500 lines
14 KiB
C
500 lines
14 KiB
C
/*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser 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) version 3.
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*
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* This program 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the program; if not, see <http://www.gnu.org/licenses/>
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*
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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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* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
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*
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*/
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#include <config.h>
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#include <gtk/gtk.h>
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#include "e-util/e-util.h"
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#include "e-cell.h"
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G_DEFINE_TYPE (ECell, e_cell, GTK_TYPE_OBJECT)
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#define ECVIEW_EC_CLASS(v) (E_CELL_GET_CLASS (v->ecell))
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static ECellView *
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ec_new_view (ECell *ecell, ETableModel *table_model, gpointer e_table_item_view)
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{
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return NULL;
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}
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static void
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ec_realize (ECellView *e_cell)
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{
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}
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static void
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ec_kill_view (ECellView *ecell_view)
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{
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}
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static void
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ec_unrealize (ECellView *e_cell)
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{
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}
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static void
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ec_draw (ECellView *ecell_view, GdkDrawable *drawable,
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gint model_col, gint view_col, gint row, ECellFlags flags,
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gint x1, gint y1, gint x2, gint y2)
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{
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g_critical ("e-cell-draw invoked");
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}
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static gint
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ec_event (ECellView *ecell_view, GdkEvent *event, gint model_col, gint view_col, gint row, ECellFlags flags, ECellActions *actions)
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{
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g_critical ("e-cell-event invoked");
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return 0;
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}
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static gint
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ec_height (ECellView *ecell_view, gint model_col, gint view_col, gint row)
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{
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g_critical ("e-cell-height invoked");
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return 0;
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}
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static void
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ec_focus (ECellView *ecell_view, gint model_col, gint view_col, gint row, gint x1, gint y1, gint x2, gint y2)
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{
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ecell_view->focus_col = view_col;
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ecell_view->focus_row = row;
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ecell_view->focus_x1 = x1;
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ecell_view->focus_y1 = y1;
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ecell_view->focus_x2 = x2;
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ecell_view->focus_y2 = y2;
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}
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static void
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ec_unfocus (ECellView *ecell_view)
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{
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ecell_view->focus_col = -1;
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ecell_view->focus_row = -1;
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ecell_view->focus_x1 = -1;
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ecell_view->focus_y1 = -1;
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ecell_view->focus_x2 = -1;
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ecell_view->focus_y2 = -1;
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}
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static gpointer
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ec_enter_edit (ECellView *ecell_view, gint model_col, gint view_col, gint row)
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{
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return NULL;
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}
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static void
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ec_leave_edit (ECellView *ecell_view, gint model_col, gint view_col, gint row, gpointer context)
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{
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}
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static gpointer
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ec_save_state (ECellView *ecell_view, gint model_col, gint view_col, gint row, gpointer context)
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{
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return NULL;
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}
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static void
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ec_load_state (ECellView *ecell_view, gint model_col, gint view_col, gint row, gpointer context, gpointer save_state)
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{
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}
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static void
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ec_free_state (ECellView *ecell_view, gint model_col, gint view_col, gint row, gpointer save_state)
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{
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}
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static void
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ec_show_tooltip (ECellView *ecell_view, gint model_col, gint view_col, gint row, gint col_width, ETableTooltip *tooltip)
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{
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/* Do nothing */
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}
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static void
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e_cell_class_init (ECellClass *klass)
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{
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klass->realize = ec_realize;
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klass->unrealize = ec_unrealize;
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klass->new_view = ec_new_view;
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klass->kill_view = ec_kill_view;
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klass->draw = ec_draw;
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klass->event = ec_event;
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klass->focus = ec_focus;
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klass->unfocus = ec_unfocus;
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klass->height = ec_height;
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klass->enter_edit = ec_enter_edit;
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klass->leave_edit = ec_leave_edit;
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klass->save_state = ec_save_state;
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klass->load_state = ec_load_state;
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klass->free_state = ec_free_state;
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klass->print = NULL;
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klass->print_height = NULL;
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klass->max_width = NULL;
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klass->max_width_by_row = NULL;
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klass->show_tooltip = ec_show_tooltip;
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}
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static void
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e_cell_init (ECell *cell)
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{
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}
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/**
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* e_cell_event:
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* @ecell_view: The ECellView where the event will be dispatched
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* @event: The GdkEvent.
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* @model_col: the column in the model
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* @view_col: the column in the view
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* @row: the row
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* @flags: flags about the current state
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* @actions: A second return value in case the cell wants to take some action (specifically grabbing & ungrabbing)
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*
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* Dispatches the event @event to the @ecell_view for.
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*
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* Returns: processing state from the GdkEvent handling.
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*/
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gint
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e_cell_event (ECellView *ecell_view, GdkEvent *event, gint model_col, gint view_col, gint row, ECellFlags flags, ECellActions *actions)
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{
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return ECVIEW_EC_CLASS(ecell_view)->event (
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ecell_view, event, model_col, view_col, row, flags, actions);
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}
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/**
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* e_cell_new_view:
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* @ecell: the Ecell that will create the new view
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* @table_model: the table model the ecell is bound to
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* @e_table_item_view: An ETableItem object (the CanvasItem that reprensents the view of the table)
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*
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* ECell renderers new to be bound to a table_model and to the actual view
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* during their life time to actually render the data. This method is invoked
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* by the ETableItem canvas item to instatiate a new view of the ECell.
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*
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* This is invoked when the ETableModel is attached to the ETableItem (a CanvasItem
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* that can render ETableModels in the screen).
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*
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* Returns: a new ECellView for this @ecell on the @table_model displayed on the @e_table_item_view.
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*/
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ECellView *
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e_cell_new_view (ECell *ecell, ETableModel *table_model, gpointer e_table_item_view)
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{
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return E_CELL_GET_CLASS (ecell)->new_view (
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ecell, table_model, e_table_item_view);
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}
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/**
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* e_cell_realize:
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* @ecell_view: The ECellView to be realized.
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*
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* This function is invoked to give a chance to the ECellView to allocate
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* any resources it needs from Gdk, equivalent to the GtkWidget::realize
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* signal.
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*/
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void
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e_cell_realize (ECellView *ecell_view)
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{
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ECVIEW_EC_CLASS(ecell_view)->realize (ecell_view);
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}
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/**
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* e_cell_kill_view:
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* @ecell_view: view to be destroyed.
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*
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* This method it used to destroy a view of an ECell renderer
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*/
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void
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e_cell_kill_view (ECellView *ecell_view)
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{
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ECVIEW_EC_CLASS(ecell_view)->kill_view (ecell_view);
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}
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/**
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* e_cell_unrealize:
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* @ecell_view: The ECellView to be unrealized.
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*
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* This function is invoked to give a chance to the ECellView to
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* release any resources it allocated during the realize method,
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* equivalent to the GtkWidget::unrealize signal.
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*/
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void
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e_cell_unrealize (ECellView *ecell_view)
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{
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ECVIEW_EC_CLASS(ecell_view)->unrealize (ecell_view);
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}
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/**
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* e_cell_draw:
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* @ecell_view: the ECellView to redraw
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* @drawable: draw desination
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* @model_col: the column in the model being drawn.
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* @view_col: the column in the view being drawn (what the model maps to).
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* @row: the row being drawn
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* @flags: rendering flags.
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* @x1: boudary for the rendering
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* @y1: boudary for the rendering
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* @x2: boudary for the rendering
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* @y2: boudary for the rendering
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*
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* This instructs the ECellView to render itself into the drawable. The
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* region to be drawn in given by (x1,y1)-(x2,y2).
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*
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* The most important flags are %E_CELL_SELECTED and %E_CELL_FOCUSED, other
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* flags include alignments and justifications.
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*/
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void
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e_cell_draw (ECellView *ecell_view, GdkDrawable *drawable,
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gint model_col, gint view_col, gint row, ECellFlags flags,
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gint x1, gint y1, gint x2, gint y2)
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{
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g_return_if_fail (ecell_view != NULL);
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g_return_if_fail (row >= 0);
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g_return_if_fail (row < e_table_model_row_count(ecell_view->e_table_model));
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ECVIEW_EC_CLASS(ecell_view)->draw (ecell_view, drawable, model_col, view_col, row, flags, x1, y1, x2, y2);
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}
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/**
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* e_cell_print:
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* @ecell_view: the ECellView to redraw
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* @context: The GtkPrintContext where we output our printed data.
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* @model_col: the column in the model being drawn.
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* @view_col: the column in the view being drawn (what the model maps to).
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* @row: the row being drawn
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* @width: width
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* @height: height
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*
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* FIXME:
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*/
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void
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e_cell_print (ECellView *ecell_view, GtkPrintContext *context,
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gint model_col, gint view_col, gint row,
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double width, double height)
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{
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if (ECVIEW_EC_CLASS(ecell_view)->print)
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ECVIEW_EC_CLASS(ecell_view)->print (ecell_view, context, model_col, view_col, row, width, height);
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}
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/**
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* e_cell_print:
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*
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* FIXME:
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*/
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gdouble
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e_cell_print_height (ECellView *ecell_view, GtkPrintContext *context,
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gint model_col, gint view_col, gint row,
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double width)
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{
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if (ECVIEW_EC_CLASS(ecell_view)->print_height)
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return ECVIEW_EC_CLASS(ecell_view)->print_height
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(ecell_view, context, model_col, view_col, row, width);
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else
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return 0.0;
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}
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/**
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* e_cell_height:
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* @ecell_view: the ECellView.
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* @model_col: the column in the model
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* @view_col: the column in the view.
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* @row: the row to me measured
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*
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* Returns: the height of the cell at @model_col, @row rendered at
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* @view_col, @row.
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*/
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gint
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e_cell_height (ECellView *ecell_view, gint model_col, gint view_col, gint row)
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{
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return ECVIEW_EC_CLASS(ecell_view)->height (ecell_view, model_col, view_col, row);
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}
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/**
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* e_cell_enter_edit:
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* @ecell_view: the ECellView that will enter editing
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* @model_col: the column in the model
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* @view_col: the column in the view
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* @row: the row
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*
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* Notifies the ECellView that it is about to enter editing mode for
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* @model_col, @row rendered at @view_col, @row.
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*/
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gpointer
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e_cell_enter_edit (ECellView *ecell_view, gint model_col, gint view_col, gint row)
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{
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return ECVIEW_EC_CLASS(ecell_view)->enter_edit (ecell_view, model_col, view_col, row);
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}
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/**
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* e_cell_leave_edit:
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* @ecell_view: the ECellView that will leave editing
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* @model_col: the column in the model
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* @view_col: the column in the view
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* @row: the row
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* @edit_context: the editing context
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*
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* Notifies the ECellView that editing is finished at @model_col, @row
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* rendered at @view_col, @row.
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*/
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void
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e_cell_leave_edit (ECellView *ecell_view, gint model_col, gint view_col, gint row, gpointer edit_context)
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{
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ECVIEW_EC_CLASS(ecell_view)->leave_edit (ecell_view, model_col, view_col, row, edit_context);
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}
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/**
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* e_cell_save_state:
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* @ecell_view: the ECellView to save
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* @model_col: the column in the model
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* @view_col: the column in the view
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* @row: the row
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* @edit_context: the editing context
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*
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* Returns: The save state.
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*
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* Requests that the ECellView return a gpointer representing the state
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* of the ECell. This is primarily intended for things like selection
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* or scrolling.
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*/
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gpointer
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e_cell_save_state (ECellView *ecell_view, gint model_col, gint view_col, gint row, gpointer edit_context)
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{
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if (ECVIEW_EC_CLASS(ecell_view)->save_state)
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return ECVIEW_EC_CLASS(ecell_view)->save_state (ecell_view, model_col, view_col, row, edit_context);
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else
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return NULL;
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}
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/**
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* e_cell_load_state:
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* @ecell_view: the ECellView to load
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* @model_col: the column in the model
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* @view_col: the column in the view
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* @row: the row
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* @edit_context: the editing context
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* @save_state: the save state to load from
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*
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* Requests that the ECellView load from the given save state.
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*/
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void
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e_cell_load_state (ECellView *ecell_view, gint model_col, gint view_col, gint row, gpointer edit_context, gpointer save_state)
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{
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if (ECVIEW_EC_CLASS(ecell_view)->load_state)
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ECVIEW_EC_CLASS(ecell_view)->load_state (ecell_view, model_col, view_col, row, edit_context, save_state);
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}
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/**
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* e_cell_load_state:
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* @ecell_view: the ECellView
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* @model_col: the column in the model
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* @view_col: the column in the view
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* @row: the row
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* @edit_context: the editing context
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* @save_state: the save state to free
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*
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* Requests that the ECellView free the given save state.
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*/
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void
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e_cell_free_state (ECellView *ecell_view, gint model_col, gint view_col, gint row, gpointer save_state)
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{
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if (ECVIEW_EC_CLASS(ecell_view)->free_state)
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ECVIEW_EC_CLASS(ecell_view)->free_state (ecell_view, model_col, view_col, row, save_state);
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}
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/**
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* e_cell_max_width:
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* @ecell_view: the ECellView that will leave editing
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* @model_col: the column in the model
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* @view_col: the column in the view.
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*
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* Returns: the maximum width for the ECellview at @model_col which
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* is being rendered as @view_col
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*/
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gint
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e_cell_max_width (ECellView *ecell_view, gint model_col, gint view_col)
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{
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return ECVIEW_EC_CLASS(ecell_view)->max_width
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(ecell_view, model_col, view_col);
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}
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/**
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* e_cell_max_width_by_row:
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* @ecell_view: the ECellView that we are curious about
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* @model_col: the column in the model
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* @view_col: the column in the view.
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* @row: The row in the model.
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*
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* Returns: the maximum width for the ECellview at @model_col which
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* is being rendered as @view_col for the data in @row.
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*/
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gint
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e_cell_max_width_by_row (ECellView *ecell_view, gint model_col, gint view_col, gint row)
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{
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if (ECVIEW_EC_CLASS(ecell_view)->max_width_by_row)
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return ECVIEW_EC_CLASS(ecell_view)->max_width_by_row
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(ecell_view, model_col, view_col, row);
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else
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return e_cell_max_width (ecell_view, model_col, view_col);
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}
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/**
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* e_cell_max_width_by_row_implemented:
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* @ecell_view: the ECellView that we are curious about
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* @model_col: the column in the model
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* @view_col: the column in the view.
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* @row: The row in the model.
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*
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* Returns: the maximum width for the ECellview at @model_col which
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* is being rendered as @view_col for the data in @row.
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*/
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gboolean
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e_cell_max_width_by_row_implemented (ECellView *ecell_view)
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{
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return (ECVIEW_EC_CLASS(ecell_view)->max_width_by_row != NULL);
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}
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void
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e_cell_show_tooltip (ECellView *ecell_view, gint model_col, gint view_col,
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gint row, gint col_width, ETableTooltip *tooltip)
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{
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ECVIEW_EC_CLASS(ecell_view)->show_tooltip
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(ecell_view, model_col, view_col, row, col_width, tooltip);
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}
|
|
|
|
gchar *
|
|
e_cell_get_bg_color(ECellView *ecell_view, gint row)
|
|
{
|
|
if (ECVIEW_EC_CLASS(ecell_view)->get_bg_color)
|
|
return ECVIEW_EC_CLASS(ecell_view)->get_bg_color (ecell_view, row);
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
e_cell_style_set(ECellView *ecell_view, GtkStyle *previous_style)
|
|
{
|
|
if (ECVIEW_EC_CLASS(ecell_view)->style_set)
|
|
ECVIEW_EC_CLASS(ecell_view)->style_set (ecell_view, previous_style);
|
|
}
|
|
|