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Diffstat (limited to 'libs/widgets/widgets/pane.h')
-rw-r--r-- | libs/widgets/widgets/pane.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/libs/widgets/widgets/pane.h b/libs/widgets/widgets/pane.h new file mode 100644 index 0000000000..bc971e6802 --- /dev/null +++ b/libs/widgets/widgets/pane.h @@ -0,0 +1,133 @@ +/* + Copyright (C) 2016 Paul Davis + + This program 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. + + 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef _WIDGETS_PANE_H_ +#define _WIDGETS_PANE_H_ + +#include <vector> +#include <algorithm> +#include <boost/shared_ptr.hpp> + +#include <stdint.h> + +#include <gdkmm/cursor.h> +#include <gtkmm/container.h> +#include <gtkmm/eventbox.h> + +#include "widgets/visibility.h" + +namespace Gtk { + class Widget; +} + +namespace ArdourWidgets { + +class LIBWIDGETS_API Pane : public Gtk::Container +{ +private: + class Divider; + +public: + struct Child + { + Pane* pane; + Gtk::Widget* w; + int32_t minsize; + sigc::connection show_con; + sigc::connection hide_con; + + Child (Pane* p, Gtk::Widget* widget, uint32_t ms) : pane (p), w (widget), minsize (ms) {} + }; + + typedef std::vector<boost::shared_ptr<Child> > Children; + + Pane (bool horizontal); + ~Pane(); + + void set_divider (std::vector<float>::size_type divider, float fract); + float get_divider (std::vector<float>::size_type divider = 0); + void set_child_minsize (Gtk::Widget const &, int32_t); + + GType child_type_vfunc() const; + void set_drag_cursor (Gdk::Cursor); + + void set_check_divider_position (bool); + +protected: + bool horizontal; + + void on_add (Gtk::Widget*); + void on_remove (Gtk::Widget*); + void on_size_request (GtkRequisition*); + void on_size_allocate (Gtk::Allocation&); + bool on_expose_event (GdkEventExpose*); + + bool handle_press_event (GdkEventButton*, Divider*); + bool handle_release_event (GdkEventButton*, Divider*); + bool handle_motion_event (GdkEventMotion*, Divider*); + bool handle_enter_event (GdkEventCrossing*, Divider*); + bool handle_leave_event (GdkEventCrossing*, Divider*); + + void forall_vfunc (gboolean include_internals, GtkCallback callback, gpointer callback_data); + +private: + Gdk::Cursor drag_cursor; + bool did_move; + + void reallocate (Gtk::Allocation const &); + + Children children; + + struct Divider : public Gtk::EventBox { + Divider (); + + float fract; + bool dragging; + + bool on_expose_event (GdkEventExpose* ev); + }; + + typedef std::list<Divider*> Dividers; + Dividers dividers; + int divider_width; + bool check_fract; + + void add_divider (); + void handle_child_visibility (); + float constrain_fract (Dividers::size_type, float fract); + + static void* notify_child_destroyed (void*); + void* child_destroyed (Gtk::Widget*); +}; + +class LIBWIDGETS_API HPane : public Pane +{ + public: + HPane () : Pane (true) {} +}; + +class LIBWIDGETS_API VPane : public Pane +{ + public: + VPane () : Pane (false) {} +}; + +} /* namespace */ + +#endif |