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text: Port to GtkDropTarget
This commit is contained in:
Matthias Clasen
parent
025eee112c
commit
6e602e052b
201
gtk/gtktext.c
201
gtk/gtktext.c
@ -68,6 +68,7 @@
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#include "gtknative.h"
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#include "gtkactionmuxerprivate.h"
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#include "gtkdragsource.h"
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#include "gtkdragdest.h"
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#include "a11y/gtktextaccessible.h"
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@ -332,19 +333,16 @@ static void gtk_text_state_flags_changed (GtkWidget *widget,
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GtkStateFlags previous_state);
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static void gtk_text_root (GtkWidget *widget);
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static gboolean gtk_text_drag_drop (GtkWidget *widget,
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GdkDrop *drop,
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static gboolean gtk_text_drag_drop (GtkDropTarget *dest,
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int x,
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int y);
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static gboolean gtk_text_drag_motion (GtkWidget *widget,
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GdkDrop *drop,
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int y,
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GtkText *text);
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static gboolean gtk_text_drag_motion (GtkDropTarget *dest,
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int x,
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int y);
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static void gtk_text_drag_leave (GtkWidget *widget,
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GdkDrop *drop);
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static void gtk_text_drag_data_received (GtkWidget *widget,
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GdkDrop *drop,
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GtkSelectionData *selection_data);
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int y,
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GtkText *text);
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static void gtk_text_drag_leave (GtkDropTarget *dest,
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GtkText *text);
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/* GtkEditable method implementations
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@ -726,10 +724,6 @@ gtk_text_class_init (GtkTextClass *class)
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widget_class->root = gtk_text_root;
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widget_class->mnemonic_activate = gtk_text_mnemonic_activate;
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widget_class->popup_menu = gtk_text_popup_menu;
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widget_class->drag_drop = gtk_text_drag_drop;
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widget_class->drag_motion = gtk_text_drag_motion;
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widget_class->drag_leave = gtk_text_drag_leave;
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widget_class->drag_data_received = gtk_text_drag_data_received;
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class->move_cursor = gtk_text_move_cursor;
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class->insert_at_cursor = gtk_text_insert_at_cursor;
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@ -1710,6 +1704,8 @@ gtk_text_init (GtkText *self)
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GtkGesture *gesture;
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GtkEventController *controller;
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int i;
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GtkDropTarget *dest;
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GdkContentFormats *formats;
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gtk_widget_set_can_focus (GTK_WIDGET (self), TRUE);
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gtk_widget_set_overflow (GTK_WIDGET (self), GTK_OVERFLOW_HIDDEN);
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@ -1730,9 +1726,14 @@ gtk_text_init (GtkText *self)
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priv->selection_content = g_object_new (GTK_TYPE_TEXT_CONTENT, NULL);
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GTK_TEXT_CONTENT (priv->selection_content)->self = self;
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gtk_drag_dest_set (GTK_WIDGET (self), 0, NULL,
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GDK_ACTION_COPY | GDK_ACTION_MOVE);
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gtk_drag_dest_add_text_targets (GTK_WIDGET (self));
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formats = gdk_content_formats_new (NULL, 0);
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formats = gtk_content_formats_add_text_targets (formats);
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dest = gtk_drop_target_new (0, formats, GDK_ACTION_COPY | GDK_ACTION_MOVE);
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g_signal_connect (dest, "drag-motion", G_CALLBACK (gtk_text_drag_motion), self);
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g_signal_connect (dest, "drag-leave", G_CALLBACK (gtk_text_drag_leave), self);
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g_signal_connect (dest, "drag-drop", G_CALLBACK (gtk_text_drag_drop), self);
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gdk_content_formats_unref (formats);
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gtk_drop_target_attach (dest, GTK_WIDGET (self));
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/* This object is completely private. No external entity can gain a reference
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* to it; so we create it here and destroy it in finalize().
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@ -6106,90 +6107,17 @@ gtk_text_selection_bubble_popup_set (GtkText *self)
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}
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static void
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gtk_text_drag_leave (GtkWidget *widget,
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GdkDrop *drop)
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gtk_text_drag_leave (GtkDropTarget *dest,
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GtkText *self)
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{
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GtkText *self = GTK_TEXT (widget);
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GtkTextPrivate *priv = gtk_text_get_instance_private (self);
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GtkWidget *widget = GTK_WIDGET (self);
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gtk_drag_unhighlight (widget);
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priv->dnd_position = -1;
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gtk_widget_queue_draw (widget);
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}
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static gboolean
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gtk_text_drag_drop (GtkWidget *widget,
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GdkDrop *drop,
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int x,
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int y)
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{
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GtkText *self = GTK_TEXT (widget);
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GtkTextPrivate *priv = gtk_text_get_instance_private (self);
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GdkAtom target = NULL;
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if (priv->editable)
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target = gtk_drag_dest_find_target (widget, drop, NULL);
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if (target != NULL)
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{
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priv->drop_position = gtk_text_find_position (self, x + priv->scroll_offset);
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gtk_drag_get_data (widget, drop, target);
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}
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else
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gdk_drop_finish (drop, 0);
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return TRUE;
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}
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static gboolean
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gtk_text_drag_motion (GtkWidget *widget,
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GdkDrop *drop,
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int x,
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int y)
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{
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GtkText *self = GTK_TEXT (widget);
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GtkTextPrivate *priv = gtk_text_get_instance_private (self);
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GdkDragAction suggested_action;
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int new_position, old_position;
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old_position = priv->dnd_position;
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new_position = gtk_text_find_position (self, x + priv->scroll_offset);
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if (priv->editable &&
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gtk_drag_dest_find_target (widget, drop, NULL) != NULL)
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{
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suggested_action = GDK_ACTION_COPY | GDK_ACTION_MOVE;
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if (priv->selection_bound == priv->current_pos ||
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new_position < priv->selection_bound ||
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new_position > priv->current_pos)
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{
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priv->dnd_position = new_position;
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}
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else
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{
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priv->dnd_position = -1;
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}
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}
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else
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{
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/* Entry not editable, or no text */
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suggested_action = 0;
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priv->dnd_position = -1;
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}
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gdk_drop_status (drop, suggested_action);
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if (suggested_action == 0)
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gtk_drag_unhighlight (widget);
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else
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gtk_drag_highlight (widget);
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if (priv->dnd_position != old_position)
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gtk_widget_queue_draw (widget);
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return TRUE;
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}
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static GdkDragAction
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gtk_text_get_action (GtkText *self,
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GdkDrop *drop)
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@ -6218,19 +6146,20 @@ gtk_text_get_action (GtkText *self,
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}
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static void
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gtk_text_drag_data_received (GtkWidget *widget,
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GdkDrop *drop,
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GtkSelectionData *selection_data)
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got_text (GObject *source,
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GAsyncResult *result,
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gpointer data)
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{
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GtkText *self = GTK_TEXT (widget);
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GdkDrop *drop = GDK_DROP (source);
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GtkText *self = GTK_TEXT (data);
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GtkTextPrivate *priv = gtk_text_get_instance_private (self);
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GdkDragAction action;
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char *str;
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GdkDragAction action;
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str = (char *) gtk_selection_data_get_text (selection_data);
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str = gdk_drop_read_text_finish (drop, result, NULL);
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action = gtk_text_get_action (self, drop);
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if (action && str && priv->editable)
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if (action && str)
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{
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int length = -1;
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int pos;
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@ -6265,6 +6194,76 @@ gtk_text_drag_data_received (GtkWidget *widget,
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g_free (str);
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}
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static gboolean
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gtk_text_drag_drop (GtkDropTarget *dest,
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int x,
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int y,
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GtkText *self)
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{
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GtkTextPrivate *priv = gtk_text_get_instance_private (self);
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GdkDrop *drop = gtk_drop_target_get_drop (dest);
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if (priv->editable && gdk_drop_has_value (drop, G_TYPE_STRING))
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{
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priv->drop_position = gtk_text_find_position (self, x + priv->scroll_offset);
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gdk_drop_read_text_async (drop, NULL, got_text, self);
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}
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else
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gdk_drop_finish (drop, 0);
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return TRUE;
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}
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static gboolean
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gtk_text_drag_motion (GtkDropTarget *dest,
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int x,
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int y,
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GtkText *self)
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{
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GtkTextPrivate *priv = gtk_text_get_instance_private (self);
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GdkDrop *drop = gtk_drop_target_get_drop (dest);
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GtkWidget *widget = GTK_WIDGET (self);
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GdkDragAction suggested_action;
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int new_position, old_position;
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old_position = priv->dnd_position;
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new_position = gtk_text_find_position (self, x + priv->scroll_offset);
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if (priv->editable &&
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gtk_drop_target_find_mimetype (dest) != NULL)
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{
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suggested_action = GDK_ACTION_COPY | GDK_ACTION_MOVE;
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if (priv->selection_bound == priv->current_pos ||
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new_position < priv->selection_bound ||
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new_position > priv->current_pos)
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{
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priv->dnd_position = new_position;
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}
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else
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{
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priv->dnd_position = -1;
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}
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}
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else
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{
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/* Entry not editable, or no text */
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suggested_action = 0;
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priv->dnd_position = -1;
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}
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gdk_drop_status (drop, suggested_action);
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if (suggested_action == 0)
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gtk_drag_unhighlight (widget);
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else
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gtk_drag_highlight (widget);
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if (priv->dnd_position != old_position)
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gtk_widget_queue_draw (widget);
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return TRUE;
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}
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/* We display the cursor when
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*
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* - the selection is empty, AND
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