+++ /dev/null
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
-
-/*
- * (GLABELS) Label and Business Card Creation program for GNOME
- *
- * wdgt_rotate_label.c: label rotate selection widget module
- *
- * Copyright (C) 2001-2006 Jim Evins <evins@snaught.com>.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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 <config.h>
-
-#include "wdgt-rotate-label.h"
-
-#include <glib/gi18n.h>
-#include <glade/glade-xml.h>
-#include <gtk/gtktogglebutton.h>
-#include <gtk/gtkcheckbutton.h>
-#include <gtk/gtkdrawingarea.h>
-#include <math.h>
-
-#include "marshal.h"
-#include "color.h"
-#include <libglabels/db.h>
-#include "cairo-label-path.h"
-
-#include "debug.h"
-
-/*========================================================*/
-/* Private macros and constants. */
-/*========================================================*/
-#define MINI_PREVIEW_MAX_PIXELS 48
-#define MINI_PREVIEW_CANVAS_PIXELS (MINI_PREVIEW_MAX_PIXELS + 8)
-
-#define LINE_COLOR GL_COLOR(0,0,0)
-#define FILL_COLOR GL_COLOR(255,255,255)
-
-#define LINE_WIDTH_PIXELS 1.0
-
-#define SHADOW_X_OFFSET 3
-#define SHADOW_Y_OFFSET 3
-
-
-/*===========================================*/
-/* Private types */
-/*===========================================*/
-
-struct _glWdgtRotateLabelPrivate {
-
- GtkWidget *rotate_check;
- GtkWidget *rotate_drawingarea;
-
- lglTemplate *template;
-};
-
-enum {
- CHANGED,
- LAST_SIGNAL
-};
-
-/*===========================================*/
-/* Private globals */
-/*===========================================*/
-
-static gint wdgt_rotate_label_signals[LAST_SIGNAL] = { 0 };
-
-/*===========================================*/
-/* Local function prototypes */
-/*===========================================*/
-
-static void gl_wdgt_rotate_label_finalize (GObject *object);
-
-static void gl_wdgt_rotate_label_construct (glWdgtRotateLabel *rotate_label);
-
-static void entry_changed_cb (GtkToggleButton *toggle,
- gpointer user_data);
-
-static void drawingarea_update (GtkDrawingArea *drawing_area,
- lglTemplate *template,
- gboolean rotate_flag);
-
-static gboolean expose_cb (GtkWidget *drawingarea,
- GdkEventExpose *event,
- gpointer user_data);
-
-
-/****************************************************************************/
-/* Boilerplate Object stuff. */
-/****************************************************************************/
-G_DEFINE_TYPE (glWdgtRotateLabel, gl_wdgt_rotate_label, GTK_TYPE_VBOX);
-
-
-static void
-gl_wdgt_rotate_label_class_init (glWdgtRotateLabelClass *class)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (class);
-
- gl_wdgt_rotate_label_parent_class = g_type_class_peek_parent (class);
-
- object_class->finalize = gl_wdgt_rotate_label_finalize;
-
- wdgt_rotate_label_signals[CHANGED] =
- g_signal_new ("changed",
- G_OBJECT_CLASS_TYPE(object_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (glWdgtRotateLabelClass, changed),
- NULL, NULL,
- gl_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
-
-}
-
-static void
-gl_wdgt_rotate_label_init (glWdgtRotateLabel *rotate_label)
-{
- rotate_label->priv = g_new0 (glWdgtRotateLabelPrivate, 1);
-}
-
-static void
-gl_wdgt_rotate_label_finalize (GObject *object)
-{
- glWdgtRotateLabel *rotate_label = GL_WDGT_ROTATE_LABEL (object);
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GL_IS_WDGT_ROTATE_LABEL (object));
-
- if (rotate_label->priv->template) {
- lgl_template_free (rotate_label->priv->template);
- rotate_label->priv->template = NULL;
- }
- g_free (rotate_label->priv);
-
- G_OBJECT_CLASS (gl_wdgt_rotate_label_parent_class)->finalize (object);
-}
-
-GtkWidget *
-gl_wdgt_rotate_label_new (void)
-{
- glWdgtRotateLabel *rotate_label;
-
- rotate_label = g_object_new (gl_wdgt_rotate_label_get_type (), NULL);
-
- gl_wdgt_rotate_label_construct (rotate_label);
-
- return GTK_WIDGET (rotate_label);
-}
-
-/*--------------------------------------------------------------------------*/
-/* Construct composite widget. */
-/*--------------------------------------------------------------------------*/
-static void
-gl_wdgt_rotate_label_construct (glWdgtRotateLabel *rotate_label)
-{
- GladeXML *gui;
- GtkWidget *hbox;
-
- g_return_if_fail (GL_IS_WDGT_ROTATE_LABEL (rotate_label));
- g_return_if_fail (rotate_label->priv != NULL);
-
- gui = glade_xml_new (GLABELS_GLADE_DIR "wdgt-rotate-label.glade",
- "rotate_hbox", NULL);
-
- if (!gui) {
- g_critical ("Could not open wdgt-media-select.glade. gLabels may not be installed correctly!");
- return;
- }
-
- hbox = glade_xml_get_widget (gui, "rotate_hbox");
- gtk_container_add (GTK_CONTAINER (rotate_label), hbox);
-
- rotate_label->priv->rotate_check = glade_xml_get_widget (gui, "rotate_check");
- rotate_label->priv->rotate_drawingarea = glade_xml_get_widget (gui, "rotate_drawingarea");
-
- g_object_unref (gui);
-
-
- gtk_widget_set_size_request (rotate_label->priv->rotate_drawingarea,
- MINI_PREVIEW_CANVAS_PIXELS,
- MINI_PREVIEW_CANVAS_PIXELS);
-
- /* Connect signals to controls */
- g_signal_connect (G_OBJECT (rotate_label->priv->rotate_check),
- "toggled",
- G_CALLBACK (entry_changed_cb), rotate_label);
- g_signal_connect (G_OBJECT (rotate_label->priv->rotate_drawingarea),
- "expose_event",
- G_CALLBACK (expose_cb), rotate_label);
-}
-
-/*--------------------------------------------------------------------------*/
-/* PRIVATE. modify widget due to change of check button */
-/*--------------------------------------------------------------------------*/
-static void
-entry_changed_cb (GtkToggleButton *toggle,
- gpointer user_data)
-{
- glWdgtRotateLabel *rotate_label = GL_WDGT_ROTATE_LABEL (user_data);
-
- if (rotate_label->priv->template != NULL) {
- /* Update mini_preview canvas & details with template */
- drawingarea_update (GTK_DRAWING_AREA (rotate_label->priv->rotate_drawingarea),
- rotate_label->priv->template,
- gtk_toggle_button_get_active (toggle));
- }
-
- /* Emit our "changed" signal */
- g_signal_emit (G_OBJECT (user_data),
- wdgt_rotate_label_signals[CHANGED], 0);
-
-}
-
-/*--------------------------------------------------------------------------*/
-/* PRIVATE. Update mini-preview from template . */
-/*--------------------------------------------------------------------------*/
-static void
-drawingarea_update (GtkDrawingArea *drawing_area,
- lglTemplate *template,
- gboolean rotate_flag)
-{
- const lglTemplateFrame *frame;
- gdouble m, m_canvas, w, h, scale;
- GtkStyle *style;
- guint line_color, fill_color, shadow_color;
- cairo_t *cr;
-
- if (!GTK_WIDGET_DRAWABLE (GTK_WIDGET (drawing_area)))
- {
- return;
- }
-
- /* Clear surface */
- gdk_window_clear (GTK_WIDGET (drawing_area)->window);
-
- if (template == NULL)
- {
- return;
- }
-
- frame = (lglTemplateFrame *)template->frames->data;
-
- if (rotate_flag)
- {
- lgl_template_frame_get_size (frame, &h, &w);
- }
- else
- {
- lgl_template_frame_get_size (frame, &w, &h);
- }
- m = MAX (w, h);
- scale = MINI_PREVIEW_MAX_PIXELS / m;
- m_canvas = MINI_PREVIEW_CANVAS_PIXELS / scale;
-
- style = gtk_widget_get_style (GTK_WIDGET (drawing_area));
-
- /* Adjust sensitivity (should the canvas be grayed?) */
- if (w != h) {
- line_color = LINE_COLOR;
- fill_color = FILL_COLOR;
- } else {
- line_color = gl_color_from_gdk_color (&style->text[GTK_STATE_INSENSITIVE]);
- fill_color = gl_color_from_gdk_color (&style->base[GTK_STATE_INSENSITIVE]);
- }
-
- shadow_color = gl_color_from_gdk_color (&style->bg[GTK_STATE_ACTIVE]);
-
-
- cr = gdk_cairo_create (GTK_WIDGET (drawing_area)->window);
-
- cairo_identity_matrix (cr);
- cairo_translate (cr, MINI_PREVIEW_CANVAS_PIXELS/2, MINI_PREVIEW_CANVAS_PIXELS/2);
- cairo_scale (cr, scale, scale);
- cairo_translate (cr, -w/2.0, -h/2.0);
-
- /*
- * Shadow
- */
- cairo_save (cr);
- cairo_translate (cr, SHADOW_X_OFFSET/scale, SHADOW_Y_OFFSET/scale);
- gl_cairo_label_path (cr, template, rotate_flag, FALSE);
-
- cairo_set_source_rgb (cr, GL_COLOR_RGB_ARGS (shadow_color));
- cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
- cairo_fill (cr);
- cairo_restore (cr);
-
- /*
- * Label + outline
- */
- gl_cairo_label_path (cr, template, rotate_flag, FALSE);
-
- cairo_set_source_rgb (cr, GL_COLOR_RGB_ARGS (fill_color));
- cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
- cairo_fill_preserve (cr);
-
- cairo_set_line_width (cr, LINE_WIDTH_PIXELS/scale);
- cairo_set_source_rgb (cr, GL_COLOR_RGB_ARGS (line_color));
- cairo_stroke (cr);
-
-
- cairo_destroy (cr);
-
-}
-
-/*--------------------------------------------------------------------------*/
-/* PRIVATE. Expose handler. */
-/*--------------------------------------------------------------------------*/
-static gboolean
-expose_cb (GtkWidget *drawingarea, GdkEventExpose *event, gpointer user_data)
-{
- glWdgtRotateLabel *rotate_label = GL_WDGT_ROTATE_LABEL (user_data);
-
- drawingarea_update (GTK_DRAWING_AREA (drawingarea),
- rotate_label->priv->template,
- gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (rotate_label->priv->rotate_check)));
-
- return FALSE;
-}
-
-/****************************************************************************/
-/* query state of widget. */
-/****************************************************************************/
-gboolean
-gl_wdgt_rotate_label_get_state (glWdgtRotateLabel *rotate_label)
-{
- return
- gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON
- (rotate_label->priv->rotate_check));
-}
-
-/****************************************************************************/
-/* set state of widget. */
-/****************************************************************************/
-void
-gl_wdgt_rotate_label_set_state (glWdgtRotateLabel *rotate_label,
- gboolean state)
-{
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
- (rotate_label->priv->rotate_check), state);
-}
-
-/****************************************************************************/
-/* set template for widget. */
-/****************************************************************************/
-void
-gl_wdgt_rotate_label_set_template_name (glWdgtRotateLabel *rotate_label,
- gchar *name)
-{
- lglTemplate *template;
- const lglTemplateFrame *frame;
- gdouble raw_w, raw_h;
-
- if (name == NULL)
- {
- rotate_label->priv->template = NULL;
-
- gtk_widget_set_sensitive (rotate_label->priv->rotate_check,
- FALSE);
-
- drawingarea_update (GTK_DRAWING_AREA (rotate_label->priv->rotate_drawingarea),
- NULL,
- FALSE);
- }
- else
- {
- template = lgl_db_lookup_template_from_name (name);
- frame = (lglTemplateFrame *)template->frames->data;
-
- rotate_label->priv->template = template;
- lgl_template_frame_get_size (frame, &raw_w, &raw_h);
-
- gtk_widget_set_sensitive (rotate_label->priv->rotate_check,
- (raw_w != raw_h));
-
- drawingarea_update (GTK_DRAWING_AREA (rotate_label->priv->rotate_drawingarea),
- rotate_label->priv->template,
- FALSE);
- }
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
- (rotate_label->priv->rotate_check), FALSE);
-}
-
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