| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: panelg.cpp |
| 3 | // Purpose: wxPanel |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart and Markus Holzem |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "panelg.h" |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #ifdef __BORLANDC__ |
| 20 | #pragma hdrstop |
| 21 | #endif |
| 22 | |
| 23 | #ifndef WX_PRECOMP |
| 24 | #include "wx/object.h" |
| 25 | #include "wx/font.h" |
| 26 | #include "wx/colour.h" |
| 27 | #include "wx/settings.h" |
| 28 | #endif |
| 29 | |
| 30 | #include "wx/generic/panelg.h" |
| 31 | |
| 32 | #if !USE_SHARED_LIBRARY |
| 33 | IMPLEMENT_DYNAMIC_CLASS(wxPanel, wxWindow) |
| 34 | |
| 35 | BEGIN_EVENT_TABLE(wxPanel, wxWindow) |
| 36 | EVT_SYS_COLOUR_CHANGED(wxPanel::OnSysColourChanged) |
| 37 | EVT_SET_FOCUS(wxPanel::OnFocus) |
| 38 | EVT_NAVIGATION_KEY(wxPanel::OnNavigationKey) |
| 39 | END_EVENT_TABLE() |
| 40 | |
| 41 | #endif |
| 42 | |
| 43 | void wxPanel::Init() |
| 44 | { |
| 45 | m_winLastFocused = (wxWindow *)NULL; |
| 46 | m_btnDefault = (wxButton *)NULL; |
| 47 | } |
| 48 | |
| 49 | bool wxPanel::Create(wxWindow *parent, wxWindowID id, |
| 50 | const wxPoint& pos, |
| 51 | const wxSize& size, |
| 52 | long style, |
| 53 | const wxString& name) |
| 54 | { |
| 55 | bool ret = wxWindow::Create(parent, id, pos, size, style, name); |
| 56 | |
| 57 | if ( ret ) |
| 58 | { |
| 59 | #ifndef __WXGTK__ |
| 60 | SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); |
| 61 | SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); |
| 62 | #endif |
| 63 | } |
| 64 | |
| 65 | return ret; |
| 66 | } |
| 67 | |
| 68 | void wxPanel::InitDialog(void) |
| 69 | { |
| 70 | wxInitDialogEvent event(GetId()); |
| 71 | event.SetEventObject(this); |
| 72 | GetEventHandler()->ProcessEvent(event); |
| 73 | } |
| 74 | |
| 75 | // Responds to colour changes, and passes event on to children. |
| 76 | void wxPanel::OnSysColourChanged(wxSysColourChangedEvent& event) |
| 77 | { |
| 78 | SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); |
| 79 | Refresh(); |
| 80 | |
| 81 | // Propagate the event to the non-top-level children |
| 82 | wxWindow::OnSysColourChanged(event); |
| 83 | } |
| 84 | |
| 85 | void wxPanel::OnNavigationKey( wxNavigationKeyEvent& event ) |
| 86 | { |
| 87 | // there is not much to do if we have only one child (or not at all) |
| 88 | if (GetChildren().GetCount() < 2) |
| 89 | { |
| 90 | event.Skip(); |
| 91 | return; |
| 92 | } |
| 93 | |
| 94 | // don't process these ones here |
| 95 | if (event.IsWindowChange()) |
| 96 | { |
| 97 | event.Skip(); |
| 98 | return; |
| 99 | } |
| 100 | |
| 101 | wxWindow *winFocus = event.GetCurrentFocus(); |
| 102 | if (!winFocus) |
| 103 | winFocus = wxWindow::FindFocus(); |
| 104 | |
| 105 | if (!winFocus) |
| 106 | { |
| 107 | event.Skip(); |
| 108 | return; |
| 109 | } |
| 110 | |
| 111 | wxWindowList::Node *start_node = GetChildren().Find( winFocus ); |
| 112 | if (!start_node) |
| 113 | start_node = GetChildren().GetFirst(); |
| 114 | |
| 115 | wxWindowList::Node *node = event.GetDirection() ? start_node->GetNext() |
| 116 | : start_node->GetPrevious(); |
| 117 | |
| 118 | while (node != start_node) |
| 119 | { |
| 120 | if (!node) |
| 121 | { |
| 122 | node = event.GetDirection() ? GetChildren().GetFirst() |
| 123 | : GetChildren().GetLast(); |
| 124 | |
| 125 | continue; |
| 126 | } |
| 127 | |
| 128 | wxWindow *child = node->GetData(); |
| 129 | |
| 130 | if (child->AcceptsFocus()) |
| 131 | { |
| 132 | // ok, event processed |
| 133 | child->SetFocus(); |
| 134 | return; |
| 135 | } |
| 136 | |
| 137 | node = event.GetDirection() ? node->GetNext() : node->GetPrevious(); |
| 138 | } |
| 139 | |
| 140 | // we cycled through all of our children and none of them wanted to accept |
| 141 | // focus |
| 142 | event.Skip(); |
| 143 | } |
| 144 | |
| 145 | void wxPanel::OnFocus(wxFocusEvent& event) |
| 146 | { |
| 147 | if ( m_winLastFocused ) |
| 148 | { |
| 149 | // it might happen that the window got reparented... |
| 150 | if ( m_winLastFocused->GetParent() != this ) |
| 151 | m_winLastFocused = (wxWindow *)NULL; |
| 152 | else |
| 153 | m_winLastFocused->SetFocus(); |
| 154 | } |
| 155 | else |
| 156 | event.Skip(); |
| 157 | } |