uimouse.cpp

Go to the documentation of this file.

/*
 * Copyright (C) Volition, Inc. 1999.  All rights reserved.
 *
 * All source code herein is the property of Volition, Inc. You may not sell 
 * or otherwise commercially exploit the source or things you created based on the 
 * source.
 *
*/



#include "io/timer.h"
#include "ui/ui.h"
#include "ui/uidefs.h"


UI_MOUSE ui_mouse;

int ui_mouse_inited = 0;

void ui_mouse_process()
{
        int buttons;

        if (!ui_mouse_inited) {
                ui_mouse_inited = 1;
                ui_mouse.x = 0;
                ui_mouse.y = 0;
                ui_mouse.dx = 0;
                ui_mouse.dy = 0;
                ui_mouse.b1_status = 0;
                ui_mouse.b1_last_status = 0;
                ui_mouse.b1_time_lastpressed=0;
                ui_mouse.b2_status = 0;
                ui_mouse.b2_last_status = 0;
                ui_mouse.b2_time_lastpressed = 0;
                ui_mouse.timestamp = timer_get_milliseconds();
        }

        buttons = mouse_get_pos_unscaled( &ui_mouse.x, &ui_mouse.y );

        // check if mouse pressed
        if (buttons & MOUSE_LEFT_BUTTON)
                ui_mouse.b1_status = BUTTON_PRESSED;
        else
                ui_mouse.b1_status = BUTTON_RELEASED;

        if (buttons & MOUSE_RIGHT_BUTTON)
                ui_mouse.b2_status = BUTTON_PRESSED;
        else
                ui_mouse.b2_status = BUTTON_RELEASED;

        // now check if we missed something between checks, just in case
        if (mouse_down_count(MOUSE_LEFT_BUTTON))
                ui_mouse.b1_status = BUTTON_PRESSED;

        if (mouse_up_count(MOUSE_LEFT_BUTTON))
                ui_mouse.b1_status = BUTTON_RELEASED;

        if (mouse_down_count(MOUSE_RIGHT_BUTTON))
                ui_mouse.b2_status = BUTTON_PRESSED;

        if (mouse_up_count(MOUSE_RIGHT_BUTTON))
                ui_mouse.b2_status = BUTTON_RELEASED;

        // check for double clicks
        if ((ui_mouse.b1_status & BUTTON_PRESSED) && (ui_mouse.b1_last_status & BUTTON_RELEASED) ) {
                if ( timer_get_milliseconds() <= ui_mouse.b1_time_lastpressed + 250 )
                        ui_mouse.b1_status |= BUTTON_DOUBLE_CLICKED;

                ui_mouse.b1_time_lastpressed = timer_get_milliseconds();
                ui_mouse.b1_status |= BUTTON_JUST_PRESSED;

        } else if ((ui_mouse.b1_status & BUTTON_RELEASED) && (ui_mouse.b1_last_status & BUTTON_PRESSED) )
                ui_mouse.b1_status |= BUTTON_JUST_RELEASED;

        if ((ui_mouse.b2_status & BUTTON_PRESSED) && (ui_mouse.b2_last_status & BUTTON_RELEASED) ) {
                if ( timer_get_milliseconds() <= ui_mouse.b2_time_lastpressed + 250 )
                        ui_mouse.b2_status |= BUTTON_DOUBLE_CLICKED;

                ui_mouse.b2_time_lastpressed = timer_get_milliseconds();
                ui_mouse.b2_status |= BUTTON_JUST_PRESSED;

        } else if ((ui_mouse.b2_status & BUTTON_RELEASED) && (ui_mouse.b2_last_status & BUTTON_PRESSED) )
                ui_mouse.b2_status |= BUTTON_JUST_RELEASED;

        ui_mouse.b1_last_status = ui_mouse.b1_status;
        ui_mouse.b2_last_status = ui_mouse.b2_status;
}