X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3c1f8cb1f5cbef0f7699110fd28027948e644c6f..ad7922b8aaf4aea61c4a364887fc89b0548a6047:/src/gtk/collpane.cpp?ds=sidebyside diff --git a/src/gtk/collpane.cpp b/src/gtk/collpane.cpp index 263306affc..a902d113a3 100644 --- a/src/gtk/collpane.cpp +++ b/src/gtk/collpane.cpp @@ -17,37 +17,27 @@ // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" -#ifdef __WXGTK24__ +#if wxUSE_COLLPANE && !defined(__WXUNIVERSAL__) #include "wx/collpane.h" -#include -#include +#include "wx/toplevel.h" +#include "wx/sizer.h" +#include "wx/panel.h" -// ============================================================================ -// implementation -// ============================================================================ - - -/* DEBUG TIMER */ -class myTimer : public wxTimer -{ - wxCollapsiblePane *p; +#include "wx/gtk/private.h" -public: - myTimer(wxCollapsiblePane *pp) {p=pp;} +// the lines below duplicate the same definitions in collpaneg.cpp, if we have +// another implementation of this class we should extract them to a common file - void Notify() - { - //wxLogDebug(wxT("%d"), p->IsCollapsed()); - - wxSize sz = p->GetBestSize(); - wxLogDebug(wxT("our best size is now: %d-%d"), sz.GetWidth(), sz.GetHeight()); - } -}; +const char wxCollapsiblePaneNameStr[] = "collapsiblePane"; +wxDEFINE_EVENT( wxEVT_COMMAND_COLLPANE_CHANGED, wxCollapsiblePaneEvent ); +IMPLEMENT_DYNAMIC_CLASS(wxCollapsiblePaneEvent, wxCommandEvent) -const wxChar wxCollapsiblePaneNameStr[] = wxT("CollapsiblePane"); +// ============================================================================ +// implementation +// ============================================================================ //----------------------------------------------------------------------------- // "notify::expanded" signal @@ -55,84 +45,97 @@ const wxChar wxCollapsiblePaneNameStr[] = wxT("CollapsiblePane"); extern "C" { -static void gtk_collapsiblepane_expanded_callback (GObject *object, - GParamSpec *param_spec, - wxCollapsiblePane *p) +static void +gtk_collapsiblepane_expanded_callback(GObject * WXUNUSED(object), + GParamSpec * WXUNUSED(param_spec), + wxCollapsiblePane *p) { - // NB: unlike for the "activate" signal, when this callback is called, if we try to - // query the "collapsed" status through p->IsCollapsed(), we get the right value. - // I.e. here p->IsCollapsed() will return false if this callback has been called - // at the end of a collapsed->expanded transition and viceversa. - // Inside the "activate" signal callback p->IsCollapsed() would return the wrong value! - - wxLogDebug("gtk_collapsiblepane_expanded_callback - IsCollapsed says %d", p->IsCollapsed()); + // NB: unlike for the "activate" signal, when this callback is called, if + // we try to query the "collapsed" status through p->IsCollapsed(), we + // get the right value. I.e. here p->IsCollapsed() will return false if + // this callback has been called at the end of a collapsed->expanded + // transition and viceversa. Inside the "activate" signal callback + // p->IsCollapsed() would return the wrong value! wxSize sz; - if (!p->IsCollapsed()) + if ( p->IsExpanded() ) { - // unfortunately there's no clean way to retrieve the minimal size of the expanded pane - // in this handler or in other handlers for the signals generated by user clicks on the - // GtkExpander button: p->GetBestSize() or p->GetMinSize() would still return the size for - // the collapsed expander even if the collapsed->expanded transition has already been - // completed (this because GTK+ queues some resize calls which still must be processed). - // So, the only solution to correctly set the size hints for this window is to calculate - // the expanded size ourselves, without relying on p->Get[Best|Min]Size: - sz = p->GetMinSize(); - sz.SetWidth( wxMax(sz.GetWidth(), p->GetPane()->GetMinSize().GetWidth()) ); - sz.SetHeight( sz.GetHeight() + p->GetPane()->GetMinSize().GetHeight() + 10 ); + // NB: we cannot use the p->GetBestSize() or p->GetMinSize() functions + // here as they would return the size for the collapsed expander + // even if the collapsed->expanded transition has already been + // completed; we solve this problem doing: + + sz = p->m_szCollapsed; + + wxSize panesz = p->GetPane()->GetBestSize(); + sz.x = wxMax(sz.x, panesz.x); + sz.y += gtk_expander_get_spacing(GTK_EXPANDER(p->m_widget)) + panesz.y; } - else + else // collapsed { - // same problem described above: using p->Get[Best|Min]Size() here we would get the size - // of the control when it is expanded even if the expanded->collapsed transition should be - // complete now... + // same problem described above: using p->Get[Best|Min]Size() here we + // would get the size of the control when it is expanded even if the + // expanded->collapsed transition should be complete now... // So, we use the size cached at control-creation time... sz = p->m_szCollapsed; } - wxLogDebug(wxT("gtk_collapsiblepane_expanded_callback - my min size is now: %d-%d"), - sz.GetWidth(), sz.GetHeight()); - - // minimal size has priority over the best size so set here our min size + // VERY IMPORTANT: + // just calling + // p->OnStateChange(sz); + // here would work work BUT: + // 1) in the expanded->collapsed transition it provokes a lot of flickering + // 2) in the collapsed->expanded transition using the "Change status" wxButton + // in samples/collpane application some strange warnings would be generated + // by the "clearlooks" theme, if that's your theme. + // + // So we prefer to use some GTK+ native optimized calls, which prevent too many resize + // calculations to happen. Note that the following code has been very carefully designed + // and tested - be VERY careful when changing it! + + // 1) need to update our size hints + // NB: this function call won't actually do any long operation + // (redraw/relayout/resize) so that it's flicker-free p->SetMinSize(sz); - p->SetSize(sz); - wxWindow *top = p->GetTopLevelParent(); - if (top) + if (p->HasFlag(wxCP_NO_TLW_RESIZE)) { - // we've changed our size, thus our top level parent needs to relayout itself - top->Layout(); - - // FIXME: this makes wxGenericCollapsiblePane behave as the user expect but - // maybe there are cases where this is unwanted! - if (top->GetSizer()) -#ifdef __WXGTK__ - // FIXME: the SetSizeHints() call would be required also for GTK+ for the - // expanded->collapsed transition. - // Unfortunately if we enable this line, then the GTK+ top window - // won't always be resized by the SetClientSize() call below! - // As a side effect of this dirty fix, the minimal size for the - // pane window is not set in GTK+ and the user can hide it shrinking - // the "top" window... - if (p->IsCollapsed()) -#endif - top->GetSizer()->SetSizeHints(top); + // fire an event + wxCollapsiblePaneEvent ev(p, p->GetId(), p->IsCollapsed()); + p->HandleWindowEvent(ev); + + // the user asked to explicitly handle the resizing itself... + return; + } + + wxTopLevelWindow * + top = wxDynamicCast(wxGetTopLevelParent(p), wxTopLevelWindow); + if ( top && top->GetSizer() ) + { + // 2) recalculate minimal size of the top window + sz = top->GetSizer()->CalcMin(); - if (p->IsCollapsed()) + if (top->m_mainWidget) { - // NB: we need to use SetClientSize() and not SetSize() otherwise the size for - // windows like e.g. wxFrames with wxMenubars won't be correctly set + // 3) MAGIC HACK: if you ever used GtkExpander in a GTK+ program + // you know that this magic call is required to make it possible + // to shrink the top level window in the expanded->collapsed + // transition. This may be sometimes undesired but *is* + // necessary and if you look carefully, all GTK+ programs using + // GtkExpander perform this trick (e.g. the standard "open file" + // dialog of GTK+>=2.4 is not resizable when the expander is + // collapsed!) + gtk_window_set_resizable (GTK_WINDOW (top->m_widget), p->IsExpanded()); + + // 4) set size hints + top->SetMinClientSize(sz); + + // 5) set size top->SetClientSize(sz); } - else - { - // force our parent to "fit", i.e. expand so that it can honour - // our minimal size - top->Fit(); - } } - if (p->m_bIgnoreNextChange) + if ( p->m_bIgnoreNextChange ) { // change generated programmatically - do not send an event! p->m_bIgnoreNextChange = false; @@ -141,135 +144,117 @@ static void gtk_collapsiblepane_expanded_callback (GObject *object, // fire an event wxCollapsiblePaneEvent ev(p, p->GetId(), p->IsCollapsed()); - p->GetEventHandler()->ProcessEvent(ev); + p->HandleWindowEvent(ev); } } -static void gtk_collapsiblepane_insert_callback( wxWindowGTK* parent, wxWindowGTK* child ) +void wxCollapsiblePane::AddChildGTK(wxWindowGTK* child) { - // this callback should be used only once to insert the "pane" into - // the GtkExpander widget. wxGenericCollapsiblePane::DoAddChild() will check - // if it has been called only once (and in any case we would get a warning - // from the following call as GtkExpander is a GtkBin and can contain only a - // single child!). - gtk_container_add (GTK_CONTAINER (parent->m_widget), child->m_widget); + // should be used only once to insert the "pane" into the + // GtkExpander widget. wxGenericCollapsiblePane::DoAddChild() will check if + // it has been called only once (and in any case we would get a warning + // from the following call as GtkExpander is a GtkBin and can contain only + // a single child!). + gtk_container_add(GTK_CONTAINER(m_widget), child->m_widget); } - //----------------------------------------------------------------------------- // wxCollapsiblePane //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxCollapsiblePane, wxGenericCollapsiblePane) +IMPLEMENT_DYNAMIC_CLASS(wxCollapsiblePane, wxControl) -BEGIN_EVENT_TABLE(wxCollapsiblePane, wxGenericCollapsiblePane) +BEGIN_EVENT_TABLE(wxCollapsiblePane, wxCollapsiblePaneBase) EVT_SIZE(wxCollapsiblePane::OnSize) END_EVENT_TABLE() -bool wxCollapsiblePane::Create( wxWindow *parent, wxWindowID id, - const wxString& label, - const wxPoint& pos, - const wxSize& size, - long style, - const wxValidator& val, - const wxString& name) +bool wxCollapsiblePane::Create(wxWindow *parent, + wxWindowID id, + const wxString& label, + const wxPoint& pos, + const wxSize& size, + long style, + const wxValidator& val, + const wxString& name) { - if (gtk_check_version(2,4,0)) {wxASSERT(0); - return wxGenericCollapsiblePane::Create(parent, id, label, pos, size, style, val, name);} - - m_needParent = true; - m_acceptsFocus = true; m_bIgnoreNextChange = false; - if (!PreCreation( parent, pos, size ) || - !wxControl::CreateBase(parent, id, pos, size, style, val, name)) + if ( !PreCreation( parent, pos, size ) || + !wxControl::CreateBase(parent, id, pos, size, style, val, name) ) { wxFAIL_MSG( wxT("wxCollapsiblePane creation failed") ); return false; } - m_widget = gtk_expander_new(label.c_str()); + m_widget = + gtk_expander_new_with_mnemonic(wxGTK_CONV(GTKConvertMnemonics(label))); + g_object_ref(m_widget); - // see the gtk_collapsiblepane_expanded_callback comments to understand why we connect - // to the "notify::expanded" signal instead of the more common "activate" one + // see the gtk_collapsiblepane_expanded_callback comments to understand why + // we connect to the "notify::expanded" signal instead of the more common + // "activate" one g_signal_connect(m_widget, "notify::expanded", G_CALLBACK(gtk_collapsiblepane_expanded_callback), this); - // before creating m_pPane, we need to makesure our own insert callback will be used - m_insertCallback = gtk_collapsiblepane_insert_callback; - // this the real "pane" - m_pPane = new wxWindow(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxNO_BORDER); + m_pPane = new wxPanel(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, + wxTAB_TRAVERSAL|wxNO_BORDER, wxS("wxCollapsiblePanePane")); - gtk_widget_show( GTK_WIDGET(m_widget) ); + gtk_widget_show(m_widget); m_parent->DoAddChild( this ); PostCreation(size); - //SetBestSize(size); + + // we should blend into our parent background + const wxColour bg = parent->GetBackgroundColour(); + SetBackgroundColour(bg); + m_pPane->SetBackgroundColour(bg); // remember the size of this control when it's collapsed m_szCollapsed = GetBestSize(); - /* - myTimer *t = new myTimer(this); - t->Start(2000); - */ - return true; } wxSize wxCollapsiblePane::DoGetBestSize() const { - if (!gtk_check_version(2,4,0)) - { - //return wxControl::DoGetBestSize(); // need not to cache the best size! - - wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") ); + wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") ); - GtkRequisition req; - req.width = 2; - req.height = 2; - (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request ) - (m_widget, &req ); - - wxSize best(req.width, req.height); - //CacheBestSize(best); - return best; - } + GtkRequisition req; + req.width = 2; + req.height = 2; + (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request ) + (m_widget, &req ); - return wxGenericCollapsiblePane::DoGetBestSize(); + // notice that we do not cache our best size here as it changes + // all times the user expands/hide our pane + return wxSize(req.width, req.height); } void wxCollapsiblePane::Collapse(bool collapse) { - if (!gtk_check_version(2,4,0)) - { - // optimization - if (IsCollapsed() == collapse) - return; + // optimization + if (IsCollapsed() == collapse) + return; - // do not send event in next signal handler call - m_bIgnoreNextChange = true; - gtk_expander_set_expanded(GTK_EXPANDER(m_widget), !collapse); - } - else - wxGenericCollapsiblePane::Collapse(collapse); + // do not send event in next signal handler call + m_bIgnoreNextChange = true; + gtk_expander_set_expanded(GTK_EXPANDER(m_widget), !collapse); } bool wxCollapsiblePane::IsCollapsed() const { - if (!gtk_check_version(2,4,0)) - return !gtk_expander_get_expanded(GTK_EXPANDER(m_widget)); - - return wxGenericCollapsiblePane::IsCollapsed(); + return !gtk_expander_get_expanded(GTK_EXPANDER(m_widget)); } void wxCollapsiblePane::SetLabel(const wxString &str) { - if (!gtk_check_version(2,4,0)) - gtk_expander_set_label(GTK_EXPANDER(m_widget), str.c_str()); - else - wxGenericCollapsiblePane::SetLabel(str); + gtk_expander_set_label(GTK_EXPANDER(m_widget), + wxGTK_CONV(GTKConvertMnemonics(str))); + + // FIXME: we need to update our collapsed width in some way but using GetBestSize() + // we may get the size of the control with the pane size summed up if we are expanded! + //m_szCollapsed.x = GetBestSize().x; } void wxCollapsiblePane::OnSize(wxSizeEvent &ev) @@ -283,16 +268,24 @@ void wxCollapsiblePane::OnSize(wxSizeEvent &ev) dc.DrawRectangle(wxPoint(0,0), GetBestSize()); #endif - //wxLogDebug(wxT("wxCollapsiblePane::OnSize")); - // here we need to resize the pane window otherwise, even if the GtkExpander container - // is expanded or shrinked, the pane window won't be updated! - m_pPane->SetSize(ev.GetSize()); + // is expanded or shrunk, the pane window won't be updated! + m_pPane->SetSize(ev.GetSize().x, ev.GetSize().y - m_szCollapsed.y); - // we need to explicitely call m_pPane->Layout() or else it won't correctly relayout + // we need to explicitly call m_pPane->Layout() or else it won't correctly relayout // (even if SetAutoLayout(true) has been called on it!) m_pPane->Layout(); } -#endif // __WXGTK24__ + +GdkWindow *wxCollapsiblePane::GTKGetWindow(wxArrayGdkWindows& windows) const +{ + GtkWidget *label = gtk_expander_get_label_widget( GTK_EXPANDER(m_widget) ); + windows.Add(gtk_widget_get_window(label)); + windows.Add(gtk_widget_get_window(m_widget)); + + return NULL; +} + +#endif // wxUSE_COLLPANE && !defined(__WXUNIVERSAL__)