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filechooserbutton: Fix drag highlight problems

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This widget is a bit unusual in that it is a box that acts as
the drop target, while the visible content is a child of the box.
Propagate :drop(active) to the child to make the highlight visible.
This commit is contained in:
Matthias Clasen
2016-03-11 08:50:38 -05:00
parent e8c5db0425
commit 4c3e4d3ea1
1 changed files with 24 additions and 0 deletions
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24
gtk/gtkfilechooserbutton.c
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@ -278,6 +278,8 @@ static gboolean gtk_file_chooser_button_mnemonic_activate (GtkWidget *wi
static void gtk_file_chooser_button_style_updated (GtkWidget *widget);
static void gtk_file_chooser_button_screen_changed (GtkWidget *widget,
GdkScreen *old_screen);
static void gtk_file_chooser_button_state_flags_changed (GtkWidget *widget,
GtkStateFlags previous_state);
/* Utility Functions */
static GtkIconTheme *get_icon_theme (GtkWidget *widget);
@ -386,6 +388,7 @@ gtk_file_chooser_button_class_init (GtkFileChooserButtonClass * class)
widget_class->style_updated = gtk_file_chooser_button_style_updated;
widget_class->screen_changed = gtk_file_chooser_button_screen_changed;
widget_class->mnemonic_activate = gtk_file_chooser_button_mnemonic_activate;
widget_class->state_flags_changed = gtk_file_chooser_button_state_flags_changed;
/**
* GtkFileChooserButton::file-set:
@ -995,6 +998,27 @@ gtk_file_chooser_button_finalize (GObject *object)
* GtkWidget Functions *
* ********************* */
static void
gtk_file_chooser_button_state_flags_changed (GtkWidget *widget,
GtkStateFlags previous_state)
{
GtkFileChooserButton *button = GTK_FILE_CHOOSER_BUTTON (widget);
GtkFileChooserButtonPrivate *priv = button->priv;
GtkWidget *child;
if (gtk_widget_get_visible (priv->button))
child = priv->button;
else
child = priv->combo_box;
if (gtk_widget_get_state_flags (widget) & GTK_STATE_FLAG_DROP_ACTIVE)
gtk_widget_set_state_flags (child, GTK_STATE_FLAG_DROP_ACTIVE, FALSE);
else
gtk_widget_unset_state_flags (child, GTK_STATE_FLAG_DROP_ACTIVE);
GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->state_flags_changed (widget, previous_state);
}
static void
gtk_file_chooser_button_destroy (GtkWidget *widget)
{