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Improve CSS styling of touch text selection handles

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Don't hook on the widget style context and set up instead
a widget path for itself. Also use a common style class
for both handles, with an extra top/bottom class for each
handle.
This commit is contained in:
Carlos Garnacho 2012-09-03 17:03:52 +02:00
parent 28bc9c4525
commit 81045779f6
2 changed files with 28 additions and 19 deletions
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8
gtk/gtkstylecontext.h
View File

@ -709,14 +709,6 @@ struct _GtkStyleContextClass
*/ */
#define GTK_STYLE_CLASS_CURSOR_HANDLE "cursor-handle" #define GTK_STYLE_CLASS_CURSOR_HANDLE "cursor-handle"
/**
* GTK_STYLE_CLASS_INVERTED_CURSOR_HANDLE:
*
* A CSS class used when rendering a drag handle for
* text selection.
*/
#define GTK_STYLE_CLASS_INVERTED_CURSOR_HANDLE "inverted-cursor-handle"
/* Predefined set of widget regions */ /* Predefined set of widget regions */
/** /**

39
gtk/gtktexthandle.c
View File

@ -53,6 +53,7 @@ struct _GtkTextHandlePrivate
HandleWindow windows[2]; HandleWindow windows[2];
GtkWidget *parent; GtkWidget *parent;
GdkWindow *relative_to; GdkWindow *relative_to;
GtkStyleContext *style_context;
gulong draw_signal_id; gulong draw_signal_id;
gulong event_signal_id; gulong event_signal_id;
@ -93,7 +94,6 @@ _gtk_text_handle_draw (GtkTextHandle *handle,
GtkTextHandlePosition pos) GtkTextHandlePosition pos)
{ {
GtkTextHandlePrivate *priv; GtkTextHandlePrivate *priv;
GtkStyleContext *context;
gint width, height; gint width, height;
priv = handle->priv; priv = handle->priv;
@ -103,19 +103,21 @@ _gtk_text_handle_draw (GtkTextHandle *handle,
cairo_set_source_rgba (cr, 0, 0, 0, 0); cairo_set_source_rgba (cr, 0, 0, 0, 0);
cairo_paint (cr); cairo_paint (cr);
context = gtk_widget_get_style_context (priv->parent); gtk_style_context_save (priv->style_context);
gtk_style_context_save (context); gtk_style_context_add_class (priv->style_context,
GTK_STYLE_CLASS_CURSOR_HANDLE);
if (pos == GTK_TEXT_HANDLE_POSITION_SELECTION_END) if (pos == GTK_TEXT_HANDLE_POSITION_SELECTION_END)
gtk_style_context_add_class (context, GTK_STYLE_CLASS_CURSOR_HANDLE); gtk_style_context_add_class (priv->style_context,
GTK_STYLE_CLASS_BOTTOM);
else else
gtk_style_context_add_class (context, GTK_STYLE_CLASS_INVERTED_CURSOR_HANDLE); gtk_style_context_add_class (priv->style_context,
GTK_STYLE_CLASS_TOP);
_gtk_text_handle_get_size (handle, &width, &height); _gtk_text_handle_get_size (handle, &width, &height);
gtk_render_slider (context, cr, 0, 0, width, height, gtk_render_background (priv->style_context, cr, 0, 0, width, height);
GTK_ORIENTATION_HORIZONTAL);
gtk_style_context_restore (context); gtk_style_context_restore (priv->style_context);
cairo_restore (cr); cairo_restore (cr);
} }
@ -317,6 +319,9 @@ _gtk_text_handle_update_window (GtkTextHandle *handle,
static void static void
_gtk_text_handle_update_windows (GtkTextHandle *handle) _gtk_text_handle_update_windows (GtkTextHandle *handle)
{ {
GtkTextHandlePrivate *priv = handle->priv;
gtk_style_context_invalidate (priv->style_context);
_gtk_text_handle_update_window (handle, GTK_TEXT_HANDLE_POSITION_SELECTION_START); _gtk_text_handle_update_window (handle, GTK_TEXT_HANDLE_POSITION_SELECTION_START);
_gtk_text_handle_update_window (handle, GTK_TEXT_HANDLE_POSITION_SELECTION_END); _gtk_text_handle_update_window (handle, GTK_TEXT_HANDLE_POSITION_SELECTION_END);
} }
@ -375,6 +380,8 @@ gtk_text_handle_finalize (GObject *object)
if (g_signal_handler_is_connected (priv->parent, priv->style_updated_id)) if (g_signal_handler_is_connected (priv->parent, priv->style_updated_id))
g_signal_handler_disconnect (priv->parent, priv->style_updated_id); g_signal_handler_disconnect (priv->parent, priv->style_updated_id);
g_object_unref (priv->style_context);
G_OBJECT_CLASS (_gtk_text_handle_parent_class)->finalize (object); G_OBJECT_CLASS (_gtk_text_handle_parent_class)->finalize (object);
} }
@ -478,9 +485,19 @@ _gtk_text_handle_class_init (GtkTextHandleClass *klass)
static void static void
_gtk_text_handle_init (GtkTextHandle *handle) _gtk_text_handle_init (GtkTextHandle *handle)
{ {
handle->priv = G_TYPE_INSTANCE_GET_PRIVATE (handle, GtkTextHandlePrivate *priv;
GTK_TYPE_TEXT_HANDLE, GtkWidgetPath *path;
GtkTextHandlePrivate);
handle->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE (handle,
GTK_TYPE_TEXT_HANDLE,
GtkTextHandlePrivate);
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_TEXT_HANDLE);
priv->style_context = gtk_style_context_new ();
gtk_style_context_set_path (priv->style_context, path);
gtk_widget_path_free (path);
} }
GtkTextHandle * GtkTextHandle *