]> git.saurik.com Git - wxWidgets.git/blobdiff - src/motif/msgdlg.cpp
Only call GetTextMetrics() in wxDC::GetTextExtent() if necessary.
[wxWidgets.git] / src / motif / msgdlg.cpp
index 2c4a2369e11982dc52743b45eb06353fde64cb90..5a7a63b83a8e79f0e5432ff548a5319124435cef 100644 (file)
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msgdlg.cpp
+// Name:        src/motif/msgdlg.cpp
 // Purpose:     wxMessageDialog
 // Author:      Julian Smart
 // Modified by:
 // Created:     04/01/98
 // Purpose:     wxMessageDialog
 // Author:      Julian Smart
 // Modified by:
 // Created:     04/01/98
-// RCS-ID:      $$
+// RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Copyright:   (c) Julian Smart
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "msgdlg.h"
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __VMS
+#pragma message disable nosimpint
+#include "wx/vms_x_fix.h"
 #endif
 #endif
+#include <X11/Xlib.h>
 
 
-#include "wx/motif/msgdlg.h"
+#include <Xm/Xm.h>
+#include <Xm/MessageB.h>
+#ifdef __VMS
+#pragma message enable nosimpint
+#endif
 
 
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
+#include "wx/msgdlg.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/app.h"
+    #include "wx/settings.h"
 #endif
 
 #endif
 
-wxMessageDialog::wxMessageDialog(wxWindow *parent, const wxString& message, const wxString& caption,
-        long style, const wxPoint& pos)
+#include "wx/motif/private.h"
+
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
+    IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// the callbacks for message box buttons
+// ----------------------------------------------------------------------------
+
+// the common part
+static void msgboxCallBack(Widget w, void* client_data, int id)
 {
 {
-    m_caption = caption;
-    m_message = message;
-    m_dialogStyle = style;
-    m_parent = parent;
+    // close the dialog
+    XtUnmanageChild(w);
+
+    wxMessageDialog *dlg = (wxMessageDialog *)client_data;
+    dlg->SetResult(id);
 }
 
 }
 
-int wxMessageDialog::ShowModal()
+static void msgboxCallBackOk(Widget w,
+                             void* client_data,
+                             XmAnyCallbackStruct *WXUNUSED(call_data))
+{
+    msgboxCallBack(w, client_data, wxID_OK);
+}
+
+static void msgboxCallBackCancel(Widget w,
+                                 void* client_data,
+                                 XmAnyCallbackStruct *WXUNUSED(call_data))
 {
 {
-    // TODO
-    return wxID_CANCEL;
+    msgboxCallBack(w, client_data, wxID_CANCEL);
 }
 
 }
 
+static void msgboxCallBackHelp(Widget w,
+                               void* client_data,
+                               XmAnyCallbackStruct *WXUNUSED(call_data))
+{
+    msgboxCallBack(w, client_data, wxID_HELP);
+}
+
+static void msgboxCallBackClose(Widget w,
+                                void* client_data,
+                                XmAnyCallbackStruct *WXUNUSED(call_data))
+{
+    msgboxCallBack(w, client_data, wxID_CANCEL);
+}
+
+// ----------------------------------------------------------------------------
+// wxMessageDialog
+// ----------------------------------------------------------------------------
+
+extern "C"
+{
+    typedef Widget (*DialogCreateFunction)(Widget, String, ArgList, Cardinal);
+}
+
+int wxMessageDialog::ShowModal()
+{
+    const long style = GetMessageDialogStyle();
+
+    DialogCreateFunction dialogCreateFunction;
+    if ( style & wxYES_NO )
+    {
+        // if we have [Yes], it must be a question
+        dialogCreateFunction = XmCreateQuestionDialog;
+    }
+    else if ( style & wxICON_STOP )
+    {
+        // error dialog is the one with error icon...
+        dialogCreateFunction = XmCreateErrorDialog;
+    }
+    else if ( style & wxICON_EXCLAMATION )
+    {
+        // ...and the warning dialog too
+        dialogCreateFunction = XmCreateWarningDialog;
+    }
+    else
+    {
+        // finally, use the info dialog by default
+        dialogCreateFunction = XmCreateInformationDialog;
+    }
+
+    Widget wParent = m_parent ? GetWidget(m_parent) : (Widget) 0;
+    if ( !wParent )
+    {
+        wxWindow *window = wxTheApp->GetTopWindow();
+        if ( !window )
+        {
+            wxFAIL_MSG("can't show message box without parent window");
+
+            return wxID_CANCEL;
+        }
+
+        wParent = GetWidget(window);
+    }
+
+    // prepare the arg list
+    Arg args[10];
+    int ac = 0;
+
+    wxXmString text(GetFullMessage());
+    wxXmString title(m_caption);
+    XtSetArg(args[ac], XmNmessageString, text()); ac++;
+    XtSetArg(args[ac], XmNdialogTitle, title()); ac++;
+
+    Display* dpy = XtDisplay(wParent);
+
+    if (m_backgroundColour.Ok())
+    {
+        wxComputeColours (dpy, & m_backgroundColour, NULL);
+
+        XtSetArg(args[ac], XmNbackground, g_itemColors[wxBACK_INDEX].pixel); ac++;
+        XtSetArg(args[ac], XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel); ac++;
+        XtSetArg(args[ac], XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel); ac++;
+        XtSetArg(args[ac], XmNforeground, g_itemColors[wxFORE_INDEX].pixel); ac++;
+    }
+
+    wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+
+#if __WXMOTIF20__ && !__WXLESSTIF__
+    XtSetArg(args[ac], XmNbuttonRenderTable, font.GetFontTypeC(dpy)); ac++;
+    XtSetArg(args[ac], XmNlabelRenderTable, font.GetFontTypeC(dpy)); ac++;
+    XtSetArg(args[ac], XmNtextRenderTable, font.GetFontTypeC(dpy)); ac++;
+#else
+    XtSetArg(args[ac], XmNbuttonFontList, font.GetFontTypeC(dpy)); ac++;
+    XtSetArg(args[ac], XmNlabelFontList, font.GetFontTypeC(dpy)); ac++;
+    XtSetArg(args[ac], XmNtextFontList, font.GetFontTypeC(dpy)); ac++;
+#endif
+
+    // do create message box
+
+    Widget wMsgBox = (*dialogCreateFunction)(wParent, wxMOTIF_STR(""), args, ac);
+
+    wxCHECK_MSG( wMsgBox, wxID_CANCEL, "msg box creation failed" );
+
+    // get the buttons which we might either remove or rename
+    // depending on the requested style
+    //
+    Widget wBtnOk = XmMessageBoxGetChild(wMsgBox, XmDIALOG_OK_BUTTON);
+    Widget wBtnHelp = XmMessageBoxGetChild(wMsgBox, XmDIALOG_HELP_BUTTON);
+    Widget wBtnCancel = XmMessageBoxGetChild(wMsgBox, XmDIALOG_CANCEL_BUTTON);
+
+    if ( style & wxYES_NO )
+    {
+        wxXmString yes(_("Yes")), no(_("No")), cancel(_("Cancel"));
+
+        if ( style & wxCANCEL )
+        {
+            // use the cancel button for No and the help button for
+            // Cancel  Yuk :-)  MB
+            //
+            XtVaSetValues(wBtnOk, XmNlabelString, yes(), NULL);
+            XtVaSetValues(wBtnCancel, XmNlabelString, no(), NULL);
+            XtVaSetValues(wBtnHelp, XmNlabelString, cancel(), NULL);
+        }
+        else
+        {
+            // no cancel button requested...
+            // remove the help button and use cancel for no
+            //
+            XtVaSetValues(wBtnCancel, XmNlabelString, no(), NULL);
+            XtUnmanageChild(wBtnHelp);
+        }
+    }
+    else
+    {
+        // remove the help button and the cancel button (unless it was
+        // requested)
+        //
+        XtUnmanageChild(wBtnHelp);
+        if ( !(style & wxCANCEL ) ) XtUnmanageChild(wBtnCancel);
+    }
+
+    // set the callbacks for the message box buttons
+    XtAddCallback(wMsgBox, XmNokCallback,
+                  (XtCallbackProc)msgboxCallBackOk, (XtPointer)this);
+    XtAddCallback(wMsgBox, XmNcancelCallback,
+                  (XtCallbackProc)msgboxCallBackCancel, (XtPointer)this);
+    XtAddCallback(wMsgBox, XmNhelpCallback,
+                  (XtCallbackProc)msgboxCallBackHelp, (XtPointer)this);
+    XtAddCallback(wMsgBox, XmNunmapCallback,
+                  (XtCallbackProc)msgboxCallBackClose, (XtPointer)this);
+
+    // show it as a modal dialog
+    XtManageChild(wMsgBox);
+    XtAddGrab(wMsgBox, True, False);
+
+    // the m_result will be changed when message box goes away
+    m_result = -1;
+
+    // local message loop
+    XtAppContext context = XtWidgetToApplicationContext(wParent);
+    XEvent event;
+    while ( m_result == -1 )
+    {
+        XtAppNextEvent(context, &event);
+        XtDispatchEvent(&event);
+    }
+
+    // translate the result if necessary
+    if ( style & wxYES_NO )
+    {
+        if ( m_result == wxID_OK )
+            m_result = wxID_YES;
+        else if ( m_result == wxID_CANCEL )
+            m_result = wxID_NO;
+        else if ( m_result == wxID_HELP )
+            m_result = wxID_CANCEL;
+    }
+
+    return m_result;
+}