]> git.saurik.com Git - wxWidgets.git/blobdiff - src/stc/ScintillaWX.cpp
fix MSVC warnings about possibly uninitialized variables; some reindentation
[wxWidgets.git] / src / stc / ScintillaWX.cpp
index 796f06e0c8f03ac927b8e2fa36f0763a9d507fbb..3777731ae60344ca9585ce6c915c38651bc0be6d 100644 (file)
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#if wxUSE_STC
+
+#ifndef WX_PRECOMP
+    #include "wx/scrolbar.h"
+    #include "wx/menu.h"
+    #include "wx/timer.h"
+#endif // WX_PRECOMP
+
+#include "wx/textbuf.h"
+#include "wx/dataobj.h"
+#include "wx/clipbrd.h"
+#include "wx/dnd.h"
 
 #include "ScintillaWX.h"
 #include "ExternalLexer.h"
 #include "wx/stc/stc.h"
+#include "wx/stc/private.h"
 #include "PlatWX.h"
-#include <wx/textbuf.h>
+
+#ifdef __WXMSW__
+    // GetHwndOf()
+    #include "wx/msw/private.h"
+#endif
 
 //----------------------------------------------------------------------
 // Helper classes
 class wxSTCTimer : public wxTimer {
 public:
     wxSTCTimer(ScintillaWX* swx) {
-        this->swx = swx;
+        m_swx = swx;
     }
 
     void Notify() {
-        swx->DoTick();
+        m_swx->DoTick();
     }
 
 private:
-    ScintillaWX* swx;
+    ScintillaWX* m_swx;
 };
 
 
 #if wxUSE_DRAG_AND_DROP
 bool wxSTCDropTarget::OnDropText(wxCoord x, wxCoord y, const wxString& data) {
-    return swx->DoDropText(x, y, data);
+    return m_swx->DoDropText(x, y, data);
 }
 
 wxDragResult  wxSTCDropTarget::OnEnter(wxCoord x, wxCoord y, wxDragResult def) {
-    return swx->DoDragEnter(x, y, def);
+    return m_swx->DoDragEnter(x, y, def);
 }
 
 wxDragResult  wxSTCDropTarget::OnDragOver(wxCoord x, wxCoord y, wxDragResult def) {
-    return swx->DoDragOver(x, y, def);
+    return m_swx->DoDragOver(x, y, def);
 }
 
 void  wxSTCDropTarget::OnLeave() {
-    swx->DoDragLeave();
+    m_swx->DoDragLeave();
 }
-#endif
+#endif // wxUSE_DRAG_AND_DROP
 
 
-#if wxUSE_POPUPWIN && wxSTC_USE_POPUP
-#include <wx/popupwin.h>
+#if wxUSE_POPUPWIN
+#include "wx/popupwin.h"
 #define wxSTCCallTipBase wxPopupWindow
-#define param2  wxBORDER_NONE  // popup's 2nd param is flags
 #else
-#define wxSTCCallTipBase wxWindow
-#define param2 -1 // wxWindow's 2nd param is ID
+#include "wx/frame.h"
+#define wxSTCCallTipBase wxFrame
 #endif
 
-#include <wx/dcbuffer.h>
+#include "wx/dcbuffer.h"
 
 class wxSTCCallTip : public wxSTCCallTipBase {
 public:
-    wxSTCCallTip(wxWindow* parent, CallTip* ct, ScintillaWX* swx)
-        : wxSTCCallTipBase(parent, param2),
+    wxSTCCallTip(wxWindow* parent, CallTip* ct, ScintillaWX* swx) :
+#if wxUSE_POPUPWIN
+        wxSTCCallTipBase(parent, wxBORDER_NONE),
+#else
+        wxSTCCallTipBase(parent, -1, wxEmptyString, wxDefaultPosition, wxDefaultSize,
+                         wxFRAME_NO_TASKBAR
+                         | wxFRAME_FLOAT_ON_PARENT
+                         | wxBORDER_NONE
+#ifdef __WXMAC__
+                         | wxPOPUP_WINDOW  
+#endif
+            ), 
+#endif
           m_ct(ct), m_swx(swx), m_cx(wxDefaultCoord), m_cy(wxDefaultCoord)
         {
+            SetBackgroundStyle(wxBG_STYLE_CUSTOM);
         }
 
     ~wxSTCCallTip() {
-#if wxUSE_POPUPWIN && wxSTC_USE_POPUP && defined(__WXGTK__)
+#if wxUSE_POPUPWIN && defined(__WXGTK__)
         wxRect rect = GetRect();
         rect.x = m_cx;
         rect.y = m_cy;
@@ -88,8 +123,9 @@ public:
 
     bool AcceptsFocus() const { return false; }
 
-    void OnPaint(wxPaintEvent& WXUNUSED(evt)) {
-        wxBufferedPaintDC dc(this);
+    void OnPaint(wxPaintEvent& WXUNUSED(evt))
+    {
+        wxAutoBufferedPaintDC dc(this);
         Surface* surfaceWindow = Surface::Allocate();
         surfaceWindow->Init(&dc, m_ct->wDraw.GetID());
         m_ct->PaintCT(surfaceWindow);
@@ -97,22 +133,25 @@ public:
         delete surfaceWindow;
     }
 
-    void OnFocus(wxFocusEvent& event) {
+    void OnFocus(wxFocusEvent& event)
+    {
         GetParent()->SetFocus();
         event.Skip();
     }
 
-    void OnLeftDown(wxMouseEvent& event) {
+    void OnLeftDown(wxMouseEvent& event)
+    {
         wxPoint pt = event.GetPosition();
         Point p(pt.x, pt.y);
         m_ct->MouseClick(p);
         m_swx->CallTipClick();
     }
 
-#if wxUSE_POPUPWIN && wxSTC_USE_POPUP
     virtual void DoSetSize(int x, int y,
                            int width, int height,
-                           int sizeFlags = wxSIZE_AUTO) {
+                           int sizeFlags = wxSIZE_AUTO)
+    {
+        // convert coords to screen coords since we're a top-level window
         if (x != wxDefaultCoord) {
             m_cx = x;
             GetParent()->ClientToScreen(&x, NULL);
@@ -123,9 +162,27 @@ public:
         }
         wxSTCCallTipBase::DoSetSize(x, y, width, height, sizeFlags);
     }
-#endif
 
-    wxPoint GetMyPosition() {
+#if wxUSE_POPUPWIN
+#else
+    virtual bool Show( bool show = true )
+    {
+        // Although we're a frame, we always want the parent to be active, so
+        // raise it whenever we get shown.
+        bool rv = wxSTCCallTipBase::Show(show);
+        if (rv && show)
+        {
+            wxTopLevelWindow *frame = wxDynamicCast(
+                wxGetTopLevelParent(GetParent()), wxTopLevelWindow);
+            if (frame)
+                frame->Raise();
+        }
+        return rv;
+    }
+#endif
+    
+    wxPoint GetMyPosition()
+    {
         return wxPoint(m_cx, m_cy);
     }
 
@@ -145,6 +202,7 @@ END_EVENT_TABLE()
 
 //----------------------------------------------------------------------
 
+#if wxUSE_DATAOBJ
 static wxTextFileType wxConvertEOLMode(int scintillaMode)
 {
     wxTextFileType type;
@@ -168,6 +226,7 @@ static wxTextFileType wxConvertEOLMode(int scintillaMode)
     }
     return type;
 }
+#endif // wxUSE_DATAOBJ
 
 
 //----------------------------------------------------------------------
@@ -181,6 +240,11 @@ ScintillaWX::ScintillaWX(wxStyledTextCtrl* win) {
     stc   = win;
     wheelRotation = 0;
     Initialise();
+#ifdef __WXMSW__
+    sysCaretBitmap = 0;
+    sysCaretWidth = 0;
+    sysCaretHeight = 0;
+#endif
 }
 
 
@@ -198,7 +262,7 @@ void ScintillaWX::Initialise() {
     dropTarget = new wxSTCDropTarget;
     dropTarget->SetScintilla(this);
     stc->SetDropTarget(dropTarget);
-#endif
+#endif // wxUSE_DRAG_AND_DROP
 #ifdef __WXMAC__
     vs.extraFontFlag = false;  // UseAntiAliasing
 #else
@@ -211,6 +275,7 @@ void ScintillaWX::Finalise() {
     ScintillaBase::Finalise();
     SetTicking(false);
     SetIdle(false);
+    DestroySystemCaret();
 }
 
 
@@ -228,20 +293,21 @@ void ScintillaWX::StartDrag() {
     stc->GetEventHandler()->ProcessEvent(evt);
     dragText = evt.GetDragText();
 
-    if (dragText.Length()) {
+    if (dragText.length()) {
         wxDropSource        source(stc);
         wxTextDataObject    data(dragText);
         wxDragResult        result;
 
         source.SetData(data);
         dropWentOutside = true;
+        inDragDrop = ddDragging;
         result = source.DoDragDrop(evt.GetDragAllowMove());
         if (result == wxDragMove && dropWentOutside)
             ClearSelection();
-        inDragDrop = false;
+        inDragDrop = ddNone;
         SetDragPosition(invalidPosition);
     }
-#endif
+#endif // wxUSE_DRAG_AND_DROP
 }
 
 
@@ -249,11 +315,9 @@ bool ScintillaWX::SetIdle(bool on) {
     if (idler.state != on) {
         // connect or disconnect the EVT_IDLE handler
         if (on)
-            stc->Connect(wxID_ANY, wxEVT_IDLE,
-                         (wxObjectEventFunction) (wxEventFunction) (wxIdleEventFunction) &wxStyledTextCtrl::OnIdle);
+            stc->Connect(wxID_ANY, wxEVT_IDLE, wxIdleEventHandler(wxStyledTextCtrl::OnIdle));
         else
-            stc->Disconnect(wxID_ANY, wxEVT_IDLE,
-                            (wxObjectEventFunction) (wxEventFunction) (wxIdleEventFunction) &wxStyledTextCtrl::OnIdle);
+            stc->Disconnect(wxID_ANY, wxEVT_IDLE, wxIdleEventHandler(wxStyledTextCtrl::OnIdle));
         idler.state = on;
     }
     return idler.state;
@@ -424,11 +488,12 @@ void ScintillaWX::Paste() {
     pdoc->BeginUndoAction();
     ClearSelection();
 
+#if wxUSE_DATAOBJ
     wxTextDataObject data;
     bool gotData = false;
 
+    wxTheClipboard->UsePrimarySelection(false);
     if (wxTheClipboard->Open()) {
-        wxTheClipboard->UsePrimarySelection(false);
         gotData = wxTheClipboard->GetData(data);
         wxTheClipboard->Close();
     }
@@ -436,10 +501,17 @@ void ScintillaWX::Paste() {
         wxString   text = wxTextBuffer::Translate(data.GetText(),
                                                   wxConvertEOLMode(pdoc->eolMode));
         wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(text);
-        int        len = strlen(buf);
+
+#if wxUSE_UNICODE
+        // free up the old character buffer in case the text is real big
+        data.SetText(wxEmptyString); 
+        text = wxEmptyString;
+#endif
+        int len = strlen(buf);
         pdoc->InsertString(currentPos, buf, len);
         SetEmptySelection(currentPos + len);
     }
+#endif // wxUSE_DATAOBJ
 
     pdoc->EndUndoAction();
     NotifyChange();
@@ -448,32 +520,43 @@ void ScintillaWX::Paste() {
 
 
 void ScintillaWX::CopyToClipboard(const SelectionText& st) {
+#if wxUSE_CLIPBOARD
+    if ( !st.len )
+        return;
+
+    wxTheClipboard->UsePrimarySelection(false);
     if (wxTheClipboard->Open()) {
-        wxTheClipboard->UsePrimarySelection(false);
-        wxString text = wxTextBuffer::Translate(stc2wx(st.s, st.len));
+        wxString text = wxTextBuffer::Translate(stc2wx(st.s, st.len-1));
         wxTheClipboard->SetData(new wxTextDataObject(text));
         wxTheClipboard->Close();
     }
+#else
+    wxUnusedVar(st);
+#endif // wxUSE_CLIPBOARD
 }
 
 
 bool ScintillaWX::CanPaste() {
+#if wxUSE_CLIPBOARD
     bool canPaste = false;
     bool didOpen;
 
     if (Editor::CanPaste()) {
+        wxTheClipboard->UsePrimarySelection(false);
         didOpen = !wxTheClipboard->IsOpened();
         if ( didOpen )
             wxTheClipboard->Open();
 
         if (wxTheClipboard->IsOpened()) {
-            wxTheClipboard->UsePrimarySelection(false);
             canPaste = wxTheClipboard->IsSupported(wxUSE_UNICODE ? wxDF_UNICODETEXT : wxDF_TEXT);
             if (didOpen)
                 wxTheClipboard->Close();
         }
     }
     return canPaste;
+#else
+    return false;
+#endif // wxUSE_CLIPBOARD
 }
 
 void ScintillaWX::CreateCallTipWindow(PRectangle) {
@@ -495,36 +578,96 @@ void ScintillaWX::AddToPopUp(const char *label, int cmd, bool enabled) {
 }
 
 
-// This is called by the Editor base class whenever something is selected
+// This is called by the Editor base class whenever something is selected.
+// For wxGTK we can put this text in the primary selection and then other apps
+// can paste with the middle button.
 void ScintillaWX::ClaimSelection() {
-#if 0
-    // Until wxGTK is able to support using both the primary selection and the
-    // clipboard at the same time I think it causes more problems than it is
-    // worth to implement this method.  Selecting text should not clear the
-    // clipboard.  --Robin
 #ifdef __WXGTK__
     // Put the selected text in the PRIMARY selection
     if (currentPos != anchor) {
         SelectionText st;
         CopySelectionRange(&st);
+        wxTheClipboard->UsePrimarySelection(true);
         if (wxTheClipboard->Open()) {
-            wxTheClipboard->UsePrimarySelection(true);
             wxString text = stc2wx(st.s, st.len);
             wxTheClipboard->SetData(new wxTextDataObject(text));
-            wxTheClipboard->UsePrimarySelection(false);
             wxTheClipboard->Close();
         }
+        wxTheClipboard->UsePrimarySelection(false);
     }
 #endif
+}
+
+
+void ScintillaWX::UpdateSystemCaret() {
+#ifdef __WXMSW__
+    if (hasFocus) {
+        if (HasCaretSizeChanged()) {
+            DestroySystemCaret();
+            CreateSystemCaret();
+        }
+        Point pos = LocationFromPosition(currentPos);
+        ::SetCaretPos(pos.x, pos.y);
+    }
+#endif
+}
+
+
+bool ScintillaWX::HasCaretSizeChanged() {
+#ifdef __WXMSW__
+    if ( (vs.caretWidth && (sysCaretWidth != vs.caretWidth))
+        || (vs.lineHeight && (sysCaretHeight != vs.lineHeight)) ) {
+        return true;
+    }
+#endif
+    return false;
+}
+
+bool ScintillaWX::CreateSystemCaret() {
+#ifdef __WXMSW__
+    sysCaretWidth = vs.caretWidth;
+    if (0 == sysCaretWidth) {
+        sysCaretWidth = 1;
+    }
+    sysCaretHeight = vs.lineHeight;
+    int bitmapSize = (((sysCaretWidth + 15) & ~15) >> 3) * sysCaretHeight;
+    char *bits = new char[bitmapSize];
+    memset(bits, 0, bitmapSize);
+    sysCaretBitmap = ::CreateBitmap(sysCaretWidth, sysCaretHeight, 1,
+                                    1, reinterpret_cast<BYTE *>(bits));
+    delete [] bits;
+    BOOL retval = ::CreateCaret(GetHwndOf(stc), sysCaretBitmap,
+                                sysCaretWidth, sysCaretHeight);
+    ::ShowCaret(GetHwndOf(stc));
+    return retval != 0;
+#else
+    return false;
+#endif
+}
+
+bool ScintillaWX::DestroySystemCaret() {
+#ifdef __WXMSW__
+    ::HideCaret(GetHwndOf(stc));
+    BOOL retval = ::DestroyCaret();
+    if (sysCaretBitmap) {
+        ::DeleteObject(sysCaretBitmap);
+        sysCaretBitmap = 0;
+    }
+    return retval != 0;
+#else
+    return false;
 #endif
 }
 
 
-long ScintillaWX::DefWndProc(unsigned int /*iMessage*/, unsigned long /*wParam*/, long /*lParam*/) {
+//----------------------------------------------------------------------
+
+
+sptr_t ScintillaWX::DefWndProc(unsigned int /*iMessage*/, uptr_t /*wParam*/, sptr_t /*lParam*/) {
     return 0;
 }
 
-long ScintillaWX::WndProc(unsigned int iMessage, unsigned long wParam, long lParam) {
+sptr_t ScintillaWX::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
       switch (iMessage) {
       case SCI_CALLTIPSHOW: {
           // NOTE: This is copied here from scintilla/src/ScintillaBase.cxx
@@ -566,6 +709,7 @@ long ScintillaWX::WndProc(unsigned int iMessage, unsigned long wParam, long lPar
             LexerManager::GetInstance()->Load((const char*)lParam);
             break;
 #endif
+
       default:
           return ScintillaBase::WndProc(iMessage, wParam, lParam);
       }
@@ -586,7 +730,6 @@ void ScintillaWX::DoPaint(wxDC* dc, wxRect rect) {
     PRectangle rcClient = GetClientRectangle();
     paintingAllText = rcPaint.Contains(rcClient);
 
-    dc->BeginDrawing();
     ClipChildren(*dc, rcPaint);
     Paint(surfaceWindow, rcPaint);
 
@@ -597,7 +740,6 @@ void ScintillaWX::DoPaint(wxDC* dc, wxRect rect) {
         FullPaint();
     }
     paintState = notPainting;
-    dc->EndDrawing();
 }
 
 
@@ -687,12 +829,15 @@ void ScintillaWX::DoLoseFocus(){
     focusEvent = true;
     SetFocusState(false);
     focusEvent = false;
+    DestroySystemCaret();
 }
 
 void ScintillaWX::DoGainFocus(){
     focusEvent = true;
     SetFocusState(true);
     focusEvent = false;
+    DestroySystemCaret();
+    CreateSystemCaret();
 }
 
 void ScintillaWX::DoSysColourChange() {
@@ -721,12 +866,12 @@ void ScintillaWX::DoMiddleButtonUp(Point pt) {
     pdoc->BeginUndoAction();
     wxTextDataObject data;
     bool gotData = false;
+    wxTheClipboard->UsePrimarySelection(true);
     if (wxTheClipboard->Open()) {
-        wxTheClipboard->UsePrimarySelection(true);
         gotData = wxTheClipboard->GetData(data);
-        wxTheClipboard->UsePrimarySelection(false);
         wxTheClipboard->Close();
     }
+    wxTheClipboard->UsePrimarySelection(false);
     if (gotData) {
         wxString   text = wxTextBuffer::Translate(data.GetText(),
                                                   wxConvertEOLMode(pdoc->eolMode));
@@ -767,8 +912,8 @@ int  ScintillaWX::DoKeyDown(const wxKeyEvent& evt, bool* consumed)
     bool shift = evt.ShiftDown(),
          ctrl  = evt.ControlDown(),
          alt   = evt.AltDown();
-    if (ctrl && key >= 1 && key <= 26)
+
+    if (ctrl && key >= 1 && key <= 26 && key != WXK_BACK)
         key += 'A' - 1;
 
     switch (key) {
@@ -778,15 +923,24 @@ int  ScintillaWX::DoKeyDown(const wxKeyEvent& evt, bool* consumed)
     case WXK_RIGHT:             key = SCK_RIGHT;    break;
     case WXK_HOME:              key = SCK_HOME;     break;
     case WXK_END:               key = SCK_END;      break;
-    case WXK_PAGEUP:            // fall through
-    case WXK_PRIOR:             key = SCK_PRIOR;    break;
-    case WXK_PAGEDOWN:          // fall through
-    case WXK_NEXT:              key = SCK_NEXT;     break;
+    case WXK_PAGEUP:            key = SCK_PRIOR;    break;
+    case WXK_PAGEDOWN:          key = SCK_NEXT;     break;
+    case WXK_NUMPAD_DOWN:       key = SCK_DOWN;     break;
+    case WXK_NUMPAD_UP:         key = SCK_UP;       break;
+    case WXK_NUMPAD_LEFT:       key = SCK_LEFT;     break;
+    case WXK_NUMPAD_RIGHT:      key = SCK_RIGHT;    break;
+    case WXK_NUMPAD_HOME:       key = SCK_HOME;     break;
+    case WXK_NUMPAD_END:        key = SCK_END;      break;
+    case WXK_NUMPAD_PAGEUP:     key = SCK_PRIOR;    break;
+    case WXK_NUMPAD_PAGEDOWN:   key = SCK_NEXT;     break;
+    case WXK_NUMPAD_DELETE:     key = SCK_DELETE;   break;
+    case WXK_NUMPAD_INSERT:     key = SCK_INSERT;   break;
     case WXK_DELETE:            key = SCK_DELETE;   break;
     case WXK_INSERT:            key = SCK_INSERT;   break;
     case WXK_ESCAPE:            key = SCK_ESCAPE;   break;
     case WXK_BACK:              key = SCK_BACK;     break;
     case WXK_TAB:               key = SCK_TAB;      break;
+    case WXK_NUMPAD_ENTER:      // fall through
     case WXK_RETURN:            key = SCK_RETURN;   break;
     case WXK_ADD:               // fall through
     case WXK_NUMPAD_ADD:        key = SCK_ADD;      break;
@@ -905,12 +1059,14 @@ wxDragResult ScintillaWX::DoDragOver(wxCoord x, wxCoord y, wxDragResult def) {
 void ScintillaWX::DoDragLeave() {
     SetDragPosition(invalidPosition);
 }
-#endif
+#endif // wxUSE_DRAG_AND_DROP
 //----------------------------------------------------------------------
 
 // Force the whole window to be repainted
 void ScintillaWX::FullPaint() {
+#ifndef __WXMAC__
     stc->Refresh(false);
+#endif
     stc->Update();
 }
 
@@ -924,28 +1080,25 @@ void ScintillaWX::DoScrollToColumn(int column) {
     HorizontalScrollTo(column * vs.spaceWidth);
 }
 
-#ifdef __WXGTK__
-void ScintillaWX::ClipChildren(wxDC& dc, PRectangle rect) {
-    wxRegion rgn(wxRectFromPRectangle(rect));
-    if (ac.Active()) {
-        wxRect childRect = ((wxWindow*)ac.lb->GetID())->GetRect();
-        rgn.Subtract(childRect);
-    }
-    if (ct.inCallTipMode) {
-        wxSTCCallTip* tip = (wxSTCCallTip*)ct.wCallTip.GetID();
-        wxRect childRect = tip->GetRect();
-#if wxUSE_POPUPWIN && wxSTC_USE_POPUP
-        childRect.SetPosition(tip->GetMyPosition());
-#endif
-        rgn.Subtract(childRect);
-    }
-
-    dc.SetClippingRegion(rgn);
-}
-#else
-void ScintillaWX::ClipChildren(wxDC& WXUNUSED(dc), PRectangle WXUNUSED(rect)) {
+// wxGTK doesn't appear to need this explicit clipping code any longer, but I
+// will leave it here commented out for a while just in case...
+void ScintillaWX::ClipChildren(wxDC& WXUNUSED(dc), PRectangle WXUNUSED(rect))
+{
+//     wxRegion rgn(wxRectFromPRectangle(rect));
+//     if (ac.Active()) {
+//         wxRect childRect = ((wxWindow*)ac.lb->GetID())->GetRect();
+//         rgn.Subtract(childRect);
+//     }
+//     if (ct.inCallTipMode) {
+//         wxSTCCallTip* tip = (wxSTCCallTip*)ct.wCallTip.GetID();
+//         wxRect childRect = tip->GetRect();
+// #if wxUSE_POPUPWIN
+//         childRect.SetPosition(tip->GetMyPosition());
+// #endif
+//         rgn.Subtract(childRect);
+//     }
+//     dc.SetClippingRegion(rgn);
 }
-#endif
 
 
 void ScintillaWX::SetUseAntiAliasing(bool useAA) {
@@ -959,3 +1112,5 @@ bool ScintillaWX::GetUseAntiAliasing() {
 
 //----------------------------------------------------------------------
 //----------------------------------------------------------------------
+
+#endif // wxUSE_STC