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SDL: implement cursor icon API (#135)

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DS 2022-11-12 15:52:39 +01:00 committed by GitHub
parent b9e0641203
commit 1579ce2740
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2 changed files with 49 additions and 0 deletions
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19
source/Irrlicht/CIrrDeviceSDL.cpp
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@ -1197,6 +1197,25 @@ void CIrrDeviceSDL::createKeyMap()
KeyMap.sort();
}
void CIrrDeviceSDL::CCursorControl::initCursors()
{
Cursors.reserve(gui::ECI_COUNT);
Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW)); // ECI_NORMAL
Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_CROSSHAIR)); // ECI_CROSS
Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_HAND)); // ECI_HAND
Cursors.emplace_back(nullptr); // ECI_HELP
Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_IBEAM)); // ECI_IBEAM
Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_NO)); // ECI_NO
Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_WAIT)); // ECI_WAIT
Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEALL)); // ECI_SIZEALL
Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENESW)); // ECI_SIZENESW
Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENWSE)); // ECI_SIZENWSE
Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENS)); // ECI_SIZENS
Cursors.emplace_back(SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEWE)); // ECI_SIZEWE
Cursors.emplace_back(nullptr); // ECI_UP
}
} // end namespace irr
#endif // _IRR_COMPILE_WITH_SDL_DEVICE_

30
source/Irrlicht/CIrrDeviceSDL.h
View File

@ -23,6 +23,8 @@
#include <SDL.h>
#include <SDL_syswm.h>
#include <memory>
namespace irr
{
@ -104,6 +106,7 @@ namespace irr
CCursorControl(CIrrDeviceSDL* dev)
: Device(dev), IsVisible(true)
{
initCursors();
}
//! Changes the visible state of the mouse cursor.
@ -186,6 +189,22 @@ namespace irr
}
}
void setActiveIcon(gui::ECURSOR_ICON iconId) override
{
ActiveIcon = iconId;
if (iconId > Cursors.size() || !Cursors[iconId]) {
iconId = gui::ECI_NORMAL;
if (iconId > Cursors.size() || !Cursors[iconId])
return;
}
SDL_SetCursor(Cursors[iconId].get());
}
gui::ECURSOR_ICON getActiveIcon() const override
{
return ActiveIcon;
}
private:
void updateCursorPos()
@ -222,9 +241,20 @@ namespace irr
#endif
}
void initCursors();
CIrrDeviceSDL* Device;
core::position2d<s32> CursorPos;
bool IsVisible;
struct CursorDeleter {
void operator()(SDL_Cursor *ptr) {
if (ptr)
SDL_FreeCursor(ptr);
}
};
std::vector<std::unique_ptr<SDL_Cursor, CursorDeleter>> Cursors;
gui::ECURSOR_ICON ActiveIcon;
};
private: