmacs_window_init_msgSend(id receiver, SEL op, FailRect a1, int a2, int a3, bool a4) {
+	IMP func = objc_msg_lookup(receiver, op);
+	return func(receiver, op, a1, a2, a3, a4);
+}
+
+void Window_Init(void) {
+	id screen, screens;
+	int count;
+	FailRect rect = { 1, 2, 3, 4 };
+
+	Platform_LogConst("hi world");
+	appHandle = Cocoa_SendIntPtr((id)objc_getClass("NSApplication"), sel_registerName("sharedApplication"));
+	Platform_LogConst("all gudd!!");
+
+
+	// TODO: why's this bit of code completely stuffed
+	screens = Cocoa_SendIntPtr((id)objc_getClass("NSScreen"), sel_registerName("screens"));
+	count = Cocoa_SendIntPtr(screens, sel_registerName("count"));
+	Platform_Log1("COUNT: %i", &count);
+
+	screen = Cocoa_SendIntPtr_I(screens, sel_registerName("objectAtIndex:"), 0);
+	Cocoa_SendIntPtr_R(screen, sel_registerName("frame"), &rect);
+	Platform_LogConst("GOT FRAME");
+	printf("STUFF: %f,%f,%f,%f", rect.x, rect.y, rect.width, rect.height);
+}
+
+#define NSTitledWindowMask         (1 << 0)
+#define NSClosableWindowMask       (1 << 1)
+#define NSMiniaturizableWindowMask (1 << 2)
+#define NSResizableWindowMask      (1 << 3)
+
+void Window_Create(int width, int height) {
+	id window;
+	Window_Width = width;
+	Window_Height = height;
+	Window_Exists = true;
+
+	winHandle = Cocoa_SendIntPtr((id)objc_getClass("NSWindow"), sel_registerName("alloc"));
+	winHandle = cmacs_window_init_msgSend(winHandle, sel_getUid("initWithContentRect:styleMask:backing:defer:"), (FailRect) { 0, 0, 1024, 460 }, (NSTitledWindowMask | NSClosableWindowMask | NSResizableWindowMask | NSMiniaturizableWindowMask), 0, false);
+
+	// TODO: move to setVisible
+	Cocoa_SendIntPtr_P(winHandle, sel_registerName("makeKeyAndOrderFront:"), appHandle);
+	Platform_LogConst("made window");
+}
+
+void Window_SetTitle(const String* title) { }
+void Clipboard_GetText(String* value) { }
+void Clipboard_SetText(const String* value) { }
+
+void Window_SetVisible(bool visible) { }
+int Window_GetWindowState(void) { return 0; }
+void Window_EnterFullscreen(void) { }
+void Window_ExitFullscreen(void) { }
+
+void Window_SetSize(int width, int height) { }
+void Window_Close(void) { }
+void Window_ProcessEvents(void) { }
+
+static void Cursor_GetRawPos(int* x, int* y) { *x = 0; *y = 0; }
+void Cursor_SetPosition(int x, int y) { }
+void Cursor_SetVisible(bool visible) { }
+void Window_ShowDialog(const char* title, const char* msg) { }
+
+void Window_AllocFramebuffer(Bitmap* bmp) {
+	bmp->Scan0 = (cc_uint8*)Mem_Alloc(bmp->Width * bmp->Height, 4, "window pixels");
+}
+
+void Window_DrawFramebuffer(Rect2D r) {
+}
+
+void Window_FreeFramebuffer(Bitmap* bmp) {
+	Mem_Free(bmp->Scan0);
+}
+
+void Window_OpenKeyboard(void) { }
+void Window_CloseKeyboard(void) { }
+
+void Window_EnableRawMouse(void) { }
+void Window_UpdateRawMouse(void) { }
+void Window_DisableRawMouse(void) { }
+
+void GLContext_Init(struct GraphicsMode* mode) { }
+void GLContext_Update(void) { }
+bool GLContext_TryRestore(void) { return true; }
+void GLContext_Free(void) { }
+void* GLContext_GetAddress(const char* function) { return NULL; }
+bool GLContext_SwapBuffers(void) { return true; }
+void GLContext_SetFpsLimit(bool vsync, float minFrameMs) { }
+#endif