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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright 2011 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License version 3 along with this program. If not, see
* <http://www.gnu.org/licenses/>
*
* Authored by: Gordon Allott <gord.allott@canonical.com>
*
*/
#ifndef UNITYSHELL_RESULTVIEWGRID_H
#define UNITYSHELL_RESULTVIEWGRID_H
#include <UnityCore/Categories.h>
#include <UnityCore/GLibSource.h>
#include "ResultView.h"
#include "unity-shared/UBusWrapper.h"
namespace unity
{
namespace dash
{
// will order its elements in to a grid that expands horizontally before vertically
class ResultViewGrid : public ResultView
{
public:
NUX_DECLARE_OBJECT_TYPE(ResultViewGrid, ResultView);
ResultViewGrid(NUX_FILE_LINE_DECL);
void SetModelRenderer(ResultRenderer* renderer);
void AddResult(Result& result);
void RemoveResult(Result& result);
nux::Property<int> horizontal_spacing;
nux::Property<int> vertical_spacing;
nux::Property<int> padding;
sigc::signal<void> selection_change;
int GetSelectedIndex();
virtual uint GetIndexAtPosition(int x, int y);
protected:
void MouseMove(int x, int y, int dx, int dy, unsigned long button_flags, unsigned long key_flags);
void MouseClick(int x, int y, unsigned long button_flags, unsigned long key_flags);
virtual bool DndSourceDragBegin();
virtual nux::NBitmapData* DndSourceGetDragImage();
virtual std::list<const char*> DndSourceGetDragTypes();
virtual const char* DndSourceGetDataForType(const char* type, int* size, int* format);
virtual void DndSourceDragFinished(nux::DndAction result);
virtual bool InspectKeyEvent(unsigned int eventType, unsigned int keysym, const char* character);
virtual bool AcceptKeyNavFocus();
virtual nux::Area* KeyNavIteration(nux::KeyNavDirection direction);
virtual void OnKeyNavFocusChange(nux::Area* area, bool has_focus, nux::KeyNavDirection direction);
void OnKeyDown(unsigned long event_type, unsigned long event_keysym, unsigned long event_state, const TCHAR* character, unsigned short key_repeat_count);
virtual void Draw(nux::GraphicsEngine& GfxContext, bool force_draw);;
virtual void DrawContent(nux::GraphicsEngine& GfxContext, bool force_draw);
virtual long ComputeContentSize();
private:
typedef std::tuple <int, int> ResultListBounds;
ResultListBounds GetVisableResults();
void QueueLazyLoad();
void QueueViewChanged();
bool DoLazyLoad();
int GetItemsPerRow();
void SizeReallocate();
uint mouse_over_index_;
int active_index_;
nux::Property<int> selected_index_;
std::string focused_uri_;
int last_lazy_loaded_result_;
int last_mouse_down_x_;
int last_mouse_down_y_;
std::string current_drag_uri_;
std::string current_drag_icon_name_;
int recorded_dash_width_;
int recorded_dash_height_;
int mouse_last_x_;
int mouse_last_y_;
int extra_horizontal_spacing_;
UBusManager ubus_;
glib::Source::UniquePtr lazy_load_source_;
glib::Source::UniquePtr view_changed_idle_;
};
} // namespace dash
} // namespace unity
#endif // UNITYSHELL_RESULTVIEWGRID_H
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