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/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant 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.
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "entitylist.h"
#include "iselection.h"
#include <gtk/gtktreemodel.h>
#include <gtk/gtktreeview.h>
#include <gtk/gtktreeselection.h>
#include <gtk/gtkcellrenderertext.h>
#include "string/string.h"
#include "scenelib.h"
#include "nameable.h"
#include "generic/callback.h"
#include "generic/object.h"
#include "gtkutil/widget.h"
#include "gtkutil/window.h"
#include "gtkutil/idledraw.h"
#include "gtkutil/accelerator.h"
#include "gtkutil/closure.h"
#include "treemodel.h"
void RedrawEntityList();
typedef FreeCaller<RedrawEntityList> RedrawEntityListCaller;
typedef struct _GtkTreeView GtkTreeView;
class EntityList
{
public:
enum EDirty
{
eDefault,
eSelection,
eInsertRemove,
};
EDirty m_dirty;
IdleDraw m_idleDraw;
WindowPositionTracker m_positionTracker;
GtkWindow* m_window;
GtkTreeView* m_tree_view;
GraphTreeModel* m_tree_model;
bool m_selection_disabled;
EntityList() :
m_dirty(EntityList::eDefault),
m_idleDraw(RedrawEntityListCaller()),
m_window(0),
m_selection_disabled(false)
{
}
bool visible() const
{
return GTK_WIDGET_VISIBLE(GTK_WIDGET(m_window));
}
};
namespace
{
EntityList* g_EntityList;
inline EntityList& getEntityList()
{
ASSERT_NOTNULL(g_EntityList);
return *g_EntityList;
}
}
inline Nameable* Node_getNameable(scene::Node& node)
{
return NodeTypeCast<Nameable>::cast(node);
}
const char* node_get_name(scene::Node& node)
{
Nameable* nameable = Node_getNameable(node);
return (nameable != 0)
? nameable->name()
: "node";
}
template<typename value_type>
inline void gtk_tree_model_get_pointer(GtkTreeModel* model, GtkTreeIter* iter, gint column, value_type** pointer)
{
GValue value = GValue_default();
gtk_tree_model_get_value(model, iter, column, &value);
*pointer = (value_type*)g_value_get_pointer(&value);
}
void entitylist_treeviewcolumn_celldatafunc(GtkTreeViewColumn* column, GtkCellRenderer* renderer, GtkTreeModel* model, GtkTreeIter* iter, gpointer data)
{
scene::Node* node;
gtk_tree_model_get_pointer(model, iter, 0, &node);
scene::Instance* instance;
gtk_tree_model_get_pointer(model, iter, 1, &instance);
if(node != 0)
{
gtk_cell_renderer_set_fixed_size(renderer, -1, -1);
char* name = const_cast<char*>(node_get_name(*node));
g_object_set(G_OBJECT(renderer), "text", name, "visible", TRUE, 0);
//globalOutputStream() << "rendering cell " << makeQuoted(name) << "\n";
GtkStyle* style = gtk_widget_get_style(GTK_WIDGET(getEntityList().m_tree_view));
if(instance->childSelected())
{
g_object_set(G_OBJECT(renderer), "cell-background-gdk", &style->base[GTK_STATE_ACTIVE], 0);
}
else
{
g_object_set(G_OBJECT(renderer), "cell-background-gdk", &style->base[GTK_STATE_NORMAL], 0);
}
}
else
{
gtk_cell_renderer_set_fixed_size(renderer, -1, 0);
g_object_set(G_OBJECT(renderer), "text", "", "visible", FALSE, 0);
}
}
static gboolean entitylist_tree_select(GtkTreeSelection *selection, GtkTreeModel *model, GtkTreePath *path, gboolean path_currently_selected, gpointer data)
{
GtkTreeIter iter;
gtk_tree_model_get_iter(model, &iter, path);
scene::Node* node;
gtk_tree_model_get_pointer(model, &iter, 0, &node);
scene::Instance* instance;
gtk_tree_model_get_pointer(model, &iter, 1, &instance);
Selectable* selectable = Instance_getSelectable(*instance);
if(node == 0)
{
if(path_currently_selected != FALSE)
{
getEntityList().m_selection_disabled = true;
GlobalSelectionSystem().setSelectedAll(false);
getEntityList().m_selection_disabled = false;
}
}
else if(selectable != 0)
{
getEntityList().m_selection_disabled = true;
selectable->setSelected(path_currently_selected == FALSE);
getEntityList().m_selection_disabled = false;
return TRUE;
}
return FALSE;
}
static gboolean entitylist_tree_select_null(GtkTreeSelection *selection, GtkTreeModel *model, GtkTreePath *path, gboolean path_currently_selected, gpointer data)
{
return TRUE;
}
void EntityList_ConnectSignals(GtkTreeView* view)
{
GtkTreeSelection* select = gtk_tree_view_get_selection(view);
gtk_tree_selection_set_select_function(select, entitylist_tree_select, NULL, 0);
}
void EntityList_DisconnectSignals(GtkTreeView* view)
{
GtkTreeSelection* select = gtk_tree_view_get_selection(view);
gtk_tree_selection_set_select_function(select, entitylist_tree_select_null, 0, 0);
}
gboolean treemodel_update_selection(GtkTreeModel* model, GtkTreePath* path, GtkTreeIter* iter, gpointer data)
{
GtkTreeView* view = reinterpret_cast<GtkTreeView*>(data);
scene::Instance* instance;
gtk_tree_model_get_pointer(model, iter, 1, &instance);
Selectable* selectable = Instance_getSelectable(*instance);
if(selectable != 0)
{
GtkTreeSelection* selection = gtk_tree_view_get_selection(view);
if(selectable->isSelected())
{
gtk_tree_selection_select_path(selection, path);
}
else
{
gtk_tree_selection_unselect_path(selection, path);
}
}
return FALSE;
}
void EntityList_UpdateSelection(GtkTreeModel* model, GtkTreeView* view)
{
EntityList_DisconnectSignals(view);
gtk_tree_model_foreach(model, treemodel_update_selection, view);
EntityList_ConnectSignals(view);
}
void RedrawEntityList()
{
switch(getEntityList().m_dirty)
{
case EntityList::eInsertRemove:
case EntityList::eSelection:
EntityList_UpdateSelection(GTK_TREE_MODEL(getEntityList().m_tree_model), getEntityList().m_tree_view);
default:
break;
}
getEntityList().m_dirty = EntityList::eDefault;
}
void entitylist_queue_draw()
{
getEntityList().m_idleDraw.queueDraw();
}
void EntityList_SelectionUpdate()
{
if(getEntityList().m_selection_disabled)
return;
if(getEntityList().m_dirty < EntityList::eSelection)
getEntityList().m_dirty = EntityList::eSelection;
entitylist_queue_draw();
}
void EntityList_SelectionChanged(const Selectable& selectable)
{
EntityList_SelectionUpdate();
}
void entitylist_treeview_rowcollapsed(GtkTreeView* view, GtkTreeIter* iter, GtkTreePath* path, gpointer user_data)
{
}
void entitylist_treeview_row_expanded(GtkTreeView* view, GtkTreeIter* iter, GtkTreePath* path, gpointer user_data)
{
EntityList_SelectionUpdate();
}
void EntityList_SetShown(bool shown)
{
widget_set_visible(GTK_WIDGET(getEntityList().m_window), shown);
}
void EntityList_toggleShown()
{
EntityList_SetShown(!getEntityList().visible());
}
gint graph_tree_model_compare_name(GtkTreeModel *model, GtkTreeIter *a, GtkTreeIter *b, gpointer user_data)
{
scene::Node* first;
gtk_tree_model_get(model, a, 0, (gpointer*)&first, -1);
scene::Node* second;
gtk_tree_model_get(model, b, 0, (gpointer*)&second, -1);
int result = 0;
if(first != 0 && second != 0)
{
result = string_compare(node_get_name(*first), node_get_name(*second));
}
if(result == 0)
{
return (first < second) ? -1 : (second < first) ? 1 : 0;
}
return result;
}
extern GraphTreeModel* scene_graph_get_tree_model();
void AttachEntityTreeModel()
{
getEntityList().m_tree_model = scene_graph_get_tree_model();
gtk_tree_view_set_model(getEntityList().m_tree_view, GTK_TREE_MODEL(getEntityList().m_tree_model));
}
void DetachEntityTreeModel()
{
getEntityList().m_tree_model = 0;
gtk_tree_view_set_model(getEntityList().m_tree_view, 0);
}
void EntityList_constructWindow(GtkWindow* main_window)
{
ASSERT_MESSAGE(getEntityList().m_window == 0, "error");
GtkWindow* window = create_persistent_floating_window("Entity List", main_window);
gtk_window_add_accel_group(window, global_accel);
getEntityList().m_positionTracker.connect(window);
getEntityList().m_window = window;
{
GtkScrolledWindow* scr = create_scrolled_window(GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(scr));
{
GtkWidget* view = gtk_tree_view_new();
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(view), FALSE);
GtkCellRenderer* renderer = gtk_cell_renderer_text_new();
GtkTreeViewColumn* column = gtk_tree_view_column_new();
gtk_tree_view_column_pack_start(column, renderer, TRUE);
gtk_tree_view_column_set_cell_data_func(column, renderer, entitylist_treeviewcolumn_celldatafunc, 0, 0);
GtkTreeSelection* select = gtk_tree_view_get_selection (GTK_TREE_VIEW(view));
gtk_tree_selection_set_mode(select, GTK_SELECTION_MULTIPLE);
g_signal_connect(G_OBJECT(view), "row_expanded", G_CALLBACK(entitylist_treeview_row_expanded), 0);
g_signal_connect(G_OBJECT(view), "row_collapsed", G_CALLBACK(entitylist_treeview_rowcollapsed), 0);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
gtk_widget_show(view);
gtk_container_add (GTK_CONTAINER(scr), view);
getEntityList().m_tree_view = GTK_TREE_VIEW(view);
}
}
EntityList_ConnectSignals(getEntityList().m_tree_view);
AttachEntityTreeModel();
}
void EntityList_destroyWindow()
{
DetachEntityTreeModel();
EntityList_DisconnectSignals(getEntityList().m_tree_view);
destroy_floating_window(getEntityList().m_window);
}
#include "preferencesystem.h"
#include "iselection.h"
namespace
{
scene::Node* nullNode = 0;
}
class NullSelectedInstance : public scene::Instance, public Selectable
{
class TypeCasts
{
InstanceTypeCastTable m_casts;
public:
TypeCasts()
{
InstanceStaticCast<NullSelectedInstance, Selectable>::install(m_casts);
}
InstanceTypeCastTable& get()
{
return m_casts;
}
};
public:
typedef LazyStatic<TypeCasts> StaticTypeCasts;
NullSelectedInstance() : Instance(scene::Path(makeReference(*nullNode)), 0, this, StaticTypeCasts::instance().get())
{
}
void setSelected(bool select)
{
ERROR_MESSAGE("error");
}
bool isSelected() const
{
return true;
}
};
typedef LazyStatic<NullSelectedInstance> StaticNullSelectedInstance;
void EntityList_Construct()
{
graph_tree_model_insert(scene_graph_get_tree_model(), StaticNullSelectedInstance::instance());
g_EntityList = new EntityList;
getEntityList().m_positionTracker.setPosition(c_default_window_pos);
GlobalPreferenceSystem().registerPreference("EntityInfoDlg", WindowPositionTrackerImportStringCaller(getEntityList().m_positionTracker), WindowPositionTrackerExportStringCaller(getEntityList().m_positionTracker));
GlobalSelectionSystem().addSelectionChangeCallback(FreeCaller1<const Selectable&, EntityList_SelectionChanged>());
}
void EntityList_Destroy()
{
delete g_EntityList;
graph_tree_model_erase(scene_graph_get_tree_model(), StaticNullSelectedInstance::instance());
}