pandemonium_engine/platform/frt/mouse_x11.cpp

111 lines
2.8 KiB
C++

// mouse_x11.cpp
/*
* FRT - A Godot platform targeting single board computers
* Copyright (c) 2017-2019 Emanuele Fornara
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "frt.h"
#include "bits/x11.h"
namespace frt {
static const long handled_mask = ButtonPressMask | ButtonReleaseMask | PointerMotionMask | Button1MotionMask | Button2MotionMask | Button3MotionMask | Button4MotionMask | Button5MotionMask | ButtonMotionMask;
static const int handled_types[] = {
MotionNotify,
ButtonPress,
ButtonRelease,
0,
};
class MouseX11 : public Mouse, public EventHandler {
private:
X11User *x11;
Handler *h;
Vec2 pos;
public:
MouseX11()
: x11(0), h(0) {}
// Module
const char *get_id() const { return "mouse_x11"; }
bool probe() {
if (!x11)
x11 = X11Context::acquire(handled_mask, handled_types, this);
return true;
}
void cleanup() {
if (x11) {
x11->release();
x11 = 0;
}
}
// Mouse
Vec2 get_pos() const { return pos; }
void set_size(Vec2 size) {}
void set_handler(Handler *handler) { h = handler; }
// EventHandler
void handle_event() {
XEvent ev;
x11->get_event(ev);
Button button;
bool unhandled = false;
switch (ev.type) {
case MotionNotify:
pos.x = ev.xmotion.x;
pos.y = ev.xmotion.y;
if (h)
h->handle_mouse_motion(pos);
break;
case ButtonPress:
case ButtonRelease:
switch (ev.xbutton.button) {
case 1:
button = Left;
break;
case 2:
button = Middle;
break;
case 3:
button = Right;
break;
case 4:
button = WheelUp;
break;
case 5:
button = WheelDown;
break;
default:
unhandled = true;
break;
}
if (h && !unhandled)
h->handle_mouse_button(button, ev.type == ButtonPress);
break;
}
}
};
FRT_REGISTER(MouseX11)
} // namespace frt