Mouse.cpp

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/*  Project nGenEx
        Destroyer Studios LLC
        Copyright © 1997-2004. All Rights Reserved.

        SUBSYSTEM:    nGenEx.lib
        FILE:         Mouse.cpp
        AUTHOR:       John DiCamillo


        OVERVIEW
        ========
        Mouse class
*/

#include "MemDebug.h"
#include "Mouse.h"
#include "DataLoader.h"
#include "Window.h"
#include "Screen.h"
#include "Bitmap.h"
#include "Video.h"

// +--------------------------------------------------------------------+

int     Mouse::show        = 1;
int     Mouse::cursor      = Mouse::ARROW;

int     Mouse::x           = 320;
int     Mouse::y           = 240;
int     Mouse::l           = 0;
int     Mouse::m           = 0;
int     Mouse::r           = 0;
int     Mouse::w           = 0;

Bitmap* Mouse::image[8]    = { 0, 0, 0, 0, 0, 0, 0, 0 };
int     Mouse::hotspot[8]  = { 0, 0, 0, 0, 0, 0, 0, 0 };
Window* Mouse::window      = 0;

// +--------------------------------------------------------------------+

void Mouse::Create(Screen* screen)
{
        if (screen) {
                delete window;
                window = new(__FILE__,__LINE__) Window(screen, 0, 0, screen->Width(), screen->Height());
        }
}

// +--------------------------------------------------------------------+

void Mouse::Resize(Screen* screen)
{
        if (screen) {
                delete window;
                window = new(__FILE__,__LINE__) Window(screen, 0, 0, screen->Width(), screen->Height());
        }
}

// +--------------------------------------------------------------------+

void Mouse::Close()
{
        for (int i = 0; i < 8; i++) {
                delete image[i];
                image[i] = 0;
        }

        delete window;
        window = 0;

        show   = 0;
        cursor = ARROW;
}

// +--------------------------------------------------------------------+

void
Mouse::SetCursorPos(int ax, int ay)
{
        POINT p;
        int   dx = 0;
        int   dy = 0;

        ::GetCursorPos(&p);

        dx = p.x - x;
        dy = p.y - y;

        x = ax;
        y = ay;

        ::SetCursorPos(x+dx,y+dy);
}

// +--------------------------------------------------------------------+

int
Mouse::SetCursor(CURSOR c)
{
        int old = cursor;
        cursor = c;
        return old;
}

// +--------------------------------------------------------------------+

int 
Mouse::LoadCursor(CURSOR c, const char* name, HOTSPOT hs)
{
        int result = 0;

        delete image[c];
        image[c] = 0;

        if (name && *name) {
                image[c] = new(__FILE__,__LINE__) Bitmap;
                result = DataLoader::GetLoader()->LoadBitmap(name, *image[c], Bitmap::BMP_TRANSPARENT);

                if (result) {
                        Bitmap* bmp = image[c];

                        if (bmp && bmp->HiPixels())
                        image[c]->CopyAlphaRedChannel(image[c]->Width(), image[c]->Height(), (LPDWORD) image[c]->HiPixels());

                        hotspot[c] = hs;
                }
        }

        return result;
}

// +--------------------------------------------------------------------+

void
Mouse::Show(int s)
{
        show = s;
}

// +--------------------------------------------------------------------+

void
Mouse::Paint()
{
        if (!show || !window) return;

        // draw using bitmap:
        if (image[cursor]) {
                int w2 = image[cursor]->Width()/2;
                int h2 = image[cursor]->Height()/2;

                if (hotspot[cursor] == HOTSPOT_NW)
                window->DrawBitmap(x,    y,    x+w2*2, y+h2*2, image[cursor], Video::BLEND_ALPHA);
                else
                window->DrawBitmap(x-w2, y-h2, x+w2,   y+h2,   image[cursor], Video::BLEND_ALPHA);
        }

        // draw using primitives:
        /***
else {
        switch (cursor) {
        case ARROW:
        case CROSS:
        case USER1:
        case USER2:
        case USER3:
        default:
                window->DrawLine(x-7, y,   x+8, y,   Color::White);
                window->DrawLine(x,   y-7, x,   y+8, Color::White);
                break;

        case WAIT:
                window->DrawLine(x-7, y-7, x+8, y-7, Color::White);
                window->DrawLine(x-7, y-7, x+8, y+8, Color::White);
                window->DrawLine(x-7, y+8, x+8, y-7, Color::White);
                window->DrawLine(x-7, y+8, x+8, y+8, Color::White);
                break;

        case NOT:
                window->DrawEllipse(x-7,y-7,x+8,y+8, Color::White);
                window->DrawLine(   x-7,y-7,x+8,y+8, Color::White);
                break;

        case DRAG:
                window->DrawRect(x-7, y-6, x+8, y-3, Color::White);
                window->DrawRect(x-7, y-1, x+8, y+2, Color::White);
                window->DrawRect(x-7, y+4, x+8, y+7, Color::White);
                break;
        }
}
***/
}