kicad/libs/kiplatform/gtk/ui.cpp

130 lines
3.3 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2020 Ian McInerney <Ian.S.McInerney at ieee.org>
* Copyright (C) 2020-2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <kiplatform/ui.h>
#include <wx/choice.h>
#include <wx/nonownedwnd.h>
#include <wx/settings.h>
#include <wx/window.h>
#include <gtk/gtk.h>
bool KIPLATFORM::UI::IsDarkTheme()
{
wxColour bg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
// Weighted W3C formula
double brightness = ( bg.Red() / 255.0 ) * 0.299 +
( bg.Green() / 255.0 ) * 0.587 +
( bg.Blue() / 255.0 ) * 0.117;
return brightness < 0.5;
}
void KIPLATFORM::UI::ForceFocus( wxWindow* aWindow )
{
aWindow->SetFocus();
}
bool KIPLATFORM::UI::IsWindowActive( wxWindow* aWindow )
{
if( !aWindow )
return false;
GtkWindow* window = GTK_WINDOW( aWindow->GetHandle() );
if( window )
return gtk_window_is_active( window );
// We shouldn't really ever reach this point
return false;
}
void KIPLATFORM::UI::ReparentQuasiModal( wxNonOwnedWindow* aWindow )
{
// Not needed on this platform
}
void KIPLATFORM::UI::FixupCancelButtonCmdKeyCollision( wxWindow *aWindow )
{
// Not needed on this platform
}
bool KIPLATFORM::UI::IsStockCursorOk( wxStockCursor aCursor )
{
switch( aCursor )
{
case wxCURSOR_BULLSEYE:
case wxCURSOR_HAND:
case wxCURSOR_ARROW:
return true;
default:
return false;
}
}
void KIPLATFORM::UI::EllipsizeChoiceBox( wxChoice* aChoice )
{
// This function is based on the code inside the function post_process_ui in
// gtkfilechooserwidget.c
GList* cells = gtk_cell_layout_get_cells( GTK_CELL_LAYOUT( aChoice->m_widget ) );
if( !cells )
return;
GtkCellRenderer* cell = (GtkCellRenderer*) cells->data;
if( !cell )
return;
g_object_set( G_OBJECT( cell ), "ellipsize", PANGO_ELLIPSIZE_END, nullptr );
// Only the list of cells must be freed, the renderer isn't ours to free
g_list_free( cells );
}
double KIPLATFORM::UI::GetSystemScaleFactor( const wxWindow* aWindow )
{
double val = 1.0;
GtkWidget* widget = static_cast<GtkWidget*>( aWindow->GetHandle() );
if( widget && gtk_check_version( 3, 10, 0 ) == nullptr )
val = gtk_widget_get_scale_factor( widget );
return val;
}
wxSize KIPLATFORM::UI::GetUnobscuredSize( const wxWindow* aWindow )
{
return wxSize( aWindow->GetSize().GetX() - wxSystemSettings::GetMetric( wxSYS_VSCROLL_X ),
aWindow->GetSize().GetY() - wxSystemSettings::GetMetric( wxSYS_HSCROLL_Y ) );
}