0517e6655c
2003-10-14 Suresh Chandrasekharan <suresh.chandrasekharan@sun.com> * Support for preedit in e-text widgets. * gal/gal/e-text/e-text.c: Added e_text_preedit_changed_cb and insert_preedit_text. * Modified the following functions. (e_text_draw) Calls insert_preedit_text also cursor pos @ the end of text->selection_start + text->preedit_len (e_text_event) Added hooks for preedit_cb (e_text_init) Inits text->preedit_len (e_text_retrieve_surrounding_cb) Removed printf (e_text_delete_surrounding_cb) Correct params for gtk_editable_delete_text to make it work. * gal/gal/e-text/e-text.h: Added preedit_len in struct _EText 2003-09-25 Suresh Chandrasekharan <suresh.chandrasekharan@sun.com> * Fix for "44222 task summary entry widget not i18ned". The following files are changed. * gal/gal/e-table/e-cell-text.c: Lots of changes for i18n selection/input support. Added these functions for input method support. (e_cell_text_preedit_changed_cb) (e_cell_text_commit_cb) (e_cell_text_retrieve_surrounding_cb) (e_cell_text_delete_surrounding_cb) (layout_with_preedit) This function inserts the preedit string with the right attribs to the layout text. (build_attr_list) Creates the PangoAttrList with bold/stikeout/underline as applicable for the current ECellText. The following functions are modified. (ect_stop_editing): disconnect signal handlers when editing stops (ect_draw): Changes for including the preedit only to the currently selected row/col. Also display the cursor at the end of preedit text. (ect_event): Connects the IM callbacks to the key press event. Disconnect when not in editing mode. Also a special flag to see when Enter key pressed in preedit mode, the text is committed only not a new row is created. This woks in conjunction with the changes made in the eti_event in e-table-item.c file and e-cell.h. (ect_height): Changes due to parameters changing for generate_layout (ect_enter_edit): Initialization of im_context for a cell text and assoociated flags. (ect_max_width): Changes due to parameters changing for generate_layout. (ect_max_width_by_row): Changes due to parameters changing for generate_layout. (ect_show_tooltip): Changes due to parameters changing for generate_layout. (e_cell_text_construct): check whether paramters are NULL. (get_position_from_xy): Changes due to parameters changing for generate_layout. (_insert): Set the selection_start as the minimum of strlen(edit->text) and selection_start. Used to correct the preedit_string length which may have added to the selection_start. (e_cell_text_view_command): When inserting, if in the preedit mode do not delete the selection. (_selection_get): Set utf8 data instead of string data. (_selection_received): Take in UTF8_ATOM inaddition to GDK_SELECTION_TYPE_STRING. (e_cell_text_view_get_selection): Make utf8 data when acting as a selection source. * gal/e-table/e-cell-text.h : Included <gtk/gtkmenu.h> * gal/e-table/e-cell.h: Added enum E_CELL_PREEDIT to ECellFlags * gal/e-table/e-table-item.c: (eti_event) Changes for not committing the edited text as a seperate row in preedit mode. * gal/e-table/e-table.c: (table_canvas_focus_event_cb) To have proper im_context focus for the ecanvas holding the e-table. svn path=/trunk/; revision=22882
225 lines
9.0 KiB
C
225 lines
9.0 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* e-cell.h
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* Copyright 1999, 2000, 2001, Ximian, Inc.
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*
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* Authors:
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* Miguel de Icaza <miguel@ximian.com>
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* Chris Lahey <clahey@ximian.com>
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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, version 2, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful, but
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* 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 Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef _E_CELL_H_
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#define _E_CELL_H_
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#include <gdk/gdktypes.h>
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#include <libgnomeprint/gnome-print.h>
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#include <libgnomeprint/gnome-font.h>
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#include <gal/e-table/e-table-model.h>
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#include <gal/e-table/e-table-tooltip.h>
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G_BEGIN_DECLS
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#define E_CELL_TYPE (e_cell_get_type ())
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#define E_CELL(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), E_CELL_TYPE, ECell))
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#define E_CELL_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), E_CELL_TYPE, ECellClass))
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#define E_CELL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), E_CELL_TYPE, ECellClass))
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#define E_IS_CELL(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), E_CELL_TYPE))
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#define E_IS_CELL_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), E_CELL_TYPE))
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typedef gboolean (*ETableSearchFunc) (gconstpointer haystack,
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const char *needle);
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typedef enum {
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E_CELL_SELECTED = 1 << 0,
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E_CELL_JUSTIFICATION = 3 << 1,
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E_CELL_JUSTIFY_CENTER = 0 << 1,
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E_CELL_JUSTIFY_LEFT = 1 << 1,
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E_CELL_JUSTIFY_RIGHT = 2 << 1,
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E_CELL_JUSTIFY_FILL = 3 << 1,
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E_CELL_ALIGN_LEFT = 1 << 1,
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E_CELL_ALIGN_RIGHT = 1 << 2,
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E_CELL_FOCUSED = 1 << 3,
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E_CELL_EDITING = 1 << 4,
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E_CELL_CURSOR = 1 << 5,
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E_CELL_PREEDIT = 1 << 6
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} ECellFlags;
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typedef enum {
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E_CELL_GRAB = 1 << 0,
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E_CELL_UNGRAB = 1 << 1
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} ECellActions;
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typedef struct {
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GtkObject object;
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} ECell;
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typedef struct {
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ECell *ecell;
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ETableModel *e_table_model;
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void *e_table_item_view;
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gint focus_x1, focus_y1, focus_x2, focus_y2;
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gint focus_col, focus_row;
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} ECellView;
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#define E_CELL_IS_FOCUSED(ecell_view) (ecell_view->focus_x1 != -1)
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typedef struct {
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GtkObjectClass parent_class;
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ECellView *(*new_view) (ECell *ecell, ETableModel *table_model, void *e_table_item_view);
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void (*kill_view) (ECellView *ecell_view);
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void (*realize) (ECellView *ecell_view);
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void (*unrealize) (ECellView *ecell_view);
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void (*draw) (ECellView *ecell_view, GdkDrawable *drawable,
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int model_col, int view_col, int row,
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ECellFlags flags, int x1, int y1, int x2, int y2);
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gint (*event) (ECellView *ecell_view, GdkEvent *event, int model_col, int view_col, int row, ECellFlags flags, ECellActions *actions);
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void (*focus) (ECellView *ecell_view, int model_col, int view_col,
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int row, int x1, int y1, int x2, int y2);
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void (*unfocus) (ECellView *ecell_view);
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int (*height) (ECellView *ecell_view, int model_col, int view_col, int row);
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void *(*enter_edit) (ECellView *ecell_view, int model_col, int view_col, int row);
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void (*leave_edit) (ECellView *ecell_view, int model_col, int view_col, int row, void *context);
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void *(*save_state) (ECellView *ecell_view, int model_col, int view_col, int row, void *context);
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void (*load_state) (ECellView *ecell_view, int model_col, int view_col, int row, void *context, void *save_state);
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void (*free_state) (ECellView *ecell_view, int model_col, int view_col, int row, void *save_state);
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void (*print) (ECellView *ecell_view, GnomePrintContext *context,
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int model_col, int view_col, int row,
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gdouble width, gdouble height);
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gdouble (*print_height) (ECellView *ecell_view, GnomePrintContext *context,
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int model_col, int view_col, int row, gdouble width);
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int (*max_width) (ECellView *ecell_view, int model_col, int view_col);
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int (*max_width_by_row) (ECellView *ecell_view, int model_col, int view_col, int row);
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void (*show_tooltip) (ECellView *ecell_view, int model_col, int view_col, int row, int col_width, ETableTooltip *tooltip);
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gchar *(*get_bg_color) (ECellView *ecell_view, int row);
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void (*style_set) (ECellView *ecell_view, GtkStyle *previous_style);
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} ECellClass;
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GType e_cell_get_type (void);
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/* View creation methods. */
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ECellView *e_cell_new_view (ECell *ecell,
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ETableModel *table_model,
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void *e_table_item_view);
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void e_cell_kill_view (ECellView *ecell_view);
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/* Cell View methods. */
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gint e_cell_event (ECellView *ecell_view,
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GdkEvent *event,
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int model_col,
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int view_col,
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int row,
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ECellFlags flags,
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ECellActions *actions);
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void e_cell_realize (ECellView *ecell_view);
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void e_cell_unrealize (ECellView *ecell_view);
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void e_cell_draw (ECellView *ecell_view,
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GdkDrawable *drawable,
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int model_col,
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int view_col,
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int row,
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ECellFlags flags,
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int x1,
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int y1,
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int x2,
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int y2);
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void e_cell_print (ECellView *ecell_view,
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GnomePrintContext *context,
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int model_col,
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int view_col,
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int row,
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double width,
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double height);
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gdouble e_cell_print_height (ECellView *ecell_view,
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GnomePrintContext *context,
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int model_col,
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int view_col,
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int row,
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gdouble width);
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int e_cell_max_width (ECellView *ecell_view,
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int model_col,
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int view_col);
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int e_cell_max_width_by_row (ECellView *ecell_view,
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int model_col,
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int view_col,
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int row);
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gboolean e_cell_max_width_by_row_implemented (ECellView *ecell_view);
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void e_cell_show_tooltip (ECellView *ecell_view,
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int model_col,
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int view_col,
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int row,
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int col_width,
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ETableTooltip *tooltip);
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gchar *e_cell_get_bg_color (ECellView *ecell_view,
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int row);
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void e_cell_style_set (ECellView *ecell_view,
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GtkStyle *previous_style);
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void e_cell_focus (ECellView *ecell_view,
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int model_col,
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int view_col,
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int row,
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int x1,
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int y1,
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int x2,
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int y2);
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void e_cell_unfocus (ECellView *ecell_view);
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int e_cell_height (ECellView *ecell_view,
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int model_col,
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int view_col,
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int row);
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void *e_cell_enter_edit (ECellView *ecell_view,
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int model_col,
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int view_col,
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int row);
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void e_cell_leave_edit (ECellView *ecell_view,
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int model_col,
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int view_col,
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int row,
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void *edit_context);
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void *e_cell_save_state (ECellView *ecell_view,
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int model_col,
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int view_col,
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int row,
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void *edit_context);
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void e_cell_load_state (ECellView *ecell_view,
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int model_col,
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int view_col,
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int row,
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void *edit_context,
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void *state);
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void e_cell_free_state (ECellView *ecell_view,
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int model_col,
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int view_col,
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int row,
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void *state);
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G_END_DECLS
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#endif /* _E_CELL_H_ */
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