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gnucash/lib/goffice/graph/gog-label.c

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7.7 KiB

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