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Add a "library" property to LdCanvas.

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Also make the code reference properties properly.
This commit is contained in:
Přemysl Eric Janouch 2010-11-19 07:05:44 +01:00
parent d31d420f59
commit 7a0b280854
2 changed files with 63 additions and 1 deletions
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61
src/ld-canvas.c
View File

@ -14,6 +14,8 @@
#include "ld-marshal.h"
#include "ld-document.h"
#include "ld-symbol.h"
#include "ld-library.h"
#include "ld-canvas.h"
@ -32,6 +34,7 @@
struct _LdCanvasPrivate
{
LdDocument *document;
LdLibrary *library;
};
G_DEFINE_TYPE (LdCanvas, ld_canvas, GTK_TYPE_DRAWING_AREA);
@ -39,7 +42,8 @@ G_DEFINE_TYPE (LdCanvas, ld_canvas, GTK_TYPE_DRAWING_AREA);
enum
{
PROP_0,
PROP_DOCUMENT
PROP_DOCUMENT,
PROP_LIBRARY
};
static void
@ -86,6 +90,16 @@ ld_canvas_class_init (LdCanvasClass *klass)
LD_TYPE_DOCUMENT, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_DOCUMENT, pspec);
/**
* LdCanvas:library:
*
* The #LdLibrary that this canvas retrieves symbols from.
*/
pspec = g_param_spec_object ("library", "Library",
"The library that this canvas retrieves symbols from.",
LD_TYPE_LIBRARY, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_DOCUMENT, pspec);
widget_class = GTK_WIDGET_CLASS (klass);
/* TODO: Scrolling support; make the comment bellow a gtk-doc comment then. */
@ -123,6 +137,11 @@ ld_canvas_finalize (GObject *gobject)
self = LD_CANVAS (gobject);
if (self->priv->document)
g_object_unref (self->priv->document);
if (self->priv->library)
g_object_unref (self->priv->library);
/* Chain up to the parent class. */
G_OBJECT_CLASS (ld_canvas_parent_class)->finalize (gobject);
}
@ -139,6 +158,9 @@ ld_canvas_get_property (GObject *object, guint property_id,
case PROP_DOCUMENT:
g_value_set_object (value, ld_canvas_get_document (self));
break;
case PROP_LIBRARY:
g_value_set_object (value, ld_canvas_get_library (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
@ -156,6 +178,9 @@ ld_canvas_set_property (GObject *object, guint property_id,
case PROP_DOCUMENT:
ld_canvas_set_document (self, LD_DOCUMENT (g_value_get_object (value)));
break;
case PROP_LIBRARY:
ld_canvas_set_library (self, LD_LIBRARY (g_value_get_object (value)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
@ -182,7 +207,11 @@ ld_canvas_new (void)
void
ld_canvas_set_document (LdCanvas *self, LdDocument *document)
{
if (self->priv->document)
g_object_unref (self->priv->document);
self->priv->document = document;
g_object_ref (document);
}
/**
@ -198,6 +227,36 @@ ld_canvas_get_document (LdCanvas *self)
return self->priv->document;
}
/**
* ld_canvas_set_library:
* @self: An #LdCanvas object.
* @library: The #LdLibrary to be assigned to the canvas.
*
* Assign an #LdLibrary object to the canvas.
*/
void
ld_canvas_set_library (LdCanvas *self, LdLibrary *library)
{
if (self->priv->library)
g_object_unref (self->priv->library);
self->priv->library = library;
g_object_ref (library);
}
/**
* ld_canvas_get_library:
* @self: An #LdCanvas object.
*
* Get the #LdLibrary object assigned to this canvas.
* The reference count on the library is not incremented.
*/
LdLibrary *
ld_canvas_get_library (LdCanvas *self)
{
return self->priv->library;
}
static gboolean
on_expose_event (GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
{

3
src/ld-canvas.h
View File

@ -61,6 +61,9 @@ LdCanvas *ld_canvas_new (void);
void ld_canvas_set_document (LdCanvas *self, LdDocument *document);
LdDocument *ld_canvas_get_document (LdCanvas *self);
void ld_canvas_set_library (LdCanvas *self, LdLibrary *library);
LdLibrary *ld_canvas_get_library (LdCanvas *self);
/* TODO: The rest of the interface. */