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Code Issues Activity Actions

LibGUI+WindowServer: Add support for enabled/disabled actions.

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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. :^)
This commit is contained in:
Andreas Kling 2019-04-12 02:53:27 +02:00
parent 32e5c8c689
commit 054c982181
20 changed files with 308 additions and 53 deletions
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23
LibGUI/GAction.h
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@ -4,10 +4,16 @@
#include <AK/Function.h>
#include <AK/Retainable.h>
#include <AK/Retained.h>
#include <AK/Weakable.h>
#include <AK/Badge.h>
#include <AK/HashTable.h>
#include <SharedGraphics/GraphicsBitmap.h>
#include <LibGUI/GShortcut.h>
class GAction : public Retainable<GAction> {
class GButton;
class GMenuItem;
class GAction : public Retainable<GAction>, public Weakable<GAction> {
public:
static Retained<GAction> create(const String& text, Function<void(const GAction&)> callback)
{
@ -40,6 +46,14 @@ public:
void activate();
bool is_enabled() const { return m_enabled; }
void set_enabled(bool);
void register_button(Badge<GButton>, GButton&);
void unregister_button(Badge<GButton>, GButton&);
void register_menu_item(Badge<GMenuItem>, GMenuItem&);
void unregister_menu_item(Badge<GMenuItem>, GMenuItem&);
private:
GAction(const String& text, Function<void(const GAction&)> = nullptr);
GAction(const String& text, const GShortcut&, Function<void(const GAction&)> = nullptr);
@ -47,9 +61,16 @@ private:
GAction(const String& text, RetainPtr<GraphicsBitmap>&& icon, Function<void(const GAction&)> = nullptr);
GAction(const String& text, const String& custom_data = String(), Function<void(const GAction&)> = nullptr);
template<typename Callback> void for_each_toolbar_button(Callback);
template<typename Callback> void for_each_menu_item(Callback);
String m_text;
String m_custom_data;
RetainPtr<GraphicsBitmap> m_icon;
GShortcut m_shortcut;
bool m_enabled { true };
HashTable<GButton*> m_buttons;
HashTable<GMenuItem*> m_menu_items;
};