Stub LdCategorySymbolView.
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@ -125,6 +125,7 @@ set (liblogdiag_SOURCES
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liblogdiag/ld-diagram-view.c
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liblogdiag/ld-library.c
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liblogdiag/ld-category-view.c
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liblogdiag/ld-category-symbol-view.c
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liblogdiag/ld-category.c
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liblogdiag/ld-symbol.c
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liblogdiag/ld-lua.c
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@ -142,6 +143,7 @@ set (liblogdiag_HEADERS
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liblogdiag/ld-diagram-view.h
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liblogdiag/ld-library.h
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liblogdiag/ld-category-view.h
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liblogdiag/ld-category-symbol-view.h
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liblogdiag/ld-category.h
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liblogdiag/ld-symbol.h
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liblogdiag/ld-lua.h
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@ -0,0 +1,252 @@
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/*
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* ld-category-symbol-view.c
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*
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* This file is a part of logdiag.
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* Copyright Přemysl Janouch 2012. All rights reserved.
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*
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* See the file LICENSE for licensing information.
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*
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*/
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#include "liblogdiag.h"
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#include "config.h"
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/**
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* SECTION:ld-category-symbol-view
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* @short_description: A widget that displays symbols in a category
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* @see_also: #LdCategory, #LdDiagramView
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*
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* #LdCategorySymbolView allows the user to drag symbols from an #LdCategory
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* onto #LdDiagramView.
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*/
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/*
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* LdCategorySymbolViewPrivate:
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* @category: a category object assigned as a model.
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*/
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struct _LdCategorySymbolViewPrivate
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{
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LdCategory *category;
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guint height_negotiation : 1;
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};
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enum
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{
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PROP_0,
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PROP_CATEGORY
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};
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static void ld_category_symbol_view_get_property (GObject *object,
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guint property_id, GValue *value, GParamSpec *pspec);
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static void ld_category_symbol_view_set_property (GObject *object,
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guint property_id, const GValue *value, GParamSpec *pspec);
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static void ld_category_symbol_view_finalize (GObject *gobject);
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static void on_size_request (GtkWidget *widget, GtkRequisition *requisition,
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gpointer user_data);
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static void on_size_allocate (GtkWidget *widget, GdkRectangle *allocation,
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gpointer user_data);
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static gboolean on_expose_event (GtkWidget *widget, GdkEventExpose *event,
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gpointer user_data);
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G_DEFINE_TYPE (LdCategorySymbolView,
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ld_category_symbol_view, GTK_TYPE_DRAWING_AREA);
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static void
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ld_category_symbol_view_class_init (LdCategorySymbolViewClass *klass)
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{
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GObjectClass *object_class;
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GParamSpec *pspec;
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object_class = G_OBJECT_CLASS (klass);
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object_class->get_property = ld_category_symbol_view_get_property;
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object_class->set_property = ld_category_symbol_view_set_property;
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object_class->finalize = ld_category_symbol_view_finalize;
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/**
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* LdCategorySymbolView:category:
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*
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* The underlying #LdCategory object of this view.
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*/
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pspec = g_param_spec_object ("category", "Category",
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"The underlying category object of this view.",
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LD_TYPE_CATEGORY, G_PARAM_READWRITE);
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g_object_class_install_property (object_class, PROP_CATEGORY, pspec);
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g_type_class_add_private (klass, sizeof (LdCategorySymbolViewPrivate));
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}
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static void
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ld_category_symbol_view_init (LdCategorySymbolView *self)
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{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE
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(self, LD_TYPE_CATEGORY_SYMBOL_VIEW, LdCategorySymbolViewPrivate);
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g_signal_connect (self, "size-allocate",
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G_CALLBACK (on_size_allocate), NULL);
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g_signal_connect (self, "size-request",
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G_CALLBACK (on_size_request), NULL);
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g_signal_connect (self, "expose-event",
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G_CALLBACK (on_expose_event), NULL);
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gtk_widget_add_events (GTK_WIDGET (self),
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GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK
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| GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
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| GDK_LEAVE_NOTIFY_MASK);
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}
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static void
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ld_category_symbol_view_finalize (GObject *gobject)
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{
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LdCategorySymbolView *self;
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self = LD_CATEGORY_SYMBOL_VIEW (gobject);
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if (self->priv->category)
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g_object_unref (self->priv->category);
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/* Chain up to the parent class. */
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G_OBJECT_CLASS (ld_category_symbol_view_parent_class)->finalize (gobject);
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}
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static void
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ld_category_symbol_view_get_property (GObject *object, guint property_id,
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GValue *value, GParamSpec *pspec)
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{
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LdCategorySymbolView *self;
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self = LD_CATEGORY_SYMBOL_VIEW (object);
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switch (property_id)
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{
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case PROP_CATEGORY:
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g_value_set_object (value, ld_category_symbol_view_get_category (self));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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ld_category_symbol_view_set_property (GObject *object, guint property_id,
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const GValue *value, GParamSpec *pspec)
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{
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LdCategorySymbolView *self;
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self = LD_CATEGORY_SYMBOL_VIEW (object);
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switch (property_id)
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{
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case PROP_CATEGORY:
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ld_category_symbol_view_set_category (self,
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LD_CATEGORY (g_value_get_object (value)));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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on_size_request (GtkWidget *widget, GtkRequisition *requisition,
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gpointer user_data)
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{
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LdCategorySymbolView *self;
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self = LD_CATEGORY_SYMBOL_VIEW (widget);
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requisition->width = 10;
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if (self->priv->height_negotiation)
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{
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GtkAllocation alloc;
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gtk_widget_get_allocation (widget, &alloc);
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requisition->height = 5000 / alloc.width;
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}
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else
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requisition->height = 10;
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}
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static void
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on_size_allocate (GtkWidget *widget, GdkRectangle *allocation,
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gpointer user_data)
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{
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LdCategorySymbolView *self;
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self = LD_CATEGORY_SYMBOL_VIEW (widget);
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if (self->priv->height_negotiation)
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self->priv->height_negotiation = FALSE;
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else
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{
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self->priv->height_negotiation = TRUE;
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gtk_widget_queue_resize (widget);
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}
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}
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static gboolean
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on_expose_event (GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
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{
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cairo_t *cr;
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cr = gdk_cairo_create (gtk_widget_get_window (widget));
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gdk_cairo_rectangle (cr, &event->area);
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cairo_clip (cr);
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gdk_cairo_set_source_color (cr,
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>k_widget_get_style (widget)->base[GTK_STATE_NORMAL]);
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cairo_paint (cr);
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cairo_destroy (cr);
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return FALSE;
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}
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/* ===== Generic interface etc. ============================================ */
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/**
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* ld_category_symbol_view_new:
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*
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* Create an instance.
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*/
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GtkWidget *
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ld_category_symbol_view_new (void)
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{
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return g_object_new (LD_TYPE_CATEGORY_SYMBOL_VIEW, NULL);
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}
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/**
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* ld_category_symbol_view_set_category:
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* @self: an #LdCategorySymbolView object.
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* @category: the #LdCategory to be assigned to the view.
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*
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* Assign an #LdCategory object to the view.
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*/
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void
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ld_category_symbol_view_set_category (LdCategorySymbolView *self,
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LdCategory *category)
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{
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g_return_if_fail (LD_IS_CATEGORY_SYMBOL_VIEW (self));
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g_return_if_fail (LD_IS_CATEGORY (category));
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if (self->priv->category)
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g_object_unref (self->priv->category);
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self->priv->category = category;
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g_object_ref (category);
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g_object_notify (G_OBJECT (self), "category");
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}
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/**
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* ld_category_symbol_view_get_category:
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* @self: an #LdCategorySymbolView object.
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*
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* Get the #LdCategory object assigned to this view.
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* The reference count on the category is not incremented.
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*/
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LdCategory *
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ld_category_symbol_view_get_category (LdCategorySymbolView *self)
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{
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g_return_val_if_fail (LD_IS_CATEGORY_SYMBOL_VIEW (self), NULL);
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return self->priv->category;
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}
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@ -0,0 +1,63 @@
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/*
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* ld-category-symbol-view.h
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*
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* This file is a part of logdiag.
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* Copyright Přemysl Janouch 2012. All rights reserved.
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*
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* See the file LICENSE for licensing information.
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*
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*/
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#ifndef __LD_CATEGORY_SYMBOL_VIEW_H__
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#define __LD_CATEGORY_SYMBOL_VIEW_H__
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G_BEGIN_DECLS
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#define LD_TYPE_CATEGORY_SYMBOL_VIEW (ld_category_symbol_view_get_type ())
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#define LD_CATEGORY_SYMBOL_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST \
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((obj), LD_TYPE_CATEGORY_SYMBOL_VIEW, LdCategorySymbolView))
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#define LD_CATEGORY_SYMBOL_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST \
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((klass), LD_TYPE_CATEGORY_SYMBOL_VIEW, LdCategorySymbolViewClass))
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#define LD_IS_CATEGORY_SYMBOL_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE \
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((obj), LD_TYPE_CATEGORY_SYMBOL_VIEW))
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#define LD_IS_CATEGORY_SYMBOL_VIEW_CLASS(klass) (G_TYPE_CHECK_INSTANCE_TYPE \
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((klass), LD_TYPE_CATEGORY_SYMBOL_VIEW))
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#define LD_CATEGORY_SYMBOL_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS \
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((obj), LD_CATEGORY_SYMBOL_VIEW, LdCategorySymbolViewClass))
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typedef struct _LdCategorySymbolView LdCategorySymbolView;
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typedef struct _LdCategorySymbolViewPrivate LdCategorySymbolViewPrivate;
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typedef struct _LdCategorySymbolViewClass LdCategorySymbolViewClass;
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/**
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* LdCategorySymbolView:
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*/
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struct _LdCategorySymbolView
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{
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/*< private >*/
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GtkDrawingArea parent_instance;
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LdCategorySymbolViewPrivate *priv;
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};
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struct _LdCategorySymbolViewClass
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{
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/*< private >*/
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GtkDrawingAreaClass parent_class;
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};
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GType ld_category_symbol_view_get_type (void) G_GNUC_CONST;
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GtkWidget *ld_category_symbol_view_new (void);
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void ld_category_symbol_view_set_category
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(LdCategorySymbolView *self, LdCategory *category);
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LdCategory *ld_category_symbol_view_get_category
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(LdCategorySymbolView *self);
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G_END_DECLS
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#endif /* ! __LD_CATEGORY_SYMBOL_VIEW_H__ */
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@ -263,18 +263,27 @@ reload_category (LdCategoryView *self)
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if (self->priv->category)
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{
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GSList *children;
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/* TODO: Also show the symbols. */
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GSList *symbols, *children;
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symbols = (GSList *) ld_category_get_symbols (self->priv->category);
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children = (GSList *) ld_category_get_children (self->priv->category);
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if (symbols)
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{
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GtkWidget *symbol_view;
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symbol_view = ld_category_symbol_view_new ();
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ld_category_symbol_view_set_category
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(LD_CATEGORY_SYMBOL_VIEW (symbol_view), self->priv->category);
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gtk_box_pack_start (GTK_BOX (self), symbol_view, FALSE, FALSE, 0);
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}
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if (children)
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{
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reconstruct_prefix (self);
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g_slist_foreach (children, load_category_cb, self);
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}
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else
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/* TODO: Don't show this if there are any symbols. */
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else if (!symbols)
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gtk_box_pack_start (GTK_BOX (self),
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create_empty_label (), FALSE, FALSE, 0);
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}
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@ -28,6 +28,7 @@
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#include "ld-diagram.h"
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#include "ld-diagram-view.h"
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#include "ld-category-symbol-view.h"
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#include "ld-category-view.h"
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#include "ld-lua.h"
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