ObjGameKit  Check-in [f309ba2b33]

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Comment:Pass the display on events.
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SHA3-256: f309ba2b336aff8fa1006a6bb4be85e1c7143141ee426f19c6aa6ba8a839e02b
User & Date: js on 2012-08-20 01:18:05
Other Links: manifest | tags
Context
2012-08-26
10:09
Use flags for -[OGKDisplay init...]. check-in: 40c2d53ff0 user: js tags: trunk
2012-08-20
01:18
Pass the display on events. check-in: f309ba2b33 user: js tags: trunk
2012-08-19
23:08
New OGKDisplay methods. check-in: e1d3ff7a4f user: js tags: trunk
Changes
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Modified src/OGKDisplay.h from [25cd74c4c2] to [1753a97d4c].

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{
	ALLEGRO_DISPLAY *display;
}

@property (assign) of_point_t windowPosition;
@property (assign) of_dimension_t size;

+ OGK_displayForAllegroDisplay: (ALLEGRO_DISPLAY*)display;
- initWithSize: (of_dimension_t)size
      position: (of_point_t)position
    fullscreen: (BOOL)fullscreen
     resizable: (BOOL)resizable;
- (void)setWindowTitle: (OFString*)title;
- (void)update;
- (ALLEGRO_DISPLAY*)OGK_allegroDisplay;
︙

Modified src/OGKDisplay.m from [3e2683ad84] to [fbfc273e25].

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 *   2.) Altered source versions must be plainly marked as such, and must not
 *       be misrepresented as being the original software.
 *   3.) This notice may not be removed or altered from any source distribution.
 */

#import "OGKDisplay.h"

static OFMutex *mutex = nil;
static OFMutableArray *displays = nil;
static OFDataArray *allegroDisplays = nil;

@implementation OGKDisplay
+ (void)initialize
{
	if (self != [OGKDisplay class])
		return;

	if (!al_install_system(ALLEGRO_VERSION_INT, NULL))
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];

	mutex = [[OFMutex alloc] init];
	displays = [[OFMutableArray alloc] init];
	allegroDisplays = [[OFDataArray alloc]
	    initWithItemSize: sizeof(ALLEGRO_DISPLAY*)];
}

+ OGK_displayForAllegroDisplay: (ALLEGRO_DISPLAY*)display
{
	[mutex lock];
	@try {
		ALLEGRO_DISPLAY **cArray = [allegroDisplays cArray];
		size_t i, count = [allegroDisplays count];

		for (i = 0; i < count; i++)
			if (cArray[i] == display)
				return [displays objectAtIndex: i];
	} @finally {
		[mutex unlock];
	}

	return nil;
}

- initWithSize: (of_dimension_t)size
      position: (of_point_t)position
    fullscreen: (BOOL)fullscreen
     resizable: (BOOL)resizable
{
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	al_set_new_display_flags(flags);
	display = al_create_display(size.width, size.height);

	if (display == NULL)
		@throw [OFInitializationFailedException
		    exceptionWithClass: [self class]];

	[mutex lock];
	@try {
		[allegroDisplays addItem: &display];
		[displays addObject: self];
	} @finally {
		[mutex unlock];
	}

	return self;
}

- (void)dealloc
{
	[mutex lock];
	@try {
		size_t index = [displays indexOfObject: self];

		[allegroDisplays removeItemAtIndex: index];
		[displays removeObjectAtIndex: index];
	} @finally {
		[mutex unlock];
	}

	if (display != NULL)
		al_destroy_display(display);
}

- (void)setWindowTitle: (OFString*)title
{
	al_set_window_title(display,
︙

Modified src/OGKEventQueue.h from [e90f6c2f9f] to [b38728a4f6].

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#import <ObjFW/ObjFW.h>

#import "OGKEvent.h"
#import "OGKDisplay.h"

@protocol OGKEventQueueDelegate <OFObject>
@optional
- (void)display: (OGKDisplay*)display
- (void)displayWasClosed: (OGKCloseEvent*)event;
      wasClosed: (OGKCloseEvent*)event;
// FIXME: Those need to get the OGKDisplay passed!
- (void)keyWasPressed: (OGKKeyPressEvent*)event;
- (void)keyWasReleased: (OGKKeyReleaseEvent*)event;
- (void)mouseWasMoved: (OGKMouseMovedEvent*)event;
- (void)mouseButtonWasPressed: (OGKMouseButtonPressedEvent*)event;
- (void)mouseButtonWasReleased: (OGKMouseButtonReleasedEvent*)event;
- (void)keyWasPressed: (OGKKeyPressEvent*)event
	      display: (OGKDisplay*)display;
- (void)keyWasReleased: (OGKKeyReleaseEvent*)event
	       display: (OGKDisplay*)display;
- (void)mouseWasMoved: (OGKMouseMovedEvent*)event
	      display: (OGKDisplay*)display;
- (void)mouseButtonWasPressed: (OGKMouseButtonPressedEvent*)event
		      display: (OGKDisplay*)display;
- (void)mouseButtonWasReleased: (OGKMouseButtonReleasedEvent*)event
		      display: (OGKDisplay*)display;
@end

@interface OGKEventQueue: OFObject
{
	ALLEGRO_EVENT_QUEUE *eventQueue;
	/* FIXME: Make this weak once there is support in ObjFW for it */
	__unsafe_unretained id <OGKEventQueueDelegate> delegate;
︙

Modified src/OGKEventQueue.m from [8d48ecf372] to [7219e86adc].

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	while (al_get_next_event(eventQueue, allegroEvent)) {
		switch (allegroEvent->type) {
		case ALLEGRO_EVENT_DISPLAY_CLOSE:
			object_setClass(event, [OGKCloseEvent class]);

			if ([delegate respondsToSelector:
			    @selector(displayWasClosed:)])
				[delegate displayWasClosed:
				    (OGKCloseEvent*)event];
			    @selector(display:wasClosed:)]) {
				OGKDisplay *display = [OGKDisplay
				    OGK_displayForAllegroDisplay:
				    allegroEvent->display.source];
				OGKCloseEvent *closeEvent =
				    (OGKCloseEvent*)event;

				[delegate display: display
					wasClosed: closeEvent];
			}

			break;
		case ALLEGRO_EVENT_KEY_DOWN:
			object_setClass(event, [OGKKeyPressEvent class]);

			if ([delegate respondsToSelector:
			    @selector(keyWasPressed:)])
				[delegate keyWasPressed:
				    (OGKKeyPressEvent*)event];
			    @selector(keyWasPressed:display:)]) {
				OGKDisplay *display = [OGKDisplay
				    OGK_displayForAllegroDisplay:
				    allegroEvent->keyboard.display];
				OGKKeyPressEvent *keyPressEvent =
				    (OGKKeyPressEvent*)event;

				[delegate keyWasPressed: keyPressEvent
						display: display];
			}

			break;
		case ALLEGRO_EVENT_KEY_UP:
			object_setClass(event, [OGKKeyReleaseEvent class]);

			if ([delegate respondsToSelector:
			    @selector(keyWasReleased:)])
				[delegate keyWasReleased:
				    (OGKKeyReleaseEvent*)event];
			    @selector(keyWasReleased:display:)]) {
				OGKDisplay *display = [OGKDisplay
				    OGK_displayForAllegroDisplay:
				    allegroEvent->keyboard.display];
				OGKKeyReleaseEvent *keyReleaseEvent =
				    (OGKKeyReleaseEvent*)event;

				[delegate keyWasReleased: keyReleaseEvent
						 display: display];
			}

			break;
		case ALLEGRO_EVENT_MOUSE_AXES:
			object_setClass(event, [OGKMouseMovedEvent class]);

			if ([delegate respondsToSelector:
			    @selector(mouseWasMoved:)])
				[delegate mouseWasMoved:
				    (OGKMouseMovedEvent*)event];
			    @selector(mouseWasMoved:display:)]) {
				OGKDisplay *display = [OGKDisplay
				    OGK_displayForAllegroDisplay:
				    allegroEvent->mouse.display];
				OGKMouseMovedEvent *mouseMovedEvent =
				    (OGKMouseMovedEvent*)event;

				[delegate mouseWasMoved: mouseMovedEvent
						display: display];
			}

			break;
		case ALLEGRO_EVENT_MOUSE_BUTTON_DOWN:
			object_setClass(event,
			    [OGKMouseButtonPressedEvent class]);

			if ([delegate respondsToSelector:
			    @selector(mouseButtonWasPressed:)])
				[delegate mouseButtonWasPressed:
				    (OGKMouseButtonPressedEvent*)event];
			    @selector(mouseButtonWasPressed:display:)]) {
				OGKDisplay *display = [OGKDisplay
				    OGK_displayForAllegroDisplay:
				    allegroEvent->mouse.display];
				OGKMouseButtonPressedEvent *pressedEvent =
				    (OGKMouseButtonPressedEvent*)event;

				[delegate mouseButtonWasPressed: pressedEvent
							display: display];
			}

			break;
		case ALLEGRO_EVENT_MOUSE_BUTTON_UP:
			object_setClass(event,
			    [OGKMouseButtonReleasedEvent class]);

			if ([delegate respondsToSelector:
			    @selector(mouseButtonWasReleased:)])
				[delegate mouseButtonWasReleased:
				    (OGKMouseButtonReleasedEvent*)event];
			    @selector(mouseButtonWasReleased:display:)]) {
				OGKDisplay *display = [OGKDisplay
				    OGK_displayForAllegroDisplay:
				    allegroEvent->mouse.display];
				OGKMouseButtonReleasedEvent *releasedEvent =
				    (OGKMouseButtonReleasedEvent*)event;

				[delegate mouseButtonWasReleased: releasedEvent
							 display: display];
			}

			break;
		}
	}
}

- (void)registerDisplay: (OGKDisplay*)display
︙

Modified test/TestMain.h from [0399db4bce] to [150ee79de4].

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#import "OGKBitmap.h"

@interface TestMain: OFObject <OFApplicationDelegate, OGKEventQueueDelegate>
{
	OGKDisplay *display;
	OGKEventQueue *eventQueue;
	OGKBitmap *bitmap;
	of_point_t position;
	BOOL running;
}
@end

Modified test/TestMain.m from [bc217b5c18] to [003d86a89e].

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#import "OGKEventQueue.h"
#import "OGKBitmap.h"
#import "TestMain.h"

OF_APPLICATION_DELEGATE(TestMain)

@implementation TestMain
- (void)display: (OGKDisplay*)display
- (void)displayWasClosed: (OGKCloseEvent*)event
      wasClosed: (OGKCloseEvent*)event
{
	running = NO;
}

- (void)keyWasPressed: (OGKKeyPressEvent*)event
	      display: (OGKDisplay*)display
{
	of_log(@"Pressed: %d", event.keycode);
}

- (void)keyWasReleased: (OGKKeyReleaseEvent*)event
	       display: (OGKDisplay*)display
{
	of_log(@"Released: %d", event.keycode);
}

- (void)mouseWasMoved: (OGKMouseMovedEvent*)event
	      display: (OGKDisplay*)display
{
	of_log(@"Mouse moved: X=%.f(%.f) Y=%.f(%.f) WX=%.f(%.f) WY=%.f(%.f)",
	    event.cursor.x, event.deltaCursor.x,
	    event.cursor.y, event.deltaCursor.y,
	    event.wheel.x, event.deltaWheel.x,
	    event.wheel.y, event.deltaWheel.y);

	position = event.cursor;
}

- (void)mouseButtonWasPressed: (OGKMouseButtonPressedEvent*)event
		      display: (OGKDisplay*)display
{
	of_log(@"Mouse button was pressed: %d (X=%.f Y=%.f WX=%.f WY=%.f)",
	    event.button, event.cursor.x, event.cursor.y,
	    event.wheel.x, event.wheel.y);
}

- (void)mouseButtonWasReleased: (OGKMouseButtonPressedEvent*)event
		       display: (OGKDisplay*)display
{
	of_log(@"Mouse button was released: %d (X=%.f Y=%.f WX=%.f WY=%.f)",
	    event.button, event.cursor.x, event.cursor.y,
	    event.wheel.x, event.wheel.y);
}

- (void)handleEvents
{
	[eventQueue handleNextEvent];
}

- (void)draw
{
	[OGKBitmap clearToColor: OGK_COLOR_BLACK];
	[bitmap drawAtPosition: of_point(160, 120)];
	[bitmap drawAtPosition: position];
	[display update];
}

- (void)applicationDidFinishLaunching
{
	display = [[OGKDisplay alloc] initWithSize: of_dimension(640, 480)
					  position: of_point(200, 200)
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