diff src/video/cocoa/SDL_cocoawindow.m @ 1933:7ee5297340f7

Implemented Cocoa window support
author Sam Lantinga <slouken@libsdl.org>
date Mon, 24 Jul 2006 05:03:02 +0000
parents
children 83946ee0ff1f
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/cocoa/SDL_cocoawindow.m	Mon Jul 24 05:03:02 2006 +0000
@@ -0,0 +1,557 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "SDL_syswm.h"
+#include "../SDL_sysvideo.h"
+#include "../../events/SDL_keyboard_c.h"
+#include "../../events/SDL_mouse_c.h"
+#include "../../events/SDL_windowevents_c.h"
+
+#include "SDL_cocoavideo.h"
+
+static __inline__ void ConvertNSRect(NSRect *r)
+{
+    r->origin.y = CGDisplayPixelsHigh(kCGDirectMainDisplay) - r->origin.y - r->size.height;
+}
+
+@implementation Cocoa_WindowListener
+
+- (void)listen:(SDL_WindowData *)data
+{
+    NSNotificationCenter *center;
+
+    _data = data;
+
+    center = [NSNotificationCenter defaultCenter];
+
+    [_data->window setNextResponder:self];
+    if ([_data->window delegate] != nil) {
+        [center addObserver:self selector:@selector(windowDisExpose:) name:NSWindowDidExposeNotification object:_data->window];
+        [center addObserver:self selector:@selector(windowDidMove:) name:NSWindowDidMoveNotification object:_data->window];
+        [center addObserver:self selector:@selector(windowDidResize:) name:NSWindowDidResizeNotification object:_data->window];
+        [center addObserver:self selector:@selector(windowDidMiniaturize:) name:NSWindowDidMiniaturizeNotification object:_data->window];
+        [center addObserver:self selector:@selector(windowDidDeminiaturize:) name:NSWindowDidDeminiaturizeNotification object:_data->window];
+        [center addObserver:self selector:@selector(windowDidBecomeKey:) name:NSWindowDidBecomeKeyNotification object:_data->window];
+        [center addObserver:self selector:@selector(windowDidResignKey:) name:NSWindowDidResignKeyNotification object:_data->window];
+    } else {
+        [_data->window setDelegate:self];
+    }
+    [center addObserver:self selector:@selector(windowDidHide:) name:NSApplicationDidHideNotification object:NSApp];
+    [center addObserver:self selector:@selector(windowDidUnhide:) name:NSApplicationDidUnhideNotification object:NSApp];
+
+    [_data->window setAcceptsMouseMovedEvents:YES];
+}
+
+- (void)close
+{
+    NSNotificationCenter *center;
+
+    center = [NSNotificationCenter defaultCenter];
+
+    [_data->window setNextResponder:nil];
+    if ([_data->window delegate] != self) {
+        [center removeObserver:self name:NSWindowDidExposeNotification object:_data->window];
+        [center removeObserver:self name:NSWindowDidMoveNotification object:_data->window];
+        [center removeObserver:self name:NSWindowDidResizeNotification object:_data->window];
+        [center removeObserver:self name:NSWindowDidMiniaturizeNotification object:_data->window];
+        [center removeObserver:self name:NSWindowDidDeminiaturizeNotification object:_data->window];
+        [center removeObserver:self name:NSWindowDidBecomeKeyNotification object:_data->window];
+        [center removeObserver:self name:NSWindowDidResignKeyNotification object:_data->window];
+    } else {
+        [_data->window setDelegate:nil];
+    }
+    [center removeObserver:self name:NSApplicationDidHideNotification object:NSApp];
+    [center removeObserver:self name:NSApplicationDidUnhideNotification object:NSApp];
+}
+
+- (BOOL)windowShouldClose:(id)sender
+{
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_CLOSE, 0, 0);
+    return NO;
+}
+
+- (void)windowDidExpose:(NSNotification *)aNotification
+{
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_EXPOSED, 0, 0);
+}
+
+- (void)windowDidMove:(NSNotification *)aNotification
+{
+    int x, y;
+    NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
+    ConvertNSRect(&rect);
+    x = (int)rect.origin.x;
+    y = (int)rect.origin.y;
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_MOVED, x, y);
+}
+
+- (void)windowDidResize:(NSNotification *)aNotification
+{
+    int w, h;
+    NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
+    w = (int)rect.size.width;
+    h = (int)rect.size.height;
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_RESIZED, w, h);
+}
+
+- (void)windowDidMiniaturize:(NSNotification *)aNotification
+{
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
+}
+
+- (void)windowDidDeminiaturize:(NSNotification *)aNotification
+{
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_RESTORED, 0, 0);
+}
+
+- (void)windowDidBecomeKey:(NSNotification *)aNotification
+{
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_FOCUS_GAINED, 0, 0);
+}
+
+- (void)windowDidResignKey:(NSNotification *)aNotification
+{
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
+}
+
+- (void)windowDidHide:(NSNotification *)aNotification
+{
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_HIDDEN, 0, 0);
+}
+
+- (void)windowDidUnhide:(NSNotification *)aNotification
+{
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_SHOWN, 0, 0);
+}
+
+- (void)mouseDown:(NSEvent *)theEvent
+{
+    int index;
+
+    index = _data->videodata->mouse;
+    SDL_SendMouseButton(index, SDL_PRESSED, SDL_BUTTON_LEFT);
+}
+
+- (void)rightMouseDown:(NSEvent *)theEvent
+{
+    int index;
+
+    index = _data->videodata->mouse;
+    SDL_SendMouseButton(index, SDL_PRESSED, SDL_BUTTON_RIGHT);
+}
+
+- (void)otherMouseDown:(NSEvent *)theEvent
+{
+    int index;
+
+    index = _data->videodata->mouse;
+    SDL_SendMouseButton(index, SDL_PRESSED, SDL_BUTTON_MIDDLE);
+}
+
+- (void)mouseUp:(NSEvent *)theEvent
+{
+    int index;
+
+    index = _data->videodata->mouse;
+    SDL_SendMouseButton(index, SDL_RELEASED, SDL_BUTTON_LEFT);
+}
+
+- (void)rightMouseUp:(NSEvent *)theEvent
+{
+    int index;
+
+    index = _data->videodata->mouse;
+    SDL_SendMouseButton(index, SDL_RELEASED, SDL_BUTTON_RIGHT);
+}
+
+- (void)otherMouseUp:(NSEvent *)theEvent
+{
+    int index;
+
+    index = _data->videodata->mouse;
+    SDL_SendMouseButton(index, SDL_RELEASED, SDL_BUTTON_MIDDLE);
+}
+
+- (void)mouseMoved:(NSEvent *)theEvent
+{
+    int index;
+    SDL_Mouse *mouse;
+    NSPoint point;
+    NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
+
+    index = _data->videodata->mouse;
+    mouse = SDL_GetMouse(index);
+    if (mouse->focus != _data->windowID) {
+        SDL_SetMouseFocus(index, _data->windowID);
+    }
+
+    point = [NSEvent mouseLocation];
+    point.x = point.x - rect.origin.x;
+    point.y = rect.size.height - (point.y - rect.origin.y);
+    SDL_SendMouseMotion(index, 0, (int)point.x, (int)point.y);
+}
+
+- (void)scrollWheel:(NSEvent *)theEvent
+{
+fprintf(stderr, "scrollWheel\n");
+}
+
+- (void)mouseEntered:(NSEvent *)theEvent
+{
+fprintf(stderr, "mouseEntered\n");
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_ENTER, 0, 0);
+}
+
+- (void)mouseExited:(NSEvent *)theEvent
+{
+fprintf(stderr, "mouseExited\n");
+    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_LEAVE, 0, 0);
+}
+
+- (void)keyDown:(NSEvent *)theEvent
+{
+fprintf(stderr, "keyDown\n");
+}
+
+- (void)keyUp:(NSEvent *)theEvent
+{
+fprintf(stderr, "keyUp\n");
+}
+
+@end
+
+static int
+SetupWindowData(SDL_Window * window, NSWindow *nswindow, BOOL created)
+{
+    NSAutoreleasePool *pool;
+    SDL_WindowData *data;
+
+    /* Allocate the window data */
+    data = (SDL_WindowData *) SDL_malloc(sizeof(*data));
+    if (!data) {
+        SDL_OutOfMemory();
+        return -1;
+    }
+    data->windowID = window->id;
+    data->window = nswindow;
+    data->created = created;
+    data->videodata = (SDL_VideoData *) SDL_GetVideoDevice()->driverdata;
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    /* Create an event listener for the window */
+    data->listener = [[Cocoa_WindowListener alloc] init];
+    [data->listener listen:data];
+
+    /* Fill in the SDL window with the window data */
+    {
+        NSRect rect = [nswindow contentRectForFrameRect:[nswindow frame]];
+        ConvertNSRect(&rect);
+        window->x = (int)rect.origin.x;
+        window->y = (int)rect.origin.y;
+        window->w = (int)rect.size.width;
+        window->h = (int)rect.size.height;
+    }
+    if ([nswindow isVisible]) {
+        window->flags |= SDL_WINDOW_SHOWN;
+    } else {
+        window->flags &= ~SDL_WINDOW_SHOWN;
+    }
+    {
+        unsigned int style = [nswindow styleMask];
+
+        if (style == NSBorderlessWindowMask) {
+            window->flags |= SDL_WINDOW_BORDERLESS;
+        } else {
+            window->flags &= ~SDL_WINDOW_BORDERLESS;
+        }
+        if (style & NSResizableWindowMask) {
+            window->flags |= SDL_WINDOW_RESIZABLE;
+        } else {
+            window->flags &= ~SDL_WINDOW_RESIZABLE;
+        }
+    }
+    if ([nswindow isZoomed]) {
+        window->flags |= SDL_WINDOW_MAXIMIZED;
+    } else {
+        window->flags &= ~SDL_WINDOW_MAXIMIZED;
+    }
+    if ([nswindow isMiniaturized]) {
+        window->flags |= SDL_WINDOW_MINIMIZED;
+    } else {
+        window->flags &= ~SDL_WINDOW_MINIMIZED;
+    }
+    if ([nswindow isKeyWindow]) {
+        int index = data->videodata->keyboard;
+        window->flags |= SDL_WINDOW_INPUT_FOCUS;
+        SDL_SetKeyboardFocus(index, data->windowID);
+
+        if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
+            /* FIXME */
+        }
+    }
+
+    /* All done! */
+    [pool release];
+    window->driverdata = data;
+    return 0;
+}
+
+int
+Cocoa_CreateWindow(_THIS, SDL_Window * window)
+{
+    NSAutoreleasePool *pool;
+    NSWindow *nswindow;
+    NSRect rect;
+    unsigned int style;
+    NSString *title;
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    if ((window->flags & SDL_WINDOW_FULLSCREEN) ||
+        window->x == SDL_WINDOWPOS_CENTERED) {
+        rect.origin.x = (CGDisplayPixelsWide(kCGDirectMainDisplay) - window->w) / 2;
+    } else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
+        rect.origin.x = 0;
+    } else {
+        rect.origin.x = window->x;
+    }
+    if ((window->flags & SDL_WINDOW_FULLSCREEN) ||
+        window->y == SDL_WINDOWPOS_CENTERED) {
+        rect.origin.y = (CGDisplayPixelsHigh(kCGDirectMainDisplay) - window->h) / 2;
+    } else if (window->y == SDL_WINDOWPOS_UNDEFINED) {
+        rect.origin.y = 0;
+    } else {
+        rect.origin.y = window->y;
+    }
+    rect.size.width = window->w;
+    rect.size.height = window->h;
+    ConvertNSRect(&rect);
+
+    if (window->flags & SDL_WINDOW_BORDERLESS) {
+        style = NSBorderlessWindowMask;
+    } else {
+        style = (NSTitledWindowMask|NSClosableWindowMask|NSMiniaturizableWindowMask);
+    }
+    if (window->flags & SDL_WINDOW_RESIZABLE) {
+        style |= NSResizableWindowMask;
+    }
+
+    nswindow = [[NSWindow alloc] initWithContentRect:rect styleMask:style backing:NSBackingStoreBuffered defer:FALSE];
+
+    if (window->flags & SDL_WINDOW_SHOWN) {
+        [nswindow makeKeyAndOrderFront:nil];
+    }
+    if (window->flags & SDL_WINDOW_MAXIMIZED) {
+        [nswindow performZoom:nil];
+    }
+    if (window->flags & SDL_WINDOW_MINIMIZED) {
+        [nswindow performMiniaturize:nil];
+    }
+
+    if (window->title) {
+        title = [[NSString alloc] initWithUTF8String:window->title];
+        [nswindow setTitle:title];
+        [nswindow setMiniwindowTitle:title];
+        [title release];
+    }
+
+    [pool release];
+
+    if (SetupWindowData(window, nswindow, YES) < 0) {
+        [nswindow release];
+        [pool release];
+        return -1;
+    }
+#ifdef SDL_VIDEO_OPENGL
+    /*
+    if (window->flags & SDL_WINDOW_OPENGL) {
+        if (Cocoa_GL_SetupWindow(_this, window) < 0) {
+            Cocoa_DestroyWindow(_this, window);
+            return -1;
+        }
+    }
+    */
+#endif
+    return 0;
+}
+
+int
+Cocoa_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
+{
+    NSAutoreleasePool *pool;
+    NSWindow *nswindow = (NSWindow *) data;
+    NSString *title;
+    int status;
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    /* Query the title from the existing window */
+    title = [nswindow title];
+    if (title) {
+        window->title = SDL_strdup([title UTF8String]);
+    }
+
+    [pool release];
+
+    return SetupWindowData(window, nswindow, NO);
+}
+
+void
+Cocoa_SetWindowTitle(_THIS, SDL_Window * window)
+{
+    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
+    NSString *string;
+
+    string = [[NSString alloc] initWithUTF8String:window->title];
+    [nswindow setTitle:string];
+    [nswindow setMiniwindowTitle:string];
+    [string release];
+}
+
+void
+Cocoa_SetWindowPosition(_THIS, SDL_Window * window)
+{
+    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
+    NSRect rect;
+
+    rect.origin.x = window->x;
+    rect.origin.y = window->y;
+    rect.size.width = window->w;
+    rect.size.height = window->h;
+    ConvertNSRect(&rect);
+    rect = [nswindow frameRectForContentRect:rect];
+    [nswindow setFrameOrigin:rect.origin];
+}
+
+void
+Cocoa_SetWindowSize(_THIS, SDL_Window * window)
+{
+    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
+    NSSize size;
+
+    size.width = window->w;
+    size.height = window->h;
+    [nswindow setContentSize:size];
+}
+
+void
+Cocoa_ShowWindow(_THIS, SDL_Window * window)
+{
+    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
+
+    [nswindow makeKeyAndOrderFront:nil];
+}
+
+void
+Cocoa_HideWindow(_THIS, SDL_Window * window)
+{
+    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
+
+    /* FIXME */
+}
+
+void
+Cocoa_RaiseWindow(_THIS, SDL_Window * window)
+{
+    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
+
+    [nswindow makeKeyAndOrderFront:nil];
+}
+
+void
+Cocoa_MaximizeWindow(_THIS, SDL_Window * window)
+{
+    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
+
+    [nswindow performZoom:nil];
+}
+
+void
+Cocoa_MinimizeWindow(_THIS, SDL_Window * window)
+{
+    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
+
+    [nswindow performMiniaturize:nil];
+}
+
+void
+Cocoa_RestoreWindow(_THIS, SDL_Window * window)
+{
+    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
+
+    /* FIXME */
+}
+
+void
+Cocoa_SetWindowGrab(_THIS, SDL_Window * window)
+{
+    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) &&
+        (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
+        /* FIXME: Grab mouse */
+    } else {
+        /* FIXME: Release mouse */
+    }
+}
+
+void
+Cocoa_DestroyWindow(_THIS, SDL_Window * window)
+{
+    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
+
+    if (data) {
+        NSAutoreleasePool *pool;
+#ifdef SDL_VIDEO_OPENGL
+        /*
+        if (window->flags & SDL_WINDOW_OPENGL) {
+            Cocoa_GL_CleanupWindow(_this, window);
+        }
+        */
+#endif
+        pool = [[NSAutoreleasePool alloc] init];
+        [data->listener close];
+        [data->listener release];
+        if (data->created) {
+            [data->window close];
+        }
+        SDL_free(data);
+        [pool release];
+    }
+}
+
+SDL_bool
+Cocoa_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
+{
+    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
+
+    if (info->version.major <= SDL_MAJOR_VERSION) {
+        //info->window = nswindow;
+        return SDL_TRUE;
+    } else {
+        SDL_SetError("Application not compiled with SDL %d.%d\n",
+                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
+        return SDL_FALSE;
+    }
+}
+
+/* vi: set ts=4 sw=4 expandtab: */