X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6493aacaeb7b22b9fa35c559f7753e9fec0da71f..6df6e35a3eae74404f15f8f7c09ce19c29f47b4a:/include/wx/gtk/window.h diff --git a/include/wx/gtk/window.h b/include/wx/gtk/window.h index 689a81c255..9761331c2c 100644 --- a/include/wx/gtk/window.h +++ b/include/wx/gtk/window.h @@ -7,13 +7,17 @@ // 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; +WX_DEFINE_EXPORTED_ARRAY_PTR(GdkWindow *, wxArrayGdkWindows); + //----------------------------------------------------------------------------- // callback definition for inserting a window (internal) //----------------------------------------------------------------------------- @@ -109,14 +113,26 @@ 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() @@ -153,9 +169,24 @@ 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); + +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 @@ -163,6 +194,25 @@ public: 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(); @@ -170,14 +220,19 @@ public: virtual void ApplyToolTip( GtkTooltips *tips, const wxChar *tip ); #endif // wxUSE_TOOLTIPS - // Call after modifing the value of m_hAdjust or m_vAdjust to bring the - // scrolbar in sync (this does not generate any wx events) - void GtkUpdateScrollbar(int orient); - // 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), @@ -190,6 +245,12 @@ public: // 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; @@ -204,10 +265,36 @@ public: wxGtkIMData *m_imData; - // scrolling stuff - GtkAdjustment *m_hAdjust,*m_vAdjust; - float m_oldHorizontalPos; - float m_oldVerticalPos; + + // 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; + // extra (wxGTK-specific) flags bool m_needParent:1; // ! wxFrame, wxDialog, wxNotebookPage ? @@ -221,10 +308,15 @@ public: 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 // 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, @@ -280,15 +372,27 @@ protected: // sets the border of a given GtkScrolledWindow from a wx style static void GtkScrolledWindowSetBorder(GtkWidget* w, int style); -protected: - // GtkAdjustment to be used by Scroll{Lines,Pages} - void SetVScrollAdjustment(GtkAdjustment* adj); + // 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: + 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_