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Implement DND for selectable labels.
2004-11-12 Matthias Clasen <mclasen@redhat.com> * gtk/gtklabel.c (gtk_label_button_press, gtk_label_button_release) (gtk_label_drag_data_get): Implement DND for selectable labels.
This commit is contained in:
Matthias Clasen
Matthias Clasen
parent
9e847e411f
commit
cb87aa11c9
@ -2,6 +2,8 @@
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* gtk/gtklabel.c (gtk_label_do_popup): Adjust to the current
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entry popup menu.
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(gtk_label_button_press, gtk_label_button_release)
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(gtk_label_drag_data_get): Implement DND for selectable labels.
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Make GDK+ compile with X11R5 (#148032)
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@ -2,6 +2,8 @@
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* gtk/gtklabel.c (gtk_label_do_popup): Adjust to the current
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entry popup menu.
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(gtk_label_button_press, gtk_label_button_release)
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(gtk_label_drag_data_get): Implement DND for selectable labels.
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Make GDK+ compile with X11R5 (#148032)
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@ -2,6 +2,8 @@
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* gtk/gtklabel.c (gtk_label_do_popup): Adjust to the current
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entry popup menu.
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(gtk_label_button_press, gtk_label_button_release)
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(gtk_label_drag_data_get): Implement DND for selectable labels.
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Make GDK+ compile with X11R5 (#148032)
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@ -2,6 +2,8 @@
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* gtk/gtklabel.c (gtk_label_do_popup): Adjust to the current
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entry popup menu.
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(gtk_label_button_press, gtk_label_button_release)
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(gtk_label_drag_data_get): Implement DND for selectable labels.
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Make GDK+ compile with X11R5 (#148032)
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103
gtk/gtklabel.c
103
gtk/gtklabel.c
@ -57,6 +57,11 @@ struct _GtkLabelSelectionInfo
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gint selection_anchor;
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gint selection_end;
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GtkWidget *popup_menu;
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gint drag_start_x;
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gint drag_start_y;
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guint in_drag : 1;
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};
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enum {
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@ -160,6 +165,12 @@ static gboolean gtk_label_mnemonic_activate (GtkWidget *widget,
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gboolean group_cycling);
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static void gtk_label_setup_mnemonic (GtkLabel *label,
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guint last_key);
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static void gtk_label_drag_data_get (GtkWidget *widget,
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GdkDragContext *context,
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GtkSelectionData *selection_data,
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guint info,
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guint time);
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/* For selectable lables: */
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static void gtk_label_move_cursor (GtkLabel *label,
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@ -261,6 +272,7 @@ gtk_label_class_init (GtkLabelClass *class)
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widget_class->hierarchy_changed = gtk_label_hierarchy_changed;
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widget_class->screen_changed = gtk_label_screen_changed;
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widget_class->mnemonic_activate = gtk_label_mnemonic_activate;
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widget_class->drag_data_get = gtk_label_drag_data_get;
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class->move_cursor = gtk_label_move_cursor;
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class->copy_clipboard = gtk_label_copy_clipboard;
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@ -2497,12 +2509,14 @@ gtk_label_button_press (GtkWidget *widget,
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{
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GtkLabel *label;
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gint index = 0;
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gint min, max;
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label = GTK_LABEL (widget);
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if (label->select_info == NULL)
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return FALSE;
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label->select_info->in_drag = FALSE;
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if (event->button == 1)
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{
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if (!GTK_WIDGET_HAS_FOCUS (widget))
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@ -2522,18 +2536,16 @@ gtk_label_button_press (GtkWidget *widget,
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get_layout_index (label, event->x, event->y, &index);
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if ((label->select_info->selection_anchor !=
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label->select_info->selection_end) &&
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(event->state & GDK_SHIFT_MASK))
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{
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gint min, max;
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/* extend (same as motion) */
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min = MIN (label->select_info->selection_anchor,
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label->select_info->selection_end);
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max = MAX (label->select_info->selection_anchor,
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label->select_info->selection_end);
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if ((label->select_info->selection_anchor !=
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label->select_info->selection_end) &&
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(event->state & GDK_SHIFT_MASK))
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{
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/* extend (same as motion) */
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min = MIN (min, index);
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max = MAX (max, index);
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@ -2553,6 +2565,12 @@ gtk_label_button_press (GtkWidget *widget,
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gtk_label_select_region_index (label, 0, strlen (label->text));
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else if (event->type == GDK_2BUTTON_PRESS)
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gtk_label_select_word (label);
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else if (min < max && min <= index && index <= max)
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{
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label->select_info->in_drag = TRUE;
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label->select_info->drag_start_x = event->x;
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label->select_info->drag_start_y = event->y;
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}
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else
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/* start a replacement */
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gtk_label_select_region_index (label, index, index);
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@ -2575,13 +2593,22 @@ gtk_label_button_release (GtkWidget *widget,
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GdkEventButton *event)
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{
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GtkLabel *label;
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label = GTK_LABEL (widget);
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GtkLabel *label = GTK_LABEL (widget);
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gint index;
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if (label->select_info == NULL)
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return FALSE;
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if (label->select_info->in_drag)
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{
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label->select_info->in_drag = 0;
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get_layout_index (label, event->x, event->y, &index);
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gtk_label_select_region_index (label, index, index);
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return FALSE;
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}
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if (event->button != 1)
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return FALSE;
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@ -2605,17 +2632,44 @@ gtk_label_motion (GtkWidget *widget,
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if (label->select_info == NULL)
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return FALSE;
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if ((event->state & GDK_BUTTON1_MASK) == 0)
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return FALSE;
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gdk_window_get_pointer (label->select_info->window,
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&x, &y, NULL);
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if (label->select_info->in_drag)
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{
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if (gtk_drag_check_threshold (widget,
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label->select_info->drag_start_x,
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label->select_info->drag_start_y,
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event->x, event->y))
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{
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GdkDragContext *context;
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GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
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gtk_target_list_add_text_targets (target_list, 0);
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context = gtk_drag_begin (widget, target_list,
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GDK_ACTION_COPY,
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1, (GdkEvent *)event);
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label->select_info->in_drag = FALSE;
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gtk_target_list_unref (target_list);
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gtk_drag_set_icon_default (context);
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}
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}
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else
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{
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get_layout_index (label, x, y, &index);
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gtk_label_select_region_index (label,
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label->select_info->selection_anchor,
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index);
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}
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return TRUE;
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}
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@ -2753,15 +2807,9 @@ gtk_label_get_selectable (GtkLabel *label)
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}
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static void
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get_text_callback (GtkClipboard *clipboard,
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GtkSelectionData *selection_data,
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guint info,
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gpointer user_data_or_owner)
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gtk_label_set_selection_text (GtkLabel *label,
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GtkSelectionData *selection_data)
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{
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GtkLabel *label;
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label = GTK_LABEL (user_data_or_owner);
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if ((label->select_info->selection_anchor !=
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label->select_info->selection_end) &&
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label->text)
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@ -2788,6 +2836,25 @@ get_text_callback (GtkClipboard *clipboard,
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}
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}
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static void
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gtk_label_drag_data_get (GtkWidget *widget,
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GdkDragContext *context,
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GtkSelectionData *selection_data,
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guint info,
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guint time)
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{
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gtk_label_set_selection_text (GTK_LABEL (widget), selection_data);
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}
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static void
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get_text_callback (GtkClipboard *clipboard,
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GtkSelectionData *selection_data,
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guint info,
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gpointer user_data_or_owner)
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{
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gtk_label_set_selection_text (GTK_LABEL (user_data_or_owner), selection_data);
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}
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static void
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clear_text_callback (GtkClipboard *clipboard,
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gpointer user_data_or_owner)
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