forked from AuroraMiddleware/gtk
1803 lines
48 KiB
C
1803 lines
48 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <ctype.h>
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#include <string.h>
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#ifdef USE_XIM
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#include "gdk/gdkx.h"
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#endif
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#include "gdk/gdkkeysyms.h"
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#include "gdk/gdki18n.h"
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#include "gtkentry.h"
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#include "gtkmain.h"
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#include "gtkselection.h"
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#include "gtksignal.h"
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#define MIN_ENTRY_WIDTH 150
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#define DRAW_TIMEOUT 20
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#define INNER_BORDER 2
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enum {
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ACTIVATE,
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LAST_SIGNAL
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};
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static void gtk_entry_class_init (GtkEntryClass *klass);
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static void gtk_entry_init (GtkEntry *entry);
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static void gtk_entry_finalize (GtkObject *object);
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static void gtk_entry_realize (GtkWidget *widget);
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static void gtk_entry_unrealize (GtkWidget *widget);
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static void gtk_entry_draw_focus (GtkWidget *widget);
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static void gtk_entry_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_entry_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static void gtk_entry_make_backing_pixmap (GtkEntry *entry,
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gint width, gint height);
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static void gtk_entry_draw (GtkWidget *widget,
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GdkRectangle *area);
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static gint gtk_entry_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static gint gtk_entry_button_press (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_entry_button_release (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_entry_motion_notify (GtkWidget *widget,
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GdkEventMotion *event);
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static gint gtk_entry_key_press (GtkWidget *widget,
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GdkEventKey *event);
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static gint gtk_entry_focus_in (GtkWidget *widget,
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GdkEventFocus *event);
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static gint gtk_entry_focus_out (GtkWidget *widget,
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GdkEventFocus *event);
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static void gtk_entry_draw_text (GtkEntry *entry);
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static void gtk_entry_draw_cursor (GtkEntry *entry);
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static void gtk_entry_draw_cursor_on_drawable
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(GtkEntry *entry,
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GdkDrawable *drawable);
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static void gtk_entry_queue_draw (GtkEntry *entry);
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static gint gtk_entry_timer (gpointer data);
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static gint gtk_entry_position (GtkEntry *entry,
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gint x);
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void gtk_entry_adjust_scroll (GtkEntry *entry);
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static void gtk_entry_grow_text (GtkEntry *entry);
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static void gtk_entry_insert_text (GtkEditable *editable,
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const gchar *new_text,
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gint new_text_length,
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gint *position);
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static void gtk_entry_delete_text (GtkEditable *editable,
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gint start_pos,
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gint end_pos);
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static void gtk_entry_update_text (GtkEditable *editable,
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gint start_pos,
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gint end_pos);
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static gchar *gtk_entry_get_chars (GtkEditable *editable,
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gint start_pos,
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gint end_pos);
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static gint move_backward_character (gchar *str, gint index);
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static void gtk_move_forward_character (GtkEntry *entry);
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static void gtk_move_backward_character (GtkEntry *entry);
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static void gtk_move_forward_word (GtkEntry *entry);
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static void gtk_move_backward_word (GtkEntry *entry);
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static void gtk_move_beginning_of_line (GtkEntry *entry);
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static void gtk_move_end_of_line (GtkEntry *entry);
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static void gtk_delete_forward_character (GtkEntry *entry);
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static void gtk_delete_backward_character (GtkEntry *entry);
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static void gtk_delete_forward_word (GtkEntry *entry);
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static void gtk_delete_backward_word (GtkEntry *entry);
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static void gtk_delete_line (GtkEntry *entry);
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static void gtk_delete_to_line_end (GtkEntry *entry);
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static void gtk_select_word (GtkEntry *entry);
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static void gtk_select_line (GtkEntry *entry);
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static void gtk_entry_set_selection (GtkEditable *editable,
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gint start,
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gint end);
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static GtkWidgetClass *parent_class = NULL;
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static gint entry_signals[LAST_SIGNAL] = { 0 };
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static GdkAtom ctext_atom = GDK_NONE;
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static GtkTextFunction control_keys[26] =
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{
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(GtkTextFunction)gtk_move_beginning_of_line, /* a */
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(GtkTextFunction)gtk_move_backward_character, /* b */
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gtk_editable_copy_clipboard, /* c */
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(GtkTextFunction)gtk_delete_forward_character, /* d */
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(GtkTextFunction)gtk_move_end_of_line, /* e */
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(GtkTextFunction)gtk_move_forward_character, /* f */
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NULL, /* g */
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(GtkTextFunction)gtk_delete_backward_character, /* h */
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NULL, /* i */
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NULL, /* j */
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(GtkTextFunction)gtk_delete_to_line_end, /* k */
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NULL, /* l */
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NULL, /* m */
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NULL, /* n */
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NULL, /* o */
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NULL, /* p */
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NULL, /* q */
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NULL, /* r */
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NULL, /* s */
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NULL, /* t */
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(GtkTextFunction)gtk_delete_line, /* u */
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gtk_editable_paste_clipboard, /* v */
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(GtkTextFunction)gtk_delete_backward_word, /* w */
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gtk_editable_cut_clipboard, /* x */
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NULL, /* y */
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NULL, /* z */
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};
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static GtkTextFunction alt_keys[26] =
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{
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NULL, /* a */
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(GtkTextFunction)gtk_move_backward_word, /* b */
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NULL, /* c */
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(GtkTextFunction)gtk_delete_forward_word, /* d */
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NULL, /* e */
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(GtkTextFunction)gtk_move_forward_word, /* f */
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NULL, /* g */
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NULL, /* h */
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NULL, /* i */
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NULL, /* j */
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NULL, /* k */
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NULL, /* l */
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NULL, /* m */
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NULL, /* n */
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NULL, /* o */
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NULL, /* p */
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NULL, /* q */
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NULL, /* r */
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NULL, /* s */
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NULL, /* t */
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NULL, /* u */
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NULL, /* v */
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NULL, /* w */
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NULL, /* x */
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NULL, /* y */
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NULL, /* z */
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};
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guint
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gtk_entry_get_type ()
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{
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static guint entry_type = 0;
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if (!entry_type)
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{
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GtkTypeInfo entry_info =
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{
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"GtkEntry",
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sizeof (GtkEntry),
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sizeof (GtkEntryClass),
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(GtkClassInitFunc) gtk_entry_class_init,
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(GtkObjectInitFunc) gtk_entry_init,
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(GtkArgSetFunc) NULL,
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(GtkArgGetFunc) NULL,
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};
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entry_type = gtk_type_unique (gtk_editable_get_type (), &entry_info);
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}
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return entry_type;
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}
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static void
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gtk_entry_class_init (GtkEntryClass *class)
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{
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkEditableClass *editable_class;
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object_class = (GtkObjectClass*) class;
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widget_class = (GtkWidgetClass*) class;
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editable_class = (GtkEditableClass*) class;
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parent_class = gtk_type_class (gtk_editable_get_type ());
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entry_signals[ACTIVATE] =
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gtk_signal_new ("activate",
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GTK_RUN_LAST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GtkEntryClass, activate),
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gtk_signal_default_marshaller,
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GTK_TYPE_NONE, 0);
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gtk_object_class_add_signals (object_class, entry_signals, LAST_SIGNAL);
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object_class->finalize = gtk_entry_finalize;
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widget_class->realize = gtk_entry_realize;
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widget_class->unrealize = gtk_entry_unrealize;
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widget_class->draw_focus = gtk_entry_draw_focus;
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widget_class->size_request = gtk_entry_size_request;
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widget_class->size_allocate = gtk_entry_size_allocate;
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widget_class->draw = gtk_entry_draw;
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widget_class->expose_event = gtk_entry_expose;
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widget_class->button_press_event = gtk_entry_button_press;
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widget_class->button_release_event = gtk_entry_button_release;
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widget_class->motion_notify_event = gtk_entry_motion_notify;
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widget_class->key_press_event = gtk_entry_key_press;
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widget_class->focus_in_event = gtk_entry_focus_in;
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widget_class->focus_out_event = gtk_entry_focus_out;
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editable_class->insert_text = gtk_entry_insert_text;
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editable_class->delete_text = gtk_entry_delete_text;
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editable_class->update_text = gtk_entry_update_text;
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editable_class->get_chars = gtk_entry_get_chars;
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editable_class->set_selection = gtk_entry_set_selection;
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editable_class->changed = (void (*)(GtkEditable *)) gtk_entry_adjust_scroll;
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class->activate = NULL;
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}
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static void
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gtk_entry_init (GtkEntry *entry)
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{
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GTK_WIDGET_SET_FLAGS (entry, GTK_CAN_FOCUS);
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entry->text_area = NULL;
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entry->backing_pixmap = NULL;
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entry->text = NULL;
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entry->text_size = 0;
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entry->text_length = 0;
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entry->text_max_length = 0;
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entry->scroll_offset = 0;
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entry->timer = 0;
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entry->visible = 1;
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gtk_entry_grow_text (entry);
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}
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GtkWidget*
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gtk_entry_new ()
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{
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return GTK_WIDGET (gtk_type_new (gtk_entry_get_type ()));
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}
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GtkWidget*
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gtk_entry_new_with_max_length (guint16 max)
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{
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GtkEntry *entry;
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entry = gtk_type_new (gtk_entry_get_type ());
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entry->text_max_length = max;
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return GTK_WIDGET (entry);
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}
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void
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gtk_entry_set_text (GtkEntry *entry,
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const gchar *text)
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{
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gint tmp_pos;
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GtkEditable *editable;
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g_return_if_fail (entry != NULL);
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g_return_if_fail (GTK_IS_ENTRY (entry));
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g_return_if_fail (text != NULL);
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editable = GTK_EDITABLE (entry);
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gtk_entry_delete_text (GTK_EDITABLE(entry), 0, entry->text_length);
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tmp_pos = 0;
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gtk_editable_insert_text (editable, text, strlen (text), &tmp_pos);
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editable->current_pos = tmp_pos;
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editable->selection_start_pos = 0;
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editable->selection_end_pos = 0;
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if (GTK_WIDGET_DRAWABLE (entry))
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gtk_entry_draw_text (entry);
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}
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void
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gtk_entry_append_text (GtkEntry *entry,
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const gchar *text)
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{
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gint tmp_pos;
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g_return_if_fail (entry != NULL);
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g_return_if_fail (GTK_IS_ENTRY (entry));
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tmp_pos = entry->text_length;
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gtk_editable_insert_text (GTK_EDITABLE(entry), text, strlen (text), &tmp_pos);
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GTK_EDITABLE(entry)->current_pos = tmp_pos;
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}
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void
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gtk_entry_prepend_text (GtkEntry *entry,
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const gchar *text)
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{
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gint tmp_pos;
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g_return_if_fail (entry != NULL);
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g_return_if_fail (GTK_IS_ENTRY (entry));
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tmp_pos = 0;
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gtk_editable_insert_text (GTK_EDITABLE(entry), text, strlen (text), &tmp_pos);
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GTK_EDITABLE(entry)->current_pos = tmp_pos;
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}
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void
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gtk_entry_set_position (GtkEntry *entry,
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gint position)
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{
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g_return_if_fail (entry != NULL);
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g_return_if_fail (GTK_IS_ENTRY (entry));
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if ((position == -1) || (position > entry->text_length))
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GTK_EDITABLE(entry)->current_pos = entry->text_length;
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else
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GTK_EDITABLE(entry)->current_pos = position;
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}
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void
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gtk_entry_set_visibility (GtkEntry *entry,
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gboolean visible)
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{
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g_return_if_fail (entry != NULL);
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g_return_if_fail (GTK_IS_ENTRY (entry));
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entry->visible = visible;
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}
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void
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gtk_entry_set_editable(GtkEntry *entry,
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gboolean editable)
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{
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g_return_if_fail (entry != NULL);
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g_return_if_fail (GTK_IS_ENTRY (entry));
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GTK_EDITABLE(entry)->editable = editable;
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gtk_entry_queue_draw(entry);
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}
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gchar*
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gtk_entry_get_text (GtkEntry *entry)
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{
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static char empty_str[2] = "";
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g_return_val_if_fail (entry != NULL, NULL);
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g_return_val_if_fail (GTK_IS_ENTRY (entry), NULL);
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if (!entry->text)
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return empty_str;
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return entry->text;
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}
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static void
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gtk_entry_finalize (GtkObject *object)
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{
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GtkEntry *entry;
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g_return_if_fail (object != NULL);
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g_return_if_fail (GTK_IS_ENTRY (object));
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entry = GTK_ENTRY (object);
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#ifdef USE_XIM
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if (GTK_EDITABLE(entry)->ic)
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{
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gdk_ic_destroy (GTK_EDITABLE(entry)->ic);
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GTK_EDITABLE(entry)->ic = NULL;
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}
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#endif
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if (entry->timer)
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gtk_timeout_remove (entry->timer);
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entry->text_size = 0;
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if (entry->text)
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g_free (entry->text);
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entry->text = NULL;
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if (entry->backing_pixmap)
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gdk_pixmap_unref (entry->backing_pixmap);
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(* GTK_OBJECT_CLASS (parent_class)->finalize) (object);
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}
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static void
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gtk_entry_realize (GtkWidget *widget)
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{
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GtkEntry *entry;
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GtkEditable *editable;
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GdkWindowAttr attributes;
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gint attributes_mask;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_ENTRY (widget));
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GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
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entry = GTK_ENTRY (widget);
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editable = GTK_EDITABLE (widget);
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attributes.window_type = GDK_WINDOW_CHILD;
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attributes.x = widget->allocation.x;
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attributes.y = widget->allocation.y;
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attributes.width = widget->allocation.width;
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attributes.height = widget->allocation.height;
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attributes.wclass = GDK_INPUT_OUTPUT;
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attributes.visual = gtk_widget_get_visual (widget);
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attributes.colormap = gtk_widget_get_colormap (widget);
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attributes.event_mask = gtk_widget_get_events (widget);
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attributes.event_mask |= (GDK_EXPOSURE_MASK |
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GDK_BUTTON_PRESS_MASK |
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GDK_BUTTON_RELEASE_MASK |
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GDK_BUTTON1_MOTION_MASK |
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GDK_BUTTON3_MOTION_MASK |
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GDK_POINTER_MOTION_HINT_MASK |
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GDK_ENTER_NOTIFY_MASK |
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GDK_LEAVE_NOTIFY_MASK |
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GDK_KEY_PRESS_MASK);
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attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
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widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
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gdk_window_set_user_data (widget->window, entry);
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attributes.x = widget->style->klass->xthickness + INNER_BORDER;
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attributes.y = widget->style->klass->ythickness + INNER_BORDER;
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attributes.width = widget->allocation.width - attributes.x * 2;
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attributes.height = widget->allocation.height - attributes.y * 2;
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attributes.cursor = entry->cursor = gdk_cursor_new (GDK_XTERM);
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attributes_mask |= GDK_WA_CURSOR;
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entry->text_area = gdk_window_new (widget->window, &attributes, attributes_mask);
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gdk_window_set_user_data (entry->text_area, entry);
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widget->style = gtk_style_attach (widget->style, widget->window);
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gdk_window_set_background (widget->window, &widget->style->base[GTK_STATE_NORMAL]);
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gdk_window_set_background (entry->text_area, &widget->style->base[GTK_STATE_NORMAL]);
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#ifdef USE_XIM
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if (gdk_im_ready ())
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{
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GdkPoint spot;
|
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GdkRectangle rect;
|
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gint width, height;
|
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GdkEventMask mask;
|
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GdkIMStyle style;
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GdkIMStyle supported_style = GdkIMPreeditNone | GdkIMPreeditNothing |
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GdkIMPreeditPosition |
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GdkIMStatusNone | GdkIMStatusNothing;
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if (widget->style && widget->style->font->type != GDK_FONT_FONTSET)
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supported_style &= ~GdkIMPreeditPosition;
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style = gdk_im_decide_style (supported_style);
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|
switch (style & GdkIMPreeditMask)
|
|
{
|
|
case GdkIMPreeditPosition:
|
|
if (widget->style && widget->style->font->type != GDK_FONT_FONTSET)
|
|
{
|
|
g_warning ("over-the-spot style requires fontset");
|
|
break;
|
|
}
|
|
gdk_window_get_size (entry->text_area, &width, &height);
|
|
rect.x = 0;
|
|
rect.y = 0;
|
|
rect.width = width;
|
|
rect.height = height;
|
|
spot.x = 0;
|
|
spot.y = height;
|
|
editable->ic = gdk_ic_new (entry->text_area, entry->text_area,
|
|
style,
|
|
"spotLocation", &spot,
|
|
"area", &rect,
|
|
"fontSet", GDK_FONT_XFONT (widget->style->font),
|
|
NULL);
|
|
break;
|
|
default:
|
|
editable->ic = gdk_ic_new (entry->text_area, entry->text_area,
|
|
style, NULL);
|
|
}
|
|
|
|
if (editable->ic == NULL)
|
|
g_warning ("Can't create input context.");
|
|
else
|
|
{
|
|
GdkColormap *colormap;
|
|
|
|
mask = gdk_window_get_events (entry->text_area);
|
|
mask |= gdk_ic_get_events (editable->ic);
|
|
gdk_window_set_events (entry->text_area, mask);
|
|
|
|
if ((colormap = gtk_widget_get_colormap (widget)) !=
|
|
gtk_widget_get_default_colormap ())
|
|
{
|
|
gdk_ic_set_attr (editable->ic, "preeditAttributes",
|
|
"colorMap", GDK_COLORMAP_XCOLORMAP (colormap),
|
|
NULL);
|
|
}
|
|
gdk_ic_set_attr (editable->ic,"preeditAttributes",
|
|
"foreground", widget->style->fg[GTK_STATE_NORMAL].pixel,
|
|
"background", widget->style->base[GTK_STATE_NORMAL].pixel,
|
|
NULL);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
gdk_window_show (entry->text_area);
|
|
|
|
if (editable->selection_start_pos != editable->selection_end_pos)
|
|
gtk_editable_claim_selection (editable, TRUE, GDK_CURRENT_TIME);
|
|
}
|
|
|
|
static void
|
|
gtk_entry_unrealize (GtkWidget *widget)
|
|
{
|
|
GtkEntry *entry;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (widget));
|
|
|
|
entry = GTK_ENTRY (widget);
|
|
|
|
if (entry->text_area)
|
|
{
|
|
gdk_window_set_user_data (entry->text_area, NULL);
|
|
gdk_window_destroy (entry->text_area);
|
|
entry->text_area = NULL;
|
|
gdk_cursor_destroy (entry->cursor);
|
|
entry->cursor = NULL;
|
|
}
|
|
|
|
if (GTK_WIDGET_CLASS (parent_class)->unrealize)
|
|
(* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
|
|
}
|
|
|
|
static void
|
|
gtk_entry_draw_focus (GtkWidget *widget)
|
|
{
|
|
gint width, height;
|
|
gint x, y;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (widget));
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
{
|
|
x = 0;
|
|
y = 0;
|
|
gdk_window_get_size (widget->window, &width, &height);
|
|
|
|
if (GTK_WIDGET_HAS_FOCUS (widget))
|
|
{
|
|
x += 1;
|
|
y += 1;
|
|
width -= 2;
|
|
height -= 2;
|
|
}
|
|
else
|
|
{
|
|
gdk_draw_rectangle (widget->window,
|
|
widget->style->base_gc[GTK_WIDGET_STATE(widget)],
|
|
FALSE, x + 2, y + 2, width - 5, height - 5);
|
|
}
|
|
|
|
gtk_draw_shadow (widget->style, widget->window,
|
|
GTK_STATE_NORMAL, GTK_SHADOW_IN,
|
|
x, y, width, height);
|
|
|
|
if (GTK_WIDGET_HAS_FOCUS (widget))
|
|
{
|
|
gdk_window_get_size (widget->window, &width, &height);
|
|
gdk_draw_rectangle (widget->window, widget->style->fg_gc[GTK_STATE_NORMAL],
|
|
FALSE, 0, 0, width - 1, height - 1);
|
|
}
|
|
|
|
gtk_entry_draw_cursor (GTK_ENTRY (widget));
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_entry_size_request (GtkWidget *widget,
|
|
GtkRequisition *requisition)
|
|
{
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (widget));
|
|
g_return_if_fail (requisition != NULL);
|
|
|
|
requisition->width = MIN_ENTRY_WIDTH + (widget->style->klass->xthickness + INNER_BORDER) * 2;
|
|
requisition->height = (widget->style->font->ascent +
|
|
widget->style->font->descent +
|
|
(widget->style->klass->ythickness + INNER_BORDER) * 2);
|
|
}
|
|
|
|
static void
|
|
gtk_entry_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *allocation)
|
|
{
|
|
GtkEntry *entry;
|
|
GtkEditable *editable;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (widget));
|
|
g_return_if_fail (allocation != NULL);
|
|
|
|
widget->allocation = *allocation;
|
|
entry = GTK_ENTRY (widget);
|
|
editable = GTK_EDITABLE (widget);
|
|
|
|
if (GTK_WIDGET_REALIZED (widget))
|
|
{
|
|
gdk_window_move_resize (widget->window,
|
|
allocation->x,
|
|
allocation->y + (allocation->height - widget->requisition.height) / 2,
|
|
allocation->width, widget->requisition.height);
|
|
gdk_window_move_resize (entry->text_area,
|
|
widget->style->klass->xthickness + INNER_BORDER,
|
|
widget->style->klass->ythickness + INNER_BORDER,
|
|
allocation->width - (widget->style->klass->xthickness + INNER_BORDER) * 2,
|
|
widget->requisition.height - (widget->style->klass->ythickness + INNER_BORDER) * 2);
|
|
|
|
entry->scroll_offset = 0;
|
|
gtk_entry_adjust_scroll (entry);
|
|
#ifdef USE_XIM
|
|
if (editable->ic && (gdk_ic_get_style (editable->ic) & GdkIMPreeditPosition))
|
|
{
|
|
gint width, height;
|
|
GdkRectangle rect;
|
|
|
|
gdk_window_get_size (entry->text_area, &width, &height);
|
|
rect.x = 0;
|
|
rect.y = 0;
|
|
rect.width = width;
|
|
rect.height = height;
|
|
gdk_ic_set_attr (editable->ic, "preeditAttributes", "area", &rect, NULL);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_entry_draw (GtkWidget *widget,
|
|
GdkRectangle *area)
|
|
{
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (widget));
|
|
g_return_if_fail (area != NULL);
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
{
|
|
gtk_widget_draw_focus (widget);
|
|
gtk_entry_draw_text (GTK_ENTRY (widget));
|
|
}
|
|
}
|
|
|
|
static gint
|
|
gtk_entry_expose (GtkWidget *widget,
|
|
GdkEventExpose *event)
|
|
{
|
|
GtkEntry *entry;
|
|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
entry = GTK_ENTRY (widget);
|
|
|
|
if (widget->window == event->window)
|
|
gtk_widget_draw_focus (widget);
|
|
else if (entry->text_area == event->window)
|
|
gtk_entry_draw_text (GTK_ENTRY (widget));
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_entry_button_press (GtkWidget *widget,
|
|
GdkEventButton *event)
|
|
{
|
|
GtkEntry *entry;
|
|
GtkEditable *editable;
|
|
gint tmp_pos;
|
|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
if (ctext_atom == GDK_NONE)
|
|
ctext_atom = gdk_atom_intern ("COMPOUND_TEXT", FALSE);
|
|
|
|
entry = GTK_ENTRY (widget);
|
|
editable = GTK_EDITABLE (widget);
|
|
|
|
if (!GTK_WIDGET_HAS_FOCUS (widget))
|
|
gtk_widget_grab_focus (widget);
|
|
|
|
if (event->button == 1)
|
|
{
|
|
switch (event->type)
|
|
{
|
|
case GDK_BUTTON_PRESS:
|
|
gtk_grab_add (widget);
|
|
|
|
tmp_pos = gtk_entry_position (entry, event->x + entry->scroll_offset);
|
|
gtk_entry_set_selection (editable, tmp_pos, tmp_pos);
|
|
editable->current_pos = editable->selection_start_pos;
|
|
break;
|
|
|
|
case GDK_2BUTTON_PRESS:
|
|
gtk_select_word (entry);
|
|
break;
|
|
|
|
case GDK_3BUTTON_PRESS:
|
|
gtk_select_line (entry);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (event->type == GDK_BUTTON_PRESS)
|
|
{
|
|
if (event->button == 2)
|
|
{
|
|
if (editable->selection_start_pos == editable->selection_end_pos ||
|
|
editable->has_selection)
|
|
editable->current_pos = gtk_entry_position (entry, event->x + entry->scroll_offset);
|
|
gtk_selection_convert (widget, GDK_SELECTION_PRIMARY,
|
|
ctext_atom, event->time);
|
|
}
|
|
else
|
|
{
|
|
gtk_grab_add (widget);
|
|
|
|
tmp_pos = gtk_entry_position (entry, event->x + entry->scroll_offset);
|
|
gtk_entry_set_selection (editable, tmp_pos, tmp_pos);
|
|
editable->has_selection = FALSE;
|
|
editable->current_pos = editable->selection_start_pos;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_entry_button_release (GtkWidget *widget,
|
|
GdkEventButton *event)
|
|
{
|
|
GtkEntry *entry;
|
|
GtkEditable *editable;
|
|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
if (event->button == 1)
|
|
{
|
|
entry = GTK_ENTRY (widget);
|
|
editable = GTK_EDITABLE (widget);
|
|
|
|
gtk_grab_remove (widget);
|
|
|
|
editable->has_selection = FALSE;
|
|
if (editable->selection_start_pos != editable->selection_end_pos)
|
|
{
|
|
if (gtk_selection_owner_set (widget,
|
|
GDK_SELECTION_PRIMARY,
|
|
event->time))
|
|
{
|
|
editable->has_selection = TRUE;
|
|
gtk_entry_queue_draw (entry);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) == widget->window)
|
|
gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY, event->time);
|
|
}
|
|
}
|
|
else if (event->button == 3)
|
|
{
|
|
gtk_grab_remove (widget);
|
|
if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) == widget->window)
|
|
gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY, event->time);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_entry_motion_notify (GtkWidget *widget,
|
|
GdkEventMotion *event)
|
|
{
|
|
GtkEntry *entry;
|
|
gint x;
|
|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
entry = GTK_ENTRY (widget);
|
|
|
|
x = event->x;
|
|
if (event->is_hint || (entry->text_area != event->window))
|
|
gdk_window_get_pointer (entry->text_area, &x, NULL, NULL);
|
|
|
|
GTK_EDITABLE(entry)->selection_end_pos = gtk_entry_position (entry, event->x + entry->scroll_offset);
|
|
GTK_EDITABLE(entry)->current_pos = GTK_EDITABLE(entry)->selection_end_pos;
|
|
gtk_entry_adjust_scroll (entry);
|
|
gtk_entry_queue_draw (entry);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_entry_key_press (GtkWidget *widget,
|
|
GdkEventKey *event)
|
|
{
|
|
GtkEntry *entry;
|
|
GtkEditable *editable;
|
|
|
|
gint return_val;
|
|
gint key;
|
|
gint tmp_pos;
|
|
gint extend_selection;
|
|
gint extend_start;
|
|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
entry = GTK_ENTRY (widget);
|
|
editable = GTK_EDITABLE (widget);
|
|
return_val = FALSE;
|
|
|
|
if(editable->editable == FALSE)
|
|
return FALSE;
|
|
|
|
extend_selection = event->state & GDK_SHIFT_MASK;
|
|
extend_start = FALSE;
|
|
|
|
if (extend_selection)
|
|
{
|
|
if (editable->selection_start_pos == editable->selection_end_pos)
|
|
{
|
|
editable->selection_start_pos = editable->current_pos;
|
|
editable->selection_end_pos = editable->current_pos;
|
|
}
|
|
|
|
extend_start = (editable->current_pos == editable->selection_start_pos);
|
|
}
|
|
|
|
switch (event->keyval)
|
|
{
|
|
case GDK_BackSpace:
|
|
return_val = TRUE;
|
|
if (editable->selection_start_pos != editable->selection_end_pos)
|
|
gtk_editable_delete_selection (editable);
|
|
else if (event->state & GDK_CONTROL_MASK)
|
|
gtk_delete_backward_word (entry);
|
|
else
|
|
gtk_delete_backward_character (entry);
|
|
break;
|
|
case GDK_Clear:
|
|
return_val = TRUE;
|
|
gtk_delete_line (entry);
|
|
break;
|
|
case GDK_Insert:
|
|
return_val = TRUE;
|
|
if (event->state & GDK_SHIFT_MASK)
|
|
{
|
|
extend_selection = FALSE;
|
|
gtk_editable_paste_clipboard (editable, event->time);
|
|
}
|
|
else if (event->state & GDK_CONTROL_MASK)
|
|
{
|
|
gtk_editable_copy_clipboard (editable, event->time);
|
|
}
|
|
else
|
|
{
|
|
/* gtk_toggle_insert(entry) -- IMPLEMENT */
|
|
}
|
|
break;
|
|
case GDK_Delete:
|
|
return_val = TRUE;
|
|
if (event->state & GDK_CONTROL_MASK)
|
|
gtk_delete_line (entry);
|
|
else if (event->state & GDK_SHIFT_MASK)
|
|
gtk_editable_cut_clipboard (editable, event->time);
|
|
else
|
|
gtk_delete_forward_character (entry);
|
|
break;
|
|
case GDK_Home:
|
|
return_val = TRUE;
|
|
gtk_move_beginning_of_line (entry);
|
|
break;
|
|
case GDK_End:
|
|
return_val = TRUE;
|
|
gtk_move_end_of_line (entry);
|
|
break;
|
|
case GDK_Left:
|
|
return_val = TRUE;
|
|
gtk_move_backward_character (entry);
|
|
break;
|
|
case GDK_Right:
|
|
return_val = TRUE;
|
|
gtk_move_forward_character (entry);
|
|
break;
|
|
case GDK_Return:
|
|
return_val = TRUE;
|
|
gtk_signal_emit (GTK_OBJECT (entry), entry_signals[ACTIVATE]);
|
|
break;
|
|
/* The next two keys should not be inserted literally. Any others ??? */
|
|
case GDK_Tab:
|
|
case GDK_Escape:
|
|
break;
|
|
default:
|
|
if ((event->keyval >= 0x20) && (event->keyval <= 0xFF))
|
|
{
|
|
key = event->keyval;
|
|
|
|
if (event->state & GDK_CONTROL_MASK)
|
|
{
|
|
if ((key >= 'A') && (key <= 'Z'))
|
|
key -= 'A' - 'a';
|
|
|
|
if ((key >= 'a') && (key <= 'z') && control_keys[key - 'a'])
|
|
{
|
|
(* control_keys[key - 'a']) (editable, event->time);
|
|
return_val = TRUE;
|
|
}
|
|
break;
|
|
}
|
|
else if (event->state & GDK_MOD1_MASK)
|
|
{
|
|
if ((key >= 'A') && (key <= 'Z'))
|
|
key -= 'A' - 'a';
|
|
|
|
if ((key >= 'a') && (key <= 'z') && alt_keys[key - 'a'])
|
|
{
|
|
(* alt_keys[key - 'a']) (editable, event->time);
|
|
return_val = TRUE;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (event->length > 0)
|
|
{
|
|
extend_selection = FALSE;
|
|
gtk_editable_delete_selection (editable);
|
|
|
|
tmp_pos = editable->current_pos;
|
|
gtk_editable_insert_text (editable, event->string, event->length, &tmp_pos);
|
|
editable->current_pos = tmp_pos;
|
|
|
|
return_val = TRUE;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (return_val)
|
|
{
|
|
if (extend_selection)
|
|
{
|
|
if (editable->current_pos < editable->selection_start_pos)
|
|
editable->selection_start_pos = editable->current_pos;
|
|
else if (editable->current_pos > editable->selection_end_pos)
|
|
editable->selection_end_pos = editable->current_pos;
|
|
else
|
|
{
|
|
if (extend_start)
|
|
editable->selection_start_pos = editable->current_pos;
|
|
else
|
|
editable->selection_end_pos = editable->current_pos;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
editable->selection_start_pos = 0;
|
|
editable->selection_end_pos = 0;
|
|
}
|
|
|
|
gtk_editable_claim_selection (editable,
|
|
editable->selection_start_pos != editable->selection_end_pos,
|
|
event->time);
|
|
|
|
gtk_entry_adjust_scroll (entry);
|
|
gtk_entry_queue_draw (entry);
|
|
}
|
|
|
|
return return_val;
|
|
}
|
|
|
|
static gint
|
|
gtk_entry_focus_in (GtkWidget *widget,
|
|
GdkEventFocus *event)
|
|
{
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
|
|
gtk_widget_draw_focus (widget);
|
|
|
|
#ifdef USE_XIM
|
|
if (GTK_EDITABLE(widget)->ic)
|
|
gdk_im_begin (GTK_EDITABLE(widget)->ic, GTK_ENTRY(widget)->text_area);
|
|
#endif
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_entry_focus_out (GtkWidget *widget,
|
|
GdkEventFocus *event)
|
|
{
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
|
|
gtk_widget_draw_focus (widget);
|
|
|
|
#ifdef USE_XIM
|
|
gdk_im_end ();
|
|
#endif
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_entry_make_backing_pixmap (GtkEntry *entry, gint width, gint height)
|
|
{
|
|
gint pixmap_width, pixmap_height;
|
|
|
|
if (!entry->backing_pixmap)
|
|
{
|
|
/* allocate */
|
|
entry->backing_pixmap = gdk_pixmap_new (entry->text_area,
|
|
width, height,
|
|
-1);
|
|
}
|
|
else
|
|
{
|
|
/* reallocate if sizes don't match */
|
|
gdk_window_get_size (entry->backing_pixmap,
|
|
&pixmap_width, &pixmap_height);
|
|
if ((pixmap_width != width) || (pixmap_height != height))
|
|
{
|
|
gdk_pixmap_unref (entry->backing_pixmap);
|
|
entry->backing_pixmap = gdk_pixmap_new (entry->text_area,
|
|
width, height,
|
|
-1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_entry_draw_text (GtkEntry *entry)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkEditable *editable;
|
|
GtkStateType selected_state;
|
|
gint selection_start_pos;
|
|
gint selection_end_pos;
|
|
gint selection_start_xoffset;
|
|
gint selection_end_xoffset;
|
|
gint width, height;
|
|
gint y;
|
|
GdkDrawable *drawable;
|
|
gint use_backing_pixmap;
|
|
|
|
g_return_if_fail (entry != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (entry));
|
|
|
|
if (entry->timer)
|
|
{
|
|
gtk_timeout_remove (entry->timer);
|
|
entry->timer = 0;
|
|
}
|
|
|
|
if (!entry->visible)
|
|
{
|
|
gtk_entry_draw_cursor (entry);
|
|
return;
|
|
}
|
|
|
|
if (GTK_WIDGET_DRAWABLE (entry))
|
|
{
|
|
widget = GTK_WIDGET (entry);
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
if (!entry->text)
|
|
{
|
|
gdk_window_clear (entry->text_area);
|
|
if (editable->editable)
|
|
gtk_entry_draw_cursor (entry);
|
|
return;
|
|
}
|
|
|
|
gdk_window_get_size (entry->text_area, &width, &height);
|
|
|
|
/*
|
|
If the widget has focus, draw on a backing pixmap to avoid flickering
|
|
and copy it to the text_area.
|
|
Otherwise draw to text_area directly for better speed.
|
|
*/
|
|
use_backing_pixmap = GTK_WIDGET_HAS_FOCUS (widget) && (entry->text != NULL);
|
|
if (use_backing_pixmap)
|
|
{
|
|
gtk_entry_make_backing_pixmap (entry, width, height);
|
|
drawable = entry->backing_pixmap;
|
|
gdk_draw_rectangle (drawable,
|
|
widget->style->base_gc[GTK_WIDGET_STATE(widget)],
|
|
TRUE,
|
|
0, 0,
|
|
width,
|
|
height);
|
|
}
|
|
else
|
|
{
|
|
drawable = entry->text_area;
|
|
gdk_window_clear (entry->text_area);
|
|
}
|
|
|
|
y = (height - (widget->style->font->ascent + widget->style->font->descent)) / 2;
|
|
y += widget->style->font->ascent;
|
|
|
|
if (editable->selection_start_pos != editable->selection_end_pos)
|
|
{
|
|
selected_state = GTK_STATE_SELECTED;
|
|
if (!editable->has_selection)
|
|
selected_state = GTK_STATE_ACTIVE;
|
|
|
|
selection_start_pos = MIN (editable->selection_start_pos, editable->selection_end_pos);
|
|
selection_end_pos = MAX (editable->selection_start_pos, editable->selection_end_pos);
|
|
|
|
selection_start_xoffset = gdk_text_width (widget->style->font,
|
|
entry->text,
|
|
selection_start_pos);
|
|
selection_end_xoffset = gdk_text_width (widget->style->font,
|
|
entry->text,
|
|
selection_end_pos);
|
|
|
|
if (selection_start_pos > 0)
|
|
gdk_draw_text (drawable, widget->style->font,
|
|
widget->style->fg_gc[GTK_STATE_NORMAL],
|
|
-entry->scroll_offset, y,
|
|
entry->text, selection_start_pos);
|
|
|
|
gdk_draw_rectangle (drawable,
|
|
widget->style->bg_gc[selected_state],
|
|
TRUE,
|
|
-entry->scroll_offset + selection_start_xoffset,
|
|
0,
|
|
selection_end_xoffset - selection_start_xoffset,
|
|
-1);
|
|
|
|
gdk_draw_text (drawable, widget->style->font,
|
|
widget->style->fg_gc[selected_state],
|
|
-entry->scroll_offset + selection_start_xoffset, y,
|
|
entry->text + selection_start_pos,
|
|
selection_end_pos - selection_start_pos);
|
|
|
|
if (selection_end_pos < entry->text_length)
|
|
gdk_draw_string (drawable, widget->style->font,
|
|
widget->style->fg_gc[GTK_STATE_NORMAL],
|
|
-entry->scroll_offset + selection_end_xoffset, y,
|
|
entry->text + selection_end_pos);
|
|
}
|
|
else
|
|
{
|
|
GdkGCValues values;
|
|
|
|
gdk_gc_get_values (widget->style->fg_gc[GTK_STATE_NORMAL], &values);
|
|
gdk_draw_string (drawable, widget->style->font,
|
|
widget->style->fg_gc[GTK_STATE_NORMAL],
|
|
-entry->scroll_offset, y,
|
|
entry->text);
|
|
}
|
|
|
|
if (editable->editable)
|
|
gtk_entry_draw_cursor_on_drawable (entry, drawable);
|
|
|
|
if (use_backing_pixmap)
|
|
gdk_draw_pixmap(entry->text_area,
|
|
widget->style->fg_gc[GTK_STATE_NORMAL],
|
|
entry->backing_pixmap,
|
|
0, 0, 0, 0, width, height);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_entry_draw_cursor (GtkEntry *entry)
|
|
{
|
|
g_return_if_fail (entry != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (entry));
|
|
|
|
gtk_entry_draw_cursor_on_drawable (entry, entry->text_area);
|
|
}
|
|
|
|
static void
|
|
gtk_entry_draw_cursor_on_drawable (GtkEntry *entry, GdkDrawable *drawable)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkEditable *editable;
|
|
GdkGC *gc;
|
|
gint xoffset;
|
|
gint text_area_height;
|
|
|
|
g_return_if_fail (entry != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (entry));
|
|
|
|
if (GTK_WIDGET_DRAWABLE (entry))
|
|
{
|
|
widget = GTK_WIDGET (entry);
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
if (editable->current_pos > 0 && entry->visible)
|
|
xoffset = gdk_text_width (widget->style->font, entry->text, editable->current_pos);
|
|
else
|
|
xoffset = 0;
|
|
xoffset -= entry->scroll_offset;
|
|
|
|
if (GTK_WIDGET_HAS_FOCUS (widget) &&
|
|
(editable->selection_start_pos == editable->selection_end_pos))
|
|
gc = widget->style->fg_gc[GTK_STATE_NORMAL];
|
|
else
|
|
gc = widget->style->base_gc[GTK_WIDGET_STATE(widget)];
|
|
|
|
gdk_window_get_size (entry->text_area, NULL, &text_area_height);
|
|
gdk_draw_line (drawable, gc, xoffset, 0, xoffset, text_area_height);
|
|
#ifdef USE_XIM
|
|
if (gdk_im_ready() && editable->ic &&
|
|
gdk_ic_get_style (editable->ic) & GdkIMPreeditPosition)
|
|
{
|
|
GdkPoint spot;
|
|
|
|
spot.x = xoffset;
|
|
spot.y = (text_area_height + (widget->style->font->ascent - widget->style->font->descent) + 1) / 2;
|
|
gdk_ic_set_attr (editable->ic, "preeditAttributes", "spotLocation", &spot, NULL);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_entry_queue_draw (GtkEntry *entry)
|
|
{
|
|
g_return_if_fail (entry != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (entry));
|
|
|
|
if (!entry->timer)
|
|
entry->timer = gtk_timeout_add (DRAW_TIMEOUT, gtk_entry_timer, entry);
|
|
}
|
|
|
|
static gint
|
|
gtk_entry_timer (gpointer data)
|
|
{
|
|
GtkEntry *entry;
|
|
|
|
g_return_val_if_fail (data != NULL, FALSE);
|
|
|
|
entry = GTK_ENTRY (data);
|
|
entry->timer = 0;
|
|
gtk_entry_draw_text (entry);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_entry_position (GtkEntry *entry,
|
|
gint x)
|
|
{
|
|
gint return_val;
|
|
gint char_width;
|
|
gint sum;
|
|
gint i;
|
|
gint len;
|
|
|
|
g_return_val_if_fail (entry != NULL, 0);
|
|
g_return_val_if_fail (GTK_IS_ENTRY (entry), 0);
|
|
|
|
i = 0;
|
|
sum = 0;
|
|
|
|
if (x > sum)
|
|
{
|
|
for (; i < entry->text_length; i+=len)
|
|
{
|
|
len = mblen (entry->text+i, MB_CUR_MAX);
|
|
/* character not supported in current locale is included */
|
|
if (len < 1)
|
|
len = 1;
|
|
char_width = gdk_text_width (GTK_WIDGET (entry)->style->font,
|
|
entry->text + i, len);
|
|
|
|
if (x < (sum + char_width / 2))
|
|
break;
|
|
sum += char_width;
|
|
}
|
|
}
|
|
|
|
return_val = i;
|
|
|
|
return return_val;
|
|
}
|
|
|
|
void
|
|
gtk_entry_adjust_scroll (GtkEntry *entry)
|
|
{
|
|
gint xoffset;
|
|
gint text_area_width;
|
|
|
|
g_return_if_fail (entry != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (entry));
|
|
|
|
if (!entry->text_area)
|
|
return;
|
|
|
|
gdk_window_get_size (entry->text_area, &text_area_width, NULL);
|
|
|
|
if (GTK_EDITABLE(entry)->current_pos > 0)
|
|
xoffset = gdk_text_width (GTK_WIDGET (entry)->style->font, entry->text, GTK_EDITABLE(entry)->current_pos);
|
|
else
|
|
xoffset = 0;
|
|
xoffset -= entry->scroll_offset;
|
|
|
|
if (xoffset < 0)
|
|
entry->scroll_offset += xoffset;
|
|
else if (xoffset > text_area_width)
|
|
entry->scroll_offset += (xoffset - text_area_width) + 1;
|
|
}
|
|
|
|
static void
|
|
gtk_entry_grow_text (GtkEntry *entry)
|
|
{
|
|
gint previous_size;
|
|
gint i;
|
|
|
|
g_return_if_fail (entry != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (entry));
|
|
|
|
previous_size = entry->text_size;
|
|
if (!entry->text_size)
|
|
entry->text_size = 128;
|
|
else
|
|
entry->text_size *= 2;
|
|
entry->text = g_realloc (entry->text, entry->text_size);
|
|
|
|
for (i = previous_size; i < entry->text_size; i++)
|
|
entry->text[i] = '\0';
|
|
}
|
|
|
|
static void
|
|
gtk_entry_insert_text (GtkEditable *editable,
|
|
const gchar *new_text,
|
|
gint new_text_length,
|
|
gint *position)
|
|
{
|
|
gchar *text;
|
|
gint start_pos;
|
|
gint end_pos;
|
|
gint last_pos;
|
|
gint i;
|
|
|
|
GtkEntry *entry;
|
|
|
|
g_return_if_fail (entry != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (editable));
|
|
|
|
entry = GTK_ENTRY (editable);
|
|
|
|
/* Make sure we do not exceed the maximum size of the entry. */
|
|
if (entry->text_max_length != 0 &&
|
|
new_text_length + entry->text_length > entry->text_max_length)
|
|
new_text_length = entry->text_max_length - entry->text_length;
|
|
|
|
/* Don't insert anything, if there was nothing to insert. */
|
|
if (new_text_length <= 0)
|
|
return;
|
|
|
|
start_pos = *position;
|
|
end_pos = start_pos + new_text_length;
|
|
last_pos = new_text_length + entry->text_length;
|
|
|
|
if (editable->selection_start_pos >= *position)
|
|
editable->selection_start_pos += new_text_length;
|
|
if (editable->selection_end_pos >= *position)
|
|
editable->selection_end_pos += new_text_length;
|
|
|
|
while (last_pos >= entry->text_size)
|
|
gtk_entry_grow_text (entry);
|
|
|
|
text = entry->text;
|
|
for (i = last_pos - 1; i >= end_pos; i--)
|
|
text[i] = text[i- (end_pos - start_pos)];
|
|
for (i = start_pos; i < end_pos; i++)
|
|
text[i] = new_text[i - start_pos];
|
|
|
|
entry->text_length += new_text_length;
|
|
*position = end_pos;
|
|
|
|
gtk_entry_queue_draw (entry);
|
|
}
|
|
|
|
static void
|
|
gtk_entry_delete_text (GtkEditable *editable,
|
|
gint start_pos,
|
|
gint end_pos)
|
|
{
|
|
gchar *text;
|
|
gint deletion_length;
|
|
gint i;
|
|
|
|
GtkEntry *entry;
|
|
|
|
g_return_if_fail (entry != NULL);
|
|
g_return_if_fail (GTK_IS_ENTRY (editable));
|
|
|
|
entry = GTK_ENTRY (editable);
|
|
|
|
if (editable->selection_start_pos > start_pos)
|
|
editable->selection_start_pos -= MIN(end_pos, editable->selection_start_pos) - start_pos;
|
|
if (editable->selection_end_pos > start_pos)
|
|
editable->selection_end_pos -= MIN(end_pos, editable->selection_end_pos) - start_pos;
|
|
|
|
if (end_pos < 0)
|
|
end_pos = entry->text_length;
|
|
|
|
if ((start_pos < end_pos) &&
|
|
(start_pos >= 0) &&
|
|
(end_pos <= entry->text_length))
|
|
{
|
|
text = entry->text;
|
|
deletion_length = end_pos - start_pos;
|
|
|
|
for (i = end_pos; i < entry->text_length; i++)
|
|
text[i - deletion_length] = text[i];
|
|
|
|
for (i = entry->text_length - deletion_length; i < entry->text_length; i++)
|
|
text[i] = '\0';
|
|
|
|
entry->text_length -= deletion_length;
|
|
editable->current_pos = start_pos;
|
|
}
|
|
|
|
gtk_entry_queue_draw (entry);
|
|
}
|
|
|
|
static void
|
|
gtk_entry_update_text (GtkEditable *editable,
|
|
gint start_pos,
|
|
gint end_pos)
|
|
{
|
|
gtk_entry_queue_draw (GTK_ENTRY(editable));
|
|
}
|
|
|
|
gchar *
|
|
gtk_entry_get_chars (GtkEditable *editable,
|
|
gint start_pos,
|
|
gint end_pos)
|
|
{
|
|
gchar *retval;
|
|
GtkEntry *entry;
|
|
gchar c;
|
|
|
|
g_return_val_if_fail (entry != NULL, NULL);
|
|
g_return_val_if_fail (GTK_IS_ENTRY (editable), NULL);
|
|
|
|
entry = GTK_ENTRY (editable);
|
|
|
|
if (end_pos < 0)
|
|
end_pos = entry->text_length;
|
|
|
|
start_pos = MIN(entry->text_length, start_pos);
|
|
end_pos = MIN(entry->text_length, end_pos);
|
|
|
|
c = entry->text[end_pos];
|
|
entry->text[end_pos] = '\0';
|
|
|
|
retval = g_strdup (&entry->text[start_pos]);
|
|
|
|
entry->text[end_pos] = c;
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void
|
|
gtk_move_forward_character (GtkEntry *entry)
|
|
{
|
|
gint len;
|
|
|
|
GtkEditable *editable;
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
if (editable->current_pos < entry->text_length)
|
|
{
|
|
len = mblen (entry->text+editable->current_pos, MB_CUR_MAX);
|
|
editable->current_pos += (len>0)? len:1;
|
|
}
|
|
if (editable->current_pos > entry->text_length)
|
|
editable->current_pos = entry->text_length;
|
|
}
|
|
|
|
static gint
|
|
move_backward_character (gchar *str, gint index)
|
|
{
|
|
gint i;
|
|
gint len;
|
|
|
|
if (index <= 0)
|
|
return -1;
|
|
for (i=0,len=0; i<index; i+=len)
|
|
{
|
|
len = mblen (str+i, MB_CUR_MAX);
|
|
if (len<1)
|
|
return i;
|
|
}
|
|
return i-len;
|
|
}
|
|
|
|
static void
|
|
gtk_move_backward_character (GtkEntry *entry)
|
|
{
|
|
GtkEditable *editable;
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
/* this routine is correct only if string is state-independent-encoded */
|
|
|
|
if (0 < editable->current_pos)
|
|
{
|
|
editable->current_pos = move_backward_character (entry->text,
|
|
editable->current_pos);
|
|
if (editable->current_pos < 0)
|
|
editable->current_pos = 0;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_move_forward_word (GtkEntry *entry)
|
|
{
|
|
gchar *text;
|
|
gint i;
|
|
wchar_t c;
|
|
gint len;
|
|
|
|
GtkEditable *editable;
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
if (entry->text)
|
|
{
|
|
text = entry->text;
|
|
i = editable->current_pos;
|
|
|
|
len = mbtowc (&c, text+i, MB_CUR_MAX);
|
|
if (!iswalnum(c))
|
|
for (; i < entry->text_length; i+=len)
|
|
{
|
|
len = mbtowc (&c, text+i, MB_CUR_MAX);
|
|
if (len < 1 || iswalnum(c))
|
|
break;
|
|
}
|
|
|
|
for (; i < entry->text_length; i+=len)
|
|
{
|
|
len = mbtowc (&c, text+i, MB_CUR_MAX);
|
|
if (len < 1 || !iswalnum(c))
|
|
break;
|
|
}
|
|
|
|
editable->current_pos = i;
|
|
if (editable->current_pos > entry->text_length)
|
|
editable->current_pos = entry->text_length;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_move_backward_word (GtkEntry *entry)
|
|
{
|
|
gchar *text;
|
|
gint i;
|
|
wchar_t c;
|
|
gint len;
|
|
|
|
GtkEditable *editable;
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
if (entry->text)
|
|
{
|
|
text = entry->text;
|
|
i=move_backward_character(text, editable->current_pos);
|
|
if (i < 0) /* Per */
|
|
{
|
|
editable->selection_start_pos = 0;
|
|
editable->selection_end_pos = 0;
|
|
return;
|
|
}
|
|
|
|
len = mbtowc (&c, text+i, MB_CUR_MAX);
|
|
if (!iswalnum(c))
|
|
for (; i >= 0; i=move_backward_character(text, i))
|
|
{
|
|
len = mbtowc (&c, text+i, MB_CUR_MAX);
|
|
if (iswalnum(c))
|
|
break;
|
|
}
|
|
|
|
for (; i >= 0; i=move_backward_character(text, i))
|
|
{
|
|
len = mbtowc (&c, text+i, MB_CUR_MAX);
|
|
if (!iswalnum(c))
|
|
{
|
|
i += len;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i < 0)
|
|
i = 0;
|
|
|
|
editable->current_pos = i;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_move_beginning_of_line (GtkEntry *entry)
|
|
{
|
|
GTK_EDITABLE(entry)->current_pos = 0;
|
|
}
|
|
|
|
static void
|
|
gtk_move_end_of_line (GtkEntry *entry)
|
|
{
|
|
GTK_EDITABLE(entry)->current_pos = entry->text_length;
|
|
}
|
|
|
|
static void
|
|
gtk_delete_forward_character (GtkEntry *entry)
|
|
{
|
|
gint old_pos;
|
|
|
|
GtkEditable *editable;
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
if (editable->selection_start_pos != editable->selection_end_pos)
|
|
gtk_editable_delete_selection (editable);
|
|
else
|
|
{
|
|
old_pos = editable->current_pos;
|
|
gtk_move_forward_character (entry);
|
|
gtk_editable_delete_text (editable, old_pos, editable->current_pos);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_delete_backward_character (GtkEntry *entry)
|
|
{
|
|
gint old_pos;
|
|
|
|
GtkEditable *editable;
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
if (editable->selection_start_pos != editable->selection_end_pos)
|
|
gtk_editable_delete_selection (editable);
|
|
else
|
|
{
|
|
old_pos = editable->current_pos;
|
|
gtk_move_backward_character (entry);
|
|
gtk_editable_delete_text (editable, editable->current_pos, old_pos);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_delete_forward_word (GtkEntry *entry)
|
|
{
|
|
gint old_pos;
|
|
|
|
GtkEditable *editable;
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
if (editable->selection_start_pos != editable->selection_end_pos)
|
|
gtk_editable_delete_selection (editable);
|
|
else
|
|
{
|
|
old_pos = editable->current_pos;
|
|
gtk_move_forward_word (entry);
|
|
gtk_editable_delete_text (editable, old_pos, editable->current_pos);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_delete_backward_word (GtkEntry *entry)
|
|
{
|
|
gint old_pos;
|
|
|
|
GtkEditable *editable;
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
if (editable->selection_start_pos != editable->selection_end_pos)
|
|
gtk_editable_delete_selection (editable);
|
|
else
|
|
{
|
|
old_pos = editable->current_pos;
|
|
gtk_move_backward_word (entry);
|
|
gtk_editable_delete_text (editable, editable->current_pos, old_pos);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_delete_line (GtkEntry *entry)
|
|
{
|
|
gtk_editable_delete_text (GTK_EDITABLE(entry), 0, entry->text_length);
|
|
}
|
|
|
|
static void
|
|
gtk_delete_to_line_end (GtkEntry *entry)
|
|
{
|
|
gtk_editable_delete_text (GTK_EDITABLE(entry), GTK_EDITABLE(entry)->current_pos, entry->text_length);
|
|
}
|
|
|
|
static void
|
|
gtk_select_word (GtkEntry *entry)
|
|
{
|
|
gint start_pos;
|
|
gint end_pos;
|
|
|
|
GtkEditable *editable;
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
gtk_move_backward_word (entry);
|
|
start_pos = editable->current_pos;
|
|
|
|
gtk_move_forward_word (entry);
|
|
end_pos = editable->current_pos;
|
|
|
|
gtk_entry_set_selection (editable, start_pos, end_pos);
|
|
}
|
|
|
|
static void
|
|
gtk_select_line (GtkEntry *entry)
|
|
{
|
|
GtkEditable *editable;
|
|
editable = GTK_EDITABLE (entry);
|
|
|
|
gtk_entry_set_selection (editable, 0, entry->text_length);
|
|
editable->current_pos = editable->selection_end_pos;
|
|
}
|
|
|
|
static void
|
|
gtk_entry_set_selection (GtkEditable *editable,
|
|
gint start,
|
|
gint end)
|
|
{
|
|
g_return_if_fail (GTK_IS_ENTRY (editable));
|
|
|
|
if (end < 0)
|
|
end = GTK_ENTRY (editable)->text_length;
|
|
|
|
editable->selection_start_pos = start;
|
|
editable->selection_end_pos = end;
|
|
|
|
gtk_entry_queue_draw (GTK_ENTRY (editable));
|
|
}
|
|
|
|
void
|
|
gtk_entry_select_region (GtkEntry *entry,
|
|
gint start,
|
|
gint end)
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE(entry), start, end);
|
|
}
|
|
|