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054c982181
The enabled state of a GAction now propagates both to any toolbar buttons and any menu items linked to the action. Toolbar buttons are painted in a grayed out style when disabled. Menu items are gray when disabled. :^)
98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
#include <LibGUI/GAction.h>
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#include <LibGUI/GApplication.h>
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#include <LibGUI/GButton.h>
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#include <LibGUI/GMenuItem.h>
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GAction::GAction(const String& text, const String& custom_data, Function<void(const GAction&)> on_activation_callback)
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: on_activation(move(on_activation_callback))
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, m_text(text)
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, m_custom_data(custom_data)
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{
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}
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GAction::GAction(const String& text, Function<void(const GAction&)> on_activation_callback)
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: GAction(text, String(), move(on_activation_callback))
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{
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}
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GAction::GAction(const String& text, RetainPtr<GraphicsBitmap>&& icon, Function<void(const GAction&)> on_activation_callback)
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: on_activation(move(on_activation_callback))
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, m_text(text)
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, m_icon(move(icon))
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{
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}
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GAction::GAction(const String& text, const GShortcut& shortcut, Function<void(const GAction&)> on_activation_callback)
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: GAction(text, shortcut, nullptr, move(on_activation_callback))
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{
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}
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GAction::GAction(const String& text, const GShortcut& shortcut, RetainPtr<GraphicsBitmap>&& icon, Function<void(const GAction&)> on_activation_callback)
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: on_activation(move(on_activation_callback))
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, m_text(text)
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, m_icon(move(icon))
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, m_shortcut(shortcut)
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{
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GApplication::the().register_shortcut_action(Badge<GAction>(), *this);
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}
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GAction::~GAction()
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{
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if (m_shortcut.is_valid())
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GApplication::the().unregister_shortcut_action(Badge<GAction>(), *this);
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}
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void GAction::activate()
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{
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if (on_activation)
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on_activation(*this);
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}
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void GAction::register_button(Badge<GButton>, GButton& button)
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{
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m_buttons.set(&button);
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}
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void GAction::unregister_button(Badge<GButton>, GButton& button)
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{
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m_buttons.remove(&button);
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}
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void GAction::register_menu_item(Badge<GMenuItem>, GMenuItem& menu_item)
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{
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m_menu_items.set(&menu_item);
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}
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void GAction::unregister_menu_item(Badge<GMenuItem>, GMenuItem& menu_item)
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{
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m_menu_items.remove(&menu_item);
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}
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template<typename Callback>
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void GAction::for_each_toolbar_button(Callback callback)
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{
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for (auto& it : m_buttons)
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callback(*it);
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}
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template<typename Callback>
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void GAction::for_each_menu_item(Callback callback)
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{
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for (auto& it : m_menu_items)
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callback(*it);
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}
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void GAction::set_enabled(bool enabled)
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{
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if (m_enabled == enabled)
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return;
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m_enabled = enabled;
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for_each_toolbar_button([enabled] (GButton& button) {
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button.set_enabled(enabled);
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});
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for_each_menu_item([enabled] (GMenuItem& item) {
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item.set_enabled(enabled);
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});
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}
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