912c39325b
1. wxUSE_COLLPANE added 2. XRC handler added 3. flicker fixes for the generic version 4. sizing fixes for GTK+ version 5. RTL fixes for the generic version (via wxBoxSizer) 6. better appearance under Mac for the generic version git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42759 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
329 lines
11 KiB
C++
329 lines
11 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/gtk/collpane.cpp
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// Purpose: wxCollapsiblePane
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// Author: Francesco Montorsi
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// Modified By:
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// Created: 8/10/2006
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// Id: $Id$
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// Copyright: (c) Francesco Montorsi
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#if wxUSE_COLLPANE && defined( __WXGTK24__ )
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#include "wx/collpane.h"
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#include "wx/gtk/private.h"
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#include "wx/gtk/win_gtk.h"
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#include <gtk/gtkexpander.h>
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const wxChar wxCollapsiblePaneNameStr[] = wxT("CollapsiblePane");
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// ============================================================================
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// implementation
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// ============================================================================
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//-----------------------------------------------------------------------------
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// "notify::expanded" signal
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//-----------------------------------------------------------------------------
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extern "C" {
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static void gtk_collapsiblepane_expanded_callback (GObject *object,
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GParamSpec *param_spec,
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wxCollapsiblePane *p)
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{
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// NB: unlike for the "activate" signal, when this callback is called, if
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// we try to query the "collapsed" status through p->IsCollapsed(), we
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// get the right value. I.e. here p->IsCollapsed() will return false if
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// this callback has been called at the end of a collapsed->expanded
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// transition and viceversa. Inside the "activate" signal callback
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// p->IsCollapsed() would return the wrong value!
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wxSize sz;
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if ( p->IsExpanded() )
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{
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// NB: we cannot use the p->GetBestSize() or p->GetMinSize() functions
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// here as they would return the size for the collapsed expander
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// even if the collapsed->expanded transition has already been
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// completed; we solve this problem doing:
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sz = p->m_szCollapsed;
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wxSize panesz = p->GetPane()->GetBestSize();
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sz.x = wxMax(sz.x, panesz.x);
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sz.y += gtk_expander_get_spacing(GTK_EXPANDER(p->m_widget)) + panesz.y;
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}
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else // collapsed
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{
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// same problem described above: using p->Get[Best|Min]Size() here we
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// would get the size of the control when it is expanded even if the
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// expanded->collapsed transition should be complete now...
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// So, we use the size cached at control-creation time...
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sz = p->m_szCollapsed;
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}
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#if 1
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// this does work but in the expanded->collapsed transition it provokes
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// a lot of flicker!!!
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//
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// It also has the problem that in the collapsed->expanded transition with the
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// "clearlooks" GTK theme I get:
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//
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// ** (collpane:18928): CRITICAL **: clearlooks_style_draw_focus: assertion `height >= -1' failed
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// ** (collpane:18928): CRITICAL **: clearlooks_style_draw_focus: assertion `height >= -1' failed
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//
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// Not sure however if this is a ClearLooks bug or rather my bug.
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// Note that those warnings only appear:
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// 1) if you're using clearlooks theme
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// 2) if you use the "Change status" wxButton in samples/collpane application
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p->OnStateChange(sz);
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#else // flicker-free code
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// need to update our size hints
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// NB: this function call won't actually do any long operation
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// (redraw/relayouting/resizing) so that it's flicker-free
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p->SetMinSize(sz);
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if (p->HasFlag(wxCP_NO_TLW_RESIZE))
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{
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// the user asked to explicitely handle the resizing itself...
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return;
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}
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wxTopLevelWindow *
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top = wxDynamicCast(wxGetTopLevelParent(p), wxTopLevelWindow);
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if ( top && top->GetSizer() )
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{
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// recalculate minimal size of the top window
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wxSize sz = top->GetSizer()->CalcMin();
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// FIXME:
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// THE PROBLEM WITH THIS CODE IS THAT IN THE EXPANDED->COLLAPSED TRANSITION
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// IT DOES *NOT* SHRINK THE TOP WINDOW.
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// However it's flicker-free, native code and it also does not have the
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// ** (collpane:18928): CRITICAL **: clearlooks_style_draw_focus: assertion `height >= -1' failed
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// problem
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if (top->m_mainWidget)
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{
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wxLogDebug(wxT("setting min size to %d;%d"), sz.x, sz.y);
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// set size hints
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GdkGeometry geom;
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geom.min_width = sz.x;
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geom.min_height = sz.y;
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gtk_window_set_geometry_hints( GTK_WINDOW(top->m_widget),
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(GtkWidget*) NULL,
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&geom,
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GDK_HINT_MIN_SIZE );
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//gtk_window_set_default_size( GTK_WINDOW(top->m_widget), sz.x, sz.y );
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/* I revert back to wxGTK's original behaviour. m_mainWidget holds the
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* menubar, the toolbar and the client area, which is represented by
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* m_wxwindow.
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* this hurts in the eye, but I don't want to call SetSize()
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* because I don't want to call any non-native functions here. */
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top->m_width = sz.x;
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top->m_height = sz.y;
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int client_x = top->m_miniEdge;
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int client_y = top->m_miniEdge + top->m_miniTitle;
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int client_w = top->m_width - 2*top->m_miniEdge;
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int client_h = top->m_height - 2*top->m_miniEdge - top->m_miniTitle;
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if (client_w < 0)
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client_w = 0;
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if (client_h < 0)
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client_h = 0;
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// Let the parent perform the resize
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gtk_pizza_set_size( GTK_PIZZA(top->m_mainWidget),
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top->m_wxwindow,
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client_x, client_y, client_w, client_h );
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gtk_widget_set_size_request( top->m_wxwindow, sz.x, sz.y );
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}
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}
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#endif
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if ( p->m_bIgnoreNextChange )
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{
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// change generated programmatically - do not send an event!
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p->m_bIgnoreNextChange = false;
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return;
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}
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// fire an event
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wxCollapsiblePaneEvent ev(p, p->GetId(), p->IsCollapsed());
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p->GetEventHandler()->ProcessEvent(ev);
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}
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}
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static void
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gtk_collapsiblepane_insert_callback(wxWindowGTK* parent, wxWindowGTK* child)
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{
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// this callback should be used only once to insert the "pane" into the
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// GtkExpander widget. wxGenericCollapsiblePane::DoAddChild() will check if
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// it has been called only once (and in any case we would get a warning
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// from the following call as GtkExpander is a GtkBin and can contain only
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// a single child!).
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gtk_container_add (GTK_CONTAINER (parent->m_widget), child->m_widget);
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}
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//-----------------------------------------------------------------------------
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// wxCollapsiblePane
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxCollapsiblePane, wxGenericCollapsiblePane)
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BEGIN_EVENT_TABLE(wxCollapsiblePane, wxGenericCollapsiblePane)
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EVT_SIZE(wxCollapsiblePane::OnSize)
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END_EVENT_TABLE()
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bool wxCollapsiblePane::Create(wxWindow *parent,
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wxWindowID id,
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const wxString& label,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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const wxValidator& val,
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const wxString& name)
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{
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if (gtk_check_version(2,4,0))
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return wxGenericCollapsiblePane::Create(parent, id, label,
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pos, size, style, val, name);
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m_needParent = true;
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m_acceptsFocus = true;
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m_bIgnoreNextChange = false;
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if ( !PreCreation( parent, pos, size ) ||
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!wxControl::CreateBase(parent, id, pos, size, style, val, name) )
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{
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wxFAIL_MSG( wxT("wxCollapsiblePane creation failed") );
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return false;
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}
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m_widget =
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gtk_expander_new_with_mnemonic(wxGTK_CONV(GTKConvertMnemonics(label)));
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// see the gtk_collapsiblepane_expanded_callback comments to understand why
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// we connect to the "notify::expanded" signal instead of the more common
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// "activate" one
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g_signal_connect(m_widget, "notify::expanded",
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G_CALLBACK(gtk_collapsiblepane_expanded_callback), this);
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// before creating m_pPane, we need to makesure our own insert callback
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// will be used
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m_insertCallback = gtk_collapsiblepane_insert_callback;
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// this the real "pane"
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m_pPane = new wxWindow(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
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wxNO_BORDER);
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gtk_widget_show( GTK_WIDGET(m_widget) );
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m_parent->DoAddChild( this );
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PostCreation(size);
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// remember the size of this control when it's collapsed
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m_szCollapsed = GetBestSize();
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return true;
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}
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wxSize wxCollapsiblePane::DoGetBestSize() const
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{
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if (!gtk_check_version(2,4,0))
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{
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wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
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GtkRequisition req;
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req.width = 2;
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req.height = 2;
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(* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
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(m_widget, &req );
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// notice that we do not cache our best size here as it changes
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// all times the user expands/hide our pane
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return wxSize(req.width, req.height);
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}
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return wxGenericCollapsiblePane::DoGetBestSize();
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}
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void wxCollapsiblePane::Collapse(bool collapse)
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{
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if (!gtk_check_version(2,4,0))
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{
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// optimization
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if (IsCollapsed() == collapse)
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return;
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// do not send event in next signal handler call
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m_bIgnoreNextChange = true;
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gtk_expander_set_expanded(GTK_EXPANDER(m_widget), !collapse);
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}
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else
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wxGenericCollapsiblePane::Collapse(collapse);
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}
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bool wxCollapsiblePane::IsCollapsed() const
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{
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if (!gtk_check_version(2,4,0))
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return !gtk_expander_get_expanded(GTK_EXPANDER(m_widget));
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return wxGenericCollapsiblePane::IsCollapsed();
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}
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void wxCollapsiblePane::SetLabel(const wxString &str)
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{
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if (!gtk_check_version(2,4,0))
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{
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gtk_expander_set_label(GTK_EXPANDER(m_widget), wxGTK_CONV(str));
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// FIXME: we need to update our collapsed width in some way but using GetBestSize()
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// we may get the size of the control with the pane size summed up if we are expanded!
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//m_szCollapsed.x = GetBestSize().x;
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}
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else
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wxGenericCollapsiblePane::SetLabel(str);
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}
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void wxCollapsiblePane::OnSize(wxSizeEvent &ev)
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{
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#if 0 // for debug only
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wxClientDC dc(this);
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dc.SetPen(*wxBLACK_PEN);
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dc.SetBrush(*wxTRANSPARENT_BRUSH);
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dc.DrawRectangle(wxPoint(0,0), GetSize());
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dc.SetPen(*wxRED_PEN);
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dc.DrawRectangle(wxPoint(0,0), GetBestSize());
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#endif
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// here we need to resize the pane window otherwise, even if the GtkExpander container
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// is expanded or shrinked, the pane window won't be updated!
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m_pPane->SetSize(ev.GetSize().x, ev.GetSize().y - m_szCollapsed.y);
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// we need to explicitely call m_pPane->Layout() or else it won't correctly relayout
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// (even if SetAutoLayout(true) has been called on it!)
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m_pPane->Layout();
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}
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#endif // wxUSE_COLLPANE && defined( __WXGTK24__ )
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