20f2ebae4b
This code comes from an old Be Newsletter and since then the API received the addition of SetMouseEventMask. In several places the MouseDownThread was misused: it would spawn a new thread on every mouse click and not clear the previous one. This could for example lead to BSpinner skipping values if you clicked it at the right speed. There are functional changes in BSpinner, before it updated for the first time 100ms after mouse down, and then as you moved the mouse around the button, now it activates immediately on first click and then every 200ms (which may be a bit short). In other places, no functional changes intended. Change-Id: Ie600dc68cbb87d1e237633953e5189918bf36575 Reviewed-on: https://review.haiku-os.org/c/haiku/+/2599 Reviewed-by: waddlesplash <waddlesplash@gmail.com>
162 lines
4.4 KiB
C++
162 lines
4.4 KiB
C++
/*
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* Copyright 2006-2016 Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _MENU_FIELD_H
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#define _MENU_FIELD_H
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#include <Menu.h>
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class BMenuBar;
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class BMessageFilter;
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class BMenuField : public BView {
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public:
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BMenuField(BRect frame, const char* name,
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const char* label, BMenu* menu,
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uint32 resizingMode = B_FOLLOW_LEFT_TOP,
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uint32 flags = B_WILL_DRAW | B_NAVIGABLE);
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BMenuField(BRect frame, const char* name,
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const char* label, BMenu* menu,
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bool fixed_size,
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uint32 resizingMode = B_FOLLOW_LEFT_TOP,
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uint32 flags = B_WILL_DRAW | B_NAVIGABLE);
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BMenuField(const char* name,
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const char* label, BMenu* menu,
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uint32 flags = B_WILL_DRAW | B_NAVIGABLE);
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BMenuField(const char* label, BMenu* menu,
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uint32 flags = B_WILL_DRAW | B_NAVIGABLE);
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BMenuField(BMessage* data);
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virtual ~BMenuField();
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static BArchivable* Instantiate(BMessage* archive);
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virtual status_t Archive(BMessage* archive,
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bool deep = true) const;
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virtual void Draw(BRect updateRect);
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virtual void AttachedToWindow();
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virtual void AllAttached();
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virtual void MouseDown(BPoint where);
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virtual void KeyDown(const char* bytes, int32 numBytes);
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virtual void MakeFocus(bool focused);
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virtual void MessageReceived(BMessage* message);
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virtual void WindowActivated(bool active);
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virtual void MouseUp(BPoint where);
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virtual void MouseMoved(BPoint where, uint32 transit,
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const BMessage* dragMessage);
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virtual void DetachedFromWindow();
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virtual void AllDetached();
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virtual void FrameMoved(BPoint where);
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virtual void FrameResized(float width, float height);
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BMenu* Menu() const;
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BMenuBar* MenuBar() const;
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BMenuItem* MenuItem() const;
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virtual void SetLabel(const char* label);
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const char* Label() const;
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virtual void SetEnabled(bool on);
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bool IsEnabled() const;
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virtual void SetAlignment(alignment label);
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alignment Alignment() const;
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virtual void SetDivider(float position);
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float Divider() const;
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void ShowPopUpMarker();
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void HidePopUpMarker();
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virtual BHandler* ResolveSpecifier(BMessage* message,
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int32 index, BMessage* specifier,
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int32 form, const char* property);
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virtual status_t GetSupportedSuites(BMessage* data);
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virtual void ResizeToPreferred();
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virtual void GetPreferredSize(float* width, float* height);
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virtual BSize MinSize();
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virtual BSize MaxSize();
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virtual BSize PreferredSize();
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BLayoutItem* CreateLabelLayoutItem();
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BLayoutItem* CreateMenuBarLayoutItem();
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virtual status_t Perform(perform_code d, void* arg);
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protected:
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virtual status_t AllArchived(BMessage* into) const;
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virtual status_t AllUnarchived(const BMessage* from);
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virtual void LayoutInvalidated(bool descendants);
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virtual void DoLayout();
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private:
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// FBC padding
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virtual void _ReservedMenuField1();
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virtual void _ReservedMenuField2();
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virtual void _ReservedMenuField3();
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// Forbidden
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BMenuField& operator=(const BMenuField& other);
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private:
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class LabelLayoutItem;
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class MenuBarLayoutItem;
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struct LayoutData;
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friend class _BMCMenuBar_;
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friend class LabelLayoutItem;
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friend class MenuBarLayoutItem;
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friend struct LayoutData;
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BMenuField(const char* name,
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const char* label, BMenu* menu,
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BMessage* message,
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uint32 flags);
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BMenuField(const char* label,
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BMenu* menu, BMessage* message);
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void _DrawLabel(BRect updateRect);
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void _DrawMenuBar(BRect updateRect);
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void InitObject(const char* label);
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void InitObject2();
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static void InitMenu(BMenu* menu);
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int32 _MenuTask();
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static int32 _thread_entry(void *arg);
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void _UpdateFrame();
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void _InitMenuBar(BMenu* menu,
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BRect frame, bool fixedSize);
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void _InitMenuBar(const BMessage* archive);
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void _AddMenu(BMenu* menu);
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void _ValidateLayoutData();
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float _MenuBarOffset() const;
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float _MenuBarWidth() const;
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private:
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char* fLabel;
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BMenu* fMenu;
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BMenuBar* fMenuBar;
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alignment fAlign;
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float fDivider;
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bool fEnabled;
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bool fFixedSizeMB;
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thread_id fMenuTaskID;
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LayoutData* fLayoutData;
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BMessageFilter* fMouseDownFilter;
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uint32 _reserved[2];
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};
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#endif // _MENU_FIELD_H
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