This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_uikitviewcontroller.m
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Simple DirectMedia Layer
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Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
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.
*/
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#include "SDL_config.h"
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#if SDL_VIDEO_DRIVER_UIKIT
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#include "SDL_video.h"
#include "SDL_assert.h"
#include "SDL_hints.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_events_c.h"
#include "SDL_uikitwindow.h"
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#include "SDL_uikitviewcontroller.h"
#include "SDL_uikitvideo.h"
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@implementation SDL_uikitviewcontroller
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@synthesize window;
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- (id)initWithSDLWindow:(SDL_Window *)_window
{
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self = [self init];
if (self == nil) {
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return nil;
}
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self.window = _window;
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// Register for notification when the status bar size changes
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarFrameChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
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return self;
}
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- (void)loadView
{
// do nothing.
}
- (void)statusBarFrameChanged:(NSNotification*)notification
{
[self onWindowSizeChanged];
}
- (void)onWindowSizeChanged
{
if (self->window->flags & SDL_WINDOW_RESIZABLE) {
SDL_WindowData *data = self->window->driverdata;
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(self->window);
SDL_DisplayModeData *displaymodedata = (SDL_DisplayModeData *) display->current_mode.driverdata;
const CGSize size = data->view.bounds.size;
int w, h;
w = (int)(size.width * displaymodedata->scale);
h = (int)(size.height * displaymodedata->scale);
SDL_SendWindowEvent(self->window, SDL_WINDOWEVENT_RESIZED, w, h);
}
}
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- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)orient
{
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// Don't allow upside-down orientation on the phone, so answering calls is in the natural orientation
if (orient == UIInterfaceOrientationPortraitUpsideDown) {
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone)
return NO;
}
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const char *orientationsCString;
if ((orientationsCString = SDL_GetHint(SDL_HINT_ORIENTATIONS)) != NULL) {
BOOL rotate = NO;
NSString *orientationsNSString = [NSString stringWithCString:orientationsCString
encoding:NSUTF8StringEncoding];
NSArray *orientations = [orientationsNSString componentsSeparatedByCharactersInSet:
[NSCharacterSet characterSetWithCharactersInString:@" "]];
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switch (orient) {
case UIInterfaceOrientationLandscapeLeft:
rotate = [orientations containsObject:@"LandscapeLeft"];
break;
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case UIInterfaceOrientationLandscapeRight:
rotate = [orientations containsObject:@"LandscapeRight"];
break;
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case UIInterfaceOrientationPortrait:
rotate = [orientations containsObject:@"Portrait"];
break;
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case UIInterfaceOrientationPortraitUpsideDown:
rotate = [orientations containsObject:@"PortraitUpsideDown"];
break;
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default: break;
}
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return rotate;
}
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if (self->window->flags & SDL_WINDOW_RESIZABLE) {
return YES; // any orientation is okay.
}
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// If not resizable, allow device to orient to other matching sizes
// (that is, let the user turn the device upside down...same screen
// dimensions, but it lets the user place the device where it's most
// comfortable in relation to its physical buttons, headphone jack, etc).
switch (orient) {
case UIInterfaceOrientationLandscapeLeft:
case UIInterfaceOrientationLandscapeRight:
return (self->window->w >= self->window->h);
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case UIInterfaceOrientationPortrait:
case UIInterfaceOrientationPortraitUpsideDown:
return (self->window->h >= self->window->w);
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default: break;
}
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return NO; // Nothing else is acceptable.
}
// Send a resized event when the orientation changes.
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- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation
{
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[self onWindowSizeChanged];
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#endif /* SDL_VIDEO_DRIVER_UIKIT */
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/* vi: set ts=4 sw=4 expandtab: */