707dcbad73
Using g_free instead used to have no ill effects as gtk_border_free called that anyway, but in gtk+-2.11 GtkBorder uses GSlice and gtk_border_free therefore uses g_slice_free and using g_free makes things crash hard. So fix it or wxGTK won't work with the upcoming gtk+-2.12 stable release planned for end of July. Hopefully we will release 2.8.5 by then... git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@46514 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
311 lines
8.7 KiB
C++
311 lines
8.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/gtk/button.cpp
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// Purpose:
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// Author: Robert Roebling
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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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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_BUTTON
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#include "wx/button.h"
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#ifndef WX_PRECOMP
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#include "wx/toplevel.h"
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#endif
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#include "wx/stockitem.h"
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#include "wx/gtk/private.h"
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#include "wx/gtk/win_gtk.h"
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//-----------------------------------------------------------------------------
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// classes
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//-----------------------------------------------------------------------------
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class wxButton;
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//-----------------------------------------------------------------------------
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// data
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//-----------------------------------------------------------------------------
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extern bool g_blockEventsOnDrag;
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//-----------------------------------------------------------------------------
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// "clicked"
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//-----------------------------------------------------------------------------
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extern "C" {
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static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxButton *button )
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{
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if (g_isIdle)
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wxapp_install_idle_handler();
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if (!button->m_hasVMT) return;
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if (g_blockEventsOnDrag) return;
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wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
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event.SetEventObject(button);
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button->GetEventHandler()->ProcessEvent(event);
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}
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}
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//-----------------------------------------------------------------------------
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// "style_set" from m_widget
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//-----------------------------------------------------------------------------
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static gint
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gtk_button_style_set_callback( GtkWidget *m_widget, GtkStyle *WXUNUSED(style), wxButton *win )
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{
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if (g_isIdle)
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wxapp_install_idle_handler();
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int left_border = 0;
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int right_border = 0;
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int top_border = 0;
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int bottom_border = 0;
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/* the default button has a border around it */
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if (GTK_WIDGET_CAN_DEFAULT(m_widget))
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{
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GtkBorder *default_border = NULL;
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gtk_widget_style_get( m_widget, "default_border", &default_border, NULL );
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if (default_border)
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{
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left_border += default_border->left;
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right_border += default_border->right;
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top_border += default_border->top;
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bottom_border += default_border->bottom;
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gtk_border_free( default_border );
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}
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win->MoveWindow(
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win->m_x - top_border,
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win->m_y - left_border,
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win->m_width + left_border + right_border,
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win->m_height + top_border + bottom_border);
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}
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return FALSE;
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}
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//-----------------------------------------------------------------------------
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// wxButton
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl)
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wxButton::wxButton()
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{
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}
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wxButton::~wxButton()
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{
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}
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bool wxButton::Create( wxWindow *parent, wxWindowID id, const wxString &label,
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const wxPoint &pos, const wxSize &size,
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long style, const wxValidator& validator, const wxString &name )
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{
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m_needParent = true;
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m_acceptsFocus = true;
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if (!PreCreation( parent, pos, size ) ||
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!CreateBase( parent, id, pos, size, style, validator, name ))
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{
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wxFAIL_MSG( wxT("wxButton creation failed") );
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return false;
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}
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m_widget = gtk_button_new_with_mnemonic("");
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float x_alignment = 0.5;
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if (HasFlag(wxBU_LEFT))
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x_alignment = 0.0;
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else if (HasFlag(wxBU_RIGHT))
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x_alignment = 1.0;
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float y_alignment = 0.5;
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if (HasFlag(wxBU_TOP))
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y_alignment = 0.0;
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else if (HasFlag(wxBU_BOTTOM))
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y_alignment = 1.0;
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment);
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}
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else
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#endif
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{
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if (GTK_IS_MISC(GTK_BIN(m_widget)->child))
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gtk_misc_set_alignment(GTK_MISC(GTK_BIN(m_widget)->child),
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x_alignment, y_alignment);
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}
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SetLabel(label);
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if (style & wxNO_BORDER)
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gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
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g_signal_connect_after (m_widget, "clicked",
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G_CALLBACK (gtk_button_clicked_callback),
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this);
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g_signal_connect_after (m_widget, "style_set",
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G_CALLBACK (gtk_button_style_set_callback),
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this);
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m_parent->DoAddChild( this );
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PostCreation(size);
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return true;
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}
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void wxButton::SetDefault()
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{
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wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
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wxCHECK_RET( tlw, _T("button without top level window?") );
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tlw->SetDefaultItem(this);
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GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
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gtk_widget_grab_default( m_widget );
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// resize for default border
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gtk_button_style_set_callback( m_widget, NULL, this );
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}
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/* static */
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wxSize wxButtonBase::GetDefaultSize()
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{
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static wxSize size = wxDefaultSize;
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if (size == wxDefaultSize)
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{
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// NB: Default size of buttons should be same as size of stock
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// buttons as used in most GTK+ apps. Unfortunately it's a little
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// tricky to obtain this size: stock button's size may be smaller
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// than size of button in GtkButtonBox and vice versa,
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// GtkButtonBox's minimal button size may be smaller than stock
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// button's size. We have to retrieve both values and combine them.
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GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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GtkWidget *box = gtk_hbutton_box_new();
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GtkWidget *btn = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
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gtk_container_add(GTK_CONTAINER(box), btn);
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gtk_container_add(GTK_CONTAINER(wnd), box);
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GtkRequisition req;
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gtk_widget_size_request(btn, &req);
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gint minwidth, minheight;
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gtk_widget_style_get(box,
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"child-min-width", &minwidth,
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"child-min-height", &minheight,
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NULL);
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size.x = wxMax(minwidth, req.width);
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size.y = wxMax(minheight, req.height);
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gtk_widget_destroy(wnd);
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}
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return size;
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}
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void wxButton::SetLabel( const wxString &lbl )
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{
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wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
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wxString label(lbl);
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if (label.empty() && wxIsStockID(m_windowId))
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label = wxGetStockLabel(m_windowId);
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wxControl::SetLabel(label);
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const wxString labelGTK = GTKConvertMnemonics(label);
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if (wxIsStockID(m_windowId) && wxIsStockLabel(m_windowId, label))
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{
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const char *stock = wxGetStockGtkID(m_windowId);
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if (stock)
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{
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gtk_button_set_label(GTK_BUTTON(m_widget), stock);
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gtk_button_set_use_stock(GTK_BUTTON(m_widget), TRUE);
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return;
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}
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}
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gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(labelGTK));
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gtk_button_set_use_stock(GTK_BUTTON(m_widget), FALSE);
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ApplyWidgetStyle( false );
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}
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bool wxButton::Enable( bool enable )
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{
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if ( !wxControl::Enable( enable ) )
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return false;
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gtk_widget_set_sensitive(GTK_BIN(m_widget)->child, enable);
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return true;
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}
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GdkWindow *wxButton::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
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{
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return GTK_BUTTON(m_widget)->event_window;
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}
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void wxButton::DoApplyWidgetStyle(GtkRcStyle *style)
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{
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gtk_widget_modify_style(m_widget, style);
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gtk_widget_modify_style(GTK_BIN(m_widget)->child, style);
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}
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wxSize wxButton::DoGetBestSize() const
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{
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// the default button in wxGTK is bigger than the other ones because of an
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// extra border around it, but we don't want to take it into account in
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// our size calculations (otherwsie the result is visually ugly), so
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// always return the size of non default button from here
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const bool isDefault = GTK_WIDGET_HAS_DEFAULT(m_widget);
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if ( isDefault )
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{
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// temporarily unset default flag
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GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_DEFAULT );
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}
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wxSize ret( wxControl::DoGetBestSize() );
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if ( isDefault )
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{
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// set it back again
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GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
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}
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if (!HasFlag(wxBU_EXACTFIT))
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{
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wxSize defaultSize = GetDefaultSize();
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if (ret.x < defaultSize.x) ret.x = defaultSize.x;
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if (ret.y < defaultSize.y) ret.y = defaultSize.y;
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}
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CacheBestSize(ret);
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return ret;
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}
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// static
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wxVisualAttributes
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wxButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
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{
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return GetDefaultAttributesFromGTKWidget(gtk_button_new);
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}
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#endif // wxUSE_BUTTON
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