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Platform/Unix/X11Mouse: adding a basic implementation to get things going.

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This commit is contained in:
Henrik Hautakoski 2020-10-16 19:35:32 +02:00
parent 6426679845
commit dd8a4a0583
2 changed files with 87 additions and 1 deletions
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76
source/Platform/Unix/X11Mouse.cpp
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@ -1,15 +1,33 @@
#include <Spectre/System/Event.h>
#include <Spectre/System/Log.h>
#include "X11Mouse.h"
#include "X11SharedDisplay.h"
namespace sp {
X11Mouse::X11Mouse() :
m_disp(NULL),
m_btn_state(0)
{
}
X11Mouse::~X11Mouse()
{
if (m_disp) {
XReleaseDisplay();
}
}
void X11Mouse::init()
{
m_disp = XGetDisplay();
}
Vector2f X11Mouse::getPosition() const
{
// TODO: Translate to window.
return m_position;
}
@ -20,12 +38,68 @@ Vector2f X11Mouse::getAbsPosition() const
bool X11Mouse::isButtonDown(Mouse::Button button) const
{
// TODO: Button1 and 2 is defined in x11 and
// therefore clashes with Mouse::Button::Button1 and 2.
switch(button) {
case Mouse::Button::Left :
return m_btn_state & Button1Mask;
case Mouse::Button::Right :
return m_btn_state & Button3Mask;
case Mouse::Button::Middle :
return m_btn_state & Button2Mask;
default :
return false;
}
return false;
}
void X11Mouse::update(InputModule *input)
{
::Window root, child;
int rx, ry, x = 0, y = 0;
// Query position and button state.
XQueryPointer(m_disp, ::XDefaultRootWindow(m_disp),
&root, &child,
&rx, &ry,
&x, &y, &m_btn_state);
// Update position
m_position.x = x;
m_position.y = y;
}
bool X11Mouse::handleMessage(XEvent* xevent, Event& event)
{
if (xevent->type == MotionNotify) {
event.type = Event::MouseMove;
event.mouseMove.x = xevent->xmotion.x;
event.mouseMove.y = xevent->xmotion.y;
return true;
}
if (xevent->type == ButtonPress || xevent->type == ButtonRelease) {
Mouse::Button trans = Mouse::Button::Unknown;
switch(xevent->xbutton.button) {
case Button1 : trans = Mouse::Button::Left; break;
case Button2 : trans = Mouse::Button::Middle; break;
case Button3 : trans = Mouse::Button::Right; break;
// TODO: name clash, need to rename Mouse::Button enums.
// case Button4 : trans = Mouse::Button::Button1; break; // clashes with X11's "Button1" define.
// case Button5 : trans = Mouse::Button::Button2; break; // clashes with X11's "Button2" define.
}
if (trans != Mouse::Button::Unknown) {
event.type = Event::MouseButton;
event.mouseButton.pressed = xevent->type == ButtonPress;
event.mouseButton.button = trans;
return true;
}
}
return false;
}
} // namespace sp