xp_theme.c

linux下电话本所依赖的一些图形库

/* MS-Windows Engine (aka GTK-Wimp)
 *
 * Copyright (C) 2003, 2004 Raymond Penners <[e-mail]>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#define _WIN32_WINNT 0x0501

#include "xp_theme.h"

#include <config.h>
#include <windows.h>
#include <math.h>
#include <string.h>
#include <stdio.h>

#include "gdk/win32/gdkwin32.h"

#ifdef HAVE_UXTHEME_H
#include <uxtheme.h>
#include <tmschema.h>
#else
#include "xp_theme_defs.h"
#endif

#ifndef TMT_CAPTIONFONT
/* These aren't in mingw's "w32api" headers, nor in the Platform SDK
 * headers.
 */
#define TMT_CAPTIONFONT 801
#define TMT_MENUFONT 803
#define TMT_STATUSFONT 804
#define TMT_MSGBOXFONT 805
#endif

static const LPCWSTR class_descriptors[] =
{
  L"Scrollbar", /* XP_THEME_CLASS_SCROLLBAR */
  L"Button",    /* XP_THEME_CLASS_BUTTON */
  L"Header",    /* XP_THEME_CLASS_HEADER */
  L"ComboBox",  /* XP_THEME_CLASS_COMBOBOX */
  L"Tab",       /* XP_THEME_CLASS_TAB */
  L"Edit",      /* XP_THEME_CLASS_EDIT */
  L"TreeView",  /* XP_THEME_CLASS_TREEVIEW */
  L"Spin",      /* XP_THEME_CLASS_SPIN */
  L"Progress",  /* XP_THEME_CLASS_PROGRESS */
  L"Tooltip",   /* XP_THEME_CLASS_TOOLTIP */
  L"Rebar",     /* XP_THEME_CLASS_REBAR */
  L"Toolbar",   /* XP_THEME_CLASS_TOOLBAR */
  L"Globals",   /* XP_THEME_CLASS_GLOBALS */
  L"Menu",      /* XP_THEME_CLASS_MENU */
  L"Window",    /* XP_THEME_CLASS_WINDOW */
  L"Status"     /* XP_THEME_CLASS_STATUS */
};

static const short element_part_map[]=
{
  BP_CHECKBOX,
  BP_CHECKBOX,
  BP_PUSHBUTTON,
  HP_HEADERITEM,
  CP_DROPDOWNBUTTON,
  TABP_BODY,
  TABP_TABITEM,
  TABP_TABITEMLEFTEDGE,
  TABP_PANE,
  SBP_THUMBBTNHORZ,
  SBP_THUMBBTNVERT,
  SBP_ARROWBTN,
  SBP_ARROWBTN,
  SBP_ARROWBTN,
  SBP_ARROWBTN,
  SBP_GRIPPERHORZ,
  SBP_GRIPPERVERT,
  SBP_LOWERTRACKHORZ,
  SBP_LOWERTRACKVERT,
  EP_EDITTEXT,
  BP_PUSHBUTTON,
  SPNP_UP,
  SPNP_DOWN,
  BP_RADIOBUTTON,
  BP_RADIOBUTTON,
  TVP_GLYPH,
  TVP_GLYPH,
  PP_CHUNK,
  PP_CHUNKVERT,
  PP_BAR,
  PP_BARVERT,
  TTP_STANDARD,
  RP_BAND,
  RP_GRIPPER,
  RP_GRIPPERVERT,
  RP_CHEVRON,
  TP_BUTTON,
  MP_MENUITEM,
  MP_SEPARATOR,
  SP_GRIPPER,
  SP_PANE
};

static HINSTANCE uxtheme_dll = NULL;
static HTHEME open_themes[XP_THEME_CLASS__SIZEOF];

typedef HRESULT (FAR PASCAL *GetThemeSysFontFunc)
     (HTHEME hTheme, int iFontID, OUT LOGFONT *plf);
typedef int (FAR PASCAL *GetThemeSysSizeFunc)
	(HTHEME hTheme, int iSizeId);
typedef COLORREF (FAR PASCAL *GetThemeSysColorFunc)(HTHEME hTheme, int iColorID);
typedef HTHEME (FAR PASCAL *OpenThemeDataFunc)
     (HWND hwnd, LPCWSTR pszClassList);
typedef HRESULT (FAR PASCAL *CloseThemeDataFunc)(HTHEME theme);
typedef HRESULT (FAR PASCAL *DrawThemeBackgroundFunc)
     (HTHEME hTheme, HDC hdc, int iPartId, int iStateId,
      const RECT *pRect, const RECT *pClipRect);
typedef HRESULT (FAR PASCAL *EnableThemeDialogTextureFunc)(HWND hwnd, DWORD dwFlags);
typedef BOOL (FAR PASCAL *IsThemeActiveFunc)(VOID);
typedef BOOL (FAR PASCAL *IsAppThemedFunc)(VOID);
typedef BOOL (FAR PASCAL *IsThemeBackgroundPartiallyTransparentFunc)(HTHEME hTheme, int iPartId, int iStateId);
typedef HRESULT (FAR PASCAL *DrawThemeParentBackgroundFunc)(HWND hwnd, HDC hdc, RECT *prc);

static GetThemeSysFontFunc get_theme_sys_font_func = NULL;
static GetThemeSysColorFunc get_theme_sys_color_func = NULL;
static GetThemeSysSizeFunc get_theme_sys_metric_func = NULL;
static OpenThemeDataFunc open_theme_data_func = NULL;
static CloseThemeDataFunc close_theme_data_func = NULL;
static DrawThemeBackgroundFunc draw_theme_background_func = NULL;
static EnableThemeDialogTextureFunc enable_theme_dialog_texture_func = NULL;
static IsThemeActiveFunc is_theme_active_func = NULL;
static IsAppThemedFunc is_app_themed_func = NULL;
static IsThemeBackgroundPartiallyTransparentFunc is_theme_partially_transparent_func = NULL;
static DrawThemeParentBackgroundFunc draw_theme_parent_background_func = NULL;

static void
xp_theme_close_open_handles (void)
{
  int i;

  for (i=0; i < XP_THEME_CLASS__SIZEOF; i++)
    {
      if (open_themes[i])
        {
          close_theme_data_func (open_themes[i]);
          open_themes[i] = NULL;
	}
    }
}

void
xp_theme_init (void)
{
  if (uxtheme_dll)
    return;

  memset(open_themes, 0, sizeof(open_themes));

  uxtheme_dll = LoadLibrary("uxtheme.dll");
  if (!uxtheme_dll) {
	  return;
  }

  is_app_themed_func = (IsAppThemedFunc) GetProcAddress(uxtheme_dll, "IsAppThemed");

  if(is_app_themed_func) {
	  is_theme_active_func = (IsThemeActiveFunc) GetProcAddress(uxtheme_dll, "IsThemeActive");
	  open_theme_data_func = (OpenThemeDataFunc) GetProcAddress(uxtheme_dll, "OpenThemeData");
	  close_theme_data_func = (CloseThemeDataFunc) GetProcAddress(uxtheme_dll, "CloseThemeData");
	  draw_theme_background_func = (DrawThemeBackgroundFunc) GetProcAddress(uxtheme_dll, "DrawThemeBackground");
	  enable_theme_dialog_texture_func = (EnableThemeDialogTextureFunc) GetProcAddress(uxtheme_dll, "EnableThemeDialogTexture");
	  get_theme_sys_font_func = (GetThemeSysFontFunc) GetProcAddress(uxtheme_dll, "GetThemeSysFont");
	  get_theme_sys_color_func = (GetThemeSysColorFunc) GetProcAddress(uxtheme_dll, "GetThemeSysColor");
	  get_theme_sys_metric_func = (GetThemeSysSizeFunc) GetProcAddress(uxtheme_dll, "GetThemeSysSize");
	  is_theme_partially_transparent_func = (IsThemeBackgroundPartiallyTransparentFunc) GetProcAddress(uxtheme_dll, "IsThemeBackgroundPartiallyTransparent");
	  draw_theme_parent_background_func = (DrawThemeParentBackgroundFunc) GetProcAddress(uxtheme_dll, "DrawThemeParentBackground");
  }
}

void
xp_theme_reset (void)
{
  xp_theme_close_open_handles ();
}

void
xp_theme_exit (void)
{
  if (! uxtheme_dll)
    return;

  xp_theme_close_open_handles ();

  FreeLibrary (uxtheme_dll);
  uxtheme_dll = NULL;

  is_app_themed_func = NULL;
  is_theme_active_func = NULL;
  open_theme_data_func = NULL;
  close_theme_data_func = NULL;
  draw_theme_background_func = NULL;
  enable_theme_dialog_texture_func = NULL;
  get_theme_sys_font_func = NULL;
  get_theme_sys_color_func = NULL;
  get_theme_sys_metric_func = NULL;
  is_theme_partially_transparent_func = NULL;
  draw_theme_parent_background_func = NULL;
}

static HTHEME
xp_theme_get_handle_by_class (XpThemeClass klazz)
{
  if (!open_themes[klazz] && open_theme_data_func)
    {
      open_themes[klazz] = open_theme_data_func(NULL, class_descriptors[klazz]);
    }
  return open_themes[klazz];
}

static HTHEME
xp_theme_get_handle_by_element (XpThemeElement element)
{
  HTHEME ret = NULL;
  XpThemeClass klazz = XP_THEME_CLASS__SIZEOF;

  switch(element)
    {
    case XP_THEME_ELEMENT_TOOLTIP:
      klazz = XP_THEME_CLASS_TOOLTIP;
      break;

    case XP_THEME_ELEMENT_REBAR:
    case XP_THEME_ELEMENT_REBAR_GRIPPER_H:
    case XP_THEME_ELEMENT_REBAR_GRIPPER_V:
    case XP_THEME_ELEMENT_REBAR_CHEVRON:
      klazz = XP_THEME_CLASS_REBAR;
      break;

    case XP_THEME_ELEMENT_STATUS_GRIPPER:
    case XP_THEME_ELEMENT_STATUS_PANE:
      klazz = XP_THEME_CLASS_STATUS;
      break;

	case XP_THEME_ELEMENT_TOOLBAR_BUTTON:
      klazz = XP_THEME_CLASS_TOOLBAR;
      break;

    case XP_THEME_ELEMENT_MENU_ITEM:
    case XP_THEME_ELEMENT_MENU_SEPARATOR:
      klazz = XP_THEME_CLASS_MENU;
      break;

    case XP_THEME_ELEMENT_PRESSED_CHECKBOX:
    case XP_THEME_ELEMENT_CHECKBOX:
    case XP_THEME_ELEMENT_BUTTON:
    case XP_THEME_ELEMENT_DEFAULT_BUTTON:
    case XP_THEME_ELEMENT_PRESSED_RADIO_BUTTON:
    case XP_THEME_ELEMENT_RADIO_BUTTON:
      klazz = XP_THEME_CLASS_BUTTON;
      break;

    case XP_THEME_ELEMENT_LIST_HEADER:
      klazz = XP_THEME_CLASS_HEADER;
      break;

    case XP_THEME_ELEMENT_COMBOBUTTON:
      klazz = XP_THEME_CLASS_COMBOBOX;
      break;

    case XP_THEME_ELEMENT_BODY:
    case XP_THEME_ELEMENT_TAB_ITEM:
    case XP_THEME_ELEMENT_TAB_ITEM_LEFT_EDGE:
    case XP_THEME_ELEMENT_TAB_PANE:
      klazz = XP_THEME_CLASS_TAB;
      break;

    case XP_THEME_ELEMENT_SCROLLBAR_V:
    case XP_THEME_ELEMENT_SCROLLBAR_H:
    case XP_THEME_ELEMENT_ARROW_UP:
    case XP_THEME_ELEMENT_ARROW_DOWN:
    case XP_THEME_ELEMENT_ARROW_LEFT:
    case XP_THEME_ELEMENT_ARROW_RIGHT:
    case XP_THEME_ELEMENT_SCROLLBAR_GRIPPER_V:
    case XP_THEME_ELEMENT_SCROLLBAR_GRIPPER_H:
    case XP_THEME_ELEMENT_TROUGH_V:
    case XP_THEME_ELEMENT_TROUGH_H:
      klazz = XP_THEME_CLASS_SCROLLBAR;
      break;

    case XP_THEME_ELEMENT_EDIT_TEXT:
      klazz = XP_THEME_CLASS_EDIT;
      break;

    case XP_THEME_ELEMENT_SPIN_BUTTON_UP:
    case XP_THEME_ELEMENT_SPIN_BUTTON_DOWN:
      klazz = XP_THEME_CLASS_SPIN;
      break;

    case XP_THEME_ELEMENT_PROGRESS_BAR_H:
    case XP_THEME_ELEMENT_PROGRESS_BAR_V:
    case XP_THEME_ELEMENT_PROGRESS_TROUGH_H:
    case XP_THEME_ELEMENT_PROGRESS_TROUGH_V:
      klazz = XP_THEME_CLASS_PROGRESS;
      break;

    case XP_THEME_ELEMENT_TREEVIEW_EXPANDER_OPENED:
    case XP_THEME_ELEMENT_TREEVIEW_EXPANDER_CLOSED:
      klazz = XP_THEME_CLASS_TREEVIEW;
      break;

    default:
      break;
    }

  if (klazz != XP_THEME_CLASS__SIZEOF)
    {
      ret = xp_theme_get_handle_by_class (klazz);
    }
  return ret;
}

static int
xp_theme_map_gtk_state (XpThemeElement element, GtkStateType state)
{
  int ret = 0;

  switch(element)
    {
    case XP_THEME_ELEMENT_TOOLTIP:
      ret = TTSS_NORMAL;
      break;

    case XP_THEME_ELEMENT_REBAR:
    	ret = 0;
    	break;

    case XP_THEME_ELEMENT_REBAR_GRIPPER_H:
    case XP_THEME_ELEMENT_REBAR_GRIPPER_V:
      ret = CHEVS_NORMAL;
      break;

	case XP_THEME_ELEMENT_STATUS_GRIPPER:
	case XP_THEME_ELEMENT_STATUS_PANE:
		ret = 1;
		break;

    case XP_THEME_ELEMENT_REBAR_CHEVRON:
      switch (state)
	{
        case GTK_STATE_PRELIGHT:
          ret =  CHEVS_HOT;
          break;
        case GTK_STATE_SELECTED:
        case GTK_STATE_ACTIVE:
          ret =  CHEVS_PRESSED;
          break;
        default:
          ret =  CHEVS_NORMAL;
	}
      break;

	case XP_THEME_ELEMENT_TOOLBAR_BUTTON:
		switch (state)
		{
        case GTK_STATE_ACTIVE:
          ret =  TS_PRESSED;
          break;
        case GTK_STATE_PRELIGHT:
          ret =  TS_HOT;
          break;
        case GTK_STATE_INSENSITIVE:
          ret =  TS_DISABLED;
          break;
        default:
          ret =  TS_NORMAL;
		}
		break;

    case XP_THEME_ELEMENT_TAB_PANE:
      ret = 1;
      break;

    case XP_THEME_ELEMENT_TAB_ITEM_LEFT_EDGE:
    case XP_THEME_ELEMENT_TAB_ITEM:
      switch(state)
        {
        case GTK_STATE_PRELIGHT:
          ret =  TIS_HOT;
          break;
        case GTK_STATE_INSENSITIVE:
          ret =  TIS_DISABLED;
          break;
        case GTK_STATE_SELECTED:
        case GTK_STATE_ACTIVE:
          ret =  TIS_NORMAL;
          break;
        default:
          ret =  TIS_SELECTED;
        }
      break;