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Code Issues Releases Activity

convert text input rect to screen coordinates

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workarounds SDL bug related to moving window ensuring that the input is always above the native keyboard
kambala-decapitator/vcmi#31
This commit is contained in:
Andrey Filipenkov 2021-04-19 01:58:14 +03:00
parent 1a45b97f5e
commit 217c83a7e7
2 changed files with 31 additions and 5 deletions
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2
client/SDL_uikit_main.mm
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@ -15,6 +15,8 @@
#import <UIKit/UIKit.h>
double ios_screenScale() { return UIScreen.mainScreen.nativeScale; }
static int watchReturnKey(void * userdata, SDL_Event * event);

32
client/gui/SDL_Extensions.cpp
View File

@ -18,6 +18,8 @@
#ifdef VCMI_APPLE
#include <dispatch/dispatch.h>
extern double ios_screenScale(); // TODO ios: move to appropriate file
#endif
const SDL_Color Colors::YELLOW = { 229, 215, 123, 0 };
@ -790,15 +792,37 @@ SDL_Color CSDL_Ext::makeColor(ui8 r, ui8 g, ui8 b, ui8 a)
void CSDL_Ext::startTextInput(SDL_Rect * where)
{
#ifdef VCMI_APPLE
dispatch_async(dispatch_get_main_queue(), ^{
#endif
auto impl = [](SDL_Rect * where)
{
if (SDL_IsTextInputActive() == SDL_FALSE)
{
SDL_StartTextInput();
}
SDL_SetTextInputRect(where);
};
#ifdef VCMI_APPLE
dispatch_async(dispatch_get_main_queue(), ^{
#endif
#ifdef VCMI_IOS
// TODO ios: looks like SDL bug actually, try fixing there
auto renderer = SDL_GetRenderer(mainWindow);
float scaleX, scaleY;
SDL_Rect viewport;
SDL_RenderGetScale(renderer, &scaleX, &scaleY);
SDL_RenderGetViewport(renderer, &viewport);
auto nativeScale = ios_screenScale();
auto rectInScreenCoordinates = *where;
rectInScreenCoordinates.x = (viewport.x + rectInScreenCoordinates.x) * scaleX / nativeScale;
rectInScreenCoordinates.y = (viewport.y + rectInScreenCoordinates.y) * scaleY / nativeScale;
rectInScreenCoordinates.w = rectInScreenCoordinates.w * scaleX / nativeScale;
rectInScreenCoordinates.h = rectInScreenCoordinates.h * scaleY / nativeScale;
impl(&rectInScreenCoordinates);
#else
impl(where);
#endif
#ifdef VCMI_APPLE
});