forked from AuroraMiddleware/gtk
win32 theme: Add a GtkWin32Theme object
This object wraps a HTHEME and takes care of recreating it on theme changes.
This commit is contained in:
Benjamin Otte
Benjamin Otte
parent
1519801878
commit
4dfbaccd67
@ -35,8 +35,8 @@ gtk_css_image_win32_draw (GtkCssImage *image,
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cairo_surface_t *surface;
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int dx, dy;
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surface = _gtk_win32_theme_part_create_surface (wimage->theme, wimage->part, wimage->state, wimage->margins,
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width, height, &dx, &dy);
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surface = gtk_win32_theme_create_surface (wimage->theme, wimage->part, wimage->state, wimage->margins,
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width, height, &dx, &dy);
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if (wimage->state2 >= 0)
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{
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@ -44,8 +44,8 @@ gtk_css_image_win32_draw (GtkCssImage *image,
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cairo_t *cr2;
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int dx2, dy2;
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surface2 = _gtk_win32_theme_part_create_surface (wimage->theme, wimage->part2, wimage->state2, wimage->margins,
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width, height, &dx2, &dy2);
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surface2 = gtk_win32_theme_create_surface (wimage->theme, wimage->part2, wimage->state2, wimage->margins,
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width, height, &dx2, &dy2);
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cr2 = cairo_create (surface);
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@ -92,7 +92,7 @@ gtk_css_image_win32_parse (GtkCssImage *image,
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"Expected name as first argument to '-gtk-win32-theme-part'");
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return FALSE;
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}
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wimage->theme = _gtk_win32_lookup_htheme_by_classname (class);
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wimage->theme = gtk_win32_theme_lookup (class);
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g_free (class);
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if (! _gtk_css_parser_try (parser, ",", TRUE))
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@ -214,10 +214,24 @@ gtk_css_image_win32_print (GtkCssImage *image,
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g_string_append (string, "none /* printing win32 theme components is not implemented */");
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}
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static void
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gtk_css_image_win32_finalize (GObject *object)
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{
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GtkCssImageWin32 *wimage = GTK_CSS_IMAGE_WIN32 (object);
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if (wimage->theme)
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gtk_win32_theme_unref (wimage->theme);
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G_OBJECT_CLASS (_gtk_css_image_win32_parent_class)->finalize (object);
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}
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static void
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_gtk_css_image_win32_class_init (GtkCssImageWin32Class *klass)
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{
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GtkCssImageClass *image_class = GTK_CSS_IMAGE_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gtk_css_image_win32_finalize;
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image_class->draw = gtk_css_image_win32_draw;
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image_class->parse = gtk_css_image_win32_parse;
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@ -48,7 +48,7 @@ struct _GtkCssImageWin32
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gint margins[4];
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HTHEME theme;
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GtkWin32Theme *theme;
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};
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struct _GtkCssImageWin32Class
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@ -25,9 +25,12 @@
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#ifdef G_OS_WIN32
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#include <windows.h>
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#include <gdk/win32/gdkwin32.h>
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#include <cairo-win32.h>
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typedef HANDLE HTHEME;
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#define UXTHEME_DLL "uxtheme.dll"
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static HINSTANCE uxtheme_dll = NULL;
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@ -64,7 +67,7 @@ static GetThemeSysFontFunc get_theme_sys_font = NULL;
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static GetThemeSysColorFunc get_theme_sys_color = NULL;
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static GetThemeSysSizeFunc get_theme_sys_metric = NULL;
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static OpenThemeDataFunc open_theme_data = NULL;
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static CloseThemeDataFunc close_theme_data = NULL;
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static CloseThemeDataFunc CloseThemeData = NULL;
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static DrawThemeBackgroundFunc draw_theme_background = NULL;
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static EnableThemeDialogTextureFunc enable_theme_dialog_texture = NULL;
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static IsThemeActiveFunc is_theme_active = NULL;
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@ -73,13 +76,66 @@ static IsThemeBackgroundPartiallyTransparentFunc is_theme_partially_transparent
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static DrawThemeParentBackgroundFunc draw_theme_parent_background = NULL;
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static GetThemePartSizeFunc get_theme_part_size = NULL;
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static GHashTable *hthemes_by_class = NULL;
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#endif
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static GHashTable *themes_by_class = NULL;
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struct _GtkWin32Theme {
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char *class_name;
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gint ref_count;
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#ifdef G_OS_WIN32
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HTHEME htheme;
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#endif
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};
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GtkWin32Theme *
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gtk_win32_theme_ref (GtkWin32Theme *theme)
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{
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theme->ref_count++;
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return theme;
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}
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static gboolean
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gtk_win32_theme_close (GtkWin32Theme *theme)
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{
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#ifdef G_OS_WIN32
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if (theme->htheme)
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{
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CloseThemeData (theme->htheme);
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theme->htheme = NULL;
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return TRUE;
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}
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#endif
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return FALSE;
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}
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void
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gtk_win32_theme_unref (GtkWin32Theme *theme)
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{
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theme->ref_count--;
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if (theme->ref_count > 0)
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return;
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g_hash_table_remove (themes_by_class, theme->class_name);
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gtk_win32_theme_close (theme);
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g_free (theme->class_name);
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g_slice_free (GtkWin32Theme, theme);
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}
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#ifdef G_OS_WIN32
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static GdkFilterReturn
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invalidate_win32_themes (GdkXEvent *xevent,
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GdkEvent *event,
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gpointer unused)
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{
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GHashTableIter iter;
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gboolean theme_was_open = FALSE;
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gpointer theme;
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MSG *msg;
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if (!GDK_IS_WIN32_WINDOW (event->any.window))
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@ -89,11 +145,14 @@ invalidate_win32_themes (GdkXEvent *xevent,
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if (msg->message != WM_THEMECHANGED)
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return GDK_FILTER_CONTINUE;
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if (g_hash_table_size (hthemes_by_class) > 0)
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g_hash_table_iter_init (&iter, themes_by_class);
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while (g_hash_table_iter_next (&iter, NULL, &theme))
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{
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theme_was_open |= gtk_win32_theme_close (theme);
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}
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if (theme_was_open)
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gtk_style_context_reset_widgets (gdk_display_get_default_screen (gdk_window_get_display (event->any.window)));
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g_hash_table_remove_all (hthemes_by_class);
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return GDK_FILTER_CONTINUE;
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}
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@ -134,7 +193,7 @@ _gtk_win32_theme_init (void)
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{
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is_theme_active = (IsThemeActiveFunc) GetProcAddress (uxtheme_dll, "IsThemeActive");
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open_theme_data = (OpenThemeDataFunc) GetProcAddress (uxtheme_dll, "OpenThemeData");
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close_theme_data = (CloseThemeDataFunc) GetProcAddress (uxtheme_dll, "CloseThemeData");
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CloseThemeData = (CloseThemeDataFunc) GetProcAddress (uxtheme_dll, "CloseThemeData");
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draw_theme_background = (DrawThemeBackgroundFunc) GetProcAddress (uxtheme_dll, "DrawThemeBackground");
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enable_theme_dialog_texture = (EnableThemeDialogTextureFunc) GetProcAddress (uxtheme_dll, "EnableThemeDialogTexture");
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get_theme_sys_font = (GetThemeSysFontFunc) GetProcAddress (uxtheme_dll, "GetThemeSysFont");
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@ -154,64 +213,62 @@ _gtk_win32_theme_init (void)
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use_xp_theme = FALSE;
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}
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hthemes_by_class = g_hash_table_new (g_str_hash, g_str_equal);
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themes_by_class = g_hash_table_new (g_str_hash, g_str_equal);
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gdk_window_add_filter (NULL, invalidate_win32_themes, NULL);
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}
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HTHEME
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_gtk_win32_lookup_htheme_by_classname (const char *class)
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static HTHEME
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gtk_win32_theme_get_htheme (GtkWin32Theme *theme)
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{
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HTHEME theme;
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guint16 *wclass;
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char *lower;
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_gtk_win32_theme_init ();
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if (theme->htheme)
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return theme->htheme;
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lower = g_ascii_strdown (class, -1);
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theme = (HTHEME) g_hash_table_lookup (hthemes_by_class, lower);
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if (theme)
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{
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g_free (lower);
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return theme;
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}
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lower = g_ascii_strdown (theme->class_name, -1);
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wclass = g_utf8_to_utf16 (lower, -1, NULL, NULL, NULL);
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theme = open_theme_data (NULL, wclass);
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theme->htheme = open_theme_data (NULL, wclass);
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g_free (wclass);
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g_free (lower);
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if (theme == NULL)
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{
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g_free (lower);
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return NULL;
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}
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/* Takes ownership of lower: */
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g_hash_table_insert (hthemes_by_class, lower, theme);
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return theme;
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}
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#else
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HTHEME
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_gtk_win32_lookup_htheme_by_classname (const char *class)
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{
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return NULL;
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return theme->htheme;
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}
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#endif /* G_OS_WIN32 */
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GtkWin32Theme *
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gtk_win32_theme_lookup (const char *classname)
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{
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GtkWin32Theme *theme;
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_gtk_win32_theme_init ();
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theme = g_hash_table_lookup (themes_by_class, classname);
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if (theme != NULL)
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return gtk_win32_theme_ref (theme);
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theme = g_slice_new0 (GtkWin32Theme);
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theme->ref_count = 1;
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theme->class_name = g_strdup (classname);
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g_hash_table_insert (themes_by_class, theme->class_name, theme);
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return theme;
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}
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cairo_surface_t *
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_gtk_win32_theme_part_create_surface (HTHEME theme,
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int xp_part,
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int state,
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int margins[4],
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int width,
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int height,
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int *x_offs_out,
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int *y_offs_out)
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gtk_win32_theme_create_surface (GtkWin32Theme *theme,
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int xp_part,
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int state,
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int margins[4],
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int width,
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int height,
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int *x_offs_out,
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int *y_offs_out)
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{
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cairo_surface_t *surface;
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GdkRGBA color;
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@ -224,6 +281,7 @@ _gtk_win32_theme_part_create_surface (HTHEME theme,
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RECT rect;
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SIZE size;
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HRESULT res;
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HTHEME htheme;
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#endif
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x_offs = margins[3];
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@ -233,46 +291,51 @@ _gtk_win32_theme_part_create_surface (HTHEME theme,
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height -= margins[0] + margins[2];
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#ifdef G_OS_WIN32
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rect.left = 0;
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rect.top = 0;
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rect.right = width;
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rect.bottom = height;
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hdc = GetDC (NULL);
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res = get_theme_part_size (theme, hdc, xp_part, state, &rect, 2, &size);
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ReleaseDC (NULL, hdc);
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if (res == S_OK)
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htheme = gtk_win32_theme_get_htheme (theme);
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if (htheme)
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{
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x_offs += (width - size.cx) / 2;
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y_offs += (height - size.cy) / 2;
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width = size.cx;
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height = size.cy;
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rect.left = 0;
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rect.top = 0;
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rect.right = width;
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rect.bottom = height;
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hdc = GetDC (NULL);
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res = get_theme_part_size (htheme, hdc, xp_part, state, &rect, 2, &size);
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ReleaseDC (NULL, hdc);
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if (res == S_OK)
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{
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x_offs += (width - size.cx) / 2;
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y_offs += (height - size.cy) / 2;
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width = size.cx;
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height = size.cy;
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rect.right = width;
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rect.bottom = height;
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}
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has_alpha = is_theme_partially_transparent (htheme, xp_part, state);
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if (has_alpha)
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surface = cairo_win32_surface_create_with_dib (CAIRO_FORMAT_ARGB32, width, height);
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else
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surface = cairo_win32_surface_create_with_dib (CAIRO_FORMAT_RGB24, width, height);
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hdc = cairo_win32_surface_get_dc (surface);
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res = draw_theme_background (htheme, hdc, xp_part, state, &rect, &rect);
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*x_offs_out = x_offs;
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*y_offs_out = y_offs;
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if (res == S_OK)
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return surface;
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}
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has_alpha = is_theme_partially_transparent (theme, xp_part, state);
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if (has_alpha)
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surface = cairo_win32_surface_create_with_dib (CAIRO_FORMAT_ARGB32, width, height);
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else
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surface = cairo_win32_surface_create_with_dib (CAIRO_FORMAT_RGB24, width, height);
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hdc = cairo_win32_surface_get_dc (surface);
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res = draw_theme_background (theme, hdc, xp_part, state, &rect, &rect);
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*x_offs_out = x_offs;
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*y_offs_out = y_offs;
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if (res == S_OK)
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return surface;
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#else /* !G_OS_WIN32 */
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surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
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#endif /* G_OS_WIN32 */
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{
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surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
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}
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cr = cairo_create (surface);
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@ -293,8 +356,12 @@ int
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_gtk_win32_theme_int_parse (GtkCssParser *parser,
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int *value)
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{
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char *class;
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char *theme_class;
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int arg;
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#ifdef G_OS_WIN32
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GtkWin32Theme *theme;
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HTHEME htheme;
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#endif
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if (_gtk_css_parser_try (parser,
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"-gtk-win32-size",
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@ -307,8 +374,8 @@ _gtk_win32_theme_int_parse (GtkCssParser *parser,
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return 0;
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}
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class = _gtk_css_parser_try_name (parser, TRUE);
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if (class == NULL)
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theme_class = _gtk_css_parser_try_name (parser, TRUE);
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if (theme_class == NULL)
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{
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_gtk_css_parser_error (parser,
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"Expected name as first argument to '-gtk-win32-size'");
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@ -317,7 +384,7 @@ _gtk_win32_theme_int_parse (GtkCssParser *parser,
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if (! _gtk_css_parser_try (parser, ",", TRUE))
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{
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g_free (class);
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g_free (theme_class);
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_gtk_css_parser_error (parser,
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"Expected ','");
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return 0;
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@ -325,33 +392,38 @@ _gtk_win32_theme_int_parse (GtkCssParser *parser,
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if (!_gtk_css_parser_try_int (parser, &arg))
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{
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g_free (class);
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g_free (theme_class);
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_gtk_css_parser_error (parser, "Expected a valid integer value");
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return 0;
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}
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if (!_gtk_css_parser_try (parser, ")", TRUE))
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{
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g_free (theme_class);
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_gtk_css_parser_error (parser,
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"Expected ')'");
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return 0;
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}
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#ifdef G_OS_WIN32
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theme = gtk_win32_theme_lookup (theme_class);
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if (use_xp_theme && get_theme_sys_metric != NULL)
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{
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HTHEME theme = _gtk_win32_lookup_htheme_by_classname (class);
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{
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htheme = gtk_win32_theme_get_htheme (theme);
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/* If theme is NULL it will just return the GetSystemMetrics value */
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*value = get_theme_sys_metric (theme, arg);
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/* If htheme is NULL it will just return the GetSystemMetrics value */
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*value = get_theme_sys_metric (htheme, arg);
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}
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else
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*value = GetSystemMetrics (arg);
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gtk_win32_theme_unref (theme);
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#else
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*value = 1;
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#endif
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g_free (class);
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g_free (theme_class);
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return 1;
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}
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@ -365,19 +437,24 @@ _gtk_win32_theme_color_resolve (const char *theme_class,
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GdkRGBA *color)
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{
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#ifdef G_OS_WIN32
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GtkWin32Theme *theme;
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HTHEME htheme;
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DWORD dcolor;
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theme = gtk_win32_theme_lookup (theme_class);
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if (use_xp_theme && get_theme_sys_color != NULL)
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{
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HTHEME theme = _gtk_win32_lookup_htheme_by_classname (theme_class);
|
||||
htheme = gtk_win32_theme_get_htheme (theme);
|
||||
|
||||
/* if theme is NULL, it will just return the GetSystemColor()
|
||||
/* if htheme is NULL, it will just return the GetSystemColor()
|
||||
value */
|
||||
dcolor = get_theme_sys_color (theme, id);
|
||||
dcolor = get_theme_sys_color (htheme, id);
|
||||
}
|
||||
else
|
||||
dcolor = GetSysColor (id);
|
||||
|
||||
gtk_win32_theme_unref (theme);
|
||||
|
||||
color->alpha = 1.0;
|
||||
color->red = GetRValue (dcolor) / 255.0;
|
||||
color->green = GetGValue (dcolor) / 255.0;
|
||||
|
||||
@ -22,31 +22,25 @@
|
||||
|
||||
#include "gtkcssparserprivate.h"
|
||||
|
||||
#ifdef G_OS_WIN32
|
||||
|
||||
#include <windows.h>
|
||||
|
||||
typedef HANDLE HTHEME;
|
||||
|
||||
#else /* !G_OS_WIN32 */
|
||||
|
||||
typedef void * HTHEME;
|
||||
|
||||
#endif /* G_OS_WIN32 */
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
typedef struct _GtkWin32Theme GtkWin32Theme;
|
||||
|
||||
#define GTK_WIN32_THEME_SYMBOLIC_COLOR_NAME "-gtk-win32-color"
|
||||
|
||||
HTHEME _gtk_win32_lookup_htheme_by_classname (const char *classname);
|
||||
cairo_surface_t * _gtk_win32_theme_part_create_surface (HTHEME theme,
|
||||
int xp_part,
|
||||
int state,
|
||||
int margins[4],
|
||||
int width,
|
||||
int height,
|
||||
int *x_offs_out,
|
||||
int *y_offs_out);
|
||||
GtkWin32Theme * gtk_win32_theme_lookup (const char *classname);
|
||||
|
||||
GtkWin32Theme * gtk_win32_theme_ref (GtkWin32Theme *theme);
|
||||
void gtk_win32_theme_unref (GtkWin32Theme *theme);
|
||||
|
||||
cairo_surface_t * gtk_win32_theme_create_surface (GtkWin32Theme *theme,
|
||||
int xp_part,
|
||||
int state,
|
||||
int margins[4],
|
||||
int width,
|
||||
int height,
|
||||
int *x_offs_out,
|
||||
int *y_offs_out);
|
||||
|
||||
int _gtk_win32_theme_int_parse (GtkCssParser *parser,
|
||||
int *value);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user