414 lines
12 KiB
C++
414 lines
12 KiB
C++
/*
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* Copyright 2001-2015, 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 _WINDOW_H
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#define _WINDOW_H
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#include <Looper.h>
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#include <StorageDefs.h>
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#include <View.h>
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class BButton;
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class BMenuBar;
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class BMenuItem;
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class BMessage;
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class BMessageRunner;
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class BMessenger;
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class BView;
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namespace BPrivate {
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class PortLink;
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};
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enum window_type {
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B_UNTYPED_WINDOW = 0,
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B_TITLED_WINDOW = 1,
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B_MODAL_WINDOW = 3,
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B_DOCUMENT_WINDOW = 11,
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B_BORDERED_WINDOW = 20,
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B_FLOATING_WINDOW = 21
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};
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enum window_look {
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B_BORDERED_WINDOW_LOOK = 20,
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B_NO_BORDER_WINDOW_LOOK = 19,
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B_TITLED_WINDOW_LOOK = 1,
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B_DOCUMENT_WINDOW_LOOK = 11,
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B_MODAL_WINDOW_LOOK = 3,
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B_FLOATING_WINDOW_LOOK = 7
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};
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enum window_feel {
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B_NORMAL_WINDOW_FEEL = 0,
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B_MODAL_SUBSET_WINDOW_FEEL = 2,
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B_MODAL_APP_WINDOW_FEEL = 1,
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B_MODAL_ALL_WINDOW_FEEL = 3,
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B_FLOATING_SUBSET_WINDOW_FEEL = 5,
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B_FLOATING_APP_WINDOW_FEEL = 4,
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B_FLOATING_ALL_WINDOW_FEEL = 6
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};
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enum window_alignment {
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B_BYTE_ALIGNMENT = 0,
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B_PIXEL_ALIGNMENT = 1
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};
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// window flags
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enum {
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B_NOT_MOVABLE = 0x00000001,
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B_NOT_CLOSABLE = 0x00000020,
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B_NOT_ZOOMABLE = 0x00000040,
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B_NOT_MINIMIZABLE = 0x00004000,
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B_NOT_RESIZABLE = 0x00000002,
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B_NOT_H_RESIZABLE = 0x00000004,
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B_NOT_V_RESIZABLE = 0x00000008,
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B_AVOID_FRONT = 0x00000080,
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B_AVOID_FOCUS = 0x00002000,
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B_WILL_ACCEPT_FIRST_CLICK = 0x00000010,
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B_OUTLINE_RESIZE = 0x00001000,
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B_NO_WORKSPACE_ACTIVATION = 0x00000100,
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B_NOT_ANCHORED_ON_ACTIVATE = 0x00020000,
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B_ASYNCHRONOUS_CONTROLS = 0x00080000,
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B_QUIT_ON_WINDOW_CLOSE = 0x00100000,
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B_SAME_POSITION_IN_ALL_WORKSPACES = 0x00200000,
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B_AUTO_UPDATE_SIZE_LIMITS = 0x00400000,
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B_CLOSE_ON_ESCAPE = 0x00800000,
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B_NO_SERVER_SIDE_WINDOW_MODIFIERS = 0x00000200
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};
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#define B_CURRENT_WORKSPACE 0
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#define B_ALL_WORKSPACES 0xffffffff
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// MoveOnScreen() flags
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enum {
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B_DO_NOT_RESIZE_TO_FIT = 0x0001,
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B_MOVE_IF_PARTIALLY_OFFSCREEN = 0x0002
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};
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class BWindow : public BLooper {
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public:
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BWindow(BRect frame, const char* title,
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window_type type, uint32 flags,
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uint32 workspace = B_CURRENT_WORKSPACE);
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BWindow(BRect frame, const char* title,
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window_look look, window_feel feel,
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uint32 flags, uint32 workspace
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= B_CURRENT_WORKSPACE);
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virtual ~BWindow();
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BWindow(BMessage* archive);
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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 Quit();
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void Close() { Quit(); }
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void AddChild(BView* child, BView* before = NULL);
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void AddChild(BLayoutItem* child);
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bool RemoveChild(BView* child);
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int32 CountChildren() const;
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BView* ChildAt(int32 index) const;
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virtual void DispatchMessage(BMessage* message,
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BHandler* handler);
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virtual void MessageReceived(BMessage* message);
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virtual void FrameMoved(BPoint newPosition);
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virtual void WorkspacesChanged(uint32 oldWorkspaces,
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uint32 newWorkspaces);
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virtual void WorkspaceActivated(int32 workspace,
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bool state);
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virtual void FrameResized(float newWidth, float newHeight);
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virtual void Minimize(bool minimize);
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virtual void Zoom(BPoint origin, float width, float height);
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void Zoom();
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void SetZoomLimits(float maxWidth, float maxHeight);
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virtual void ScreenChanged(BRect screenSize,
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color_space depth);
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void SetPulseRate(bigtime_t rate);
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bigtime_t PulseRate() const;
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void AddShortcut(uint32 key, uint32 modifiers,
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BMessage* message);
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void AddShortcut(uint32 key, uint32 modifiers,
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BMessage* message, BHandler* target);
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bool HasShortcut(uint32 key, uint32 modifiers);
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void RemoveShortcut(uint32 key, uint32 modifiers);
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void SetDefaultButton(BButton* button);
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BButton* DefaultButton() const;
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virtual void MenusBeginning();
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virtual void MenusEnded();
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bool NeedsUpdate() const;
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void UpdateIfNeeded();
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BView* FindView(const char* viewName) const;
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BView* FindView(BPoint) const;
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BView* CurrentFocus() const;
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void Activate(bool = true);
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virtual void WindowActivated(bool focus);
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void ConvertToScreen(BPoint* point) const;
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BPoint ConvertToScreen(BPoint point) const;
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void ConvertFromScreen(BPoint* point) const;
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BPoint ConvertFromScreen(BPoint point) const;
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void ConvertToScreen(BRect* rect) const;
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BRect ConvertToScreen(BRect rect) const;
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void ConvertFromScreen(BRect* rect) const;
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BRect ConvertFromScreen(BRect rect) const;
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void MoveBy(float dx, float dy);
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void MoveTo(BPoint);
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void MoveTo(float x, float y);
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void ResizeBy(float dx, float dy);
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void ResizeTo(float width, float height);
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void ResizeToPreferred();
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void CenterIn(const BRect& rect);
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void CenterOnScreen();
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void CenterOnScreen(screen_id id);
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void MoveOnScreen(uint32 flags = 0);
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virtual void Show();
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virtual void Hide();
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bool IsHidden() const;
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bool IsMinimized() const;
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void Flush() const;
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void Sync() const;
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status_t SendBehind(const BWindow* window);
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void DisableUpdates();
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void EnableUpdates();
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void BeginViewTransaction();
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// referred as OpenViewTransaction()
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// in BeBook
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void EndViewTransaction();
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// referred as CommitViewTransaction()
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// in BeBook
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bool InViewTransaction() const;
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BRect Bounds() const;
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BRect Frame() const;
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BRect DecoratorFrame() const;
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BSize Size() const;
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const char* Title() const;
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void SetTitle(const char* title);
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bool IsFront() const;
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bool IsActive() const;
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void SetKeyMenuBar(BMenuBar* bar);
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BMenuBar* KeyMenuBar() const;
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void SetSizeLimits(float minWidth, float maxWidth,
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float minHeight, float maxHeight);
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void GetSizeLimits(float* minWidth, float* maxWidth,
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float* minHeight, float* maxHeight);
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void UpdateSizeLimits();
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status_t SetDecoratorSettings(const BMessage& settings);
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status_t GetDecoratorSettings(BMessage* settings) const;
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uint32 Workspaces() const;
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void SetWorkspaces(uint32);
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BView* LastMouseMovedView() const;
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virtual BHandler* ResolveSpecifier(BMessage* message,
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int32 index, BMessage* specifier,
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int32 what, const char* property);
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virtual status_t GetSupportedSuites(BMessage* data);
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status_t AddToSubset(BWindow* window);
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status_t RemoveFromSubset(BWindow* window);
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virtual status_t Perform(perform_code code, void* data);
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status_t SetType(window_type type);
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window_type Type() const;
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status_t SetLook(window_look look);
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window_look Look() const;
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status_t SetFeel(window_feel feel);
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window_feel Feel() const;
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status_t SetFlags(uint32);
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uint32 Flags() const;
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bool IsModal() const;
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bool IsFloating() const;
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status_t SetWindowAlignment(window_alignment mode,
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int32 h, int32 hOffset = 0,
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int32 width = 0, int32 widthOffset = 0,
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int32 v = 0, int32 vOffset = 0,
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int32 height = 0, int32 heightOffset = 0);
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status_t GetWindowAlignment(
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window_alignment* mode = NULL,
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int32* h = NULL, int32* hOffset = NULL,
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int32* width = NULL,
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int32* widthOffset = NULL,
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int32* v = NULL, int32* vOffset = NULL,
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int32* height = NULL,
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int32* heightOffset = NULL) const;
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virtual bool QuitRequested();
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virtual thread_id Run();
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virtual void SetLayout(BLayout* layout);
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BLayout* GetLayout() const;
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void InvalidateLayout(bool descendants = false);
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void Layout(bool force);
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bool IsOffscreenWindow() const;
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private:
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// FBC padding and forbidden methods
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virtual void _ReservedWindow2();
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virtual void _ReservedWindow3();
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virtual void _ReservedWindow4();
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virtual void _ReservedWindow5();
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virtual void _ReservedWindow6();
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virtual void _ReservedWindow7();
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virtual void _ReservedWindow8();
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BWindow();
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BWindow(BWindow&);
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BWindow& operator=(BWindow&);
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private:
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typedef BLooper inherited;
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struct unpack_cookie;
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class Shortcut;
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friend class BAlert;
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friend class BApplication;
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friend class BBitmap;
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friend class BView;
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friend class BMenuItem;
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friend class BWindowScreen;
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friend class BDirectWindow;
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friend class BFilePanel;
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friend class BWindowStack;
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friend void _set_menu_sem_(BWindow* w, sem_id sem);
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friend status_t _safe_get_server_token_(const BLooper*, int32*);
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BWindow(BRect frame, int32 bitmapToken);
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void _InitData(BRect frame, const char* title,
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window_look look, window_feel feel,
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uint32 flags, uint32 workspace,
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int32 bitmapToken = -1);
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virtual void task_looper();
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BPoint AlertPosition(const BRect& frame);
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virtual BMessage* ConvertToMessage(void* raw, int32 code);
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void AddShortcut(uint32 key, uint32 modifiers,
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BMenuItem* item);
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BHandler* _DetermineTarget(BMessage* message,
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BHandler* target);
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bool _IsFocusMessage(BMessage* message);
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bool _UnpackMessage(unpack_cookie& state,
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BMessage** _message, BHandler** _target,
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bool* _usePreferred);
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void _SanitizeMessage(BMessage* message,
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BHandler* target, bool usePreferred);
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bool _StealMouseMessage(BMessage* message,
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bool& deleteMessage);
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uint32 _TransitForMouseMoved(BView* view,
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BView* viewUnderMouse) const;
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bool InUpdate();
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void _DequeueAll();
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window_type _ComposeType(window_look look,
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window_feel feel) const;
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void _DecomposeType(window_type type,
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window_look* look,
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window_feel* feel) const;
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void SetIsFilePanel(bool yes);
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bool IsFilePanel() const;
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void _CreateTopView();
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void _AdoptResize();
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void _SetFocus(BView* focusView,
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bool notifyIputServer = false);
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void _SetName(const char* title);
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Shortcut* _FindShortcut(uint32 key, uint32 modifiers);
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BView* _FindView(BView* view, BPoint point) const;
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BView* _FindView(int32 token);
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BView* _LastViewChild(BView* parent);
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BView* _FindNextNavigable(BView* focus, uint32 flags);
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BView* _FindPreviousNavigable(BView* focus,
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uint32 flags);
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void _Switcher(int32 rawKey, uint32 modifiers,
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bool repeat);
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bool _HandleKeyDown(BMessage* event);
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bool _HandleUnmappedKeyDown(BMessage* event);
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void _KeyboardNavigation();
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void _GetDecoratorSize(float* _borderWidth,
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float* _tabHeight) const;
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void _SendShowOrHideMessage();
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private:
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char* fTitle;
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int32 _unused0;
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bool fInTransaction;
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bool fActive;
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short fShowLevel;
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uint32 fFlags;
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BView* fTopView;
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BView* fFocus;
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BView* fLastMouseMovedView;
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uint32 _unused1;
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BMenuBar* fKeyMenuBar;
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BButton* fDefaultButton;
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BList fShortcuts;
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int32 fTopViewToken;
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bool fUpdateRequested;
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bool fOffscreen;
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bool fIsFilePanel;
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bool _unused4;
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bigtime_t fPulseRate;
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bool _unused5;
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bool fMinimized;
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bool fNoQuitShortcut;
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bool _unused6;
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sem_id fMenuSem;
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float fMaxZoomHeight;
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float fMaxZoomWidth;
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float fMinHeight;
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float fMinWidth;
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float fMaxHeight;
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float fMaxWidth;
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BRect fFrame;
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window_look fLook;
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window_feel fFeel;
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int32 fLastViewToken;
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::BPrivate::PortLink* fLink;
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BMessageRunner* fPulseRunner;
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BRect fPreviousFrame;
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uint32 _reserved[9];
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};
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#endif // _WINDOW_H
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