]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/filedlg.cpp
supporting native content scaling on OSX
[wxWidgets.git] / src / gtk / filedlg.cpp
index 6260b33b8e265bb0eeb5a9b8565d42ea38a17abd..6f3b775ada9bf10007833f47d5bde4277197fc5e 100644 (file)
@@ -10,7 +10,7 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#if wxUSE_FILEDLG 
+#if wxUSE_FILEDLG
 
 #include "wx/filedlg.h"
 
 #include <gtk/gtk.h>
 #include "wx/gtk/private.h"
 
+#ifdef __UNIX__
 #include <unistd.h> // chdir
+#endif
 
 #include "wx/filename.h" // wxFilename
 #include "wx/tokenzr.h" // wxStringTokenizer
 #include "wx/filefn.h" // ::wxGetCwd
+#include "wx/modalhook.h"
 
 //-----------------------------------------------------------------------------
 // "clicked" for OK-button
@@ -39,6 +42,7 @@ static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
     wxGtkString filename(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget)));
 
     // gtk version numbers must be identical with the one in ctor (that calls set_do_overwrite_confirmation)
+#ifndef __WXGTK3__
 #if GTK_CHECK_VERSION(2,7,3)
     if (gtk_check_version(2, 7, 3) != NULL)
 #endif
@@ -51,7 +55,7 @@ static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
 
                 msg.Printf(
                     _("File '%s' already exists, do you really want to overwrite it?"),
-                    wxString(filename, *wxConvFileName));
+                    wxString::FromUTF8(filename));
 
                 wxMessageDialog dlg(dialog, msg, _("Confirm"),
                                    wxYES_NO | wxICON_QUESTION);
@@ -60,6 +64,7 @@ static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
             }
         }
     }
+#endif
 
     if (style & wxFD_FILE_MUST_EXIST)
     {
@@ -80,7 +85,7 @@ static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
         chdir(folder);
     }
 
-    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
+    wxCommandEvent event(wxEVT_BUTTON, wxID_OK);
     event.SetEventObject(dialog);
     dialog->HandleWindowEvent(event);
 }
@@ -111,6 +116,15 @@ static void gtk_filedialog_response_callback(GtkWidget *w,
         gtk_filedialog_cancel_callback(w, dialog);
 }
 
+static void gtk_filedialog_selchanged_callback(GtkFileChooser *chooser,
+                                               wxFileDialog *dialog)
+{
+    wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser));
+
+    dialog->GTKSelectionChanged(wxString::FromUTF8(filename));
+}
+
+
 static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser,
                                                    gpointer user_data)
 {
@@ -133,24 +147,14 @@ static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser,
 
 } // extern "C"
 
-//-----------------------------------------------------------------------------
-// "size_request" from m_extraControl
-//-----------------------------------------------------------------------------
-
-extern "C" {
-static void extra_widget_size_request(GtkWidget*, GtkRequisition* req, wxWindow* win)
+void wxFileDialog::AddChildGTK(wxWindowGTK* child)
 {
     // allow dialog to be resized smaller horizontally
-    req->width = win->GetMinWidth();
-}
-}
+    gtk_widget_set_size_request(
+        child->m_widget, child->GetMinWidth(), child->m_height);
 
-static void wxInsertChildInFileDialog(wxWindow* parent, wxWindow* child)
-{
-    g_signal_connect_after(child->m_widget, "size_request",
-        G_CALLBACK(extra_widget_size_request), child);
     gtk_file_chooser_set_extra_widget(
-        GTK_FILE_CHOOSER(parent->m_widget), child->m_widget);
+        GTK_FILE_CHOOSER(m_widget), child->m_widget);
 }
 
 //-----------------------------------------------------------------------------
@@ -173,13 +177,23 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
                            const wxString& name)
     : wxFileDialogBase()
 {
-    m_insertCallback = wxInsertChildInFileDialog;
-    parent = GetParentForModalDialog(parent);
+    Create(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name);
+}
+
+bool wxFileDialog::Create(wxWindow *parent, const wxString& message,
+                           const wxString& defaultDir,
+                           const wxString& defaultFileName,
+                           const wxString& wildCard,
+                           long style, const wxPoint& pos,
+                           const wxSize& sz,
+                           const wxString& name)
+{
+    parent = GetParentForModalDialog(parent, style);
 
     if (!wxFileDialogBase::Create(parent, message, defaultDir, defaultFileName,
                                   wildCard, style, pos, sz, name))
     {
-        return;
+        return false;
     }
 
     if (!PreCreation(parent, pos, wxDefaultSize) ||
@@ -187,7 +201,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
                 wxDefaultValidator, wxT("filedialog")))
     {
         wxFAIL_MSG( wxT("wxFileDialog creation failed") );
-        return;
+        return false;
     }
 
     GtkFileChooserAction gtk_action;
@@ -214,6 +228,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
                    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                    ok_btn_stock, GTK_RESPONSE_ACCEPT,
                    NULL);
+    g_object_ref(m_widget);
     GtkFileChooser* file_chooser = GTK_FILE_CHOOSER(m_widget);
 
     m_fc.SetWidget(file_chooser);
@@ -235,7 +250,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
     // local-only property could be set to false to allow non-local files to be
     // loaded. In that case get/set_uri(s) should be used instead of
     // get/set_filename(s) everywhere and the GtkFileChooserDialog should
-    // probably also be created with a backend, e.g "gnome-vfs", "default", ...
+    // probably also be created with a backend, e.g. "gnome-vfs", "default", ...
     // (gtk_file_chooser_dialog_new_with_backend). Currently local-only is kept
     // as the default - true:
     // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
@@ -243,16 +258,32 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
     g_signal_connect (m_widget, "response",
         G_CALLBACK (gtk_filedialog_response_callback), this);
 
+    g_signal_connect (m_widget, "selection-changed",
+        G_CALLBACK (gtk_filedialog_selchanged_callback), this);
+
+    // deal with extensions/filters
     SetWildcard(wildCard);
 
+    wxString defaultFileNameWithExt = defaultFileName;
+    if ( !wildCard.empty() && !defaultFileName.empty() &&
+            !wxFileName(defaultFileName).HasExt() )
+    {
+        // append the default extension to the initial file name: GTK won't do
+        // it for us by default (unlike e.g. MSW)
+        const wxString defaultExt = m_fc.GetCurrentWildCard().AfterFirst('.');
+        if ( defaultExt.find_first_of("?*") == wxString::npos )
+            defaultFileNameWithExt += "." + defaultExt;
+    }
+
+
     // if defaultDir is specified it should contain the directory and
     // defaultFileName should contain the default name of the file, however if
     // directory is not given, defaultFileName contains both
     wxFileName fn;
     if ( defaultDir.empty() )
-        fn.Assign(defaultFileName);
-    else if ( !defaultFileName.empty() )
-        fn.Assign(defaultDir, defaultFileName);
+        fn.Assign(defaultFileNameWithExt);
+    else if ( !defaultFileNameWithExt.empty() )
+        fn.Assign(defaultDir, defaultFileNameWithExt);
     else
         fn.AssignDir(defaultDir);
 
@@ -261,7 +292,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
     const wxString dir = fn.GetPath();
     if ( !dir.empty() )
     {
-        gtk_file_chooser_set_current_folder(file_chooser, dir.fn_str());
+        gtk_file_chooser_set_current_folder(file_chooser, wxGTK_CONV_FN(dir));
     }
 
     const wxString fname = fn.GetFullName();
@@ -269,12 +300,18 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
     {
         if ( !fname.empty() )
         {
-            gtk_file_chooser_set_current_name(file_chooser, fname.fn_str());
+            gtk_file_chooser_set_current_name(file_chooser, wxGTK_CONV_FN(fname));
         }
 
 #if GTK_CHECK_VERSION(2,7,3)
-        if ((style & wxFD_OVERWRITE_PROMPT) && !gtk_check_version(2,7,3))
+        if ((style & wxFD_OVERWRITE_PROMPT)
+#ifndef __WXGTK3__
+            && gtk_check_version(2,7,3) == NULL
+#endif
+            )
+        {
             gtk_file_chooser_set_do_overwrite_confirmation(file_chooser, true);
+        }
 #endif
     }
     else // wxFD_OPEN
@@ -282,7 +319,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
         if ( !fname.empty() )
         {
             gtk_file_chooser_set_filename(file_chooser,
-                                          fn.GetFullPath().fn_str());
+                                          wxGTK_CONV_FN(fn.GetFullPath()));
         }
     }
 
@@ -295,22 +332,43 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
                          G_CALLBACK(gtk_filedialog_update_preview_callback),
                          previewImage);
     }
+
+    return true;
+}
+
+wxFileDialog::~wxFileDialog()
+{
+    if (m_extraControl)
+    {
+        // get chooser to drop its reference right now, allowing wxWindow dtor
+        // to verify that ref count drops to zero
+        gtk_file_chooser_set_extra_widget(
+            GTK_FILE_CHOOSER(m_widget), NULL);
+    }
 }
 
 void wxFileDialog::OnFakeOk(wxCommandEvent& WXUNUSED(event))
 {
+    // Update the current directory from here, accessing it later may not work
+    // due to the strange way GtkFileChooser works.
+    wxGtkString
+        str(gtk_file_chooser_get_current_folder(GTK_FILE_CHOOSER(m_widget)));
+    m_dir = wxString::FromUTF8(str);
+
     EndDialog(wxID_OK);
 }
 
 int wxFileDialog::ShowModal()
 {
+    WX_HOOK_MODAL_DIALOG();
+
     CreateExtraControl();
 
     return wxDialog::ShowModal();
 }
 
-void wxFileDialog::DoSetSize(int WXUNUSED(x), int WXUNUSED(y), 
-                             int WXUNUSED(width), int WXUNUSED(height), 
+void wxFileDialog::DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
+                             int WXUNUSED(width), int WXUNUSED(height),
                              int WXUNUSED(sizeFlags))
 {
 }
@@ -344,40 +402,70 @@ void wxFileDialog::SetMessage(const wxString& message)
 
 void wxFileDialog::SetPath(const wxString& path)
 {
-    m_fc.SetPath( path );
+    wxFileDialogBase::SetPath(path);
+
+    // Don't do anything if no path is specified, in particular don't set the
+    // path to m_dir below as this would result in opening the dialog in the
+    // parent directory of this one instead of m_dir itself.
+    if ( path.empty() )
+        return;
+
+    // we need an absolute path for GTK native chooser so ensure that we have
+    // it: use the initial directory if it was set or just CWD otherwise (this
+    // is the default behaviour if m_dir is empty)
+    wxFileName fn(path);
+    fn.MakeAbsolute(m_dir);
+    m_fc.SetPath(fn.GetFullPath());
 }
 
 void wxFileDialog::SetDirectory(const wxString& dir)
 {
-    m_fc.SetDirectory( dir );
-}
+    wxFileDialogBase::SetDirectory(dir);
 
-wxString wxFileDialog::GetDirectory() const
-{
-    return m_fc.GetDirectory();
+    m_fc.SetDirectory(dir);
 }
 
 void wxFileDialog::SetFilename(const wxString& name)
 {
+    wxFileDialogBase::SetFilename(name);
+
     if (HasFdFlag(wxFD_SAVE))
+    {
         gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name));
+    }
+
     else
-        SetPath(wxFileName(GetDirectory(), name).GetFullPath());
+    {
+        wxString path( GetDirectory() );
+        if (path.empty())
+        {
+            // SetPath() fires an assert if fed other than filepaths
+            return;
+        }
+        SetPath(wxFileName(path, name).GetFullPath());
+    }
 }
 
 wxString wxFileDialog::GetFilename() const
 {
-    return m_fc.GetFilename();
+    wxString currentFilename( m_fc.GetFilename() );
+    if (currentFilename.empty())
+    {
+        // m_fc.GetFilename() will return empty until the dialog has been shown
+        // in which case use any previously provided value
+        currentFilename = m_fileName;
+    }
+    return currentFilename;
 }
 
 void wxFileDialog::SetWildcard(const wxString& wildCard)
 {
-    m_fc.SetWildcard( wildCard );
+    wxFileDialogBase::SetWildcard(wildCard);
+    m_fc.SetWildcard( GetWildcard() );
 }
 
 void wxFileDialog::SetFilterIndex(int filterIndex)
 {
-
     m_fc.SetFilterIndex( filterIndex);
 }
 
@@ -386,4 +474,12 @@ int wxFileDialog::GetFilterIndex() const
     return m_fc.GetFilterIndex();
 }
 
-#endif // wxUSE_FILEDLG 
+void wxFileDialog::GTKSelectionChanged(const wxString& filename)
+{
+    m_currentlySelectedFilename = filename;
+
+    if (m_extraControl)
+        m_extraControl->UpdateWindowUI(wxUPDATE_UI_RECURSE);
+}
+
+#endif // wxUSE_FILEDLG