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Arduino/hardware/arduino/sam/libraries/USBHost/MouseController.cpp
2012-09-21 17:24:48 +02:00

97 lines
2.6 KiB
C++

/*
Copyright (c) 2012 Arduino. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <MouseController.h>
extern "C" {
void __mouseControllerEmptyCallback() { }
}
void mouseClicked() __attribute__ ((weak, alias("__mouseControllerEmptyCallback")));
void mouseDragged() __attribute__ ((weak, alias("__mouseControllerEmptyCallback")));
void mouseMoved() __attribute__ ((weak, alias("__mouseControllerEmptyCallback")));
void mousePressed() __attribute__ ((weak, alias("__mouseControllerEmptyCallback")));
void mouseReleased() __attribute__ ((weak, alias("__mouseControllerEmptyCallback")));
int mouseX = 0;
int mouseY = 0;
MouseButton mouseButton;
bool mouseButtonPressed = false;
void MouseController::OnMouseMove(MOUSEINFO *mi) {
mouseX += mi->dX;
mouseY += mi->dY;
if (mouseX < 0)
mouseX = 0;
if (mouseX > maxX)
mouseX = maxX;
if (mouseY < 0)
mouseY = 0;
if (mouseY > maxY)
mouseY = maxY;
if (mouseButtonPressed)
mouseDragged();
else
mouseMoved();
}
void MouseController::OnLeftButtonUp(MOUSEINFO *mi) {
buttons--;
mouseButtonPressed = (buttons > 0);
mouseButton = LEFT_BUTTON;
mouseReleased();
mouseClicked();
}
void MouseController::OnLeftButtonDown(MOUSEINFO *mi) {
buttons++;
mouseButtonPressed = (buttons > 0);
mouseButton = LEFT_BUTTON;
mousePressed();
}
void MouseController::OnMiddleButtonUp(MOUSEINFO *mi) {
buttons--;
mouseButtonPressed = (buttons > 0);
mouseButton = MIDDLE_BUTTON;
mouseReleased();
mouseClicked();
}
void MouseController::OnMiddleButtonDown(MOUSEINFO *mi) {
buttons++;
mouseButtonPressed = (buttons > 0);
mouseButton = MIDDLE_BUTTON;
mousePressed();
}
void MouseController::OnRightButtonUp(MOUSEINFO *mi) {
buttons--;
mouseButtonPressed = (buttons > 0);
mouseButton = RIGHT_BUTTON;
mouseReleased();
mouseClicked();
}
void MouseController::OnRightButtonDown(MOUSEINFO *mi) {
buttons++;
mouseButtonPressed = (buttons > 0);
mouseButton = RIGHT_BUTTON;
mousePressed();
}