LUMIERA.clone/src/gui/workspace/ui-manager.cpp
Ichthyostega 1cb2567557 Ui-top-level: use a sincle UiManager instance
instead of letting each window create its own "private interface"
2017-01-26 22:02:45 +01:00

302 lines
9.8 KiB
C++

/*
UiManager - Global UI Manager
Copyright (C) Lumiera.org
2008, Joel Holdsworth <joel@airwebreathe.org.uk>
2017, Hermann Vosseler <Ichthyostega@web.de>
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.
* *****************************************************/
/** @file ui-manager.cpp
** Implementation of global UI resource and instance management.
*/
#include "gui/gtk-lumiera.hpp"
#include "gui/ui-bus.hpp"
#include "gui/workspace/ui-manager.hpp"
#include "lib/searchpath.hpp"
#include "lib/util.hpp"
#include <gtkmm/stylecontext.h>
#include <boost/filesystem.hpp>
#include <memory>
#include <list>
using Gtk::IconSize;
using Gtk::IconFactory;
using util::cStr;
using std::list;
using std::shared_ptr;
namespace gui {
namespace workspace {
namespace fsys = boost::filesystem;
IconSize UiManager::GiantIconSize = Gtk::ICON_SIZE_INVALID;
IconSize UiManager::MenuIconSize = Gtk::ICON_SIZE_INVALID;
UiManager::UiManager (UiBus& bus)
: Gtk::UIManager()
, uiBus_(bus)
{ }
void
UiManager::init (string const& iconPath, string const& resourcePath)
{
this->iconSearchPath_ = iconPath;
this->resourceSerachPath_ = resourcePath;
registerAppIconSizes();
registerStockItems();
}
void
UiManager::setTheme (string const& stylesheetName)
{
auto screen = Gdk::Screen::get_default();
auto css_provider = Gtk::CssProvider::create();
try
{
css_provider->load_from_path (lib::resolveModulePath (stylesheetName, resourceSerachPath_));
/////////////////////////////////TICKET #953 should detect and notify CSS parsing errors. CssProvider offers a signal for this purpose
/////////////////////////////////TICKET #953 ...seems to be supported properly starting with gtkmm 3.18 (Debian/Jessie has 3.14)
}
catch(Glib::Error const& failure)
{
WARN(gui, "Failure while loading stylesheet '%s': %s", cStr(stylesheetName), cStr(failure.what()));
}
Gtk::StyleContext::add_provider_for_screen (screen, css_provider,
GTK_STYLE_PROVIDER_PRIORITY_USER);
}
Cairo::RefPtr<Cairo::SolidPattern>
UiManager::readStyleColourProperty (Gtk::Widget& widget
,const gchar * property_name
,guint16 red, guint16 green, guint16 blue)
{
REQUIRE (property_name);
// TODO: Can we get rid of the GdkColor completely here?
GdkColor *color;
gtk_widget_style_get(widget.gobj(), property_name, &color, NULL);
Cairo::RefPtr<Cairo::SolidPattern> pattern;
// Did the color load successfully?
if (color != NULL)
{
pattern = Cairo::SolidPattern::create_rgb ( (double)color->red / 0xFFFF,
(double)color->green / 0xFFFF,
(double)color->blue / 0xFFFF);
}
else
{
WARN(gui, "%s style value failed to load", property_name);
pattern = Cairo::SolidPattern::create_rgb ( red, green, blue );
}
return pattern;
}
void
UiManager::registerAppIconSizes()
{
if(GiantIconSize == Gtk::ICON_SIZE_INVALID)
GiantIconSize = IconSize::register_new ("giant", 48, 48);
if(MenuIconSize == Gtk::ICON_SIZE_INVALID)
MenuIconSize = IconSize::register_new ("menu", 16, 16);
}
void
UiManager::registerStockItems()
{
Glib::RefPtr<IconFactory> factory = Gtk::IconFactory::create();
addStockIconSet(factory, "panel-assets", "panel_assets", _("_Assets"));
addStockIconSet(factory, "panel-viewer", "panel_viewer", _("_Viewer"));
addStockIconSet(factory, "panel-timeline", "panel_timeline",_("_Timeline"));
addStockIconSet(factory, "panel-timeline", "panel_timeline_obsolete",_("_ZombieTimeline"));
addStockIconSet(factory, "window-new", "new_window", _("New _Window"));
addStockIconSet(factory, "tool-arrow", "tool_arrow", _("_Arrow"));
addStockIconSet(factory, "tool-i-beam", "tool_i_beam", _("_I-Beam"));
addStockIconSet(factory, "track-disabled", "track_disabled",_("Track Disabled"));
addStockIconSet(factory, "track-enabled", "track_enabled", _("Track Enabled"));
addStockIconSet(factory, "track-locked", "track_locked", _("Track Locked"));
addStockIconSet(factory, "track-unlocked", "track_unlocked",_("Track Unlocked"));
factory->add_default(); //Add factory to list of factories.
}
bool
UiManager::addStockIconSet (Glib::RefPtr<IconFactory> const& factory
,cuString& icon_name
,cuString& id
,cuString& label)
{
Glib::RefPtr<Gtk::IconSet> icon_set = Gtk::IconSet::create();
// Load all the sizes, wildcarding the first, largest icon to be
// loaded
bool no_icons = true;
no_icons &= !addStockIcon(
icon_set, icon_name, GiantIconSize, no_icons);
no_icons &= !addStockIcon(
icon_set, icon_name, Gtk::ICON_SIZE_BUTTON, no_icons);
no_icons &= !addStockIcon(
icon_set, icon_name, Gtk::ICON_SIZE_MENU, no_icons);
no_icons &= !addStockIcon(
icon_set, icon_name, Gtk::ICON_SIZE_LARGE_TOOLBAR, no_icons);
no_icons &= !addStockIcon(
icon_set, icon_name, MenuIconSize, no_icons);
if(no_icons)
{
// No icons were loaded
ERROR (gui, "Unable to load icon '%s'", cStr(icon_name));
return false;
}
// Add the icon set to the icon factory
const Gtk::StockID stock_id(id);
factory->add(stock_id, icon_set);
Gtk::Stock::add(Gtk::StockItem(stock_id, label)); //////////////////////TICKET #1030 : use "icon names" instead of Gtk::StockItem
return true;
}
bool
UiManager::addStockIcon (Glib::RefPtr<Gtk::IconSet> const& icon_set
,cuString& icon_name
,Gtk::IconSize size
,bool wildcard)
{
// Try the icon theme
if(addThemeIconSource(icon_set, icon_name, size, wildcard))
return true;
// Try to resolve the icon via the configured search path
lib::SearchPathSplitter iconLocations (iconSearchPath_);
while (iconLocations)
if (addNonThemeIconSource (icon_set
,iconLocations.next()
,icon_name
,size
,wildcard))
return true;
return false; // icon not found
}
bool
UiManager::addThemeIconSource (Glib::RefPtr<Gtk::IconSet> const& icon_set
,cuString& icon_name
,Gtk::IconSize size
,bool wildcard)
{
// Get the size
int width = 0, height = 0;
if(!IconSize::lookup(size, width, height))
return false;
REQUIRE(width > 0);
// Try to load the icon
Glib::RefPtr<Gtk::IconTheme> theme = Gtk::IconTheme::get_default();
REQUIRE(theme);
///////////////////////////////////////////TODO find out how IconInfo could be made const. For example, GTKmm 2.10.10 is missing the const on operator bool() in iconinfo.h
Gtk::IconInfo info = theme->lookup_icon(icon_name, width, (Gtk::IconLookupFlags)0);
if (!info) return false; // unable to resolve Icon
cuString path(info.get_filename());
return addStockIconFromPath(path, icon_set, size, wildcard);
}
bool
UiManager::addNonThemeIconSource (Glib::RefPtr<Gtk::IconSet> const& icon_set
,cuString& base_dir
,cuString& icon_name
,Gtk::IconSize size
,bool wildcard)
{
// Get the size
int width = 0, height = 0;
if(!IconSize::lookup(size, width, height))
return false;
REQUIRE(width > 0);
// Try to load the icon
cuString path(Glib::ustring::compose("%1/%2x%3/%4.png",
base_dir, width, height, icon_name));
return addStockIconFromPath(path, icon_set, size, wildcard);
}
bool
UiManager::addStockIconFromPath (string path
,Glib::RefPtr<Gtk::IconSet> const& icon_set
,Gtk::IconSize size
,bool wildcard)
{
if (!fsys::exists (path)) return false;
try {
Gtk::IconSource source;
source.set_pixbuf(Gdk::Pixbuf::create_from_file(path));
source.set_size_wildcarded(wildcard);
source.set_size(size);
icon_set->add_source(source);
return true;
}
catch(Glib::Exception const& ex)
{
WARN (gui, "Failure when accessing icon '%s'. Problem: %s", cStr(path), cStr(ex.what()));
return false;
}
}
void
UiManager::allowCloseWindow (bool yes)
{
this->get_action("/MenuBar/WindowMenu/WindowCloseWindow")
->set_sensitive (yes);
}
}}// namespace gui::workspace