X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/add7cadd99d1b40dc012db655643f9c8c7080029..f77c0fe312a1dedde4a86c9b967d095802c10384:/include/wx/gtk/window.h diff --git a/include/wx/gtk/window.h b/include/wx/gtk/window.h index abb5e3f310..c28f5532c9 100644 --- a/include/wx/gtk/window.h +++ b/include/wx/gtk/window.h @@ -7,19 +7,16 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __GTKWINDOWH__ -#define __GTKWINDOWH__ +#ifndef _WX_GTK_WINDOW_H_ +#define _WX_GTK_WINDOW_H_ + +#include "wx/dynarray.h" // helper structure that holds class that holds GtkIMContext object and // some additional data needed for key events processing struct wxGtkIMData; -//----------------------------------------------------------------------------- -// callback definition for inserting a window (internal) -//----------------------------------------------------------------------------- - -class WXDLLIMPEXP_CORE wxWindowGTK; -typedef void (*wxInsertChildFunction)( wxWindowGTK*, wxWindowGTK* ); +WX_DEFINE_EXPORTED_ARRAY_PTR(GdkWindow *, wxArrayGdkWindows); //----------------------------------------------------------------------------- // wxWindowGTK @@ -57,14 +54,13 @@ public: virtual void Lower(); 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 void SetCanFocus(bool canFocus); virtual bool Reparent( wxWindowBase *newParent ); @@ -109,14 +105,26 @@ public: virtual void AddChild( wxWindowBase *child ); virtual void RemoveChild( wxWindowBase *child ); + virtual void SetLayoutDirection(wxLayoutDirection dir); + virtual wxLayoutDirection GetLayoutDirection() const; + virtual wxCoord AdjustForLayoutDirection(wxCoord x, + wxCoord width, + wxCoord widthTotal) const; + + virtual bool DoIsExposed( int x, int y ) const; + virtual bool DoIsExposed( int x, int y, int w, int h ) const; + + // currently wxGTK2-only + void SetDoubleBuffered(bool on); + virtual bool IsDoubleBuffered() const; + // implementation // -------------- virtual WXWidget GetHandle() const { return m_widget; } - // 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(); // Internal represention of Update() @@ -125,11 +133,6 @@ public: // For compatibility across platforms (not in event table) void OnIdle(wxIdleEvent& WXUNUSED(event)) {} - // 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) ) {} - // Used by all window classes in the widget creation process. bool PreCreation( wxWindowGTK *parent, const wxPoint &pos, const wxSize &size ); void PostCreation(); @@ -153,29 +156,70 @@ public: // 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 ); + // 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; + + // Map GTK widget direction of the given widget to/from wxLayoutDirection + static wxLayoutDirection GTKGetLayout(GtkWidget *widget); + static void GTKSetLayout(GtkWidget *widget, wxLayoutDirection dir); + + // return true if this window must have a non-NULL parent, false if it can + // be created without parent (normally only top level windows but in wxGTK + // there is also the exception of wxMenuBar) + virtual bool GTKNeedsParent() const { return !IsTopLevel(); } + protected: // Override GTKWidgetNeedsMnemonic and return true if your - // needs to set its mnemonic widget, such as for a + // 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(); + public: // Returns the default context which usually is anti-aliased PangoContext *GtkGetPangoDefaultContext(); #if wxUSE_TOOLTIPS - virtual void ApplyToolTip( GtkTooltips *tips, const wxChar *tip ); + // applies tooltip to the widget (tip must be UTF-8 encoded) + virtual void ApplyToolTip( GtkTooltips *tips, const gchar *tip ); #endif // wxUSE_TOOLTIPS - // 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 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), @@ -191,6 +235,9 @@ public: // 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; @@ -200,28 +247,51 @@ public: GtkWidget *m_widget; // mostly the widget seen by the rest of GTK GtkWidget *m_wxwindow; // mostly the client area as per wxWidgets + // return true if the window is of a standard (i.e. not wxWidgets') class + bool IsOfStandardClass() const { return m_wxwindow == NULL; } + // this widget will be queried for GTK's focus events GtkWidget *m_focusWidget; wxGtkIMData *m_imData; + + // indices for the arrays below + enum ScrollDir { ScrollDir_Horz, ScrollDir_Vert, ScrollDir_Max }; + // horizontal/vertical scroll bar - GtkRange* m_scrollBar[2]; + GtkRange* m_scrollBar[ScrollDir_Max]; + // horizontal/vertical scroll position - double m_scrollPos[2]; + double m_scrollPos[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; + // extra (wxGTK-specific) flags - 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_hasVMT:1; - bool m_sizeSet:1; bool m_resizing:1; - 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() + wxRegion m_nativeUpdateRegion; // not transformed for RTL bool m_dirtyTabOrder:1; // tab order changed, GTK focus // chain needs update bool m_needsStyleChange:1; // May not be able to change @@ -229,12 +299,15 @@ public: bool m_mouseButtonDown:1; bool m_blockScrollEvent:1; + bool m_showOnIdle:1; // postpone showing the window until idle + +protected: // 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; + typedef void (*InsertChildFunction)(wxWindowGTK*, wxWindowGTK*); + InsertChildFunction 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; @@ -246,6 +319,7 @@ protected: int sizeFlags = wxSIZE_AUTO); virtual void DoSetClientSize(int width, int height); virtual void DoMoveWindow(int x, int y, int width, int height); + virtual void DoEnable(bool enable); #if wxUSE_MENUS_NATIVE virtual bool DoPopupMenu( wxMenu *menu, int x, int y ); @@ -262,6 +336,8 @@ protected: void Init(); virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move); + virtual bool DoNavigateIn(int flags); + // Copies m_children tab order to GTK focus chain: void RealizeTabOrder(); @@ -283,14 +359,29 @@ protected: // sets the border of a given GtkScrolledWindow from a wx style static void GtkScrolledWindowSetBorder(GtkWidget* w, int style); - void BlockScrollEvent(); - void UnblockScrollEvent(); + // 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(); + + void ConstrainSize(); private: + 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) }; extern WXDLLIMPEXP_CORE wxWindow *wxFindFocusedChild(wxWindowGTK *win); -#endif // __GTKWINDOWH__ +#endif // _WX_GTK_WINDOW_H_