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haiku/headers/os/interface/Window.h
Adi Oanca 412586888e cleanup 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14566 a95241bf-73f2-0310-859d-f6bbb57e9c96
2005-10-29 11:38:38 +00:00

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//------------------------------------------------------------------------------
// Copyright (c) 2001-2005, Haiku
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: Window.h
// Author: Adrian Oanca (adioanca@gmail.com)
// Description: BWindow is the base class for all windows (graphic areas
// displayed on-screen).
//------------------------------------------------------------------------------
#ifndef _WINDOW_H
#define _WINDOW_H
#include <BeBuild.h>
#include <InterfaceDefs.h>
#include <List.h>
#include <Looper.h>
#include <Rect.h>
#include <StorageDefs.h>
#include <View.h>
namespace BPrivate {
class PortLink;
};
// window definitions ----------------------------------------------------------
enum window_type {
B_UNTYPED_WINDOW = 0,
B_TITLED_WINDOW = 1,
B_MODAL_WINDOW = 3,
B_DOCUMENT_WINDOW = 11,
B_BORDERED_WINDOW = 20,
B_FLOATING_WINDOW = 21
};
//----------------------------------------------------------------
enum window_look {
B_BORDERED_WINDOW_LOOK = 20,
B_NO_BORDER_WINDOW_LOOK = 19,
B_TITLED_WINDOW_LOOK = 1,
B_DOCUMENT_WINDOW_LOOK = 11,
B_MODAL_WINDOW_LOOK = 3,
B_FLOATING_WINDOW_LOOK = 7
};
//----------------------------------------------------------------
enum window_feel {
B_NORMAL_WINDOW_FEEL = 0,
B_MODAL_SUBSET_WINDOW_FEEL = 2,
B_MODAL_APP_WINDOW_FEEL = 1,
B_MODAL_ALL_WINDOW_FEEL = 3,
B_FLOATING_SUBSET_WINDOW_FEEL = 5,
B_FLOATING_APP_WINDOW_FEEL = 4,
B_FLOATING_ALL_WINDOW_FEEL = 6
};
//----------------------------------------------------------------
enum window_alignment {
B_BYTE_ALIGNMENT = 0,
B_PIXEL_ALIGNMENT = 1
};
//----------------------------------------------------------------
enum {
B_NOT_MOVABLE = 0x00000001,
B_NOT_CLOSABLE = 0x00000020,
B_NOT_ZOOMABLE = 0x00000040,
B_NOT_MINIMIZABLE = 0x00004000,
B_NOT_RESIZABLE = 0x00000002,
B_NOT_H_RESIZABLE = 0x00000004,
B_NOT_V_RESIZABLE = 0x00000008,
B_AVOID_FRONT = 0x00000080,
B_AVOID_FOCUS = 0x00002000,
B_WILL_ACCEPT_FIRST_CLICK = 0x00000010,
B_OUTLINE_RESIZE = 0x00001000,
B_NO_WORKSPACE_ACTIVATION = 0x00000100,
B_NOT_ANCHORED_ON_ACTIVATE = 0x00020000,
B_ASYNCHRONOUS_CONTROLS = 0x00080000,
B_QUIT_ON_WINDOW_CLOSE = 0x00100000
};
#define B_CURRENT_WORKSPACE 0
#define B_ALL_WORKSPACES 0xffffffff
//----------------------------------------------------------------
class BButton;
class BMenuBar;
class BMenuItem;
class BMessage;
class BMessageRunner;
class BMessenger;
class BView;
struct message;
struct _cmd_key_;
class ViewAttr;
// BWindow class ---------------------------------------------------------------
class BWindow : public BLooper {
public:
BWindow(BRect frame, const char* title,
window_type type, uint32 flags,
uint32 workspace = B_CURRENT_WORKSPACE);
BWindow(BRect frame, const char* title,
window_look look, window_feel feel,
uint32 flags,
uint32 workspace = B_CURRENT_WORKSPACE);
virtual ~BWindow();
BWindow(BMessage* data);
static BArchivable *Instantiate(BMessage* data);
virtual status_t Archive(BMessage* data, bool deep = true) const;
virtual void Quit();
void Close() { Quit(); }
void AddChild(BView* child, BView* before = NULL);
bool RemoveChild(BView* child);
int32 CountChildren() const;
BView *ChildAt(int32 index) const;
virtual void DispatchMessage(BMessage* message, BHandler* handler);
virtual void MessageReceived(BMessage* message);
virtual void FrameMoved(BPoint new_position);
virtual void WorkspacesChanged(uint32 old_ws, uint32 new_ws);
virtual void WorkspaceActivated(int32 ws, bool state);
virtual void FrameResized(float new_width, float new_height);
virtual void Minimize(bool minimize);
virtual void Zoom(BPoint origin, float width, float height);
void Zoom();
void SetZoomLimits(float maxWidth, float maxHeight);
virtual void ScreenChanged(BRect screen_size, color_space depth);
void SetPulseRate(bigtime_t rate);
bigtime_t PulseRate() const;
void AddShortcut(uint32 key, uint32 modifiers,
BMessage *msg);
void AddShortcut(uint32 key, uint32 modifiers,
BMessage *msg, BHandler *target);
void RemoveShortcut(uint32 key, uint32 modifiers);
void SetDefaultButton(BButton* button);
BButton *DefaultButton() const;
virtual void MenusBeginning();
virtual void MenusEnded();
bool NeedsUpdate() const;
void UpdateIfNeeded();
BView *FindView(const char *viewName) const;
BView *FindView(BPoint) const;
BView *CurrentFocus() const;
void Activate(bool = true);
virtual void WindowActivated(bool state);
void ConvertToScreen(BPoint* pt) const;
BPoint ConvertToScreen(BPoint pt) const;
void ConvertFromScreen(BPoint* pt) const;
BPoint ConvertFromScreen(BPoint pt) const;
void ConvertToScreen(BRect* rect) const;
BRect ConvertToScreen(BRect rect) const;
void ConvertFromScreen(BRect* rect) const;
BRect ConvertFromScreen(BRect rect) const;
void MoveBy(float dx, float dy);
void MoveTo(BPoint);
void MoveTo(float x, float y);
void ResizeBy(float dx, float dy);
void ResizeTo(float width, float height);
virtual void Show();
virtual void Hide();
bool IsHidden() const;
bool IsMinimized() const;
void Flush() const;
void Sync() const;
status_t SendBehind(const BWindow* window);
void DisableUpdates();
void EnableUpdates();
void BeginViewTransaction(); // referred as OpenViewTransaction() in BeBook
void EndViewTransaction(); // referred as CommitViewTransaction() in BeBook
BRect Bounds() const;
BRect Frame() const;
const char *Title() const;
void SetTitle(const char* title);
bool IsFront() const;
bool IsActive() const;
void SetKeyMenuBar(BMenuBar* bar);
BMenuBar *KeyMenuBar() const;
void SetSizeLimits(float minWidth, float maxWidth,
float minHeight, float maxHeight);
void GetSizeLimits(float *minWidth, float *maxWidth,
float *minHeight, float *maxHeight);
uint32 Workspaces() const;
void SetWorkspaces(uint32);
BView *LastMouseMovedView() const;
virtual BHandler *ResolveSpecifier(BMessage* msg, int32 index,
BMessage* specifier, int32 form, const char* property);
virtual status_t GetSupportedSuites(BMessage* data);
status_t AddToSubset(BWindow* window);
status_t RemoveFromSubset(BWindow* window);
virtual status_t Perform(perform_code d, void* arg);
status_t SetType(window_type type);
window_type Type() const;
status_t SetLook(window_look look);
window_look Look() const;
status_t SetFeel(window_feel feel);
window_feel Feel() const;
status_t SetFlags(uint32);
uint32 Flags() const;
bool IsModal() const;
bool IsFloating() const;
status_t SetWindowAlignment(window_alignment mode, int32 h,
int32 hOffset = 0, int32 width = 0, int32 widthOffset = 0,
int32 v = 0, int32 vOffset = 0, int32 height = 0,
int32 heightOffset = 0);
status_t GetWindowAlignment(window_alignment* mode = NULL,
int32* h = NULL, int32* hOffset = NULL,
int32* width = NULL, int32* widthOffset = NULL,
int32* v = NULL, int32* vOffset = NULL,
int32* height = NULL, int32* heightOffset = NULL) const;
virtual bool QuitRequested();
virtual thread_id Run();
// Private or reserved ---------------------------------------------------------
private:
typedef BLooper inherited;
friend class BApplication;
friend class BBitmap;
friend class BScrollBar;
friend class BView;
friend class BMenuItem;
friend class BWindowScreen;
friend class BDirectWindow;
friend class BFilePanel;
friend class BHandler;
friend class _BEventMask;
friend void _set_menu_sem_(BWindow* w, sem_id sem);
friend status_t _safe_get_server_token_(const BLooper* , int32* );
virtual void _ReservedWindow1();
virtual void _ReservedWindow2();
virtual void _ReservedWindow3();
virtual void _ReservedWindow4();
virtual void _ReservedWindow5();
virtual void _ReservedWindow6();
virtual void _ReservedWindow7();
virtual void _ReservedWindow8();
BWindow();
BWindow(BWindow&);
BWindow &operator=(BWindow&);
BWindow(BRect frame, int32 bitmapToken);
void InitData(BRect frame, const char* title,
window_look look, window_feel feel,
uint32 flags, uint32 workspace,
int32 bitmapToken = -1);
status_t ArchiveChildren(BMessage* data, bool deep) const;
status_t UnarchiveChildren(BMessage* data);
void BitmapClose(); // to be implemented
virtual void task_looper(); // thread function - it's here where app_server messages are received
/* void start_drag( BMessage* msg,
int32 token,
BPoint offset,
BRect track_rect,
BHandler* reply_to);
void start_drag( BMessage* msg,
int32 token,
BPoint offset,
int32 bitmap_token,
drawing_mode dragMode,
BHandler* reply_to);
*/
void prepareView(BView* aView); // changed from view_builder(BView* a_view);
void attachView(BView* aView); // changed from attach_builder(BView* a_view);
void detachView(BView* aView); // changed from detach_builder(BView* a_view);
//int32 get_server_token() const;
BMessage *extract_drop(BMessage* an_event, BHandler* *target);
//void movesize(uint32 opcode, float h, float v);
//int32 MessagesWaiting();
void handle_activate(BMessage* an_event);
//void do_view_frame(BMessage* an_event);
//void do_value_change(BMessage* an_event, BHandler* handler);
//void do_mouse_down(BMessage* an_event, BView* target);
//void do_mouse_moved(BMessage* an_event, BView* target);
//void do_key_down(BMessage* an_event, BHandler* handler);
//void do_key_up(BMessage* an_event, BHandler* handler);
void do_menu_event(BMessage* an_event);
//void do_draw_views();
virtual BMessage *ConvertToMessage(void* raw, int32 code);
//_cmd_key_ *allocShortcut(uint32 key, uint32 modifiers);
//_cmd_key_ *FindShortcut(uint32 key, uint32 modifiers);
void AddShortcut(uint32 key, // !!! - and menu shortcuts to list when a menu is added
uint32 modifiers,
BMenuItem* item);
//void post_message(BMessage* message);
//void SetLocalTitle(const char* new_title);
//void enable_pulsing(bool enable);
BHandler *determine_target(BMessage* msg, BHandler* target, bool pref);
//void kb_navigate();
//void navigate_to_next(int32 direction, bool group = false);
//void set_focus(BView* focus, bool notify_input_server); // what does notify_input_server mean??? why???
bool InUpdate();
void DequeueAll();
//bool find_token_and_handler(BMessage* msg, int32* token, BHandler* *handler);
window_type composeType(window_look look, // changed from: compose_type(...)
window_feel feel) const;
void decomposeType(window_type type, // changed from: decompose_type(...)
window_look* look,
window_feel* feel) const;
void SetIsFilePanel(bool yes);
bool IsFilePanel() const;
void BuildTopView();
void setFocus(BView *focusView, bool notifyIputServer = false);
int32 findShortcut(uint32 key, uint32 modifiers);
bool findHandler(BView* start, BHandler* handler);
BView* findView(BView* aView, const char* viewName) const;
BView* findView(BView* aView, BPoint point) const;
BView* findView(BView* aView, int32 token);
BView* findLastChild(BView *parent);
BView* _FindNextNavigable(BView *focus, uint32 flags);
BView* _FindPreviousNavigable(BView *focus, uint32 flags);
bool _HandleKeyDown(char key, uint32 modifiers);
void _KeyboardNavigation();
void handleActivation(bool active);
void drawAllViews(BView* view);
void DoUpdate(BView* view, BRect& area);
// Debug
void PrintToStream() const;
// 3 deprecated calls
//void AddFloater(BWindow* a_floating_window);
//void RemoveFloater(BWindow* a_floating_window);
//window_type WindowType() const;
private:
char *fTitle;
int32 server_token; // not yet used
bool fInTransaction;
bool fActive;
short fShowLevel;
uint32 fFlags;
uint32 _unused0[2];
BView *top_view;
BView *fFocus;
BView *fLastMouseMovedView;
uint32 _unused1;
BMenuBar *fKeyMenuBar;
BButton *fDefaultButton;
BList accelList;
int32 fTopViewToken;
bool fPulseEnabled;
bool fViewsNeedPulse; // not yet used
bool fIsFilePanel;
bool fMaskActivated;
bigtime_t fPulseRate;
bool fWaitingForMenu;
bool fMinimized;
sem_id fMenuSem;
float fMaxZoomHeight;
float fMaxZoomWidth;
float fMinHeight;
float fMinWidth;
float fMaxHeight;
float fMaxWidth;
BRect fFrame;
window_look fLook;
ViewAttr *fCurDrawViewState; // not yet used
window_feel fFeel;
int32 fLastViewToken;
BPrivate::PortLink *fLink;
BMessageRunner *fPulseRunner;
BRect fCurrentFrame; // not yet used
uint32 _reserved[2]; // was 8
#if !_PR3_COMPATIBLE_
uint32 _more_reserved[4];
#endif
};
#endif // _WINDOW_H
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