X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5b1985a920a3e3fb457192d4bee7ea89a72a974a..2d5779d44094cf386fce5cea2d7eb2ce4c5467f7:/src/msw/msgdlg.cpp

diff --git a/src/msw/msgdlg.cpp b/src/msw/msgdlg.cpp
index f6057f7361..3a8ace4806 100644
--- a/src/msw/msgdlg.cpp
+++ b/src/msw/msgdlg.cpp
@@ -18,8 +18,6 @@
 
 #if wxUSE_MSGDLG
 
-#include "wx/ptr_scpd.h"
-
 // there is no hook support under CE so we can't use the code for message box
 // positioning there
 #ifndef __WXWINCE__
@@ -29,21 +27,21 @@
 #endif
 
 #ifndef WX_PRECOMP
+    #include "wx/msgdlg.h"
     #include "wx/app.h"
     #include "wx/intl.h"
     #include "wx/utils.h"
-    #include "wx/dialog.h"
+    #include "wx/msw/private.h"
     #if wxUSE_MSGBOX_HOOK
         #include "wx/hashmap.h"
     #endif
 #endif
 
+#include "wx/ptr_scpd.h"
 #include "wx/dynlib.h"
-#include "wx/msw/private.h"
 #include "wx/msw/private/button.h"
 #include "wx/msw/private/metrics.h"
 #include "wx/msw/private/msgdlg.h"
-#include "wx/msgdlg.h"
 
 #if wxUSE_MSGBOX_HOOK
     #include "wx/fontutil.h"
@@ -255,8 +253,10 @@ void wxMessageDialog::ReplaceStaticWithEdit()
     {
         if ( *i != '\n' )
         {
-            // found last non-newline char, remove everything after it and stop
-            text.erase(i.base() + 1, text.end());
+            // found last non-newline char, remove anything after it if
+            // necessary and stop in any case
+            if ( i != text.rbegin() )
+                text.erase(i.base() + 1, text.end());
             break;
         }
     }
@@ -454,12 +454,16 @@ int wxMessageDialog::ShowMessageBox()
 #if wxUSE_INTL
     // native message box always uses the current user locale but the program
     // may be using a different one and in this case we need to manually
-    // translate the button labels to avoid mismatch between the language of
-    // the message box text and its buttons
+    // translate the default button labels (if they're non default we have no
+    // way to translate them and so we must assume they were already
+    // translated) to avoid mismatch between the language of the message box
+    // text and its buttons
     wxLocale * const loc = wxGetLocale();
     if ( loc && loc->GetLanguage() != wxLocale::GetSystemLanguage() )
     {
-        if ( m_dialogStyle & wxYES_NO )
+        if ( m_dialogStyle & wxYES_NO &&
+                (GetCustomYesLabel().empty() && GetCustomNoLabel().empty()) )
+
         {
             // use the strings with mnemonics here as the native message box
             // does
@@ -475,7 +479,8 @@ int wxMessageDialog::ShowMessageBox()
         // native message box (which probably doesn't use them because
         // Enter/Esc keys can be already used to dismiss the message box
         // using keyboard)
-        SetOKCancelLabels(_("OK"), _("Cancel"));
+        if ( GetCustomOKLabel().empty() && GetCustomCancelLabel().empty() )
+            SetOKCancelLabels(_("OK"), _("Cancel"));
     }
 #endif // wxUSE_INTL
 
@@ -511,6 +516,11 @@ int wxMessageDialog::ShowMessageBox()
         }
     }
 
+    if ( wxStyle & wxHELP )
+    {
+        msStyle |= MB_HELP;
+    }
+
     // set the icon style
     switch ( GetEffectiveIcon() )
     {
@@ -593,6 +603,16 @@ int wxMessageDialog::ShowModal()
             return wxID_CANCEL;
         }
 
+        // In case only an "OK" button was specified we actually created a
+        // "Cancel" button (see comment in MSWCommonTaskDialogInit). This
+        // results in msAns being IDCANCEL while we want IDOK (just like
+        // how the native MessageBox function does with only an "OK" button).
+        if ( (msAns == IDCANCEL)
+            && !(GetMessageDialogStyle() & (wxYES_NO|wxCANCEL)) )
+        {
+            msAns = IDOK;
+        }
+
         return MSWTranslateReturnCode( msAns );
     }
 #endif // wxHAS_MSW_TASKDIALOG
@@ -600,6 +620,19 @@ int wxMessageDialog::ShowModal()
     return ShowMessageBox();
 }
 
+void wxMessageDialog::DoCentre(int dir)
+{
+#ifdef wxHAS_MSW_TASKDIALOG
+    // Task dialog is always centered on its parent window and trying to center
+    // it manually doesn't work because its HWND is not created yet so don't
+    // even try as this would only result in (debug) error messages.
+    if ( HasNativeTaskDialog() )
+        return;
+#endif // wxHAS_MSW_TASKDIALOG
+
+    wxMessageDialogBase::DoCentre(dir);
+}
+
 // ----------------------------------------------------------------------------
 // Helpers of the wxMSWMessageDialog namespace
 // ----------------------------------------------------------------------------
@@ -607,7 +640,7 @@ int wxMessageDialog::ShowModal()
 #ifdef wxHAS_MSW_TASKDIALOG
 
 wxMSWTaskDialogConfig::wxMSWTaskDialogConfig(const wxMessageDialogBase& dlg)
-                     : buttons(new TASKDIALOG_BUTTON[3])
+                     : buttons(new TASKDIALOG_BUTTON[MAX_BUTTONS])
 {
     parent = dlg.GetParentForModalDialog();
     caption = dlg.GetCaption();
@@ -642,6 +675,7 @@ wxMSWTaskDialogConfig::wxMSWTaskDialogConfig(const wxMessageDialogBase& dlg)
     btnNoLabel = dlg.GetNoLabel();
     btnOKLabel = dlg.GetOKLabel();
     btnCancelLabel = dlg.GetCancelLabel();
+    btnHelpLabel = dlg.GetHelpLabel();
 }
 
 void wxMSWTaskDialogConfig::MSWCommonTaskDialogInit(TASKDIALOGCONFIG &tdc)
@@ -708,16 +742,38 @@ void wxMSWTaskDialogConfig::MSWCommonTaskDialogInit(TASKDIALOGCONFIG &tdc)
     }
     else // without Yes/No we're going to have an OK button
     {
-        AddTaskDialogButton(tdc, IDOK, TDCBF_OK_BUTTON, btnOKLabel);
-
         if ( style & wxCANCEL )
         {
+            AddTaskDialogButton(tdc, IDOK, TDCBF_OK_BUTTON, btnOKLabel);
             AddTaskDialogButton(tdc, IDCANCEL,
                                 TDCBF_CANCEL_BUTTON, btnCancelLabel);
 
             if ( style & wxCANCEL_DEFAULT )
                 tdc.nDefaultButton = IDCANCEL;
         }
+        else // Only "OK"
+        {
+            // We actually create a "Cancel" button instead because we want to
+            // allow closing the dialog box with Escape (and also Alt-F4 or
+            // clicking the close button in the title bar) which wouldn't work
+            // without a Cancel button.
+            if ( !useCustomLabels )
+            {
+                useCustomLabels = true;
+                btnOKLabel = _("OK");
+            }
+
+            AddTaskDialogButton(tdc, IDCANCEL, TDCBF_CANCEL_BUTTON, btnOKLabel);
+        }
+    }
+
+    if ( style & wxHELP )
+    {
+        // There is no support for "Help" button in the task dialog, it can
+        // only show "Retry" or "Close" ones.
+        useCustomLabels = true;
+
+        AddTaskDialogButton(tdc, IDHELP, 0 /* not used */, btnHelpLabel);
     }
 }
 
@@ -734,6 +790,10 @@ void wxMSWTaskDialogConfig::AddTaskDialogButton(TASKDIALOGCONFIG &tdc,
         tdBtn.nButtonID = btnCustomId;
         tdBtn.pszButtonText = customLabel.wx_str();
         tdc.cButtons++;
+
+        // We should never have more than 4 buttons currently as this is the
+        // maximal number of buttons supported by the message dialog.
+        wxASSERT_MSG( tdc.cButtons <= MAX_BUTTONS, wxT("Too many buttons") );
     }
     else
     {
@@ -803,6 +863,9 @@ int wxMSWMessageDialog::MSWTranslateReturnCode(int msAns)
         case IDNO:
             ans = wxID_NO;
             break;
+        case IDHELP:
+            ans = wxID_HELP;
+            break;
     }
 
     return ans;