| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: dialog.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #ifdef __GNUG__ |
| 11 | #pragma implementation "dialog.h" |
| 12 | #endif |
| 13 | |
| 14 | #include "wx/dialog.h" |
| 15 | #include "wx/frame.h" |
| 16 | #include "wx/app.h" |
| 17 | #include "wx/cursor.h" |
| 18 | |
| 19 | #include <gdk/gdk.h> |
| 20 | #include <gtk/gtk.h> |
| 21 | #include <gdk/gdkkeysyms.h> |
| 22 | |
| 23 | #include "wx/gtk/win_gtk.h" |
| 24 | |
| 25 | //----------------------------------------------------------------------------- |
| 26 | // idle system |
| 27 | //----------------------------------------------------------------------------- |
| 28 | |
| 29 | extern void wxapp_install_idle_handler(); |
| 30 | extern bool g_isIdle; |
| 31 | extern int g_openDialogs; |
| 32 | |
| 33 | |
| 34 | |
| 35 | //----------------------------------------------------------------------------- |
| 36 | // wxDialog |
| 37 | //----------------------------------------------------------------------------- |
| 38 | |
| 39 | BEGIN_EVENT_TABLE(wxDialog,wxDialogBase) |
| 40 | EVT_BUTTON (wxID_OK, wxDialog::OnOK) |
| 41 | EVT_BUTTON (wxID_CANCEL, wxDialog::OnCancel) |
| 42 | EVT_BUTTON (wxID_APPLY, wxDialog::OnApply) |
| 43 | EVT_CLOSE (wxDialog::OnCloseWindow) |
| 44 | END_EVENT_TABLE() |
| 45 | |
| 46 | IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxTopLevelWindow) |
| 47 | |
| 48 | void wxDialog::Init() |
| 49 | { |
| 50 | m_returnCode = 0; |
| 51 | m_sizeSet = FALSE; |
| 52 | m_modalShowing = FALSE; |
| 53 | m_themeEnabled = TRUE; |
| 54 | } |
| 55 | |
| 56 | wxDialog::wxDialog( wxWindow *parent, |
| 57 | wxWindowID id, const wxString &title, |
| 58 | const wxPoint &pos, const wxSize &size, |
| 59 | long style, const wxString &name ) |
| 60 | { |
| 61 | Init(); |
| 62 | |
| 63 | (void)Create( parent, id, title, pos, size, style, name ); |
| 64 | } |
| 65 | |
| 66 | bool wxDialog::Create( wxWindow *parent, |
| 67 | wxWindowID id, const wxString &title, |
| 68 | const wxPoint &pos, const wxSize &size, |
| 69 | long style, const wxString &name ) |
| 70 | { |
| 71 | SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG); |
| 72 | |
| 73 | // all dialogs should have tab traversal enabled |
| 74 | style |= wxTAB_TRAVERSAL; |
| 75 | |
| 76 | return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name); |
| 77 | } |
| 78 | |
| 79 | void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) ) |
| 80 | { |
| 81 | if (Validate()) |
| 82 | TransferDataFromWindow(); |
| 83 | } |
| 84 | |
| 85 | void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) ) |
| 86 | { |
| 87 | if (IsModal()) |
| 88 | { |
| 89 | EndModal(wxID_CANCEL); |
| 90 | } |
| 91 | else |
| 92 | { |
| 93 | SetReturnCode(wxID_CANCEL); |
| 94 | Show(FALSE); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) ) |
| 99 | { |
| 100 | if (Validate() && TransferDataFromWindow()) |
| 101 | { |
| 102 | if (IsModal()) |
| 103 | { |
| 104 | EndModal(wxID_OK); |
| 105 | } |
| 106 | else |
| 107 | { |
| 108 | SetReturnCode(wxID_OK); |
| 109 | Show(FALSE); |
| 110 | } |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) ) |
| 115 | { |
| 116 | // yes |
| 117 | } |
| 118 | |
| 119 | void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) |
| 120 | { |
| 121 | // We'll send a Cancel message by default, |
| 122 | // which may close the dialog. |
| 123 | // Check for looping if the Cancel event handler calls Close(). |
| 124 | |
| 125 | // Note that if a cancel button and handler aren't present in the dialog, |
| 126 | // nothing will happen when you close the dialog via the window manager, or |
| 127 | // via Close(). |
| 128 | // We wouldn't want to destroy the dialog by default, since the dialog may have been |
| 129 | // created on the stack. |
| 130 | // However, this does mean that calling dialog->Close() won't delete the dialog |
| 131 | // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be |
| 132 | // sure to destroy the dialog. |
| 133 | // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog. |
| 134 | |
| 135 | static wxList s_closing; |
| 136 | |
| 137 | if (s_closing.Member(this)) |
| 138 | return; // no loops |
| 139 | |
| 140 | s_closing.Append(this); |
| 141 | |
| 142 | wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); |
| 143 | cancelEvent.SetEventObject( this ); |
| 144 | GetEventHandler()->ProcessEvent(cancelEvent); |
| 145 | s_closing.DeleteObject(this); |
| 146 | } |
| 147 | |
| 148 | bool wxDialog::Show( bool show ) |
| 149 | { |
| 150 | if (!show && IsModal()) |
| 151 | { |
| 152 | EndModal( wxID_CANCEL ); |
| 153 | } |
| 154 | |
| 155 | if (show && !m_sizeSet) |
| 156 | { |
| 157 | /* by calling GtkOnSize here, we don't have to call |
| 158 | either after showing the frame, which would entail |
| 159 | much ugly flicker nor from within the size_allocate |
| 160 | handler, because GTK 1.1.X forbids that. */ |
| 161 | |
| 162 | GtkOnSize( m_x, m_y, m_width, m_height ); |
| 163 | } |
| 164 | |
| 165 | bool ret = wxWindow::Show( show ); |
| 166 | |
| 167 | if (show) InitDialog(); |
| 168 | |
| 169 | return ret; |
| 170 | } |
| 171 | |
| 172 | bool wxDialog::IsModal() const |
| 173 | { |
| 174 | return m_modalShowing; |
| 175 | } |
| 176 | |
| 177 | void wxDialog::SetModal( bool WXUNUSED(flag) ) |
| 178 | { |
| 179 | /* |
| 180 | if (flag) |
| 181 | m_windowStyle |= wxDIALOG_MODAL; |
| 182 | else |
| 183 | if (m_windowStyle & wxDIALOG_MODAL) m_windowStyle -= wxDIALOG_MODAL; |
| 184 | */ |
| 185 | wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") ); |
| 186 | } |
| 187 | |
| 188 | int wxDialog::ShowModal() |
| 189 | { |
| 190 | if (IsModal()) |
| 191 | { |
| 192 | wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") ); |
| 193 | return GetReturnCode(); |
| 194 | } |
| 195 | |
| 196 | // use the apps top level window as parent if none given unless explicitly |
| 197 | // forbidden |
| 198 | if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) ) |
| 199 | { |
| 200 | wxWindow *parent = wxTheApp->GetTopWindow(); |
| 201 | if ( parent && |
| 202 | parent != this && |
| 203 | parent->IsBeingDeleted() && |
| 204 | !(parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ) |
| 205 | { |
| 206 | m_parent = parent; |
| 207 | gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(parent->m_widget) ); |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | wxBusyCursorSuspender cs; // temporarily suppress the busy cursor |
| 212 | |
| 213 | Show( TRUE ); |
| 214 | |
| 215 | m_modalShowing = TRUE; |
| 216 | |
| 217 | g_openDialogs++; |
| 218 | |
| 219 | gtk_grab_add( m_widget ); |
| 220 | gtk_main(); |
| 221 | gtk_grab_remove( m_widget ); |
| 222 | |
| 223 | g_openDialogs--; |
| 224 | |
| 225 | return GetReturnCode(); |
| 226 | } |
| 227 | |
| 228 | void wxDialog::EndModal( int retCode ) |
| 229 | { |
| 230 | SetReturnCode( retCode ); |
| 231 | |
| 232 | if (!IsModal()) |
| 233 | { |
| 234 | wxFAIL_MSG( wxT("wxDialog:EndModal called twice") ); |
| 235 | return; |
| 236 | } |
| 237 | |
| 238 | m_modalShowing = FALSE; |
| 239 | |
| 240 | gtk_main_quit(); |
| 241 | |
| 242 | Show( FALSE ); |
| 243 | } |