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Added a click count argument to love.mousepressed/released. Tracks double/triple/etc. clicks.

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--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2016-09-27 22:46:55 -03:00
parent 25376ba310
commit b38e567e74
4 changed files with 91 additions and 39 deletions
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src/modules/event/sdl/Event.cpp
+67 -28
View File
@@ -31,6 +31,7 @@
#include "common/Exception.h"
#include "audio/Audio.h"
#include "common/config.h"
#include "timer/Timer.h"
#include <cmath>
@@ -146,7 +147,7 @@ void Event::clear()
love::event::Event::clear();
}
Message *Event::convert(const SDL_Event &e) const
Message *Event::convert(const SDL_Event &e)
{
Message *msg = nullptr;
@@ -243,31 +244,7 @@ Message *Event::convert(const SDL_Event &e) const
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
{
// SDL uses button index 3 for the right mouse button, but we use
// index 2.
int button = e.button.button;
switch (button)
{
case SDL_BUTTON_RIGHT:
button = 2;
break;
case SDL_BUTTON_MIDDLE:
button = 3;
break;
}
double x = (double) e.button.x;
double y = (double) e.button.y;
windowToPixelCoords(&x, &y);
vargs.emplace_back(x);
vargs.emplace_back(y);
vargs.emplace_back((double) button);
vargs.emplace_back(e.button.which == SDL_TOUCH_MOUSEID);
msg = new Message((e.type == SDL_MOUSEBUTTONDOWN) ?
"mousepressed" : "mousereleased",
vargs);
}
msg = convertMouseButtonEvent(e);
break;
case SDL_MOUSEWHEEL:
vargs.emplace_back((double) e.wheel.x);
@@ -385,7 +362,69 @@ Message *Event::convert(const SDL_Event &e) const
return msg;
}
Message *Event::convertJoystickEvent(const SDL_Event &e) const
Message *Event::convertMouseButtonEvent(const SDL_Event &e)
{
bool down = e.type == SDL_MOUSEBUTTONDOWN;
std::vector<Variant> vargs;
vargs.reserve(5);
// SDL uses button index 3 for the right mouse button, but we use index 2.
int button = e.button.button;
switch (button)
{
case SDL_BUTTON_RIGHT:
button = 2;
break;
case SDL_BUTTON_MIDDLE:
button = 3;
break;
}
double px = (double) e.button.x;
double py = (double) e.button.y;
windowToPixelCoords(&px, &py);
vargs.emplace_back(px);
vargs.emplace_back(py);
vargs.emplace_back((double) button);
vargs.emplace_back(e.button.which == SDL_TOUCH_MOUSEID);
#if SDL_VERSION_ATLEAST(2,0,4)
SDL_version version;
SDL_GetVersion(&version);
if (version.major >= 2 && (version.minor > 0 || version.patch >= 4))
vargs.emplace_back((double) e.button.clicks);
else
#endif
{
ClickState state = clickCounts[e.button.which];
// Matches the behaviour of SDL 2.0.4's click count tracking code when
// it doesn't know any OS-specific information.
if (down)
{
double now = timer::Timer::getTime();
int diffX = abs(e.button.x - state.lastX);
int diffY = abs(e.button.y - state.lastY);
if ((now - state.time) >= 0.5 || diffX > 1 || diffY > 1)
state.count = 0;
state.count++;
state.lastX = e.button.x;
state.lastY = e.button.y;
state.time = now;
clickCounts[e.button.which] = state;
}
vargs.emplace_back((double) state.count);
}
return new Message(down ? "mousepressed" : "mousereleased", vargs);
}
Message *Event::convertJoystickEvent(const SDL_Event &e)
{
auto joymodule = Module::getInstance<joystick::JoystickModule>(Module::M_JOYSTICK);
if (!joymodule)
@@ -510,7 +549,7 @@ Message *Event::convertJoystickEvent(const SDL_Event &e) const
return msg;
}
Message *Event::convertWindowEvent(const SDL_Event &e) const
Message *Event::convertWindowEvent(const SDL_Event &e)
{
Message *msg = nullptr;
src/modules/event/sdl/Event.h
+14 -3
View File
@@ -68,9 +68,20 @@ public:
private:
Message *convert(const SDL_Event &e) const;
Message *convertJoystickEvent(const SDL_Event &e) const;
Message *convertWindowEvent(const SDL_Event &e) const;
struct ClickState
{
int count;
int lastX;
int lastY;
double time;
};
Message *convert(const SDL_Event &e);
Message *convertMouseButtonEvent(const SDL_Event &e);
Message *convertJoystickEvent(const SDL_Event &e);
Message *convertWindowEvent(const SDL_Event &e);
std::map<int, ClickState> clickCounts;
static std::map<SDL_Keycode, love::keyboard::Keyboard::Key> createKeyMap();
static std::map<SDL_Keycode, love::keyboard::Keyboard::Key> keys;