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Diffstat (limited to 'widgets/table/e-cell-toggle.c')
| -rw-r--r-- | widgets/table/e-cell-toggle.c | 352 |
1 files changed, 0 insertions, 352 deletions
diff --git a/widgets/table/e-cell-toggle.c b/widgets/table/e-cell-toggle.c deleted file mode 100644 index 9ae91d5abc..0000000000 --- a/widgets/table/e-cell-toggle.c +++ /dev/null @@ -1,352 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-cell-toggle.c - Multi-state image toggle cell object. - * Copyright 1999, 2000, Ximian, Inc. - * - * Authors: - * Miguel de Icaza <miguel@ximian.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License, version 2, as published by the Free Software Foundation. - * - * This library is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#include <config.h> -#include <gtk/gtkenums.h> -#include <gtk/gtkentry.h> -#include <gtk/gtkwindow.h> -#include <gtk/gtksignal.h> -#include <gdk/gdkkeysyms.h> -#include <libgnomeui/gnome-canvas.h> -#include "e-cell-toggle.h" -#include "gal/util/e-util.h" -#include "e-table-item.h" - -#define PARENT_TYPE e_cell_get_type () - -typedef struct { - ECellView cell_view; - GdkGC *gc; - GnomeCanvas *canvas; -} ECellToggleView; - -static ECellClass *parent_class; - -static void -etog_queue_redraw (ECellToggleView *text_view, int view_col, int view_row) -{ - e_table_item_redraw_range ( - text_view->cell_view.e_table_item_view, - view_col, view_row, view_col, view_row); -} - -/* - * ECell::realize method - */ -static ECellView * -etog_new_view (ECell *ecell, ETableModel *table_model, void *e_table_item_view) -{ - ECellToggleView *toggle_view = g_new0 (ECellToggleView, 1); - ETableItem *eti = E_TABLE_ITEM (e_table_item_view); - GnomeCanvas *canvas = GNOME_CANVAS_ITEM (eti)->canvas; - - toggle_view->cell_view.ecell = ecell; - toggle_view->cell_view.e_table_model = table_model; - toggle_view->cell_view.e_table_item_view = e_table_item_view; - toggle_view->canvas = canvas; - - return (ECellView *) toggle_view; -} - -static void -etog_kill_view (ECellView *ecell_view) -{ - g_free (ecell_view); -} - -static void -etog_realize (ECellView *ecell_view) -{ - ECellToggleView *toggle_view = (ECellToggleView *) ecell_view; - - toggle_view->gc = gdk_gc_new (GTK_WIDGET (toggle_view->canvas)->window); -} - -/* - * ECell::unrealize method - */ -static void -etog_unrealize (ECellView *ecv) -{ - ECellToggleView *toggle_view = (ECellToggleView *) ecv; - - gdk_gc_unref (toggle_view->gc); - toggle_view->gc = NULL; -} - -/* - * ECell::draw method - */ -static void -etog_draw (ECellView *ecell_view, GdkDrawable *drawable, - int model_col, int view_col, int row, ECellFlags flags, - int x1, int y1, int x2, int y2) -{ - ECellToggle *toggle = E_CELL_TOGGLE (ecell_view->ecell); - gboolean selected; -#if 0 - ECellToggleView *toggle_view = (ECellToggleView *) ecell_view; -#endif - GdkPixbuf *image; - int x, y, width, height; - - const int value = GPOINTER_TO_INT ( - e_table_model_value_at (ecell_view->e_table_model, model_col, row)); - - selected = flags & E_CELL_SELECTED; - - if (value >= toggle->n_states){ - g_warning ("Value from the table model is %d, the states we support are [0..%d)\n", - value, toggle->n_states); - return; - } - - image = toggle->images [value]; - - if ((x2 - x1) < gdk_pixbuf_get_width (image)){ - x = x1; - width = x2 - x1; - } else { - x = x1 + ((x2 - x1) - gdk_pixbuf_get_width (image)) / 2; - width = gdk_pixbuf_get_width (image); - } - - if ((y2 - y1) < gdk_pixbuf_get_height (image)){ - y = y1; - height = y2 - y1; - } else { - y = y1 + ((y2 - y1) - gdk_pixbuf_get_height (image)) / 2; - height = gdk_pixbuf_get_height (image); - } - -#if 0 /* do alpha */ - if (gdk_pixbuf_get_has_alpha (image)) { - flat = gdk_pixbuf_composite_color_simple ( - image, - gdk_pixbuf_get_width (image), - gdk_pixbuf_get_height (image), - GDK_INTERP_NEAREST, - 255, - 32, - 0xffffff, 0xffffff); - - gdk_pixbuf_render_to_drawable (flat, drawable, - toggle_view->gc, - 0, 0, - x, y, - width, height, - GDK_RGB_DITHER_NORMAL, - 0, 0); - gdk_pixbuf_unref (flat); - } else { - gdk_pixbuf_render_to_drawable (image, drawable, - toggle_view->gc, - 0, 0, - x, y, - width, height, - GDK_RGB_DITHER_NORMAL, - 0, 0); - } -#else - gdk_pixbuf_render_to_drawable_alpha (image, drawable, - 0, 0, - x, y, - width, height, - GDK_PIXBUF_ALPHA_BILEVEL, - 128, - GDK_RGB_DITHER_NORMAL, - x, y); -#endif -} - -static void -etog_set_value (ECellToggleView *toggle_view, int model_col, int view_col, int row, int value) -{ - ECell *ecell = toggle_view->cell_view.ecell; - ECellToggle *toggle = E_CELL_TOGGLE (ecell); - - if (value >= toggle->n_states) - value = 0; - - e_table_model_set_value_at (toggle_view->cell_view.e_table_model, - model_col, row, GINT_TO_POINTER (value)); - etog_queue_redraw (toggle_view, view_col, row); -} - -/* - * ECell::event method - */ -static gint -etog_event (ECellView *ecell_view, GdkEvent *event, int model_col, int view_col, int row, ECellFlags flags, ECellActions *actions) -{ - ECellToggleView *toggle_view = (ECellToggleView *) ecell_view; - void *_value = e_table_model_value_at (ecell_view->e_table_model, model_col, row); - const int value = GPOINTER_TO_INT (_value); - -#if 0 - if (!(flags & E_CELL_EDITING)) - return FALSE; -#endif - - switch (event->type){ - case GDK_KEY_PRESS: - if (event->key.keyval != GDK_space) - return FALSE; - /* Fall through */ - case GDK_BUTTON_PRESS: - if (!e_table_model_is_cell_editable(ecell_view->e_table_model, model_col, row)) - return FALSE; - - etog_set_value (toggle_view, model_col, view_col, row, value + 1); - return TRUE; - - default: - return FALSE; - } - return TRUE; -} - -/* - * ECell::height method - */ -static int -etog_height (ECellView *ecell_view, int model_col, int view_col, int row) -{ - ECellToggle *toggle = E_CELL_TOGGLE (ecell_view->ecell); - - return toggle->height; -} - -/* - * ECell::max_width method - */ -static int -etog_max_width (ECellView *ecell_view, int model_col, int view_col) -{ - ECellToggle *toggle = E_CELL_TOGGLE (ecell_view->ecell); - int max_width = 0; - int number_of_rows; - int row; - - number_of_rows = e_table_model_row_count (ecell_view->e_table_model); - for (row = 0; row < number_of_rows; row++) { - void *value = e_table_model_value_at (ecell_view->e_table_model, - model_col, row); - max_width = MAX (max_width, gdk_pixbuf_get_width (toggle->images[GPOINTER_TO_INT (value)])); - } - - return max_width; -} - -static void -etog_destroy (GtkObject *object) -{ - ECellToggle *etog = E_CELL_TOGGLE (object); - int i; - - for (i = 0; i < etog->n_states; i++) - gdk_pixbuf_unref (etog->images [i]); - - g_free (etog->images); - - GTK_OBJECT_CLASS (parent_class)->destroy (object); -} - -static void -e_cell_toggle_class_init (GtkObjectClass *object_class) -{ - ECellClass *ecc = (ECellClass *) object_class; - - object_class->destroy = etog_destroy; - - ecc->new_view = etog_new_view; - ecc->kill_view = etog_kill_view; - ecc->realize = etog_realize; - ecc->unrealize = etog_unrealize; - ecc->draw = etog_draw; - ecc->event = etog_event; - ecc->height = etog_height; - ecc->max_width = etog_max_width; - - parent_class = gtk_type_class (PARENT_TYPE); -} - -E_MAKE_TYPE(e_cell_toggle, "ECellToggle", ECellToggle, e_cell_toggle_class_init, NULL, PARENT_TYPE); - -/** - * e_cell_toggle_construct: - * @etog: a fresh ECellToggle object - * @border: number of pixels used as a border - * @n_states: number of states the toggle will have - * @images: a collection of @n_states images, one for each state. - * - * Constructs the @etog object with the @border, @n_staes, and @images - * arguments. - */ -void -e_cell_toggle_construct (ECellToggle *etog, int border, int n_states, GdkPixbuf **images) -{ - int max_height = 0; - int i; - - etog->border = border; - etog->n_states = n_states; - - etog->images = g_new (GdkPixbuf *, n_states); - - for (i = 0; i < n_states; i++){ - etog->images [i] = images [i]; - gdk_pixbuf_ref (images [i]); - - if (gdk_pixbuf_get_height (images [i]) > max_height) - max_height = gdk_pixbuf_get_height (images [i]); - } - - etog->height = max_height; -} - -/** - * e_cell_checkbox_new: - * @border: number of pixels used as a border - * @n_states: number of states the toggle will have - * @images: a collection of @n_states images, one for each state. - * - * Creates a new ECell renderer that can be used to render toggle - * buttons with the images specified in @images. The value returned - * by ETableModel::get_value is typecase into an integer and clamped - * to the [0..n_states) range. That will select the image rendered. - * - * Returns: an ECell object that can be used to render multi-state - * toggle cells. - */ -ECell * -e_cell_toggle_new (int border, int n_states, GdkPixbuf **images) -{ - ECellToggle *etog = gtk_type_new (e_cell_toggle_get_type ()); - - e_cell_toggle_construct (etog, border, n_states, images); - - return (ECell *) etog; -} - - |