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entry: Use GtkSelectionWindow for touch text selection

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This enables touch devices to manipulate the text selection
This commit is contained in:
Carlos Garnacho 2013-01-11 17:35:32 +01:00 committed by Matthias Clasen
parent 7260e0570c
commit 6767541ead
1 changed files with 142 additions and 5 deletions
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147
gtk/gtkentry.c
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@ -66,6 +66,7 @@
#include "gtkwidgetprivate.h"
#include "gtkstylecontextprivate.h"
#include "gtktexthandleprivate.h"
#include "gtkselectionwindow.h"
#include "a11y/gtkentryaccessible.h"
@ -158,7 +159,10 @@ struct _GtkEntryPrivate
gchar *placeholder_text;
GtkBubbleWindow *bubble_window;
GtkTextHandle *text_handle;
GtkWidget *selection_bubble;
guint selection_bubble_timeout_id;
gfloat xalign;
@ -592,6 +596,12 @@ static void gtk_entry_handle_dragged (GtkTextHandle *h
gint x,
gint y,
GtkEntry *entry);
static void gtk_entry_handle_drag_finished (GtkTextHandle *handle,
GtkTextHandlePosition pos,
GtkEntry *entry);
static void gtk_entry_selection_bubble_popup_set (GtkEntry *entry);
static void gtk_entry_selection_bubble_popup_unset (GtkEntry *entry);
static void begin_change (GtkEntry *entry);
static void end_change (GtkEntry *entry);
@ -2575,6 +2585,8 @@ gtk_entry_init (GtkEntry *entry)
priv->text_handle = _gtk_text_handle_new (GTK_WIDGET (entry));
g_signal_connect (priv->text_handle, "handle-dragged",
G_CALLBACK (gtk_entry_handle_dragged), entry);
g_signal_connect (priv->text_handle, "drag-finished",
G_CALLBACK (gtk_entry_handle_drag_finished), entry);
}
static void
@ -2811,6 +2823,9 @@ gtk_entry_finalize (GObject *object)
if (priv->recompute_idle)
g_source_remove (priv->recompute_idle);
if (priv->selection_bubble)
gtk_widget_destroy (priv->selection_bubble);
g_object_unref (priv->text_handle);
g_free (priv->placeholder_text);
g_free (priv->im_module);
@ -4018,6 +4033,8 @@ gtk_entry_button_press (GtkWidget *widget,
gint sel_start, sel_end;
gint i;
gtk_entry_selection_bubble_popup_unset (entry);
for (i = 0; i < MAX_ICONS; i++)
{
icon_info = priv->icons[i];
@ -4222,6 +4239,8 @@ gtk_entry_button_release (GtkWidget *widget,
GtkEntry *entry = GTK_ENTRY (widget);
GtkEntryPrivate *priv = entry->priv;
EntryIconInfo *icon_info = NULL;
gboolean is_touchscreen;
GdkDevice *source;
gint i;
for (i = 0; i < MAX_ICONS; i++)
@ -4254,21 +4273,23 @@ gtk_entry_button_release (GtkWidget *widget,
if (event->window != priv->text_area || priv->button != event->button)
return FALSE;
source = gdk_event_get_source_device ((GdkEvent *) event);
is_touchscreen = (test_touchscreen ||
gdk_device_get_source (source) == GDK_SOURCE_TOUCHSCREEN);
if (priv->in_drag)
{
gint tmp_pos = gtk_entry_find_position (entry, priv->drag_start_x);
GdkDevice *source;
gtk_editable_set_position (GTK_EDITABLE (entry), tmp_pos);
source = gdk_event_get_source_device ((GdkEvent *) event);
if (test_touchscreen ||
gdk_device_get_source (source) == GDK_SOURCE_TOUCHSCREEN)
if (is_touchscreen)
gtk_entry_update_handles (entry, GTK_TEXT_HANDLE_MODE_CURSOR);
priv->in_drag = 0;
}
else if (is_touchscreen)
gtk_entry_selection_bubble_popup_set (entry);
priv->button = 0;
priv->device = NULL;
@ -4493,6 +4514,8 @@ gtk_entry_key_press (GtkWidget *widget,
gtk_entry_reset_blink_time (entry);
gtk_entry_pend_cursor_blink (entry);
gtk_entry_selection_bubble_popup_unset (entry);
if (!event->send_event)
_gtk_text_handle_set_mode (priv->text_handle,
GTK_TEXT_HANDLE_MODE_NONE);
@ -4590,6 +4613,7 @@ gtk_entry_focus_out (GtkWidget *widget,
GtkEntryCompletion *completion;
GdkKeymap *keymap;
gtk_entry_selection_bubble_popup_unset (entry);
_gtk_text_handle_set_mode (priv->text_handle,
GTK_TEXT_HANDLE_MODE_NONE);
@ -5499,6 +5523,8 @@ gtk_entry_cut_clipboard (GtkEntry *entry)
{
gtk_widget_error_bell (GTK_WIDGET (entry));
}
gtk_entry_selection_bubble_popup_unset (entry);
}
static void
@ -6227,6 +6253,8 @@ gtk_entry_handle_dragged (GtkTextHandle *handle,
GtkTextHandleMode mode;
gint *min, *max;
gtk_entry_selection_bubble_popup_unset (entry);
cursor_pos = priv->current_pos;
selection_bound_pos = priv->selection_bound;
mode = _gtk_text_handle_get_mode (handle);
@ -6279,6 +6307,15 @@ gtk_entry_handle_dragged (GtkTextHandle *handle,
}
}
static void
gtk_entry_handle_drag_finished (GtkTextHandle *handle,
GtkTextHandlePosition pos,
GtkEntry *entry)
{
gtk_entry_selection_bubble_popup_set (entry);
}
/**
* gtk_entry_reset_im_context:
* @entry: a #GtkEntry
@ -9219,6 +9256,106 @@ gtk_entry_popup_menu (GtkWidget *widget)
return TRUE;
}
static gboolean
gtk_entry_selection_bubble_popup_cb (gpointer user_data)
{
GtkEntry *entry = user_data;
GtkEntryPrivate *priv = entry->priv;
cairo_rectangle_int_t rect;
GtkAllocation allocation;
gint start_x, end_x;
gboolean has_selection;
has_selection = gtk_editable_get_selection_bounds (GTK_EDITABLE (entry),
NULL, NULL);
if (!has_selection && !priv->editable)
{
priv->selection_bubble_timeout_id = 0;
return FALSE;
}
if (priv->selection_bubble)
gtk_widget_destroy (priv->selection_bubble);
priv->selection_bubble = gtk_selection_window_new ();
g_signal_connect_swapped (priv->selection_bubble, "cut",
G_CALLBACK (gtk_entry_cut_clipboard),
entry);
g_signal_connect_swapped (priv->selection_bubble, "copy",
G_CALLBACK (gtk_entry_copy_clipboard),
entry);
g_signal_connect_swapped (priv->selection_bubble, "paste",
G_CALLBACK (gtk_entry_paste_clipboard),
entry);
gtk_selection_window_set_editable (GTK_SELECTION_WINDOW (priv->selection_bubble),
priv->editable);
gtk_selection_window_set_has_selection (GTK_SELECTION_WINDOW (priv->selection_bubble),
has_selection);
gtk_widget_get_allocation (GTK_WIDGET (entry), &allocation);
gtk_entry_get_cursor_locations (entry, CURSOR_STANDARD, &start_x, NULL);
start_x -= priv->scroll_offset;
start_x = CLAMP (start_x, 0, gdk_window_get_width (priv->text_area));
rect.y = 0;
rect.height = gdk_window_get_height (priv->text_area);
if (has_selection)
{
end_x = gtk_entry_get_selection_bound_location (entry) - priv->scroll_offset;
end_x = CLAMP (end_x, 0, gdk_window_get_width (priv->text_area));
rect.x = MIN (start_x, end_x);
rect.width = MAX (start_x, end_x) - rect.x;
}
else
{
rect.x = start_x;
rect.width = 0;
}
gtk_bubble_window_popup (GTK_BUBBLE_WINDOW (priv->selection_bubble),
priv->text_area, &rect, GTK_POS_TOP);
priv->selection_bubble_timeout_id = 0;
return FALSE;
}
static void
gtk_entry_selection_bubble_popup_unset (GtkEntry *entry)
{
GtkEntryPrivate *priv;
priv = entry->priv;
if (priv->selection_bubble)
gtk_bubble_window_popdown (GTK_BUBBLE_WINDOW (priv->selection_bubble));
if (priv->selection_bubble_timeout_id)
{
g_source_remove (priv->selection_bubble_timeout_id);
priv->selection_bubble_timeout_id = 0;
}
}
static void
gtk_entry_selection_bubble_popup_set (GtkEntry *entry)
{
GtkEntryPrivate *priv;
priv = entry->priv;
if (priv->selection_bubble_timeout_id)
g_source_remove (priv->selection_bubble_timeout_id);
priv->selection_bubble_timeout_id =
gdk_threads_add_timeout_seconds (1, gtk_entry_selection_bubble_popup_cb,
entry);
}
static void
gtk_entry_drag_begin (GtkWidget *widget,
GdkDragContext *context)