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Merge pull request #1434 from vcmi/sdl-2-finger-touch

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Handle 2 fingers gesture as rclick via SDL
This commit is contained in:
Andrii Danylchenko
2023-01-17 19:01:20 +02:00
committed by GitHub
parent 2de48624bc c24b89fe06
commit 174624d791
3 changed files with 60 additions and 13 deletions
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50
client/gui/CGuiHandler.cpp
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@@ -206,6 +206,21 @@ void CGuiHandler::handleEvents()
} }
} }
void convertTouch(SDL_Event * current)
{
int rLogicalWidth, rLogicalHeight;
SDL_RenderGetLogicalSize(mainRenderer, &rLogicalWidth, &rLogicalHeight);
int adjustedMouseY = (int)(current->tfinger.y * rLogicalHeight);
int adjustedMouseX = (int)(current->tfinger.x * rLogicalWidth);
current->button.x = adjustedMouseX;
current->motion.x = adjustedMouseX;
current->button.y = adjustedMouseY;
current->motion.y = adjustedMouseY;
}
void CGuiHandler::handleCurrentEvent() void CGuiHandler::handleCurrentEvent()
{ {
if(current->type == SDL_KEYDOWN || current->type == SDL_KEYUP) if(current->type == SDL_KEYDOWN || current->type == SDL_KEYUP)
@@ -338,8 +353,9 @@ void CGuiHandler::handleCurrentEvent()
it->textEdited(current->edit); it->textEdited(current->edit);
} }
} }
//todo: muiltitouch
else if(current->type == SDL_MOUSEBUTTONUP) else if(current->type == SDL_MOUSEBUTTONUP)
{
if(!multifinger)
{ {
switch(current->button.button) switch(current->button.button)
{ {
@@ -354,6 +370,35 @@ void CGuiHandler::handleCurrentEvent()
break; break;
} }
} }
}
#ifndef VCMI_IOS
else if(current->type == SDL_FINGERDOWN)
{
auto fingerCount = SDL_GetNumTouchFingers(current->tfinger.touchId);
multifinger = fingerCount > 1;
if(fingerCount == 2)
{
convertTouch(current);
handleMouseMotion();
handleMouseButtonClick(rclickable, EIntObjMouseBtnType::RIGHT, true);
}
}
else if(current->type == SDL_FINGERUP)
{
auto fingerCount = SDL_GetNumTouchFingers(current->tfinger.touchId);
if(multifinger)
{
convertTouch(current);
handleMouseMotion();
handleMouseButtonClick(rclickable, EIntObjMouseBtnType::RIGHT, false);
multifinger = fingerCount != 0;
}
}
#endif //VCMI_IOS
current = nullptr; current = nullptr;
} //event end } //event end
@@ -481,7 +526,8 @@ void CGuiHandler::renderFrame()
CGuiHandler::CGuiHandler() CGuiHandler::CGuiHandler()
: lastClick(-500, -500),lastClickTime(0), defActionsDef(0), captureChildren(false) : lastClick(-500, -500),lastClickTime(0), defActionsDef(0), captureChildren(false),
multifinger(false)
{ {
continueEventHandling = true; continueEventHandling = true;
curInt = nullptr; curInt = nullptr;

1
client/gui/CGuiHandler.h
View File

@@ -101,6 +101,7 @@ public:
Point lastClick; Point lastClick;
unsigned lastClickTime; unsigned lastClickTime;
bool multifinger;
ui8 defActionsDef; //default auto actions ui8 defActionsDef; //default auto actions
bool captureChildren; //all newly created objects will get their parents from stack and will be added to parents children list bool captureChildren; //all newly created objects will get their parents from stack and will be added to parents children list

2
client/windows/CAdvmapInterface.cpp
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@@ -180,7 +180,7 @@ void CTerrainRect::mouseMoved(const SDL_MouseMotionEvent & sEvent)
void CTerrainRect::handleSwipeMove(const SDL_MouseMotionEvent & sEvent) void CTerrainRect::handleSwipeMove(const SDL_MouseMotionEvent & sEvent)
{ {
#if defined(VCMI_ANDROID) || defined(VCMI_IOS) #if defined(VCMI_ANDROID) || defined(VCMI_IOS)
if(sEvent.state == 0) // any "button" is enough on mobile if(sEvent.state == 0 || GH.multifinger) // any "button" is enough on mobile
#else #else
if((sEvent.state & SDL_BUTTON_MMASK) == 0) // swipe only works with middle mouse on other platforms if((sEvent.state & SDL_BUTTON_MMASK) == 0) // swipe only works with middle mouse on other platforms
#endif #endif