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255 lines
7.7 KiB
255 lines
7.7 KiB
/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* gog-label.c
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*
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* Copyright (C) 2003-2004 Jody Goldberg (jody@gnome.org)
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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 version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include <goffice/goffice-config.h>
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#include <goffice/graph/gog-label.h>
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#include <goffice/graph/gog-outlined-object.h>
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#include <goffice/graph/gog-style.h>
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#include <goffice/graph/gog-theme.h>
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#include <goffice/graph/gog-view.h>
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#include <goffice/graph/gog-renderer.h>
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#include <goffice/graph/gog-data-set.h>
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#include <goffice/graph/gog-data-allocator.h>
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#include <goffice/graph/go-data.h>
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// #include <src/gui-util.h>
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#include <gui-util.h>
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#include <glib/gi18n.h>
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#include <gsf/gsf-impl-utils.h>
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#include <gtk/gtknotebook.h>
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#include <gtk/gtklabel.h>
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#include <gtk/gtkhbox.h>
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#include <gtk/gtkalignment.h>
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struct _GogLabel {
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GogOutlinedObject base;
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GogDatasetElement text;
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gboolean allow_markup;
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};
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typedef GogStyledObjectClass GogLabelClass;
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enum {
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LABEL_PROP_0,
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LABEL_PROP_ALLOW_MARKUP,
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};
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static GType gog_label_view_get_type (void);
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static GObjectClass *label_parent_klass;
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static GogViewClass *lview_parent_klass;
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static void
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gog_label_set_property (GObject *obj, guint param_id,
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GValue const *value, GParamSpec *pspec)
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{
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GogLabel *label = GOG_LABEL (obj);
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switch (param_id) {
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case LABEL_PROP_ALLOW_MARKUP :
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label->allow_markup = g_value_get_boolean (value);
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break;
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default: G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, param_id, pspec);
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return; /* NOTE : RETURN */
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}
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gog_object_emit_changed (GOG_OBJECT (obj), FALSE);
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}
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static void
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gog_label_get_property (GObject *obj, guint param_id,
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GValue *value, GParamSpec *pspec)
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{
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GogLabel *label = GOG_LABEL (obj);
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switch (param_id) {
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case LABEL_PROP_ALLOW_MARKUP :
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g_value_set_boolean (value, label->allow_markup);
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break;
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default: G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, param_id, pspec);
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break;
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}
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}
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static void
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gog_label_finalize (GObject *obj)
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{
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gog_dataset_finalize (GOG_DATASET (obj));
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(*label_parent_klass->finalize) (obj);
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}
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static gpointer
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gog_label_editor (GogObject *gobj, GogDataAllocator *dalloc, GnmCmdContext *cc)
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{
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static guint label_pref_page = 0;
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GtkWidget *notebook = gtk_notebook_new ();
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GtkWidget *hbox = gtk_hbox_new (FALSE, 12);
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GtkWidget *alignment = gtk_alignment_new (0, 0, 1, 0);
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gtk_container_set_border_width (GTK_CONTAINER (alignment), 12);
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gtk_box_pack_start (GTK_BOX (hbox),
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gtk_label_new_with_mnemonic (_("_Text:")), FALSE, TRUE, 0);
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gtk_box_pack_start (GTK_BOX (hbox),
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gog_data_allocator_editor (dalloc, GOG_DATASET (gobj), 0, GOG_DATA_SCALAR),
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TRUE, TRUE, 0);
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gtk_container_add (GTK_CONTAINER (alignment), hbox);
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gtk_widget_show_all (alignment);
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gtk_notebook_prepend_page (GTK_NOTEBOOK (notebook), alignment,
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gtk_label_new (_("Data")));
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gog_styled_object_editor (GOG_STYLED_OBJECT (gobj), cc, notebook);
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gog_style_handle_notebook (notebook, &label_pref_page);
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return notebook;
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}
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static void
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gog_label_init_style (GogStyledObject *gso, GogStyle *style)
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{
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style->interesting_fields = GOG_STYLE_OUTLINE | GOG_STYLE_FILL | GOG_STYLE_FONT;
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gog_theme_fillin_style (gog_object_get_theme (GOG_OBJECT (gso)),
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style, GOG_OBJECT (gso), 0, FALSE);
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}
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static void
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gog_label_class_init (GogLabelClass *klass)
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{
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GObjectClass *gobject_klass = (GObjectClass *) klass;
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GogObjectClass *gog_klass = (GogObjectClass *) klass;
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GogStyledObjectClass *style_klass = (GogStyledObjectClass *) klass;
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label_parent_klass = g_type_class_peek_parent (klass);
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gobject_klass->set_property = gog_label_set_property;
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gobject_klass->get_property = gog_label_get_property;
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gobject_klass->finalize = gog_label_finalize;
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g_object_class_install_property (gobject_klass, LABEL_PROP_ALLOW_MARKUP,
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g_param_spec_boolean ("allow-markup", "allow-markup",
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"Support basic html-ish markup",
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TRUE, G_PARAM_READWRITE|GOG_PARAM_PERSISTENT));
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gog_klass->editor = gog_label_editor;
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gog_klass->view_type = gog_label_view_get_type ();
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style_klass->init_style = gog_label_init_style;
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}
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static void
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gog_label_dims (GogDataset const *set, int *first, int *last)
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{
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*first = *last = 0;
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}
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static GogDatasetElement *
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gog_label_get_elem (GogDataset const *set, int dim_i)
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{
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GogLabel *label = GOG_LABEL (set);
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return &label->text;
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}
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static void
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gog_label_dim_changed (GogDataset *set, int dim_i)
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{
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gog_object_emit_changed (GOG_OBJECT (set), TRUE);
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}
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static void
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gog_label_dataset_init (GogDatasetClass *iface)
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{
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iface->dims = gog_label_dims;
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iface->get_elem = gog_label_get_elem;
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iface->dim_changed = gog_label_dim_changed;
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}
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GSF_CLASS_FULL (GogLabel, gog_label,
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gog_label_class_init, NULL,
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GOG_OUTLINED_OBJECT_TYPE, 0,
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GSF_INTERFACE (gog_label_dataset_init, GOG_DATASET_TYPE))
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/************************************************************************/
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typedef GogOutlinedView GogLabelView;
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typedef GogOutlinedViewClass GogLabelViewClass;
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#define GOG_LABEL_VIEW_TYPE (gog_label_view_get_type ())
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#define GOG_LABEL_VIEW(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GOG_LABEL_VIEW_TYPE, GogLabelView))
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#define IS_GOG_LABEL_VIEW(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GOG_LABEL_VIEW_TYPE))
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static void
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gog_label_view_size_request (GogView *v, GogViewRequisition *req)
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{
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GogLabel *l = GOG_LABEL (v->model);
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req->w = req->h = 0.;
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if (l->text.data != NULL) {
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char const *text = go_data_scalar_get_str (GO_DATA_SCALAR (l->text.data));
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if (text != NULL) {
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gog_renderer_push_style (v->renderer, l->base.base.style);
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gog_renderer_measure_text (v->renderer, text, req);
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gog_renderer_pop_style (v->renderer);
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}
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}
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lview_parent_klass->size_request (v, req);
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}
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static void
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gog_label_view_render (GogView *view, GogViewAllocation const *bbox)
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{
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GogLabel *l = GOG_LABEL (view->model);
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GogOutlinedObject *goo = GOG_OUTLINED_OBJECT (view->model);
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GogStyle *style = l->base.base.style;
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gog_renderer_push_style (view->renderer, style);
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if (l->text.data != NULL) {
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char const *text = go_data_scalar_get_str (GO_DATA_SCALAR (l->text.data));
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if (text != NULL) {
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double outline = gog_renderer_line_size (
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view->renderer, goo->base.style->outline.width);
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if (style->fill.type != GOG_FILL_STYLE_NONE || outline > 0.) {
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GogViewRequisition req;
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GogViewAllocation rect;
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double pad_x = gog_renderer_pt2r_x (view->renderer, goo->padding_pts);
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double pad_y = gog_renderer_pt2r_y (view->renderer, goo->padding_pts);
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gog_renderer_measure_text (view->renderer, text, &req);
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rect = view->allocation;
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rect.w = req.w + 2. * outline + pad_x;
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rect.h = req.h + 2. * outline + pad_y;
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gog_renderer_draw_sharp_rectangle (view->renderer, &rect, NULL);
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}
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gog_renderer_draw_text (view->renderer, text,
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&view->residual, GTK_ANCHOR_NW, NULL);
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}
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}
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gog_renderer_pop_style (view->renderer);
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}
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static void
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gog_label_view_class_init (GogLabelViewClass *gview_klass)
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{
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GogViewClass *view_klass = (GogViewClass *) gview_klass;
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lview_parent_klass = g_type_class_peek_parent (gview_klass);
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view_klass->size_request = gog_label_view_size_request;
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view_klass->render = gog_label_view_render;
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}
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static GSF_CLASS (GogLabelView, gog_label_view,
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gog_label_view_class_init, NULL,
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GOG_OUTLINED_VIEW_TYPE)
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