+++ /dev/null
-/*
- * mini-label-preview.c
- * Copyright (C) 2009 Jim Evins <evins@snaught.com>.
- *
- * This file is part of gLabels.
- *
- * gLabels 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 3 of the License, or
- * (at your option) any later version.
- *
- * gLabels 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 gLabels. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <config.h>
-
-#include "mini-label-preview.h"
-
-#include <libglabels/libglabels.h>
-#include "cairo-label-path.h"
-#include "color.h"
-#include "marshal.h"
-
-
-/*===========================================*/
-/* Private macros and constants. */
-/*===========================================*/
-
-#define MARGIN 2
-#define SHADOW_OFFSET 3
-
-
-/*===========================================*/
-/* Private types */
-/*===========================================*/
-
-struct _glMiniLabelPreviewPrivate {
-
- lglTemplate *template;
- gboolean rotate_flag;
-};
-
-
-/*===========================================*/
-/* Private globals */
-/*===========================================*/
-
-
-/*===========================================*/
-/* Local function prototypes */
-/*===========================================*/
-
-static void gl_mini_label_preview_finalize (GObject *object);
-
-static void style_set_cb (GtkWidget *widget,
- GtkStyle *previous_style);
-
-static void redraw (glMiniLabelPreview *this);
-
-static gboolean expose_event_cb (GtkWidget *widget,
- GdkEventExpose *event);
-
-static void draw_preview (glMiniLabelPreview *this,
- cairo_t *cr);
-
-
-/****************************************************************************/
-/* Boilerplate Object stuff. */
-/****************************************************************************/
-G_DEFINE_TYPE (glMiniLabelPreview, gl_mini_label_preview, GTK_TYPE_DRAWING_AREA);
-
-
-/*****************************************************************************/
-/* Class Init Function. */
-/*****************************************************************************/
-static void
-gl_mini_label_preview_class_init (glMiniLabelPreviewClass *class)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (class);
- GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
-
- gl_mini_label_preview_parent_class = g_type_class_peek_parent (class);
-
- gobject_class->finalize = gl_mini_label_preview_finalize;
-
- widget_class->expose_event = expose_event_cb;
- widget_class->style_set = style_set_cb;
-}
-
-
-/*****************************************************************************/
-/* Object Instance Init Function. */
-/*****************************************************************************/
-static void
-gl_mini_label_preview_init (glMiniLabelPreview *this)
-{
- GTK_WIDGET_SET_FLAGS (GTK_WIDGET (this), GTK_NO_WINDOW);
-
- this->priv = g_new0 (glMiniLabelPreviewPrivate, 1);
-}
-
-
-/*****************************************************************************/
-/* Finalize Method. */
-/*****************************************************************************/
-static void
-gl_mini_label_preview_finalize (GObject *object)
-{
- glMiniLabelPreview *this = GL_MINI_LABEL_PREVIEW (object);
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GL_IS_MINI_LABEL_PREVIEW (object));
-
- lgl_template_free (this->priv->template);
- g_free (this->priv);
-
- G_OBJECT_CLASS (gl_mini_label_preview_parent_class)->finalize (object);
-}
-
-
-/*****************************************************************************/
-/** New Object Generator. */
-/*****************************************************************************/
-GtkWidget *
-gl_mini_label_preview_new (gint w,
- gint h)
-{
- glMiniLabelPreview *this;
-
- this = g_object_new (GL_TYPE_MINI_LABEL_PREVIEW, NULL);
-
- gtk_widget_set_size_request (GTK_WIDGET (this), w, h);
-
- return GTK_WIDGET (this);
-}
-
-
-/*****************************************************************************/
-/* Set label by name. */
-/*****************************************************************************/
-void
-gl_mini_label_preview_set_by_name (glMiniLabelPreview *this,
- gchar *name,
- gboolean rotate_flag)
-{
- if (!name)
- {
- lgl_template_free (this->priv->template);
- this->priv->template = NULL;
- }
- else
- {
- this->priv->template = lgl_db_lookup_template_from_name (name);
- this->priv->rotate_flag = rotate_flag;
- }
-
- redraw (this);
-}
-
-
-/*--------------------------------------------------------------------------*/
-/* Style set handler (updates colors when style/theme changes). */
-/*--------------------------------------------------------------------------*/
-static void
-style_set_cb (GtkWidget *widget,
- GtkStyle *previous_style)
-{
- redraw (GL_MINI_LABEL_PREVIEW (widget));
-}
-
-
-/*****************************************************************************/
-/* Request redraw. */
-/*****************************************************************************/
-static void
-redraw (glMiniLabelPreview *this)
-{
- GdkRegion *region;
-
- if (GTK_WIDGET_REALIZED (GTK_WIDGET (this)))
- {
- /* redraw the cairo canvas forcing an expose event */
- region = gdk_drawable_get_clip_region (GTK_WIDGET (this)->window);
- gdk_window_invalidate_region (GTK_WIDGET (this)->window, region, TRUE);
- gdk_region_destroy (region);
- }
-}
-
-
-/*****************************************************************************/
-/* "Expose event" callback. */
-/*****************************************************************************/
-static gboolean
-expose_event_cb (GtkWidget *widget,
- GdkEventExpose *event)
-{
- cairo_t *cr;
-
- cr = gdk_cairo_create (widget->window);
-
- cairo_rectangle (cr,
- event->area.x, event->area.y,
- event->area.width, event->area.height);
- cairo_clip (cr);
-
- cairo_translate (cr, widget->allocation.x, widget->allocation.y);
-
- draw_preview (GL_MINI_LABEL_PREVIEW (widget), cr);
-
- cairo_destroy (cr);
-
- return FALSE;
-}
-
-
-/*****************************************************************************/
-/* Draw sample. */
-/*****************************************************************************/
-static void
-draw_preview (glMiniLabelPreview *this,
- cairo_t *cr)
-{
- GtkStyle *style;
- gdouble w, h;
- guint fill_color, line_color, shadow_color;
- const lglTemplateFrame *frame;
- gdouble w_label, h_label;
- gdouble scale;
-
-
- w = GTK_WIDGET (this)->allocation.width;
- h = GTK_WIDGET (this)->allocation.height;
-
-
- style = gtk_widget_get_style (GTK_WIDGET (this));
- if ( GTK_WIDGET_IS_SENSITIVE (GTK_WIDGET (this)) )
- {
- fill_color = gl_color_from_gdk_color (&style->light[GTK_STATE_NORMAL]);
- line_color = gl_color_from_gdk_color (&style->fg[GTK_STATE_NORMAL]);
- shadow_color = gl_color_from_gdk_color (&style->dark[GTK_STATE_NORMAL]);
- }
- else
- {
- fill_color = GL_COLOR_NONE;
- line_color = gl_color_from_gdk_color (&style->fg[GTK_STATE_INSENSITIVE]);
- shadow_color = GL_COLOR_NONE;
- }
-
-
- if (this->priv->template == NULL)
- {
- return;
- }
-
- frame = (lglTemplateFrame *)this->priv->template->frames->data;
-
- if (this->priv->rotate_flag)
- {
- lgl_template_frame_get_size (frame, &h_label, &w_label);
- }
- else
- {
- lgl_template_frame_get_size (frame, &w_label, &h_label);
- }
-
- scale = MIN( (w - 2*MARGIN - 2*SHADOW_OFFSET)/w_label,
- (h - 2*MARGIN - 2*SHADOW_OFFSET)/h_label );
-
-
- cairo_translate (cr, w/2.0, h/2.0);
- cairo_scale (cr, scale, scale);
- cairo_translate (cr, -w_label/2.0, -h_label/2.0);
-
-
- /*
- * Shadow
- */
- cairo_save (cr);
- cairo_translate (cr, SHADOW_OFFSET/scale, SHADOW_OFFSET/scale);
- gl_cairo_label_path (cr, this->priv->template, this->priv->rotate_flag, FALSE);
-
- cairo_set_source_rgba (cr, GL_COLOR_RGBA_ARGS (shadow_color));
- cairo_fill (cr);
- cairo_restore (cr);
-
- /*
- * Label + outline
- */
- gl_cairo_label_path (cr, this->priv->template, this->priv->rotate_flag, FALSE);
-
- cairo_set_source_rgba (cr, GL_COLOR_RGBA_ARGS (fill_color));
- cairo_fill_preserve (cr);
-
- cairo_set_line_width (cr, 1.0/scale);
- cairo_set_source_rgba (cr, GL_COLOR_RGBA_ARGS (line_color));
- cairo_stroke (cr);
-
-}
-
-
-
-/*
- * Local Variables: -- emacs
- * mode: C -- emacs
- * c-basic-offset: 8 -- emacs
- * tab-width: 8 -- emacs
- * indent-tabs-mode: nil -- emacs
- * End: -- emacs
- */
projects / glabels / blobdiff