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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2010 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Jay Taoko <jay.taoko@canonical.com>
* Authored by: Mirco Müller <mirco.mueller@canonical.com
*/
#ifndef QUICKLISTVIEW_H
#define QUICKLISTVIEW_H
#include "Nux/Nux.h"
#include "Nux/BaseWindow.h"
#include "NuxGraphics/GraphicsEngine.h"
#include "Nux/TextureArea.h"
#include "NuxImage/CairoGraphics.h"
#include <pango/pango.h>
#include <pango/pangocairo.h>
#include "QuicklistMenuItem.h"
#include "Introspectable.h"
#define ANCHOR_WIDTH 10.0f
#define ANCHOR_HEIGHT 18.0f
#define HIGH_LIGHT_Y -30.0f
#define HIGH_LIGHT_MIN_WIDTH 200.0f
#define RADIUS 5.0f
#define BLUR_INTENSITY 8
#define LINE_WIDTH 1.0f
#define PADDING_SIZE 1
#define H_MARGIN 30
#define V_MARGIN 4
#define FONT_FACE "Ubuntu 13"
class VLayout;
class HLayout;
class SpaceLayout;
class QuicklistMenuItem;
class QuicklistMenuItemLabel;
class QuicklistView : public nux::BaseWindow, public Introspectable
{
NUX_DECLARE_OBJECT_TYPE (QuicklistView, nux::BaseWindow);
public:
QuicklistView ();
~QuicklistView ();
long ProcessEvent (nux::IEvent& iEvent,
long traverseInfo,
long processEventInfo);
void Draw (nux::GraphicsEngine& gfxContext,
bool forceDraw);
void DrawContent (nux::GraphicsEngine& gfxContext,
bool forceDraw);
void SetText (nux::NString text);
void RemoveAllMenuItem ();
void AddMenuItem (QuicklistMenuItem* item);
void RenderQuicklistView ();
void ShowQuicklistWithTipAt (int anchor_tip_x, int anchor_tip_y);
virtual void ShowWindow (bool b, bool StartModal = false);
void Show ();
void Hide ();
int GetNumItems ();
QuicklistMenuItem* GetNthItems (int index);
QuicklistMenuItemType GetNthType (int index);
std::list<QuicklistMenuItem*> GetChildren ();
void DefaultToFirstItem ();
void TestMenuItems (DbusmenuMenuitem* root);
// Introspection
const gchar* GetName ();
void AddProperties (GVariantBuilder *builder);
void EnableQuicklistForTesting (bool enable_testing);
private:
void RecvCairoTextChanged (QuicklistMenuItem* item);
void RecvCairoTextColorChanged (QuicklistMenuItem* item);
void RecvItemMouseClick (QuicklistMenuItem* item, int x, int y);
void RecvItemMouseRelease (QuicklistMenuItem* item, int x, int y);
void RecvItemMouseEnter (QuicklistMenuItem* item);
void RecvItemMouseLeave (QuicklistMenuItem* item);
void RecvItemMouseDrag (QuicklistMenuItem* item, int x, int y);
void RecvMouseDown (int x, int y, unsigned long button_flags, unsigned long key_flags);
void RecvMouseUp (int x, int y, unsigned long button_flags, unsigned long key_flags);
void RecvMouseClick (int x, int y, unsigned long button_flags, unsigned long key_flags);
void RecvMouseMove (int x, int y, int dx, int dy, unsigned long button_flags, unsigned long key_flags);
void RecvMouseDrag (int x, int y, int dx, int dy, unsigned long button_flags, unsigned long key_flags);
void RecvMouseDownOutsideOfQuicklist (int x, int y, unsigned long button_flags, unsigned long key_flags);
void RecvKeyPressed (unsigned int key_sym,
unsigned long key_code,
unsigned long key_state);
void RecvStartFocus ();
void RecvEndFocus ();
void PreLayoutManagement ();
long PostLayoutManagement (long layoutResult);
void PositionChildLayout (float offsetX, float offsetY);
void LayoutWindowElements ();
void NotifyConfigurationChange (int width, int height);
//! A convenience function to fill in the default quicklist with some random items.
void FillInDefaultItems ();
void CancelItemsPrelightStatus ();
//! Check the mouse up event sent by an item. Detect the item where the mous is and emit the appropriate signal.
void CheckAndEmitItemSignal (int x, int y);
//nux::CairoGraphics* _cairo_graphics;
int _anchorX;
int _anchorY;
nux::NString _labelText;
int _dpiX;
int _dpiY;
int _top_size; // size of the segment from point 13 to 14. See figure in ql_compute_full_mask_path.
bool _mouse_down;
//iIf true, suppress the Quicklist behaviour that is expected in Unity.
// Keep the Quicklist on screen for testing and automation.
bool _enable_quicklist_for_testing;
cairo_font_options_t* _fontOpts;
nux::BaseTexture* _texture_bg;
nux::BaseTexture* _texture_mask;
nux::BaseTexture* _texture_outline;
float _anchor_width;
float _anchor_height;
float _corner_radius;
float _padding;
nux::HLayout *_hlayout;
nux::VLayout *_vlayout;
nux::VLayout *_item_layout;
nux::VLayout *_default_item_layout;
nux::SpaceLayout *_left_space; //!< Space from the left of the widget to the left of the text.
nux::SpaceLayout *_right_space; //!< Space from the right of the text to the right of the widget.
nux::SpaceLayout *_top_space; //!< Space from the left of the widget to the left of the text.
nux::SpaceLayout *_bottom_space; //!< Space from the right of the text to the right of the widget.
bool _cairo_text_has_changed;
void UpdateTexture ();
std::list<QuicklistMenuItem*> _item_list;
std::list<QuicklistMenuItem*> _default_item_list;
bool _compute_blur_bkg; //!< If true, compute the blurred background
nux::ObjectPtr <nux::IOpenGLBaseTexture> bkg_blur_texture; // Texture holding a blurred copy of the background behind the QuicklistView
// Introspection
gchar *_name;
// used by keyboard/a11y-navigation
int _current_item_index;
};
#endif // QUICKLISTVIEW_H
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