X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0015757fecd9eca06336af8c10e900589c34cbea..4d623b67ee74794fbeba5805a269433d030c67d5:/samples/stc/edit.cpp

diff --git a/samples/stc/edit.cpp b/samples/stc/edit.cpp
index 17e3737927..c220fa7faf 100644
--- a/samples/stc/edit.cpp
+++ b/samples/stc/edit.cpp
@@ -28,6 +28,7 @@
 // need because it includes almost all 'standard' wxWidgets headers)
 #ifndef WX_PRECOMP
     #include "wx/wx.h"
+    #include "wx/textdlg.h"
 #endif
 
 //! wxWidgets headers
@@ -49,6 +50,8 @@
 // declarations
 //============================================================================
 
+// The (uniform) style used for the annotations.
+const int ANNOTATION_STYLE = wxSTC_STYLE_LASTPREDEFINED + 1;
 
 //============================================================================
 // implementation
@@ -93,6 +96,13 @@ BEGIN_EVENT_TABLE (Edit, wxStyledTextCtrl)
     EVT_MENU (myID_WRAPMODEON,         Edit::OnWrapmodeOn)
     EVT_MENU (myID_CHARSETANSI,        Edit::OnUseCharset)
     EVT_MENU (myID_CHARSETMAC,         Edit::OnUseCharset)
+    // annotations
+    EVT_MENU (myID_ANNOTATION_ADD,     Edit::OnAnnotationAdd)
+    EVT_MENU (myID_ANNOTATION_REMOVE,  Edit::OnAnnotationRemove)
+    EVT_MENU (myID_ANNOTATION_CLEAR,   Edit::OnAnnotationClear)
+    EVT_MENU (myID_ANNOTATION_STYLE_HIDDEN,   Edit::OnAnnotationStyle)
+    EVT_MENU (myID_ANNOTATION_STYLE_STANDARD, Edit::OnAnnotationStyle)
+    EVT_MENU (myID_ANNOTATION_STYLE_BOXED,    Edit::OnAnnotationStyle)
     // extra
     EVT_MENU (myID_CHANGELOWER,        Edit::OnChangeCase)
     EVT_MENU (myID_CHANGEUPPER,        Edit::OnChangeCase)
@@ -157,7 +167,10 @@ Edit::Edit (wxWindow *parent, wxWindowID id,
     MarkerDefine (wxSTC_MARKNUM_FOLDERMIDTAIL, wxSTC_MARK_EMPTY,     wxT("BLACK"), wxT("BLACK"));
     MarkerDefine (wxSTC_MARKNUM_FOLDERTAIL,    wxSTC_MARK_EMPTY,     wxT("BLACK"), wxT("BLACK"));
 
-    // miscelaneous
+    // annotations
+    AnnotationSetVisible(wxSTC_ANNOTATION_BOXED);
+
+    // miscellaneous
     m_LineNrMargin = TextWidth (wxSTC_STYLE_LINENUMBER, wxT("_999999"));
     m_FoldingMargin = 16;
     CmdKeyClear (wxSTC_KEY_TAB, 0); // this is done by the menu accelerator key
@@ -312,6 +325,79 @@ void Edit::OnUseCharset (wxCommandEvent &event) {
     SetCodePage (charset);
 }
 
+void Edit::OnAnnotationAdd(wxCommandEvent& WXUNUSED(event))
+{
+    const int line = GetCurrentLine();
+
+    wxString ann = AnnotationGetText(line);
+    ann = wxGetTextFromUser
+          (
+            wxString::Format("Enter annotation for the line %d", line),
+            "Edit annotation",
+            ann,
+            this
+          );
+    if ( ann.empty() )
+        return;
+
+    AnnotationSetText(line, ann);
+    AnnotationSetStyle(line, ANNOTATION_STYLE);
+
+    // Scintilla doesn't update the scroll width for annotations, even with
+    // scroll width tracking on, so do it manually.
+    const int width = GetScrollWidth();
+
+    // NB: The following adjustments are only needed when using
+    //     wxSTC_ANNOTATION_BOXED annotations style, but we apply them always
+    //     in order to make things simpler and not have to redo the width
+    //     calculations when the annotations visibility changes. In a real
+    //     program you'd either just stick to a fixed annotations visibility or
+    //     update the width when it changes.
+
+    // Take into account the fact that the annotation is shown indented, with
+    // the same indent as the line it's attached to.
+    int indent = GetLineIndentation(line);
+
+    // This is just a hack to account for the width of the box, there doesn't
+    // seem to be any way to get it directly from Scintilla.
+    indent += 3;
+
+    const int widthAnn = TextWidth(ANNOTATION_STYLE, ann + wxString(indent, ' '));
+
+    if (widthAnn > width)
+        SetScrollWidth(widthAnn);
+}
+
+void Edit::OnAnnotationRemove(wxCommandEvent& WXUNUSED(event))
+{
+    AnnotationSetText(GetCurrentLine(), wxString());
+}
+
+void Edit::OnAnnotationClear(wxCommandEvent& WXUNUSED(event))
+{
+    AnnotationClearAll();
+}
+
+void Edit::OnAnnotationStyle(wxCommandEvent& event)
+{
+    int style = 0;
+    switch (event.GetId()) {
+        case myID_ANNOTATION_STYLE_HIDDEN:
+            style = wxSTC_ANNOTATION_HIDDEN;
+            break;
+
+        case myID_ANNOTATION_STYLE_STANDARD:
+            style = wxSTC_ANNOTATION_STANDARD;
+            break;
+
+        case myID_ANNOTATION_STYLE_BOXED:
+            style = wxSTC_ANNOTATION_BOXED;
+            break;
+    }
+
+    AnnotationSetVisible(style);
+}
+
 void Edit::OnChangeCase (wxCommandEvent &event) {
     switch (event.GetId()) {
         case myID_CHANGELOWER: {
@@ -417,6 +503,12 @@ bool Edit::InitializePrefs (const wxString &name) {
     StyleSetBackground (wxSTC_STYLE_LINENUMBER, *wxWHITE);
     SetMarginWidth (m_LineNrID, 0); // start out not visible
 
+    // annotations style
+    StyleSetBackground(ANNOTATION_STYLE, wxColour(244, 220, 220));
+    StyleSetForeground(ANNOTATION_STYLE, *wxBLACK);
+    StyleSetSizeFractional(ANNOTATION_STYLE,
+            (StyleGetSizeFractional(wxSTC_STYLE_DEFAULT)*4)/5);
+
     // default fonts for all styles!
     int Nr;
     for (Nr = 0; Nr < wxSTC_STYLE_LASTPREDEFINED; Nr++) {