X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e6688c3fd28581a9f438cb2c56030e107593bb5e..dbcbe229628c7667da2b6257198467d4f09ab28d:/src/common/framecmn.cpp diff --git a/src/common/framecmn.cpp b/src/common/framecmn.cpp index e76404c9c9..318b662f28 100644 --- a/src/common/framecmn.cpp +++ b/src/common/framecmn.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: framecmn.cpp +// Name: common/framecmn.cpp // Purpose: common (for all platforms) wxFrame functions // Author: Julian Smart, Vadim Zeitlin // Created: 01/02/97 @@ -8,64 +8,537 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#ifdef __GNUG__ + #pragma implementation "framebase.h" +#endif + // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#include "wx/frame.h" -#include "wx/menu.h" +#ifndef WX_PRECOMP + #include "wx/frame.h" + #include "wx/menu.h" + #include "wx/menuitem.h" + #include "wx/dcclient.h" +#endif // WX_PRECOMP + +#if wxUSE_TOOLBAR + #include "wx/toolbar.h" +#endif +#if wxUSE_STATUSBAR + #include "wx/statusbr.h" +#endif + +// ---------------------------------------------------------------------------- +// event table +// ---------------------------------------------------------------------------- + +BEGIN_EVENT_TABLE(wxFrameBase, wxWindow) + EVT_IDLE(wxFrameBase::OnIdle) + EVT_CLOSE(wxFrameBase::OnCloseWindow) + EVT_MENU_HIGHLIGHT_ALL(wxFrameBase::OnMenuHighlight) + EVT_SIZE(wxFrameBase::OnSize) +END_EVENT_TABLE() + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// construction/destruction +// ---------------------------------------------------------------------------- -// wxGTK is a special case because it doesn't use the generic wxMenuItem -// class, but it's own (already defined in wx/menu.h) one -#ifndef __WXGTK__ - #include "wx/menuitem.h" -#endif //WXGTK +wxFrameBase::wxFrameBase() +{ +#if wxUSE_MENUS + m_frameMenuBar = NULL; +#endif // wxUSE_MENUS + +#if wxUSE_TOOLBAR + m_frameToolBar = NULL; +#endif // wxUSE_TOOLBAR + +#if wxUSE_STATUSBAR + m_frameStatusBar = NULL; +#endif // wxUSE_STATUSBAR +} -void wxFrame::OnIdle(wxIdleEvent& WXUNUSED(event) ) +bool wxFrameBase::Destroy() { - DoMenuUpdates(); + // delayed destruction: the frame will be deleted during the next idle + // loop iteration + if ( !wxPendingDelete.Member(this) ) + wxPendingDelete.Append(this); + + return TRUE; } +wxFrame *wxFrameBase::New(wxWindow *parent, + wxWindowID id, + const wxString& title, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name) +{ + return new wxFrame(parent, id, title, pos, size, style, name); +} + +void wxFrameBase::DeleteAllBars() +{ +#if wxUSE_MENUS + if ( m_frameMenuBar ) + { + delete m_frameMenuBar; + m_frameMenuBar = (wxMenuBar *) NULL; + } +#endif // wxUSE_MENUS + +#if wxUSE_STATUSBAR + if ( m_frameStatusBar ) + { + delete m_frameStatusBar; + m_frameStatusBar = (wxStatusBar *) NULL; + } +#endif // wxUSE_STATUSBAR + +#if wxUSE_TOOLBAR + if ( m_frameToolBar ) + { + delete m_frameToolBar; + m_frameToolBar = (wxToolBar *) NULL; + } +#endif // wxUSE_TOOLBAR +} + +bool wxFrameBase::IsOneOfBars(const wxWindow *win) const +{ +#if wxUSE_MENUS + if ( win == GetMenuBar() ) + return TRUE; +#endif // wxUSE_MENUS + +#if wxUSE_STATUSBAR + if ( win == GetStatusBar() ) + return TRUE; +#endif // wxUSE_STATUSBAR + +#if wxUSE_TOOLBAR + if ( win == GetToolBar() ) + return TRUE; +#endif // wxUSE_TOOLBAR + + return FALSE; +} + +// ---------------------------------------------------------------------------- +// wxFrame size management: we exclude the areas taken by menu/status/toolbars +// from the client area, so the client area is what's really available for the +// frame contents +// ---------------------------------------------------------------------------- + +// get the origin of the client area in the client coordinates +wxPoint wxFrameBase::GetClientAreaOrigin() const +{ + wxPoint pt(0, 0); + +#if wxUSE_TOOLBAR + if ( GetToolBar() && GetToolBar()->IsShown() ) + { + int w, h; + GetToolBar()->GetSize(& w, & h); + + if ( GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL ) + { + pt.x += w; + } + else + { + pt.y += h; + } + } +#endif // wxUSE_TOOLBAR + + return pt; +} + +void wxFrameBase::DoScreenToClient(int *x, int *y) const +{ + wxWindow::DoScreenToClient(x, y); + + // We may be faking the client origin. + // So a window that's really at (0, 30) may appear + // (to wxWin apps) to be at (0, 0). + wxPoint pt(GetClientAreaOrigin()); + *x -= pt.x; + *y -= pt.y; +} + +void wxFrameBase::DoClientToScreen(int *x, int *y) const +{ + // We may be faking the client origin. + // So a window that's really at (0, 30) may appear + // (to wxWin apps) to be at (0, 0). + wxPoint pt1(GetClientAreaOrigin()); + *x += pt1.x; + *y += pt1.y; + + wxWindow::DoClientToScreen(x, y); +} + +// ---------------------------------------------------------------------------- +// misc +// ---------------------------------------------------------------------------- + +// make the window modal (all other windows unresponsive) +void wxFrameBase::MakeModal(bool modal) +{ + if ( modal ) + { + wxEnableTopLevelWindows(FALSE); + Enable(TRUE); // keep this window enabled + } + else + { + wxEnableTopLevelWindows(TRUE); + } +} + +bool wxFrameBase::ProcessCommand(int id) +{ +#if wxUSE_MENUS + wxMenuBar *bar = GetMenuBar(); + if ( !bar ) + return FALSE; + + wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id); + commandEvent.SetEventObject(this); + + wxMenuItem *item = bar->FindItem(id); + if ( item && item->IsCheckable() ) + { + item->Toggle(); + + // use the new value + commandEvent.SetInt(item->IsChecked()); + } + + return GetEventHandler()->ProcessEvent(commandEvent); +#else // !wxUSE_MENUS + return FALSE; +#endif // wxUSE_MENUS/!wxUSE_MENUS +} + +// ---------------------------------------------------------------------------- +// event handlers +// ---------------------------------------------------------------------------- + +// default resizing behaviour - if only ONE subwindow, resize to fill the +// whole client area +void wxFrameBase::OnSize(wxSizeEvent& WXUNUSED(event)) +{ + // if we're using constraints - do use them +#if wxUSE_CONSTRAINTS + if ( GetAutoLayout() ) + { + Layout(); + } + else +#endif // wxUSE_CONSTRAINTS + { + // do we have _exactly_ one child? + wxWindow *child = (wxWindow *)NULL; + for ( wxWindowList::Node *node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + wxWindow *win = node->GetData(); + + // exclude top level and managed windows (status bar isn't + // currently in the children list except under wxMac anyhow, but + // it makes no harm to test for it) + if ( !win->IsTopLevel() && !IsOneOfBars(win) ) + { + if ( child ) + { + return; // it's our second subwindow - nothing to do + } + + child = win; + } + } + + // do we have any children at all? + if ( child ) + { + // exactly one child - set it's size to fill the whole frame + int clientW, clientH; + DoGetClientSize(&clientW, &clientH); + + // for whatever reasons, wxGTK wants to have a small offset - it + // probably looks better with it? +#ifdef __WXGTK__ + static const int ofs = 1; +#else + static const int ofs = 0; +#endif + + child->SetSize(ofs, ofs, clientW - 2*ofs, clientH - 2*ofs); + } + } +} + +// The default implementation for the close window event. +void wxFrameBase::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) +{ + Destroy(); +} + +void wxFrameBase::OnMenuHighlight(wxMenuEvent& event) +{ +#if wxUSE_STATUSBAR + (void)ShowMenuHelp(GetStatusBar(), event.GetMenuId()); +#endif // wxUSE_STATUSBAR +} + +bool wxFrameBase::SendIconizeEvent(bool iconized) +{ + wxIconizeEvent event(GetId(), iconized); + event.SetEventObject(this); + + return GetEventHandler()->ProcessEvent(event); +} + +void wxFrameBase::OnIdle(wxIdleEvent& WXUNUSED(event) ) +{ +#if wxUSE_MENUS + DoMenuUpdates(); +#endif // wxUSE_MENUS +} + +// ---------------------------------------------------------------------------- +// status bar stuff +// ---------------------------------------------------------------------------- + +#if wxUSE_STATUSBAR + +wxStatusBar* wxFrameBase::CreateStatusBar(int number, + long style, + wxWindowID id, + const wxString& name) +{ + // the main status bar can only be created once (or else it should be + // deleted before calling CreateStatusBar() again) + wxCHECK_MSG( !m_frameStatusBar, (wxStatusBar *)NULL, + wxT("recreating status bar in wxFrame") ); + + m_frameStatusBar = OnCreateStatusBar( number, style, id, name ); + if ( m_frameStatusBar ) + PositionStatusBar(); + + return m_frameStatusBar; +} + +wxStatusBar *wxFrameBase::OnCreateStatusBar(int number, + long style, + wxWindowID id, + const wxString& name) +{ + wxStatusBar *statusBar = new wxStatusBar(this, id, style, name); + + // Set the height according to the font and the border size + wxClientDC dc(statusBar); + dc.SetFont(statusBar->GetFont()); + + wxCoord y; + dc.GetTextExtent( "X", NULL, &y ); + + int height = (int)( (11*y)/10 + 2*statusBar->GetBorderY()); + + statusBar->SetSize( -1, -1, -1, height ); + + statusBar->SetFieldsCount(number); + + return statusBar; +} + +void wxFrameBase::SetStatusText(const wxString& text, int number) +{ + wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set text for") ); + + m_frameStatusBar->SetStatusText(text, number); +} + +void wxFrameBase::SetStatusWidths(int n, const int widths_field[] ) +{ + wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set widths for") ); + + m_frameStatusBar->SetStatusWidths(n, widths_field); + + PositionStatusBar(); +} + +bool wxFrameBase::ShowMenuHelp(wxStatusBar *statbar, int menuId) +{ +#if wxUSE_MENUS + if ( !statbar ) + return FALSE; + + // if no help string found, we will clear the status bar text + wxString helpString; + + if ( menuId != wxID_SEPARATOR && menuId != -2 /* wxID_TITLE */ ) + { + wxMenuBar *menuBar = GetMenuBar(); + if ( menuBar ) + { + // it's ok if we don't find the item because it might belong + // to the popup menu + wxMenuItem *item = menuBar->FindItem(menuId); + if ( item ) + helpString = item->GetHelp(); + } + } + + // set status text even if the string is empty - this will at least + // remove the string from the item which was previously selected + statbar->SetStatusText(helpString); + + return !helpString.IsEmpty(); +#else // !wxUSE_MENUS + return FALSE; +#endif // wxUSE_MENUS/!wxUSE_MENUS +} + +#endif // wxUSE_STATUSBAR + +// ---------------------------------------------------------------------------- +// toolbar stuff +// ---------------------------------------------------------------------------- + +#if wxUSE_TOOLBAR + +wxToolBar* wxFrameBase::CreateToolBar(long style, + wxWindowID id, + const wxString& name) +{ + // the main toolbar can't be recreated (unless it was explicitly deeleted + // before) + wxCHECK_MSG( !m_frameToolBar, (wxToolBar *)NULL, + wxT("recreating toolbar in wxFrame") ); + + m_frameToolBar = OnCreateToolBar(style, id, name); + + return m_frameToolBar; +} + +wxToolBar* wxFrameBase::OnCreateToolBar(long style, + wxWindowID id, + const wxString& name) +{ + return new wxToolBar(this, id, + wxDefaultPosition, wxDefaultSize, + style, name); +} + +#endif // wxUSE_TOOLBAR + +// ---------------------------------------------------------------------------- +// menus +// ---------------------------------------------------------------------------- + +#if wxUSE_MENUS + // update all menus -void wxFrame::DoMenuUpdates() +void wxFrameBase::DoMenuUpdates() { - wxMenuBar* bar = GetMenuBar(); - if ( bar != NULL ) { - int nCount = bar->GetMenuCount(); - for (int n = 0; n < nCount; n++) - DoMenuUpdates(bar->GetMenu(n)); - } + wxMenuBar* bar = GetMenuBar(); + +#ifdef __WXMSW__ + wxWindow* focusWin = wxFindFocusDescendant((wxWindow*) this); +#else + wxWindow* focusWin = (wxWindow*) NULL; +#endif + if ( bar != NULL ) + { + int nCount = bar->GetMenuCount(); + for (int n = 0; n < nCount; n++) + DoMenuUpdates(bar->GetMenu(n), focusWin); + } } // update a menu and all submenus recursively -void wxFrame::DoMenuUpdates(wxMenu* menu) +void wxFrameBase::DoMenuUpdates(wxMenu* menu, wxWindow* focusWin) { - wxNode* node = menu->GetItems().First(); - while (node) - { - wxMenuItem* item = (wxMenuItem*) node->Data(); - if ( !item->IsSeparator() ) + wxEvtHandler* evtHandler = focusWin ? focusWin->GetEventHandler() : GetEventHandler(); + wxMenuItemList::Node* node = menu->GetMenuItems().GetFirst(); + while (node) { - wxWindowID id = item->GetId(); - wxUpdateUIEvent event(id); - event.SetEventObject( this ); - - if (GetEventHandler()->ProcessEvent(event)) - { - if (event.GetSetText()) - menu->SetLabel(id, event.GetText()); - if (event.GetSetChecked()) - menu->Check(id, event.GetChecked()); - if (event.GetSetEnabled()) - menu->Enable(id, event.GetEnabled()); - } - - if (item->GetSubMenu()) - DoMenuUpdates(item->GetSubMenu()); + wxMenuItem* item = node->GetData(); + if ( !item->IsSeparator() ) + { + wxWindowID id = item->GetId(); + wxUpdateUIEvent event(id); + event.SetEventObject( this ); + + if (evtHandler->ProcessEvent(event)) + { + if (event.GetSetText()) + menu->SetLabel(id, event.GetText()); + if (event.GetSetChecked()) + menu->Check(id, event.GetChecked()); + if (event.GetSetEnabled()) + menu->Enable(id, event.GetEnabled()); + } + + if (item->GetSubMenu()) + DoMenuUpdates(item->GetSubMenu(), (wxWindow*) NULL); + } + node = node->GetNext(); } - node = node->Next(); - } } + +void wxFrameBase::DetachMenuBar() +{ + if ( m_frameMenuBar ) + { + m_frameMenuBar->Detach(); + m_frameMenuBar = NULL; + } +} + +void wxFrameBase::AttachMenuBar(wxMenuBar *menubar) +{ + if ( menubar ) + { + m_frameMenuBar = menubar; + menubar->Attach((wxFrame *)this); + } +} + +void wxFrameBase::SetMenuBar(wxMenuBar *menubar) +{ + if ( menubar == GetMenuBar() ) + { + // nothing to do + return; + } + + DetachMenuBar(); + + AttachMenuBar(menubar); +} + +#endif // wxUSE_MENUS