/* Wimp "Windows Impersonator" Engine * * Copyright (C) 2003 Raymond Penners * * 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. */ #include "xp_theme.h" #include #include #include #include #include #ifdef DONT_HAVE_UXTHEME_H #include "xp_theme_defs.h" #else #include #include #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); 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 gboolean was_theming_active = FALSE; 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) { was_theming_active = FALSE; return; } 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"); if (is_theme_active_func) { was_theming_active = (*is_theme_active_func) (); } } void xp_theme_reset (void) { xp_theme_close_open_handles (); was_theming_active = is_theme_active_func ? (*is_theme_active_func) () : FALSE; } void xp_theme_exit (void) { if (! uxtheme_dll) return; xp_theme_close_open_handles (); FreeLibrary (uxtheme_dll); uxtheme_dll = 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; } 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; } 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; switch(element) { case XP_THEME_ELEMENT_TOOLTIP: ret = TTSS_NORMAL; break; case XP_THEME_ELEMENT_REBAR: 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; 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_SCROLLBAR_H: case XP_THEME_ELEMENT_SCROLLBAR_V: case XP_THEME_ELEMENT_TROUGH_H: case XP_THEME_ELEMENT_TROUGH_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_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; 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_ITEM: case XP_THEME_ELEMENT_MENU_SEPARATOR: switch(state) { case GTK_STATE_SELECTED: ret = MS_SELECTED; break; case GTK_STATE_INSENSITIVE: ret = MS_DEMOTED; break; default: ret = MS_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; } gboolean xp_theme_draw (GdkWindow *win, XpThemeElement element, GtkStyle *style, int x, int y, int width, int height, GtkStateType state_type, GdkRectangle *area) { HTHEME theme; RECT rect, clip, *pClip; int xoff, yoff, state; HDC dc; GdkDrawable *drawable; 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 */ enable_theme_dialog_texture_func(GDK_WINDOW_HWND(win), ETDT_ENABLETAB); if (!GDK_IS_WINDOW(win)) { xoff = 0; yoff = 0; drawable = win; } else { gdk_window_get_internal_paint_info(win, &drawable, &xoff, &yoff); } rect.left = x - xoff; rect.top = y - yoff; rect.right = rect.left + width; rect.bottom = rect.top + height; if (area) { clip.left = area->x - xoff; clip.top = area->y - yoff; clip.right = clip.left + area->width; clip.bottom = clip.top + area->height; pClip = &clip; } else { pClip = NULL; } gdk_gc_set_clip_rectangle (style->dark_gc[state_type], NULL); dc = gdk_win32_hdc_get(drawable, style->dark_gc[state_type], 0); if (!dc) return FALSE; part_state = xp_theme_map_gtk_state(element, state_type); #ifdef GNATS_HACK if (element == XP_THEME_ELEMENT_REBAR_GRIPPER_V || element == XP_THEME_ELEMENT_REBAR_GRIPPER_H) { /* Hack alert: when XP draws a gripper, it does not seem to fill up the whole rectangle. It only fills the gripper line itself. Therefore we manually fill up the background here ourselves. I still have to look into this a bit further, as tests with GNAT Programming System show some awkward interference between this FillRect and the subsequent DrawThemeBackground(). */ FillRect (dc, &rect, (HBRUSH) (COLOR_3DFACE+1)); } #endif draw_theme_background_func(theme, dc, element_part_map[element], part_state, &rect, pClip); gdk_win32_hdc_release(drawable, style->dark_gc[state_type], 0); return TRUE; } gboolean xp_theme_is_drawable (XpThemeElement element) { if (is_theme_active_func) { gboolean active = (*is_theme_active_func) (); /* A bit of a hack, but it at least detects theme switches between XP and classic looks on systems using older GTK+ version (2.2.0-?) that do not support theme switch detection (gdk_window_add_filter). */ if (active != was_theming_active) { xp_theme_reset (); } if (active) { return (xp_theme_get_handle_by_element (element) != NULL); } } return FALSE; } gboolean xp_theme_get_system_font (XpThemeClass klazz, XpThemeFont fontId, LOGFONT *lf) { int themeFont; if (get_theme_sys_font_func != NULL) { HTHEME theme = xp_theme_get_handle_by_class(klazz); 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, DWORD * pColor) { if (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, int * pVal) { if (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; }