X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/743b426605478eeb31232c30e804e70ff493b1f2..1f0acb435592470b421b80df854fbbb08cd2853f:/include/wx/msw/window.h diff --git a/include/wx/msw/window.h b/include/wx/msw/window.h index 4026e7ea06..95a9d72206 100644 --- a/include/wx/msw/window.h +++ b/include/wx/msw/window.h @@ -13,6 +13,8 @@ #ifndef _WX_WINDOW_H_ #define _WX_WINDOW_H_ +#include "wx/settings.h" // solely for wxSystemColour + // if this is set to 1, we use deferred window sizing to reduce flicker when // resizing complicated window hierarchies, but this can in theory result in // different behaviour than the old code so we keep the possibility to use it @@ -232,15 +234,6 @@ public: // created yet) void MSWUpdateStyle(long flagsOld, long exflagsOld); - // translate wxWidgets coords into Windows ones suitable to be passed to - // ::CreateWindow() - // - // returns true if non default coords are returned, false otherwise - bool MSWGetCreateWindowCoords(const wxPoint& pos, - const wxSize& size, - int& x, int& y, - int& w, int& h) const; - // get the HWND to be used as parent of this window with CreateWindow() virtual WXHWND MSWGetParent() const; @@ -354,7 +347,7 @@ public: bool HandleMouseMove(int x, int y, WXUINT flags); bool HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam); - bool HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII = false); + bool HandleChar(WXWPARAM wParam, WXLPARAM lParam); bool HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam); bool HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam); #if wxUSE_ACCEL @@ -373,7 +366,21 @@ public: bool HandlePower(WXWPARAM wParam, WXLPARAM lParam, bool *vetoed); - // Window procedure + // The main body of common window proc for all wxWindow objects. It tries + // to handle the given message and returns true if it was handled (the + // appropriate return value is then put in result, which must be non-NULL) + // or false if it wasn't. + // + // This function should be overridden in any new code instead of + // MSWWindowProc() even if currently most of the code overrides + // MSWWindowProc() as it had been written before this function was added. + virtual bool MSWHandleMessage(WXLRESULT *result, + WXUINT message, + WXWPARAM wParam, + WXLPARAM lParam); + + // Common Window procedure for all wxWindow objects: forwards to + // MSWHandleMessage() and MSWDefWindowProc() if the message wasn't handled. virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); // Calls an appropriate default window procedure @@ -395,21 +402,50 @@ public: virtual void MSWDestroyWindow(); + // Functions dealing with painting the window background. The derived + // classes should normally only need to reimplement MSWGetBgBrush() if they + // need to use a non-solid brush for erasing their background. This + // function is called by MSWGetBgBrushForChild() which only exists for the + // weird wxToolBar case and MSWGetBgBrushForChild() itself is used by + // MSWGetBgBrush() to actually find the right brush to use. + + // The brush returned from here must remain valid at least until the next + // event loop iteration. Returning 0, as is done by default, indicates + // there is no custom background brush. + virtual WXHBRUSH MSWGetCustomBgBrush() { return 0; } + // this function should return the brush to paint the children controls // background or 0 if this window doesn't impose any particular background // on its children // + // the hDC parameter is the DC background will be drawn on, it can be used + // to call SetBrushOrgEx() on it if the returned brush is a bitmap one + // + // child parameter is never NULL, it can be this window itself or one of + // its (grand)children + // // the base class version returns a solid brush if we have a non default // background colour or 0 otherwise - virtual WXHBRUSH MSWGetBgBrushForChild(WXHDC hDC, WXHWND hWnd); + virtual WXHBRUSH MSWGetBgBrushForChild(WXHDC hDC, wxWindowMSW *child); // return the background brush to use for painting the given window by - // quering the parent windows via their MSWGetBgBrushForChild() recursively - // - // hWndToPaint is normally NULL meaning this window itself, but it can also - // be a child of this window which is used by the static box and could be - // potentially useful for other transparent controls - WXHBRUSH MSWGetBgBrush(WXHDC hDC, WXHWND hWndToPaint = NULL); + // querying the parent windows via MSWGetBgBrushForChild() recursively + WXHBRUSH MSWGetBgBrush(WXHDC hDC); + + enum MSWThemeColour + { + ThemeColourText = 0, + ThemeColourBackground, + ThemeColourBorder + }; + + // returns a specific theme colour, or if that is not possible then + // wxSystemSettings::GetColour(fallback) + wxColour MSWGetThemeColour(const wchar_t *themeName, + int themePart, + int themeState, + MSWThemeColour themeColour, + wxSystemColour fallback) const; // gives the parent the possibility to draw its children background, e.g. // this is used by wxNotebook to do it using DrawThemeBackground() @@ -428,6 +464,32 @@ public: return true; } + // This should be overridden to return true for the controls which have + // themed background that should through their children. Currently only + // wxNotebook uses this. + virtual bool MSWHasInheritableBackground() const { return false; } + +#if !defined(__WXWINCE__) && !defined(__WXUNIVERSAL__) + #define wxHAS_MSW_BACKGROUND_ERASE_HOOK +#endif + +#ifdef wxHAS_MSW_BACKGROUND_ERASE_HOOK + // allows the child to hook into its parent WM_ERASEBKGND processing: call + // MSWSetEraseBgHook() with a non-NULL window to make parent call + // MSWEraseBgHook() on this window (don't forget to reset it to NULL + // afterwards) + // + // this hack is used by wxToolBar, see comments there + void MSWSetEraseBgHook(wxWindow *child); + + // return true if WM_ERASEBKGND is currently hooked + bool MSWHasEraseBgHook() const; + + // called when the window on which MSWSetEraseBgHook() had been called + // receives WM_ERASEBKGND + virtual bool MSWEraseBgHook(WXHDC WXUNUSED(hDC)) { return false; } +#endif // wxHAS_MSW_BACKGROUND_ERASE_HOOK + // common part of Show/HideWithEffect() bool MSWShowWithEffect(bool show, wxShowEffect effect, @@ -444,9 +506,9 @@ public: // check if a native double-buffering applies for this window virtual bool IsDoubleBuffered() const; - + void SetDoubleBuffered(bool on); - + // synthesize a wxEVT_LEAVE_WINDOW event and set m_mouseInWindow to false void GenerateMouseLeave(); @@ -535,9 +597,29 @@ protected: const wxString& ttip); #endif // wxUSE_TOOLTIPS - // the helper functions used by HandleChar/KeyXXX methods - wxKeyEvent CreateKeyEvent(wxEventType evType, int id, - WXLPARAM lParam = 0, WXWPARAM wParam = 0) const; + // This is used by CreateKeyEvent() and also for wxEVT_CHAR[_HOOK] event + // creation. Notice that this method doesn't initialize wxKeyEvent + // m_keyCode and m_uniChar fields. + void InitAnyKeyEvent(wxKeyEvent& event, + WXWPARAM wParam, + WXLPARAM lParam) const; + + // Helper functions used by HandleKeyXXX() methods and some derived + // classes, wParam and lParam have the same meaning as in WM_KEY{DOWN,UP}. + // + // NB: evType here must be wxEVT_KEY_{DOWN,UP} as wParam here contains the + // virtual key code, not character! + wxKeyEvent CreateKeyEvent(wxEventType evType, + WXWPARAM wParam, + WXLPARAM lParam = 0) const; + + // Another helper for creating wxKeyEvent for wxEVT_CHAR and related types. + // + // The wParam and lParam here must come from WM_CHAR event parameters, i.e. + // wParam must be a character and not a virtual code. + wxKeyEvent CreateCharEvent(wxEventType evType, + WXWPARAM wParam, + WXLPARAM lParam) const; // default OnEraseBackground() implementation, return true if we did erase @@ -552,6 +634,15 @@ protected: // for state as the system will decide for us what needs to be set void MSWUpdateUIState(int action, int state = 0); + // translate wxWidgets coords into Windows ones suitable to be passed to + // ::CreateWindow(), called from MSWCreate() + virtual void MSWGetCreateWindowCoords(const wxPoint& pos, + const wxSize& size, + int& x, int& y, + int& w, int& h) const; + + bool MSWEnableHWND(WXHWND hWnd, bool enable); + private: // common part of all ctors void Init(); @@ -591,18 +682,6 @@ private: DECLARE_EVENT_TABLE() }; -// ---------------------------------------------------------------------------- -// inline functions -// ---------------------------------------------------------------------------- - -// --------------------------------------------------------------------------- -// global functions -// --------------------------------------------------------------------------- - -// kbd code translation -WXDLLIMPEXP_CORE int wxCharCodeMSWToWX(int keySym, WXLPARAM lParam = 0); -WXDLLIMPEXP_CORE WXWORD wxCharCodeWXToMSW(int id, bool *IsVirtual = NULL); - // window creation helper class: before creating a new HWND, instantiate an // object of this class on stack - this allows to process the messages sent to // the window even before CreateWindow() returns