gui.c

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/*
 * MPlayer GUI for Win32
 * Copyright (C) 2003 Sascha Sommer <[e-mail]>
 * Copyright (C) 2006 Erik Augustson <[e-mail]>
 * Copyright (C) 2006 Gianluigi Tiesi <[e-mail]>
 *
 * This file is part of MPlayer.
 *
 * MPlayer is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * MPlayer 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MPlayer; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <mplaylib.h>
#include <mplaylib.h>
#include <ctype.h>
#include <fcntl.h>
#include <windows.h>
#include <windowsx.h>
#include <shlobj.h>

#include "version.h"
#include "mplayer.h"
#include "mp_fifo.h"
#include "mp_msg.h"
#include "help_mp.h"
#include "input/input.h"
#include "input/mouse.h"
#include "osdep/keycodes.h"
#include "stream/stream.h"
#include "libvo/video_out.h"
#include "interface.h"
#include "gui.h"
#include "wincfg.h"
#include "dialogs.h"

// HACK around bug in old mingw
#undef INVALID_FILE_ATTRIBUTES
#define INVALID_FILE_ATTRIBUTES ((DWORD)-1)

#ifndef WM_XBUTTONDOWN
# define WM_XBUTTONDOWN    0x020B
# define WM_XBUTTONUP      0x020C
# define WM_XBUTTONDBLCLK  0x020D
#endif

/* Globals / Externs */
extern void renderinfobox(skin_t *skin, window_priv_t *priv);
extern void renderwidget(skin_t *skin, image *dest, widget *item, int state);
extern void mplayer_put_key(int code);
extern void print_version(void);
extern int WinID;
float sub_aspect;

DWORD oldtime;
NOTIFYICONDATA nid;
int console_state = 0;
play_tree_t *playtree = NULL;

static HBRUSH    colorbrush = NULL;           //Handle to colorkey brush
static COLORREF windowcolor = RGB(255,0,255); //Windowcolor == colorkey

void console_toggle(void)
{
    if (console_state)
    {
        FreeConsole();
        console = 0;
        console_state = 0;
    }
    else
    {
        /* This code comes from: http://dslweb.nwnexus.com/~ast/dload/guicon.htm */
        CONSOLE_SCREEN_BUFFER_INFO coninfo;
        FILE *fp;
        HWND hwnd = NULL;
        console = 1;
        AllocConsole();
        SetConsoleTitle(MP_TITLE);

        /* disable the close button for now */
        while (!hwnd)
        {
            hwnd = FindWindow(NULL, MP_TITLE);
            Sleep(100);
        }
        DeleteMenu(GetSystemMenu(hwnd, 0), SC_CLOSE, MF_BYCOMMAND);

        GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &coninfo);
        coninfo.dwSize.Y = 1000;
        SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), coninfo.dwSize);
        fp = freopen("con", "w", stdout);
        *stdout = *fp;
        setvbuf(stdout, NULL, _IONBF, 0);
        fp = freopen("con", "r", stdin);
        *stdin = *fp;
        setvbuf(stdin, NULL, _IONBF, 0);
        fp = freopen("con", "w", stdout);
        *stderr = *fp;
        setvbuf(stderr, NULL, _IONBF, 0);
        print_version();
        console_state = 1;
    }
}

void capitalize(char *filename)
{
    unsigned int i;
    BOOL cap = TRUE;
    for (i=0; i < strlen(filename); i++)
    {
        if (cap)
        {
            cap = FALSE;
            filename[i] = toupper(filename[i]);
        }
        else if (filename[i] == ' ')
            cap = TRUE;
        else
            filename[i] = tolower(filename[i]);
    }
}

static image *get_drawground(HWND hwnd)
{
    gui_t * gui = (gui_t *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
    unsigned int i;
    if(!gui) return NULL;
    for(i=0; i<gui->window_priv_count; i++)
        if(gui->window_priv[i]->hwnd==hwnd)
            return &gui->window_priv[i]->img;
    return NULL;
}

static HBITMAP get_bitmap(HWND hwnd)
{
    gui_t *gui = (gui_t *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
    unsigned int i;
    if(!gui) return NULL;
    for(i=0; i<gui->window_priv_count; i++)
        if(gui->window_priv[i]->hwnd == hwnd)
            return gui->window_priv[i]->bitmap;
    return NULL;
}

static int get_windowtype(HWND hwnd)
{
    gui_t *gui = (gui_t *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
    unsigned int i;
    if(!gui) return -1;
    for(i=0; i<gui->window_priv_count; i++)
        if(gui->window_priv[i]->hwnd == hwnd)
            return gui->window_priv[i]->type;
    return -1;
}

static void uninit(gui_t *gui)
{
    if(gui->skin) destroy_window(gui);
    if(gui->playlist) gui->playlist->free_playlist(gui->playlist);
    gui->playlist = NULL;
}

/*
    the gui message handler
    tries to handle the incoming messages
    and passes them to the player's message handler if it can't handle them
*/
static void handlemsg(HWND hWnd, int msg)
{
    gui_t *gui = (gui_t *) GetWindowLongPtr(hWnd, GWLP_USERDATA);
    if(msg == evNone) return;

    switch(msg)
    {
        case evLoadPlay:
        case evLoad:
            if(display_openfilewindow(gui, 0) && (msg == evLoadPlay))
                handlemsg(hWnd, evDropFile);
            return;
        case evLoadSubtitle:
            display_opensubtitlewindow(gui);
            break;
        case evPreferences:
            display_prefswindow(gui);
            return;
        case evPlayList:
            display_playlistwindow(gui);
            return;
        case evSkinBrowser:
            display_skinbrowser(gui);
            break;
        case evEqualizer:
            display_eqwindow(gui);
            break;
        case evAbout:
            MessageBox(hWnd, COPYRIGHT, "About", MB_OK);
            break;
        case evIconify:
            ShowWindow(hWnd, SW_MINIMIZE);
            break;
        case evIncVolume:
            mplayer_put_key(KEY_VOLUME_UP);
            break;
        case evDecVolume:
            mplayer_put_key(KEY_VOLUME_DOWN);
            break;
        default:
            mp_msg(MSGT_GPLAYER, MSGL_V, "[GUI] received msg %s (%i)\n", gui->skin->geteventname(msg), msg);
            break;
    }
    gui->playercontrol(msg);
}

static widget *clickedinsidewidget(gui_t *gui, int window, int x, int y)
{
    unsigned int i;
    widget *item;
    for(i=0; i<gui->skin->widgetcount; i++)
    {
        item = gui->skin->widgets[i];
        if((item->window == window) && (item->x <= x) && (item->x + item->width >= x) &&
           (item->y <= y) && (item->y + item->height >= y))
            return item;
    }
    return NULL;
}

/* updates sliders and the display */
static void updatedisplay(gui_t *gui, HWND hwnd)
{
    unsigned int i;
    window_priv_t *priv = NULL;
    DWORD time = timeGetTime();

    if(!hwnd) return;

    /* load all potmeters hpotmeters */
    for(i=0; i<gui->skin->widgetcount; i++)
    {
        if(gui->skin->widgets[i]->type == tyHpotmeter || gui->skin->widgets[i]->type == tyPotmeter)
        {
            if(gui->skin->widgets[i]->msg == evSetVolume)
                gui->skin->widgets[i]->value = guiIntfStruct.Volume;
            else if(gui->skin->widgets[i]->msg == evSetMoviePosition)
                gui->skin->widgets[i]->value = guiIntfStruct.Position;
            else if(gui->skin->widgets[i]->msg == evSetBalance)
                gui->skin->widgets[i]->value = guiIntfStruct.Balance;
            if(gui->skin->widgets[i]->window == get_windowtype(hwnd))
                renderwidget(gui->skin, get_drawground(hwnd), gui->skin->widgets[i],
                             gui->skin->widgets[i]->pressed ? 0 : 1);
        }
        /* update some buttons */
        if(gui->skin->widgets[i]->type == tyButton && gui->skin->widgets[i]->window == get_windowtype(hwnd))
        {
            if(gui->skin->widgets[i]->msg == evPlaySwitchToPause)
            {
                gui->skin->widgets[i]->value = guiIntfStruct.Playing;
                    renderwidget(gui->skin, get_drawground(hwnd), gui->skin->widgets[i],
                                 guiIntfStruct.Playing == 1 ? 0 : 1);
            }
            if(gui->skin->widgets[i]->msg == evMute)
            {
                gui->skin->widgets[i]->value = guiIntfStruct.Volume;
                    renderwidget(gui->skin, get_drawground(hwnd), gui->skin->widgets[i],
                                 guiIntfStruct.Volume == 0.0f ? 0 : 1);
            }
        }
    }

    /* updating the display once a 100.second is enough imo */
    if((time - oldtime) < 100) return;
    oldtime=time;

    /* suppress directx's fullscreen window when using the sub window */
    if(sub_window && &video_driver_list[0] && strstr("directx", video_driver_list[0]))
    {
        HWND hWndFS = NULL; //handle to directx's fullscreen window
        if(hWndFS == NULL)
        {
            hWndFS = FindWindow(NULL, "MPlayer Fullscreen");
            if(hWndFS != NULL) DestroyWindow(hWndFS); //sub window handles fullscreen
        }
    }

    for (i=0; i<gui->window_priv_count; i++)
    {
        if(gui->window_priv[i]->hwnd == hwnd)
            priv=gui->window_priv[i];
    }// Sherpya
    /* display the status msgs */
    renderinfobox(gui->skin, priv);
    RedrawWindow(hwnd, NULL, NULL, RDW_INVALIDATE);
}

static LRESULT CALLBACK SubProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    gui_t *gui = (gui_t *) GetWindowLongPtr(hWnd, GWLP_USERDATA);
    if (gui && (gui->subwindow != hWnd)) return FALSE;

    switch (message)
    {
        case WM_CLOSE:
            handlemsg(hWnd, evExit);
            return 0;
        case WM_DESTROY:
            PostQuitMessage(0);
            return 0;
        case WM_KEYDOWN:
        {
            switch(wParam)
            {
                case VK_LEFT:
                    mplayer_put_key(KEY_LEFT);
                    break;
                case VK_UP:
                    mplayer_put_key(KEY_UP);
                    break;
                case VK_RIGHT:
                    mplayer_put_key(KEY_RIGHT);
                    break;
                case VK_DOWN:
                    mplayer_put_key(KEY_DOWN);
                    break;
                case VK_TAB:
                    mplayer_put_key(KEY_TAB);
                    break;
                case VK_BACK:
                    mplayer_put_key(KEY_BS);
                    break;
                case VK_DELETE:
                    mplayer_put_key(KEY_DELETE);
                    break;
                case VK_INSERT:
                    mplayer_put_key(KEY_INSERT);
                    break;
                case VK_HOME:
                    mplayer_put_key(KEY_HOME);
                    break;
                case VK_END:
                    mplayer_put_key(KEY_END);
                    break;
                case VK_PRIOR:
                    mplayer_put_key(KEY_PAGE_UP);
                    break;
                case VK_NEXT:
                    mplayer_put_key(KEY_PAGE_DOWN);
                    break;
                case VK_ESCAPE:
                    mplayer_put_key(KEY_ESC);
                    break;
            }
            break;
        }
        case WM_COMMAND:
        {
            switch(LOWORD(wParam))
            {
                case IDEXIT:
                    PostQuitMessage(0);
                    handlemsg(hWnd, evExit);
                    break;
                case IDFILE_OPEN:
                    handlemsg(hWnd, evLoadPlay);
                    break;
                case IDURL_OPEN:
                    display_openurlwindow(gui, 0);
                    break;
                case IDDIR_OPEN:
                {
                    static char path[MAX_PATH];
                    BROWSEINFO bi;
                    LPITEMIDLIST pidl;
                    memset(&bi, 0, sizeof(BROWSEINFO));
                    bi.lpszTitle = "Choose a Directory...";
                    pidl = SHBrowseForFolder(&bi);
                    if (SHGetPathFromIDList(pidl, path))
                    {
                        gui->playlist->clear_playlist(gui->playlist);