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gtk2/modules/engines/ms-windows/xp_theme.c
Martin Schlemmer 3d31254fd9 Trying to fix MS Windows engine
2010-10-14 14:20:04 +02:00

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/* MS-Windows Engine (aka GTK-Wimp)
*
* Copyright (C) 2003, 2004 Raymond Penners <raymond@dotsphinx.com>
*
* 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"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <windows.h>
#include <math.h>
#include <string.h>
#include <stdio.h>
#ifdef BUILDING_STANDALONE
#include "gdk/gdkwin32.h"
#else
#include "gdk/win32/gdkwin32.h"
#endif
#include <cairo-win32.h>
#include <gdk/gdk.h>
#include "xp_theme_defs.h"
#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
#define GP_LINEHORZ 2
#define GP_LINEVERT 3
#define TP_SEPARATOR 5
#define TP_SEPARATORVERT 6
/* GLOBALS LINEHORZ states */
#define LHS_FLAT 1
#define LHS_RAISED 2
#define LHS_SUNKEN 3
/* GLOBAL LINEVERT states */
#define LVS_FLAT 1
#define LVS_RAISED 2
#define LVS_SUNKEN 3
/* TRACKBAR parts */
#define TKP_TRACK 1
#define TKP_TRACKVERT 2
#define TKP_THUMB 3
#define TKP_THUMBBOTTOM 4
#define TKP_THUMBTOP 5
#define TKP_THUMBVERT 6
#define TKP_THUMBLEFT 7
#define TKP_THUMBRIGHT 8
#define TKP_TICS 9
#define TKP_TICSVERT 10
#define TRS_NORMAL 1
#define MBI_NORMAL 1
#define MBI_HOT 2
#define MBI_PUSHED 3
#define MBI_DISABLED 4
#define MBI_DISABLEDHOT 5
#define MBI_DISABLEDPUSHED 6
#define MENU_POPUPGUTTER 13
#define MENU_POPUPITEM 14
#define MENU_POPUPSEPARATOR 15
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 */
L"Trackbar" /* XP_THEME_CLASS_TRACKBAR */
};
static const short element_part_map[XP_THEME_ELEMENT__SIZEOF] = {
BP_CHECKBOX,
BP_CHECKBOX,
BP_CHECKBOX,
BP_PUSHBUTTON,
HP_HEADERITEM,
CP_DROPDOWNBUTTON,
TABP_BODY,
TABP_TABITEM,
TABP_TABITEMLEFTEDGE,
TABP_TABITEMRIGHTEDGE,
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,
0 /* RP_BAND */ ,
RP_GRIPPER,
RP_GRIPPERVERT,
RP_CHEVRON,
TP_BUTTON,
MENU_POPUPITEM, /*MP_MENUITEM,*/
MENU_POPUPSEPARATOR, /*MP_SEPARATOR,*/
SP_GRIPPER,
SP_PANE,
GP_LINEHORZ,
GP_LINEVERT,
TP_SEPARATOR,
TP_SEPARATORVERT,
TKP_TRACK,
TKP_TRACKVERT,
TKP_THUMB,
TKP_THUMBVERT,
TKP_TICS,
TKP_TICSVERT
};
#define UXTHEME_DLL "uxtheme.dll"
static HINSTANCE uxtheme_dll = NULL;
static HTHEME open_themes[XP_THEME_CLASS__SIZEOF];
static gboolean use_xp_theme = FALSE;
typedef HRESULT (FAR PASCAL *GetThemeSysFontFunc) (HTHEME hTheme, int iFontID, OUT LOGFONTW *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);
typedef HRESULT (FAR PASCAL *GetThemePartSizeFunc) (HTHEME hTheme,
HDC hdc,
int iPartId,
int iStateId,
RECT *prc,
int eSize,
SIZE *psz);
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 GetThemePartSizeFunc get_theme_part_size_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)
{
char *buf;
char dummy;
int n, k;
if (uxtheme_dll)
return;
memset (open_themes, 0, sizeof (open_themes));
n = GetSystemDirectory (&dummy, 0);
if (n <= 0)
return;
buf = g_malloc (n + 1 + strlen (UXTHEME_DLL));
k = GetSystemDirectory (buf, n);
if (k == 0 || k > n)
{
g_free (buf);
return;
}
if (!G_IS_DIR_SEPARATOR (buf[strlen (buf) -1]))
strcat (buf, G_DIR_SEPARATOR_S);
strcat (buf, UXTHEME_DLL);
uxtheme_dll = LoadLibrary (buf);
g_free (buf);
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");
get_theme_part_size_func = (GetThemePartSizeFunc) GetProcAddress (uxtheme_dll, "GetThemePartSize");
}
if (is_app_themed_func && is_theme_active_func)
{
use_xp_theme = (is_app_themed_func () && is_theme_active_func ());
}
else
{
use_xp_theme = FALSE;
}
}
void
xp_theme_reset (void)
{
xp_theme_close_open_handles ();
if (is_app_themed_func && is_theme_active_func)
{
use_xp_theme = (is_app_themed_func () && is_theme_active_func ());
}
else
{
use_xp_theme = FALSE;
}
}
void
xp_theme_exit (void)
{
if (!uxtheme_dll)
return;
xp_theme_close_open_handles ();
FreeLibrary (uxtheme_dll);
uxtheme_dll = NULL;
use_xp_theme = FALSE;
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;
get_theme_part_size_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_SCALE_TROUGH_H:
case XP_THEME_ELEMENT_SCALE_TROUGH_V:
case XP_THEME_ELEMENT_SCALE_SLIDER_H:
case XP_THEME_ELEMENT_SCALE_SLIDER_V:
case XP_THEME_ELEMENT_SCALE_TICS_H:
case XP_THEME_ELEMENT_SCALE_TICS_V:
klazz = XP_THEME_CLASS_TRACKBAR;
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:
case XP_THEME_ELEMENT_TOOLBAR_SEPARATOR_H:
case XP_THEME_ELEMENT_TOOLBAR_SEPARATOR_V:
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_INCONSISTENT_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_ITEM_RIGHT_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;
case XP_THEME_ELEMENT_LINE_H:
case XP_THEME_ELEMENT_LINE_V:
klazz = XP_THEME_CLASS_GLOBALS;
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 = 0;
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_SEPARATOR_H:
case XP_THEME_ELEMENT_TOOLBAR_SEPARATOR_V:
ret = TS_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_RIGHT_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;
case XP_THEME_ELEMENT_EDIT_TEXT:
switch (state)
{
case GTK_STATE_PRELIGHT:
ret = ETS_FOCUSED;
break;
case GTK_STATE_INSENSITIVE:
ret = ETS_READONLY;
break;
case GTK_STATE_SELECTED:
case GTK_STATE_ACTIVE:
default:
ret = ETS_NORMAL;
}
break;
case XP_THEME_ELEMENT_TROUGH_H:
case XP_THEME_ELEMENT_TROUGH_V:
ret = SCRBS_NORMAL;
break;
case XP_THEME_ELEMENT_SCROLLBAR_H:
case XP_THEME_ELEMENT_SCROLLBAR_V:
switch (state)
{
case GTK_STATE_SELECTED:
case GTK_STATE_ACTIVE:
ret = SCRBS_PRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = SCRBS_HOT;
break;
case GTK_STATE_INSENSITIVE:
ret = SCRBS_DISABLED;
break;
default:
ret = SCRBS_NORMAL;
}
break;
case XP_THEME_ELEMENT_ARROW_DOWN:
switch (state)
{
case GTK_STATE_ACTIVE:
ret = ABS_DOWNPRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = ABS_DOWNHOT;
break;
case GTK_STATE_INSENSITIVE:
ret = ABS_DOWNDISABLED;
break;
default:
ret = ABS_DOWNNORMAL;
}
break;
case XP_THEME_ELEMENT_ARROW_UP:
switch (state)
{
case GTK_STATE_ACTIVE:
ret = ABS_UPPRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = ABS_UPHOT;
break;
case GTK_STATE_INSENSITIVE:
ret = ABS_UPDISABLED;
break;
default:
ret = ABS_UPNORMAL;
}
break;
case XP_THEME_ELEMENT_ARROW_LEFT:
switch (state)
{
case GTK_STATE_ACTIVE:
ret = ABS_LEFTPRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = ABS_LEFTHOT;
break;
case GTK_STATE_INSENSITIVE:
ret = ABS_LEFTDISABLED;
break;
default:
ret = ABS_LEFTNORMAL;
}
break;
case XP_THEME_ELEMENT_ARROW_RIGHT:
switch (state)
{
case GTK_STATE_ACTIVE:
ret = ABS_RIGHTPRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = ABS_RIGHTHOT;
break;
case GTK_STATE_INSENSITIVE:
ret = ABS_RIGHTDISABLED;
break;
default:
ret = ABS_RIGHTNORMAL;
}
break;
case XP_THEME_ELEMENT_CHECKBOX:
case XP_THEME_ELEMENT_RADIO_BUTTON:
switch (state)
{
case GTK_STATE_SELECTED:
ret = CBS_UNCHECKEDPRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = CBS_UNCHECKEDHOT;
break;
case GTK_STATE_INSENSITIVE:
ret = CBS_UNCHECKEDDISABLED;
break;
default:
ret = CBS_UNCHECKEDNORMAL;
}
break;
case XP_THEME_ELEMENT_INCONSISTENT_CHECKBOX:
switch (state)
{
case GTK_STATE_SELECTED:
ret = CBS_MIXEDPRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = CBS_MIXEDHOT;
break;
case GTK_STATE_INSENSITIVE:
ret = CBS_MIXEDDISABLED;
break;
default:
ret = CBS_MIXEDNORMAL;
}
break;
case XP_THEME_ELEMENT_PRESSED_CHECKBOX:
case XP_THEME_ELEMENT_PRESSED_RADIO_BUTTON:
switch (state)
{
case GTK_STATE_SELECTED:
ret = CBS_CHECKEDPRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = CBS_CHECKEDHOT;
break;
case GTK_STATE_INSENSITIVE:
ret = CBS_CHECKEDDISABLED;
break;
default:
ret = CBS_CHECKEDNORMAL;
}
break;
case XP_THEME_ELEMENT_DEFAULT_BUTTON:
switch (state)
{
case GTK_STATE_ACTIVE:
ret = PBS_PRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = PBS_HOT;
break;
case GTK_STATE_INSENSITIVE:
ret = PBS_DISABLED;
break;
default:
ret = PBS_DEFAULTED;
}
break;
case XP_THEME_ELEMENT_SPIN_BUTTON_DOWN:
switch (state)
{
case GTK_STATE_ACTIVE:
ret = DNS_PRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = DNS_HOT;
break;
case GTK_STATE_INSENSITIVE:
ret = DNS_DISABLED;
break;
default:
ret = DNS_NORMAL;
}
break;
case XP_THEME_ELEMENT_SPIN_BUTTON_UP:
switch (state)
{
case GTK_STATE_ACTIVE:
ret = UPS_PRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = UPS_HOT;
break;
case GTK_STATE_INSENSITIVE:
ret = UPS_DISABLED;
break;
default:
ret = UPS_NORMAL;
}
break;
case XP_THEME_ELEMENT_TREEVIEW_EXPANDER_OPENED:
ret = GLPS_OPENED;
break;
case XP_THEME_ELEMENT_TREEVIEW_EXPANDER_CLOSED:
ret = GLPS_CLOSED;
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:
ret = 1;
break;
case XP_THEME_ELEMENT_MENU_SEPARATOR:
ret = TS_NORMAL;
break;
case XP_THEME_ELEMENT_MENU_ITEM:
switch (state)
{
case GTK_STATE_SELECTED:
ret = MS_SELECTED;
break;
case GTK_STATE_PRELIGHT:
ret = MBI_HOT;
break;
case GTK_STATE_INSENSITIVE:
ret = MBI_DISABLED;
break;
default:
ret = MBI_NORMAL;
}
break;
case XP_THEME_ELEMENT_LINE_H:
switch (state)
{
/* LHS_FLAT, LHS_RAISED, LHS_SUNKEN */
ret = LHS_RAISED;
break;
}
break;
case XP_THEME_ELEMENT_LINE_V:
switch (state)
{
/* LVS_FLAT, LVS_RAISED, LVS_SUNKEN */
ret = LVS_RAISED;
break;
}
break;
case XP_THEME_ELEMENT_SCALE_TROUGH_H:
case XP_THEME_ELEMENT_SCALE_TROUGH_V:
ret = TRS_NORMAL;
break;
default:
switch (state)
{
case GTK_STATE_ACTIVE:
ret = PBS_PRESSED;
break;
case GTK_STATE_PRELIGHT:
ret = PBS_HOT;
break;
case GTK_STATE_INSENSITIVE:
ret = PBS_DISABLED;
break;
default:
ret = PBS_NORMAL;
}
}
return ret;
}
HDC
get_window_dc (GtkStyle *style,
cairo_t *cr,
GtkStateType state_type,
XpDCInfo *dc_info_out,
gint x, gint y, gint width, gint height,
RECT *rect_out)
{
HDC hDC, hTempDC;
HBITMAP hBitmap, hOldBitmap;
cairo_surface_t *sourceCS, *tempCS;
cairo_t *tempCR;
double x_off = 0, y_off = 0;
dc_info_out->hdc = NULL;
hDC = GetDC(NULL);
hTempDC = CreateCompatibleDC(hDC);
hBitmap = CreateCompatibleBitmap(hDC, x + width, y + height);
hOldBitmap = (HBITMAP)SelectObject(hTempDC, hBitmap);
ReleaseDC(NULL, hDC);
tempCS = cairo_win32_surface_create (hTempDC);
if (!tempCS)
return NULL;
sourceCS = cairo_get_target (cr);
tempCR = cairo_create (tempCS);
/* FIXME: I am missing something here - why is it needed to have device
* for cairo_set_source_surface() ? */
cairo_surface_get_device_offset (sourceCS, &x_off, &y_off);
cairo_set_source_surface (tempCR, sourceCS, x_off, y_off);
cairo_set_operator (tempCR, CAIRO_OPERATOR_OVER);
/* FIXME: Something is not quit right here - seems the CR or SURFACE do
* not always have the correct data. Hovering on a GtkToolbar from
* left to right draws the previous button over the next for ex. */
cairo_rectangle (tempCR, x, y, width, height);
cairo_fill (tempCR);
cairo_destroy (tempCR);
cairo_surface_flush (tempCS);
cairo_surface_destroy (tempCS);
rect_out->left = x;
rect_out->top = y;
rect_out->right = rect_out->left + width;
rect_out->bottom = rect_out->top + height;
dc_info_out->hdc = hTempDC;
dc_info_out->hBitmap = hBitmap;
dc_info_out->hOldBitmap = hOldBitmap;
dc_info_out->cr = cr;
dc_info_out->x = x;
dc_info_out->y = y;
dc_info_out->width = width;
dc_info_out->height = height;
return hTempDC;
}
void
release_window_dc (XpDCInfo *dc_info)
{
cairo_surface_t *tempCS, *target;
if (!dc_info->hdc)
return;
tempCS = cairo_win32_surface_create (dc_info->hdc);
target = cairo_get_target (dc_info->cr);
cairo_save (dc_info->cr);
cairo_set_source_surface (dc_info->cr, tempCS, 0, 0);
cairo_set_operator (dc_info->cr, CAIRO_OPERATOR_OVER);
cairo_rectangle (dc_info->cr, dc_info->x, dc_info->y, dc_info->width, dc_info->height);
cairo_fill (dc_info->cr);
cairo_restore (dc_info->cr);
cairo_surface_destroy (tempCS);
SelectObject(dc_info->hdc, dc_info->hOldBitmap);
DeleteDC(dc_info->hdc);
DeleteObject(dc_info->hBitmap);
dc_info->hdc = NULL;
}
gboolean
xp_theme_draw (cairo_t *cr, XpThemeElement element, GtkStyle *style,
int x, int y, int width, int height,
GtkStateType state_type)
{
HTHEME theme;
RECT rect;
HDC dc;
XpDCInfo dc_info;
int part_state;
if (!xp_theme_is_drawable (element))
return FALSE;
theme = xp_theme_get_handle_by_element (element);
if (!theme)
return FALSE;
/* FIXME: Recheck its function */
// if (GDK_IS_WINDOW (win) && gdk_win32_window_is_win32 (win))
// enable_theme_dialog_texture_func (GDK_WINDOW_HWND (win), ETDT_ENABLETAB);
dc = get_window_dc (style, cr, state_type, &dc_info,
x, y, width, height,
&rect);
if (!dc)
return FALSE;
part_state = xp_theme_map_gtk_state (element, state_type);
/* Support transparency */
// if (is_theme_partially_transparent_func (theme, element_part_map[element], part_state))
// draw_theme_parent_background_func (GDK_WINDOW_HWND (win), dc, pClip);
/* FIXME: Should we get and handle clipping (check it on the CR?) ? */
draw_theme_background_func (theme, dc, element_part_map[element],
part_state, &rect, NULL);
release_window_dc (&dc_info);
return TRUE;
}
gboolean
xp_theme_is_active (void)
{
return use_xp_theme;
}
gboolean
xp_theme_is_drawable (XpThemeElement element)
{
if (xp_theme_is_active ())
return (xp_theme_get_handle_by_element (element) != NULL);
return FALSE;
}
gboolean
xp_theme_get_element_dimensions (XpThemeElement element,
GtkStateType state_type,
gint *cx, gint *cy)
{
HTHEME theme;
SIZE part_size;
int part_state;
if (!xp_theme_is_active ())
return FALSE;
theme = xp_theme_get_handle_by_element (element);
if (!theme)
return FALSE;
part_state = xp_theme_map_gtk_state (element, state_type);
get_theme_part_size_func (theme,
NULL,
element_part_map[element],
part_state,
NULL,
TS_MIN,
&part_size);
*cx = part_size.cx;
*cy = part_size.cy;
if (element == XP_THEME_ELEMENT_MENU_ITEM ||
element == XP_THEME_ELEMENT_MENU_SEPARATOR)
{
SIZE gutter_size;
get_theme_part_size_func (theme,
NULL,
MENU_POPUPGUTTER,
0,
NULL,
TS_MIN,
&gutter_size);
*cx += gutter_size.cx * 2;
*cy += gutter_size.cy * 2;
}
return TRUE;
}
gboolean
xp_theme_get_system_font (XpThemeClass klazz, XpThemeFont fontId,
OUT LOGFONTW *lf)
{
if (xp_theme_is_active () && get_theme_sys_font_func != NULL)
{
HTHEME theme = xp_theme_get_handle_by_class (klazz);
int themeFont;
if (!theme)
return FALSE;
switch (fontId)
{
case XP_THEME_FONT_CAPTION:
themeFont = TMT_CAPTIONFONT;
break;
case XP_THEME_FONT_MENU:
themeFont = TMT_MENUFONT;
break;
case XP_THEME_FONT_STATUS:
themeFont = TMT_STATUSFONT;
break;
case XP_THEME_FONT_MESSAGE:
default:
themeFont = TMT_MSGBOXFONT;
break;
}
/* if theme is NULL, it will just return the GetSystemFont()
value */
return ((*get_theme_sys_font_func) (theme, themeFont, lf) == S_OK);
}
return FALSE;
}
gboolean
xp_theme_get_system_color (XpThemeClass klazz, int colorId,
OUT DWORD *pColor)
{
if (xp_theme_is_active () && get_theme_sys_color_func != NULL)
{
HTHEME theme = xp_theme_get_handle_by_class (klazz);
/* if theme is NULL, it will just return the GetSystemColor()
value */
*pColor = (*get_theme_sys_color_func) (theme, colorId);
return TRUE;
}
return FALSE;
}
gboolean
xp_theme_get_system_metric (XpThemeClass klazz, int metricId, OUT int *pVal)
{
if (xp_theme_is_active () && get_theme_sys_metric_func != NULL)
{
HTHEME theme = xp_theme_get_handle_by_class (klazz);
/* if theme is NULL, it will just return the GetSystemMetrics()
value */
*pVal = (*get_theme_sys_metric_func) (theme, metricId);
return TRUE;
}
return FALSE;
}
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