skindemo.c

MiniGUI到ucOS-II的位图操作。通过该例子

/*
** $Id: skindemo.c,v 1.9 2003/11/23 05:03:06 weiym Exp $
**
** skindemo.c: Sample program for MiniGUI Programming Guide
**      Usage of SKIN.
**
** Copyright (C) 2003 Feynman Software.
**
** License: GPL
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <minigui/common.h>
#include <minigui/minigui.h>
#include <minigui/gdi.h>
#include <minigui/window.h>
#include <minigui/control.h>
#include <minigui/mgext.h>
#include <minigui/skin.h>

#ifdef _EXT_SKIN

#define SIID_TITLE		1
#define SIID_PLAY	    2
#define SIID_PAUSE		3
#define SIID_STOP		4
#define SIID_PROGRESS	5
#define SIID_SYSMENU	6
#define SIID_CLOSE		7
#define SIID_VOLUME		8
#define SIID_TIMER		9

#define DEF_WIDTH   	284
#define DEF_HEIGHT  	135
#define ID_TIME			100	

/* 定义皮肤元素特定属性 */
static si_nrmslider_t progress 	= { {0, 180, 0 }, 5 };
static si_nrmslider_t volume 	= { {1, 100, 50}, 9 };
static si_bmplabel_t timer 		= { "00:00", "0123456789:-" };

/* 定义皮肤元素数组 */
static skin_item_t skin_main_items [] =
{
{SIID_PLAY, SI_TYPE_CHKBUTTON  	 | SI_TEST_SHAPE_RECT | SI_STATUS_VISIBLE,
	205, 106, {}, 1, "播放"},
{SIID_PAUSE, SI_TYPE_CHKBUTTON   | SI_TEST_SHAPE_RECT | SI_STATUS_VISIBLE,
	230, 106, {}, 2, "暂停"},	
{SIID_STOP,  SI_TYPE_CHKBUTTON   | SI_TEST_SHAPE_RECT | SI_STATUS_VISIBLE,
	254, 106, {}, 3, "停止"},
{SIID_PROGRESS, SI_TYPE_NRMSLIDER| SI_TEST_SHAPE_RECT | SI_STATUS_VISIBLE 
	| SI_NRMSLIDER_HORZ, 8, 91, {}, 4, "播放进度" , 0, &progress},
{SIID_SYSMENU, SI_TYPE_CMDBUTTON | SI_TEST_SHAPE_RECT | SI_STATUS_VISIBLE,
	9, 2, {}, 6},
{SIID_CLOSE, SI_TYPE_CMDBUTTON 	 | SI_TEST_SHAPE_RECT | SI_STATUS_VISIBLE,
	263, 2, {}, 7, "关闭"},
{SIID_VOLUME, SI_TYPE_NRMSLIDER  | SI_TEST_SHAPE_RECT | SI_STATUS_VISIBLE 
	| SI_NRMSLIDER_HORZ, 102, 55, {}, 8, "调节音量" , 0, &volume},
{SIID_TIMER,   SI_TYPE_BMPLABEL  | SI_TEST_SHAPE_RECT | SI_STATUS_VISIBLE,
	20, 67, {}, 10, "播放时间", 0, &timer}
};

/* 定义皮肤 */
skin_head_t main_skin =
{
    "播放器皮肤窗口",
    SKIN_STYLE_TOOLTIP, NULL, NULL, 
	0, 8, skin_main_items, FALSE
};

/* 位图数组 */
const char *bmp_name[] = {
"main.png", "play.png", "pause.png", "stop.png", "progress-bk.png", "progress.png",
"sysmenu.png", "close.png", "volume-bk.png", "volume.png", "timer.png"
};

static int cur_pos = 0;

/* 位图资源装/卸载函数 */
void load_skin_bmps ( skin_head_t *skin, BOOL load )
{
	int i, bmp_num = sizeof(bmp_name)/sizeof(char *);
	
	/* 如果load为真，则将位图装载到skin的bmps数组，否则卸载bmps数组中的位图 */
	if ( load )
		skin->bmps = (BITMAP* )calloc ( bmp_num, sizeof(BITMAP) );
	
	for ( i = 0 ; i < bmp_num ; i++ ){
		if ( load )
			LoadBitmapFromFile ( HDC_SCREEN, (PBITMAP)&(skin->bmps[i]), bmp_name[i] );
		else
			UnloadBitmap ((PBITMAP)&(skin->bmps[i]));
	}

	if ( !load )
		free ( (void*)skin->bmps);
}

/* 皮肤事件回调函数 */
static int main_event_cb (HWND hwnd, skin_item_t* item, int event, void* data)
{
	char buf[256];
	static int click_num = 0;
	int minute = 0;
	int second = 0;
	int pos = 0;

    if (event == SIE_BUTTON_CLICKED) {
        switch (item->id) {
        case SIID_PLAY:		/* 皮肤元素SIID_PLAY的SIE_BUTTON_CLICKED事件在这里进行处理 */
			click_num = 0;
			SetTimer (hwnd, ID_TIME, 100);
			skin_set_check_status (item->hostskin, SIID_PAUSE, FALSE);
			skin_set_check_status (item->hostskin, SIID_STOP, FALSE);
            break;
        case SIID_PAUSE:
			skin_set_check_status (item->hostskin, SIID_PLAY, FALSE);
			skin_set_check_status (item->hostskin, SIID_STOP, FALSE);
			KillTimer (hwnd, ID_TIME);
            break;
        case SIID_STOP:
			cur_pos = 0;
			skin_set_check_status (item->hostskin, SIID_PLAY, FALSE);
			skin_set_check_status (item->hostskin, SIID_PAUSE, FALSE);
			KillTimer (hwnd, ID_TIME);
			skin_set_thumb_pos (item->hostskin, SIID_PROGRESS, 0);
			skin_set_item_label (item->hostskin, SIID_TIMER, "00:00");
            break;
        case SIID_CLOSE:
			KillTimer (hwnd, ID_TIME);
			SendMessage (hwnd, MSG_CLOSE, 0, 0);
            break;
        }
    }
    else if (event == SIE_SLIDER_CHANGED) {
		pos = (int)data;
		cur_pos = pos;
		minute = pos / 60;
		second = pos % 60;
		if (second > 9) {
			sprintf (buf, "0%d:%d", minute, second); 
		} else {
			sprintf (buf, "0%d:0%d", minute,second);
		}
		skin_set_item_label (item->hostskin, SIID_TIMER, buf);
    }

	return 1;
}

/* 皮肤窗口消息回调函数 */
static int msg_event_cb (HWND hwnd, int message, WPARAM wparam, LPARAM lparam, int* result)
{
	int minute = 0;
	int second = 0;
	char buf[8];
	skin_head_t *hostskin = NULL;

	switch (message) {
		case MSG_TIMER:
			if (cur_pos++ > 180) 
				cur_pos = 0;
			minute = cur_pos / 60;
			second = cur_pos % 60;
			if (second > 9)
				sprintf (buf, "0%d:%d", minute, second); 
			else 
				sprintf (buf, "0%d:0%d", minute,second);
			
			hostskin = get_window_skin (hwnd);
			skin_set_thumb_pos (hostskin, SIID_PROGRESS, cur_pos);
			skin_set_item_label (hostskin, SIID_TIMER, buf);
			break;
	}
	return 1;
}

int MiniGUIMain (int argc, const char *argv[])
{
    MSG msg;
    HWND hWndMain;
    
#ifdef _LITE_VERSION
    SetDesktopRect( 0, 0, 640, 480 );
#endif

    if (!InitMiniGUIExt()) {
        return 2;
    }
	
	load_skin_bmps (&main_skin, TRUE);	/* 装载位图资源 */

    if ( !skin_init (&main_skin, main_event_cb, msg_event_cb) ){	/* 初始化皮肤 */
		printf ("skin init fail !\n");
	}
	else{
		hWndMain = create_skin_main_window (&main_skin,
						HWND_DESKTOP, 100, 100, 100 + DEF_WIDTH, 100 + DEF_HEIGHT,
                        FALSE);

	    while (GetMessage (&msg, hWndMain)) {
    	    TranslateMessage (&msg);
        	DispatchMessage (&msg);
	    }

    	MainWindowCleanup (hWndMain);
    	skin_deinit (&main_skin);		/* 撤销皮肤 */
	}

	load_skin_bmps (&main_skin, FALSE);	/* 卸载位图资源 */
	MiniGUIExtCleanUp ();

    return 0;
}

#ifndef _LITE_VERSION
#include <minigui/dti.c>
#endif

#else

#error "Lack of SKIN support in MiniGUIExt library."

#endif /* _EXT_SKIN */