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Code Issues Releases Activity

Handle 2 fingers gesture as rclick via SDL

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This commit is contained in:
Andrii Danylchenko
2023-01-07 10:15:32 +02:00
parent 9f0eb055f9
commit 7ccfcf51e9
1 changed files with 61 additions and 11 deletions
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72
client/gui/CGuiHandler.cpp
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@ -206,6 +206,24 @@ void CGuiHandler::handleEvents()
} }
} }
bool multifinger = false;
int lastFingerCount;
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)
@ -338,22 +356,54 @@ 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)
{ {
switch(current->button.button) if(multifinger && lastFingerCount >= 1)
{ {
case SDL_BUTTON_LEFT: multifinger = false;
handleMouseButtonClick(lclickable, EIntObjMouseBtnType::LEFT, false); }
break; else
case SDL_BUTTON_RIGHT: {
handleMouseButtonClick(rclickable, EIntObjMouseBtnType::RIGHT, false); switch(current->button.button)
break; {
case SDL_BUTTON_MIDDLE: case SDL_BUTTON_LEFT:
handleMouseButtonClick(mclickable, EIntObjMouseBtnType::MIDDLE, false); handleMouseButtonClick(lclickable, EIntObjMouseBtnType::LEFT, false);
break; break;
case SDL_BUTTON_RIGHT:
handleMouseButtonClick(rclickable, EIntObjMouseBtnType::RIGHT, false);
break;
case SDL_BUTTON_MIDDLE:
handleMouseButtonClick(mclickable, EIntObjMouseBtnType::MIDDLE, false);
break;
}
} }
} }
else if(current->type == SDL_FINGERDOWN)
{
lastFingerCount = SDL_GetNumTouchFingers(current->tfinger.touchId);
multifinger = lastFingerCount > 1;
if(lastFingerCount == 2)
{
convertTouch(current);
handleMouseMotion();
handleMouseButtonClick(rclickable, EIntObjMouseBtnType::RIGHT, true);
}
}
else if(current->type == SDL_FINGERUP)
{
lastFingerCount = SDL_GetNumTouchFingers(current->tfinger.touchId);
if(multifinger)
{
multifinger = false;
convertTouch(current);
handleMouseMotion();
handleMouseButtonClick(rclickable, EIntObjMouseBtnType::RIGHT, false);
}
}
current = nullptr; current = nullptr;
} //event end } //event end