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gtk3-tqt-engine/tdegtk/tdegtk-utils.h

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#ifndef tdegtk_utils_h
#define tdegtk_utils_h
/*
* this file was largely taken from the oxygen gtk engine
* Copyright (c) 2010 Hugo Pereira Da Costa <hugo@oxygen-icons.org>
* Copyright (c) 2010 Ruslan Kabatsayev <b7.10110111@gmail.com>
*
* GdkPixbuf modification code from Walmis
* <http://gnome-look.org/content/show.php?content=77783&forumpage=3>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or( at your option ) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
// #include "oxygenrgba.h"
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include <cmath>
#include <string>
#if 0
//! GdkRectangle streamer
inline std::ostream& operator << (std::ostream& out, const GdkRectangle& rect )
{
out << "( " << rect.x << "," << rect.y << "," << rect.width << "," << rect.height << ")";
return out;
}
//! GtkBorder streamer
inline std::ostream& operator << (std::ostream& out, const GtkBorder& border )
{
out << "( " << border.left << "," << border.right << "," << border.top << "," << border.bottom << ")";
return out;
}
//! streamer for GtkWidgetPath
std::ostream& operator << ( std::ostream& out, const GtkWidgetPath* path );
//! GtkContainer streamer
inline std::ostream& operator << (std::ostream& out, GtkContainer* container)
{
GList* children=gtk_container_get_children(container);
for(GList* child=g_list_first(children); child; child=g_list_next(child))
{
out << G_OBJECT_TYPE_NAME(child->data) << " ";
}
g_list_free(children);
return out;
}
#endif
namespace Gtk
{
//! mouse button enumeration
enum MouseButton
{
NoButton = 0,
LeftButton = 1,
RightButton = 2,
MidButton = 3
};
//@!name gdk utilities
//@{
#if 0
//! returns OxygenRgba color from GdkColor
/*! TODO: remove as obsolete */
inline ColorUtils::Rgba gdk_get_color( const GdkColor& color )
{
return ColorUtils::Rgba(
double(color.red)/0xffff,
double(color.green)/0xffff,
double(color.blue)/0xffff );
}
//! returns OxygenRgba color from GdkColor
inline ColorUtils::Rgba gdk_get_color( const GdkRGBA& color )
{ return ColorUtils::Rgba( color.red, color.green, color.blue, color.alpha ); }
#endif
//! map widget origin to top level
/*!
x and y correspond to (0,0) maped to toplevel window;
w and h correspond to toplevel window frame size
*/
bool gdk_window_map_to_toplevel( GdkWindow*, gint*, gint*, gint*, gint*, bool frame = false );
//! map widget origin to top level
/*!
x and y correspond to (0,0) maped to toplevel window;
w and h correspond to toplevel window frame size
*/
bool gtk_widget_map_to_toplevel( GtkWidget*, gint*, gint*, gint*, gint*, bool frame = false );
//! map widget onto another (parent) widget
/*! second argument can be any parent in widget's ancestry tree */
bool gtk_widget_map_to_parent( GtkWidget*, GtkWidget*, gint*, gint*, gint*, gint* );
//! map window/widget origin to top level
inline bool gdk_map_to_toplevel( GdkWindow* window, GtkWidget* widget, gint* x, gint* y, gint* w, gint* h, bool frame = false )
{
if( window && GDK_IS_WINDOW( window ) ) return gdk_window_map_to_toplevel( window, x, y, w, h, frame );
else return gtk_widget_map_to_toplevel( widget, x, y, w, h, frame );
}
//! map window origin to top level
inline bool gdk_map_to_toplevel( GdkWindow* window, gint* x, gint* y, gint* w, gint* h, bool frame = false )
{ return gdk_window_map_to_toplevel( window, x, y, w, h, frame ); }
//! translate origin of child window into parent
/*! returns true on success */
bool gdk_window_translate_origin( GdkWindow*, GdkWindow*, gint*, gint* );
//! get top level windows dimension
void gdk_toplevel_get_size( GdkWindow*, gint*, gint* );
//! get top level windows dimension
void gdk_toplevel_get_frame_size( GdkWindow*, gint*, gint* );
//! get position relatve to toplevel
void gdk_window_get_toplevel_origin( GdkWindow*, gint*, gint* );
//! add alpha channel to pixbuf
GdkPixbuf* gdk_pixbuf_set_alpha( const GdkPixbuf*, double );
//! changes the gamma value of an image
bool gdk_pixbuf_to_gamma( GdkPixbuf* pixbuf, double value );
//! resize pixbuf
GdkPixbuf* gdk_pixbuf_resize( GdkPixbuf* src, int width, int height );
//! returns initialized GdkRectangle
inline GdkRectangle gdk_rectangle( int x = 0, int y = 0, int w = -1, int h = -1 )
{
GdkRectangle out = {x, y, w, h};
return out;
}
//! returns true if rectangle is valid
inline bool gdk_rectangle_is_valid( const GdkRectangle* rect )
{ return rect && rect->width > 0 && rect->height > 0; }
//! performs union of two rectangle, properly accounting for their validity
inline void gdk_rectangle_union( const GdkRectangle* first, const GdkRectangle* second, GdkRectangle* out )
{
if( !out ) return;
const bool firstIsValid( Gtk::gdk_rectangle_is_valid( first ) );
const bool secondIsValid( Gtk::gdk_rectangle_is_valid( second ) );
if( firstIsValid && secondIsValid ) ::gdk_rectangle_union( first, second, out );
else if( secondIsValid ) *out = *second;
else *out = *first;
}
//! returns true if given rectangle contains point
inline bool gdk_rectangle_contains( const GdkRectangle* rect, int x, int y )
{
return
rect &&
( rect->x <= x && (rect->x + rect->width) > x ) &&
( rect->y <= y && (rect->y + rect->height) > y );
}
//@}
//! get arrow orientation from angle
inline GtkArrowType gtk_arrow_get_type( const double& angle )
{
static const double delta( 0.001 );
if( std::abs( angle ) < delta ) return GTK_ARROW_UP;
else if( std::abs( angle - M_PI/2 ) < delta ) return GTK_ARROW_RIGHT;
else if( std::abs( angle - M_PI ) < delta ) return GTK_ARROW_DOWN;
else return GTK_ARROW_LEFT;
}
//! returns true if widget's layout is reversed
inline bool gtk_widget_layout_is_reversed( GtkWidget* widget )
{ return widget ? gtk_widget_get_direction( widget ) == GTK_TEXT_DIR_RTL : false; }
//! returns true if widget's layout is reversed
inline bool gtk_theming_engine_layout_is_reversed( GtkThemingEngine* engine )
{ return engine ? gtk_theming_engine_get_direction( engine ) == GTK_TEXT_DIR_RTL : false; }
//! set all buttons in the container to state NORMAL
void gtk_container_adjust_buttons_state( GtkContainer*, gpointer=0L );
//! returns widget allocation
inline GtkAllocation gtk_widget_get_allocation( GtkWidget* widget )
{
GtkAllocation allocation = { 0, 0, -1, -1 };
::gtk_widget_get_allocation( widget, &allocation );
return allocation;
}
//! returns true if given path has given type
bool gtk_widget_path_has_type( const GtkWidgetPath*, GType );
//! returns true if widget is a groupbox (a la Qt)
inline bool gtk_widget_is_groupbox( GtkWidget* widget )
{
return
GTK_IS_FRAME( widget ) &&
gtk_frame_get_label_widget( GTK_FRAME( widget ) ) &&
gtk_frame_get_shadow_type( GTK_FRAME( widget ) ) == GTK_SHADOW_OUT;
}
//! returns true if widget (or one of its parent) has a custom background
bool gtk_widget_has_custom_background( GtkWidget*, GtkStateType = GTK_STATE_NORMAL );
//! returns true if is an Gnome applet
bool gtk_widget_is_applet( GtkWidget* );
//! print some widget information
void gtk_widget_print_tree( GtkWidget* );
//! returns true if widget supports rgba
bool gtk_widget_has_rgba( GtkWidget* );
//! returns true if default screen is composited
bool gdk_default_screen_is_composited( void );
//! returns true if window supports rgba
bool gdk_window_has_rgba( GdkWindow* );
//! true if visual supports rgba
bool gdk_visual_has_rgba( GdkVisual* );
//! returns true if window is a base window
bool gdk_window_is_base( GdkWindow* );
//! returns true if window is a base window that do not need painting
bool gdk_window_nobackground( GdkWindow* );
//! true if object match a given type
bool g_object_is_a( const GObject*, const std::string& );
//! trigger area update using GdkRectangle
inline void gtk_widget_queue_draw( GtkWidget* widget, const GdkRectangle* rect = 0L )
{
if( !gdk_rectangle_is_valid( rect ) ) ::gtk_widget_queue_draw( widget );
else ::gtk_widget_queue_draw_area( widget, rect->x, rect->y, rect->width, rect->height );
}
//!@name check parent type
//@{
//! returns widget path as a string
std::string gtk_widget_path( GtkWidget* );
//! return parent of given type if any
GtkWidget* gtk_widget_find_parent( GtkWidget*, GType );
//! return parent of given type
inline GtkWidget* gtk_widget_find_parent( GtkWidget* widget, const std::string& typeName )
{
const GType tmp( g_type_from_name( typeName.c_str() ) );
return tmp ? gtk_widget_find_parent( widget, tmp ): 0L;
}
//! return parent "group box" if any.
GtkWidget* gtk_parent_groupbox( GtkWidget* widget );
//! return parent button if any.
inline GtkWidget* gtk_parent_button( GtkWidget* widget )
{ return gtk_widget_find_parent( widget, GTK_TYPE_BUTTON ); }
//! return parent menu if any
inline GtkWidget* gtk_parent_menubar( GtkWidget* widget )
{ return gtk_widget_find_parent( widget, GTK_TYPE_MENU_BAR ); }
//! return parent menu if any
inline GtkWidget* gtk_parent_menu( GtkWidget* widget )
{ return gtk_widget_find_parent( widget, GTK_TYPE_MENU ); }
//! return parent treeview if any.
inline GtkWidget* gtk_parent_tree_view( GtkWidget* widget )
{ return gtk_widget_find_parent( widget, GTK_TYPE_TREE_VIEW ); }
//! return parent combobox if any.
inline GtkWidget* gtk_parent_combobox( GtkWidget* widget )
{ return gtk_widget_find_parent( widget, GTK_TYPE_COMBO_BOX ); }
//! return parent combobox if any.
inline GtkWidget* gtk_parent_combobox_entry( GtkWidget* widget )
{
GtkWidget* parent( gtk_parent_combobox( widget ) );
return ( parent && gtk_combo_box_get_has_entry( GTK_COMBO_BOX( parent ) ) ) ? parent:0L;
}
//! return parent scrolled window if any.
inline GtkWidget* gtk_parent_scrolled_window( GtkWidget* widget )
{ return gtk_widget_find_parent( widget, GTK_TYPE_SCROLLED_WINDOW ); }
//! return parent statusbar if any.
inline GtkWidget* gtk_parent_statusbar( GtkWidget* widget )
{ return gtk_widget_find_parent( widget, GTK_TYPE_STATUSBAR ); }
//! return parent combobox if any.
inline GtkWidget* gtk_parent_notebook( GtkWidget* widget )
{ return gtk_widget_find_parent( widget, GTK_TYPE_NOTEBOOK ); }
//! returns true if potentialParent is (maybe indirect) parent of widget
bool gtk_widget_is_parent( GtkWidget*, GtkWidget* potentialParent );
//! returns true if one of the parent widgets has a sunken shadow
bool gtk_parent_is_shadow_in( GtkWidget* );
//@}
//! true if a widget (orientable) is horizontal
inline bool gtk_widget_is_horizontal( GtkWidget* widget )
{
if( !GTK_IS_ORIENTABLE( widget ) ) return true;
return gtk_orientable_get_orientation( GTK_ORIENTABLE( widget ) ) == GTK_ORIENTATION_HORIZONTAL;
}
//! true if a widget (orientable) is vertical
inline bool gtk_widget_is_vertical( GtkWidget* widget )
{
if( !GTK_IS_ORIENTABLE( widget ) ) return false;
return gtk_orientable_get_orientation( GTK_ORIENTABLE( widget ) ) == GTK_ORIENTATION_VERTICAL;
}
//! true if scrolled window must be forced to have a sunken frame
bool gtk_scrolled_window_force_sunken( GtkWidget* );
//!@name button utilities
//@{
//! true for 'flat' buttons (e.g. toolbuttons)
bool gtk_button_is_flat( GtkWidget* );
//! true for treeview headers and affiliated
bool gtk_button_is_header( GtkWidget* );
//! true for buttons in path bars
bool gtk_button_is_in_path_bar( GtkWidget* widget );
//! true if widget is last in path bar
bool gtk_path_bar_button_is_last( GtkWidget* widget );
//! returns an image on button-container
GtkWidget* gtk_button_find_image( GtkWidget* );
//! returns an image on button-container
GtkWidget* gtk_button_find_label( GtkWidget* );
//@}
//!@name combobox utilities
//@{
//! returns true if combobox has frame
bool gtk_combobox_has_frame( GtkWidget* );
//! true if widget is the treeview of a combobox
bool gtk_combobox_is_tree_view( GtkWidget* );
//! true if widget is the treeview of a combobox
bool gtk_combobox_is_scrolled_window( GtkWidget* );
//! true if widget is the treeview of a combobox
bool gtk_combobox_is_viewport( GtkWidget* );
//! true if widget is the treeview of a combobox
bool gtk_combobox_is_frame( GtkWidget* );
//! true if combobox must appear as list
bool gtk_combobox_appears_as_list( GtkWidget* );
//@}
//!@name notebook utilities
//@{
//! returns true if position is in hovered tab
//* this should move to OxygenTabWidgetData
bool gtk_notebook_tab_contains( GtkWidget*, int tab, int x, int y );
//! returns tab matching position or -1 if none
int gtk_notebook_find_tab( GtkWidget*, int x, int y );
//! returns index of first visible tab
int gtk_notebook_find_first_tab( GtkWidget* );
//! returns true if widget is one of the notebook's tab labels
bool gtk_notebook_is_tab_label( GtkNotebook*, GtkWidget* );
//! returns tabbar rect in notebook
void gtk_notebook_get_tabbar_rect( GtkNotebook*, GdkRectangle* );
//! returns true if notebook has visible scrollbar arrows
/*! arrows are dimmed visible if at least one of the child tab_labels is unmapped */
bool gtk_notebook_has_visible_arrows( GtkNotebook* );
// make all the buttons on the tabs normal
bool gtk_notebook_update_close_buttons( GtkNotebook*);
//! returns true if widget is a notebook close button
bool gtk_notebook_is_close_button( GtkWidget* );
//@}
//! calculates viewport offsets (between view window and bin window
void gtk_viewport_get_position( GtkViewport*, gint*, gint* );
//! returns a widget which has response_id as response id for dialog
GtkWidget* gtk_dialog_find_button( GtkDialog*, gint );
}
#endif