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Code Issues Releases Activity

fix coordinates of long press (right click)

Browse Source 
kambala-decapitator/vcmi#1 kambala-decapitator/vcmi#26
This commit is contained in:
Andrey Filipenkov
2021-03-21 13:15:43 +03:00
parent fd92150566
commit 783c0eab26
1 changed files with 33 additions and 7 deletions
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40
client/SDL_uikit_main.m
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@@ -3,12 +3,15 @@
*/ */
/* Include the SDL main definition header */ /* Include the SDL main definition header */
#include "SDL_main.h" #include <SDL_main.h>
#include "SDL_events.h" #include <SDL_events.h>
#include <SDL_render.h>
@import UIKit; @import UIKit;
extern SDL_Window * mainWindow;
@interface SDLViewObserver : NSObject @interface SDLViewObserver : NSObject
@end @end
@@ -18,6 +21,7 @@
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context { - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context {
__auto_type longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPress:)]; __auto_type longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPress:)];
longPress.minimumPressDuration = 0.1; longPress.minimumPressDuration = 0.1;
longPress.delaysTouchesBegan = YES; // prevent normal clicks by SDL
[(UIView *)[object valueForKey:keyPath] addGestureRecognizer:longPress]; [(UIView *)[object valueForKey:keyPath] addGestureRecognizer:longPress];
} }
@@ -35,16 +39,38 @@
return; return;
} }
__auto_type renderer = SDL_GetRenderer(mainWindow);
float scaleX, scaleY;
SDL_Rect viewport;
SDL_RenderGetScale(renderer, &scaleX, &scaleY);
SDL_RenderGetViewport(renderer, &viewport);
__auto_type touchedPoint = [gesture locationInView:gesture.view]; __auto_type touchedPoint = [gesture locationInView:gesture.view];
SDL_Event event; __auto_type screenScale = UIScreen.mainScreen.nativeScale;
event.button = (SDL_MouseButtonEvent){ Sint32 x = (int)touchedPoint.x * screenScale / scaleX - viewport.x;
Sint32 y = (int)touchedPoint.y * screenScale / scaleY - viewport.y;
SDL_Event rmbEvent;
rmbEvent.button = (SDL_MouseButtonEvent){
.type = mouseButtonType, .type = mouseButtonType,
.button = SDL_BUTTON_RIGHT, .button = SDL_BUTTON_RIGHT,
.clicks = 1, .clicks = 1,
.x = touchedPoint.x, .x = x,
.y = touchedPoint.y, .y = y,
}; };
SDL_PushEvent(&event); SDL_PushEvent(&rmbEvent);
// small hack to prevent cursor jumping
if (mouseButtonType == SDL_MOUSEBUTTONUP)
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.025 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
SDL_Event motionEvent;
motionEvent.motion = (SDL_MouseMotionEvent){
.type = SDL_MOUSEMOTION,
.x = x,
.y = y,
};
SDL_PushEvent(&motionEvent);
});
} }
@end @end