X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c5b42c871b189a0199ff138ee094c00746bfc46a..ca8d899fcb677bad4ed7df5c65887b725a092482:/include/wx/gtk/window.h diff --git a/include/wx/gtk/window.h b/include/wx/gtk/window.h index 4c6fc6fa8f..5a11d736ac 100644 --- a/include/wx/gtk/window.h +++ b/include/wx/gtk/window.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: window.h +// Name: wx/gtk/window.h // Purpose: // Author: Robert Roebling // Id: $Id$ @@ -7,76 +7,85 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +#ifndef _WX_GTK_WINDOW_H_ +#define _WX_GTK_WINDOW_H_ -#ifndef __GTKWINDOWH__ -#define __GTKWINDOWH__ +#include "wx/dynarray.h" -#ifdef __GNUG__ - #pragma interface -#endif +// helper structure that holds class that holds GtkIMContext object and +// some additional data needed for key events processing +struct wxGtkIMData; + +WX_DEFINE_EXPORTED_ARRAY_PTR(GdkWindow *, wxArrayGdkWindows); //----------------------------------------------------------------------------- // callback definition for inserting a window (internal) //----------------------------------------------------------------------------- -typedef void (*wxInsertChildFunction)( wxWindow*, wxWindow* ); +class WXDLLIMPEXP_CORE wxWindowGTK; +typedef void (*wxInsertChildFunction)( wxWindowGTK*, wxWindowGTK* ); //----------------------------------------------------------------------------- -// wxWindow +// wxWindowGTK //----------------------------------------------------------------------------- -class wxWindow : public wxWindowBase +class WXDLLIMPEXP_CORE wxWindowGTK : public wxWindowBase { - DECLARE_DYNAMIC_CLASS(wxWindow) - public: // creating the window // ------------------- - wxWindow(); - wxWindow(wxWindow *parent, - wxWindowID id, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, - long style = 0, - const wxString& name = wxPanelNameStr); + wxWindowGTK(); + wxWindowGTK(wxWindow *parent, + wxWindowID id, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = 0, + const wxString& name = wxPanelNameStr); bool Create(wxWindow *parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = wxPanelNameStr); - virtual ~wxWindow(); + virtual ~wxWindowGTK(); // implement base class (pure) virtual methods // ------------------------------------------- + + virtual void SetLabel(const wxString& WXUNUSED(label)) { } + virtual wxString GetLabel() const { return wxEmptyString; } + virtual bool Destroy(); virtual void Raise(); virtual void Lower(); - virtual bool Show( bool show = TRUE ); - virtual bool Enable( bool enable = TRUE ); + virtual bool Show( bool show = true ); + virtual bool Enable( bool enable = true ); + + virtual void SetWindowStyleFlag( long style ); virtual bool IsRetained() const; virtual void SetFocus(); virtual bool AcceptsFocus() const; - virtual bool Reparent( wxWindow *newParent ); + virtual bool Reparent( wxWindowBase *newParent ); virtual void WarpPointer(int x, int y); - virtual void CaptureMouse(); - virtual void ReleaseMouse(); - virtual void Refresh( bool eraseBackground = TRUE, + virtual void Refresh( bool eraseBackground = true, const wxRect *rect = (const wxRect *) NULL ); - virtual void Clear(); + virtual void Update(); + virtual void ClearBackground(); virtual bool SetBackgroundColour( const wxColour &colour ); virtual bool SetForegroundColour( const wxColour &colour ); virtual bool SetCursor( const wxCursor &cursor ); virtual bool SetFont( const wxFont &font ); + virtual bool SetBackgroundStyle(wxBackgroundStyle style) ; + virtual int GetCharHeight() const; virtual int GetCharWidth() const; virtual void GetTextExtent(const wxString& string, @@ -86,135 +95,223 @@ public: const wxFont *theFont = (const wxFont *) NULL) const; - virtual void ClientToScreen( int *x, int *y ) const; - virtual void ScreenToClient( int *x, int *y ) const; - wxPoint ClientToScreen(const wxPoint& pt) const - { int x = pt.x; int y = pt.y; ClientToScreen(& x, & y); return wxPoint(x, y); } - wxPoint ScreenToClient(const wxPoint& pt) const - { int x = pt.x; int y = pt.y; ScreenToClient(& x, & y); return wxPoint(x, y); } - - virtual bool PopupMenu( wxMenu *menu, int x, int y ); - virtual void SetScrollbar( int orient, int pos, int thumbVisible, - int range, bool refresh = TRUE ); - virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ); + int range, bool refresh = true ); + virtual void SetScrollPos( int orient, int pos, bool refresh = true ); virtual int GetScrollPos( int orient ) const; virtual int GetScrollThumb( int orient ) const; virtual int GetScrollRange( int orient ) const; virtual void ScrollWindow( int dx, int dy, const wxRect* rect = (wxRect *) NULL ); + virtual bool ScrollLines(int lines); + virtual bool ScrollPages(int pages); #if wxUSE_DRAG_AND_DROP virtual void SetDropTarget( wxDropTarget *dropTarget ); #endif // wxUSE_DRAG_AND_DROP + virtual void AddChild( wxWindowBase *child ); + virtual void RemoveChild( wxWindowBase *child ); + + // currently wxGTK2-only + void SetDoubleBuffered(bool on); + // implementation // -------------- virtual WXWidget GetHandle() const { return m_widget; } - // also sets the global flag - void SetScrolling(bool scroll); - - bool HasScrolling() const { return m_hasScrolling; } - bool IsScrolling() const { return m_isScrolling; } - - /* I don't want users to override what's done in idle so everything that - has to be done in idle time in order for wxGTK to work is done in - OnInternalIdle */ + // many important things are done here, this function must be called + // regularly virtual void OnInternalIdle(); - /* For compatibility across platforms (not in event table) */ - void OnIdle(wxIdleEvent& WXUNUSED(event)) {}; + // Internal represention of Update() + void GtkUpdate(); - /* used by all classes in the widget creation process */ - void PreCreation( wxWindow *parent, wxWindowID id, const wxPoint &pos, - const wxSize &size, long style, const wxString &name ); - void PostCreation(); + // For compatibility across platforms (not in event table) + void OnIdle(wxIdleEvent& WXUNUSED(event)) {} - void InsertChild(wxWindow *child) { (*m_insertCallback)(this, child); } - void DoAddChild(wxWindow *child) { AddChild(child); InsertChild(child); } + // wxGTK-specific: called recursively by Enable, + // to give widgets an opportunity to correct their colours after they + // have been changed by Enable + virtual void OnParentEnable( bool WXUNUSED(enable) ) {} - /* the methods below are required because many native widgets - are composed of several subwidgets and setting a style for - the widget means setting it for all subwidgets as well. - also, it is nor clear, which native widget is the top - widget where (most of) the input goes. even tooltips have - to be applied to all subwidgets. */ + // Used by all window classes in the widget creation process. + bool PreCreation( wxWindowGTK *parent, const wxPoint &pos, const wxSize &size ); + void PostCreation(); + // Internal addition of child windows. differs from class + // to class not by using virtual functions but by using + // the m_insertCallback. + void DoAddChild(wxWindowGTK *child); + + // This methods sends wxPaintEvents to the window. It reads the + // update region, breaks it up into rects and sends an event + // for each rect. It is also responsible for background erase + // events and NC paint events. It is called from "draw" and + // "expose" handlers as well as from ::Update() + void GtkSendPaintEvents(); + + // The methods below are required because many native widgets + // are composed of several subwidgets and setting a style for + // the widget means setting it for all subwidgets as well. + // also, it is not clear which native widget is the top + // widget where (most of) the input goes. even tooltips have + // to be applied to all subwidgets. virtual GtkWidget* GetConnectWidget(); - virtual bool IsOwnGtkWindow( GdkWindow *window ); void ConnectWidget( GtkWidget *widget ); - // creates a new widget style if none is there - // and sets m_widgetStyle to this value. - GtkStyle *GetWidgetStyle(); - - // called by SetFont() and SetXXXColour etc - void SetWidgetStyle(); + // Called from several event handlers, if it returns true or false, the + // same value should be immediately returned by the handler without doing + // anything else. If it returns -1, the handler should continue as usual + int GTKCallbackCommonPrologue(struct _GdkEventAny *event) const; + + // override this if some events should never be consumed by wxWidgets but + // but have to be left for the native control + // + // base version just does GetEventHandler()->ProcessEvent() + virtual bool GTKProcessEvent(wxEvent& event) const; + +protected: + // Override GTKWidgetNeedsMnemonic and return true if your + // needs to set its mnemonic widget, such as for a + // GtkLabel for wxStaticText, then do the actual + // setting of the widget inside GTKWidgetDoSetMnemonic + virtual bool GTKWidgetNeedsMnemonic() const; + virtual void GTKWidgetDoSetMnemonic(GtkWidget* w); + + // Get the GdkWindows making part of this window: usually there will be + // only one of them in which case it should be returned directly by this + // function. If there is more than one GdkWindow (can be the case for + // composite widgets), return NULL and fill in the provided array + // + // This is not pure virtual for backwards compatibility but almost + // certainly must be overridden in any wxControl-derived class! + virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const; + + // Check if the given window makes part of this widget + bool GTKIsOwnWindow(GdkWindow *window) const; + + // Set the focus to this window if its setting was delayed because the + // widget hadn't been realized when SetFocus() was called + // + // Return true if focus was set to us, false if nothing was done + bool GTKSetDelayedFocusIfNeeded(); - // overridden in many GTK widgets - virtual void ApplyWidgetStyle(); +public: + // Returns the default context which usually is anti-aliased + PangoContext *GtkGetPangoDefaultContext(); #if wxUSE_TOOLTIPS virtual void ApplyToolTip( GtkTooltips *tips, const wxChar *tip ); #endif // wxUSE_TOOLTIPS - // called from GTK signales handlers. it indicates that + // Called from GTK signal handlers. it indicates that // the layouting functions have to be called later on // (i.e. in idle time, implemented in OnInternalIdle() ). - void UpdateSize() { m_sizeSet = FALSE; } + void GtkUpdateSize() { m_sizeSet = false; } + + + // Called when a window should delay showing itself + // until idle time. This partly mimmicks defered + // sizing under MSW. + void GtkShowOnIdle() { m_showOnIdle = true; } + + // This is called from the various OnInternalIdle methods + bool GtkShowFromOnIdle(); + + // fix up the mouse event coords, used by wxListBox only so far + virtual void FixUpMouseEvent(GtkWidget * WXUNUSED(widget), + wxCoord& WXUNUSED(x), + wxCoord& WXUNUSED(y)) { } + + // is this window transparent for the mouse events (as wxStaticBox is)? + virtual bool IsTransparentForMouse() const { return false; } + + // is this a radiobutton (used by radiobutton code itself only)? + virtual bool IsRadioButton() const { return false; } + + // Common scroll event handling code for wxWindow and wxScrollBar + wxEventType GetScrollEventType(GtkRange* range); + + void BlockScrollEvent(); + void UnblockScrollEvent(); // position and size of the window int m_x, m_y; int m_width, m_height; + int m_oldClientWidth,m_oldClientHeight; // see the docs in src/gtk/window.cpp - GtkWidget *m_widget; - GtkWidget *m_wxwindow; + GtkWidget *m_widget; // mostly the widget seen by the rest of GTK + GtkWidget *m_wxwindow; // mostly the client area as per wxWidgets + + // this widget will be queried for GTK's focus events + GtkWidget *m_focusWidget; - // scrolling stuff - GtkAdjustment *m_hAdjust,*m_vAdjust; - float m_oldHorizontalPos; - float m_oldVerticalPos; + wxGtkIMData *m_imData; + + + // indices for the arrays below + enum ScrollDir { ScrollDir_Horz, ScrollDir_Vert, ScrollDir_Max }; + + // horizontal/vertical scroll bar + GtkRange* m_scrollBar[ScrollDir_Max]; + + // horizontal/vertical scroll position + double m_scrollPos[ScrollDir_Max]; + + // if true, don't notify about adjustment change (without resetting the + // flag, so this has to be done manually) + bool m_blockValueChanged[ScrollDir_Max]; + + // return the scroll direction index corresponding to the given orientation + // (which is wxVERTICAL or wxHORIZONTAL) + static ScrollDir ScrollDirFromOrient(int orient) + { + return orient == wxVERTICAL ? ScrollDir_Vert : ScrollDir_Horz; + } + + // return the orientation for the given scrolling direction + static int OrientFromScrollDir(ScrollDir dir) + { + return dir == ScrollDir_Horz ? wxHORIZONTAL : wxVERTICAL; + } + + // find the direction of the given scrollbar (must be one of ours) + ScrollDir ScrollDirFromRange(GtkRange *range) const; - // we need an extra XGC flag set to get exposed - // events from overlapping children upon moving - // them. this flag will be set in this GC and - // the GC will be used in wxWindow::ScrollWindow(). - GdkGC *m_scrollGC; // extra (wxGTK-specific) flags - bool m_needParent:1; /* ! wxFrame, wxDialog, wxNotebookPage ? */ + bool m_needParent:1; // ! wxFrame, wxDialog, wxNotebookPage ? + bool m_noExpose:1; // wxGLCanvas has its own redrawing + bool m_nativeSizeEvent:1; // wxGLCanvas sends wxSizeEvent upon "alloc_size" bool m_hasScrolling:1; - bool m_isScrolling:1; bool m_hasVMT:1; bool m_sizeSet:1; bool m_resizing:1; - bool m_isStaticBox:1; /* faster than IS_KIND_OF */ - bool m_isFrame:1; /* faster than IS_KIND_OF */ - bool m_acceptsFocus:1; /* ! wxStaticBox etc. */ - - // these are true if the style were set before the widget was realized - // (typcally in the constructor) but the actual GTK style must not be set - // before the widget has been "realized" - bool m_delayedFont:1; - bool m_delayedForegroundColour:1; - bool m_delayedBackgroundColour:1; - bool m_delayedCursor:1; - - // contains GTK's widgets internal information about non-default widget - // font and colours. we create one for each widget that gets any - // non-default attribute set via SetFont() or SetForegroundColour() / - // SetBackgroundColour(). - GtkStyle *m_widgetStyle; + bool m_acceptsFocus:1; // true if not static + bool m_hasFocus:1; // true if == FindFocus() + bool m_isScrolling:1; // dragging scrollbar thumb? + bool m_clipPaintRegion:1; // true after ScrollWindow() + bool m_dirtyTabOrder:1; // tab order changed, GTK focus + // chain needs update + bool m_needsStyleChange:1; // May not be able to change + // background style until OnIdle + bool m_mouseButtonDown:1; + bool m_blockScrollEvent:1; + + bool m_showOnIdle:1; // postpone showing the window until idle // C++ has no virtual methods in the constrcutor of any class but we need // different methods of inserting a child window into a wxFrame, // wxMDIFrame, wxNotebook etc. this is the callback that will get used. wxInsertChildFunction m_insertCallback; +protected: // implement the base class pure virtuals + virtual void DoClientToScreen( int *x, int *y ) const; + virtual void DoScreenToClient( int *x, int *y ) const; virtual void DoGetPosition( int *x, int *y ) const; virtual void DoGetSize( int *width, int *height ) const; virtual void DoGetClientSize( int *width, int *height ) const; @@ -222,16 +319,65 @@ public: int width, int height, int sizeFlags = wxSIZE_AUTO); virtual void DoSetClientSize(int width, int height); + virtual void DoMoveWindow(int x, int y, int width, int height); + +#if wxUSE_MENUS_NATIVE + virtual bool DoPopupMenu( wxMenu *menu, int x, int y ); +#endif // wxUSE_MENUS_NATIVE + + virtual void DoCaptureMouse(); + virtual void DoReleaseMouse(); #if wxUSE_TOOLTIPS virtual void DoSetToolTip( wxToolTip *tip ); #endif // wxUSE_TOOLTIPS - // common part of all ctors (can't be virtual because called from ctor) + // common part of all ctors (not virtual because called from ctor) void Init(); + virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move); + + // Copies m_children tab order to GTK focus chain: + void RealizeTabOrder(); + + // Called by ApplyWidgetStyle (which is called by SetFont() and + // SetXXXColour etc to apply style changed to native widgets) to create + // modified GTK style with non-standard attributes. If forceStyle=true, + // creates empty GtkRcStyle if there are no modifications, otherwise + // returns NULL in such case. + GtkRcStyle *CreateWidgetStyle(bool forceStyle = false); + + // Overridden in many GTK widgets who have to handle subwidgets + virtual void ApplyWidgetStyle(bool forceStyle = false); + + // helper function to ease native widgets wrapping, called by + // ApplyWidgetStyle -- override this, not ApplyWidgetStyle + virtual void DoApplyWidgetStyle(GtkRcStyle *style); + + // sets the border of a given GtkScrolledWindow from a wx style + static void GtkScrolledWindowSetBorder(GtkWidget* w, int style); + + // set the current cursor for all GdkWindows making part of this widget + // (see GTKGetWindow) + // + // should be called from OnInternalIdle() if it's overridden + void GTKUpdateCursor(); + private: - DECLARE_NO_COPY_CLASS(wxWindow); + enum ScrollUnit { ScrollUnit_Line, ScrollUnit_Page, ScrollUnit_Max }; + + // common part of ScrollLines() and ScrollPages() and could be used, in the + // future, for horizontal scrolling as well + // + // return true if we scrolled, false otherwise (on error or simply if we + // are already at the end) + bool DoScrollByUnits(ScrollDir dir, ScrollUnit unit, int units); + + + DECLARE_DYNAMIC_CLASS(wxWindowGTK) + DECLARE_NO_COPY_CLASS(wxWindowGTK) }; -#endif // __GTKWINDOWH__ +extern WXDLLIMPEXP_CORE wxWindow *wxFindFocusedChild(wxWindowGTK *win); + +#endif // _WX_GTK_WINDOW_H_