X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debe6624c1e9d4bf3243381153d1e173c849bcd8..952a3bd46dc50f95c462606fac8214573022f612:/src/gtk/button.cpp?ds=sidebyside diff --git a/src/gtk/button.cpp b/src/gtk/button.cpp index 9c167dc0fb..12e0807e50 100644 --- a/src/gtk/button.cpp +++ b/src/gtk/button.cpp @@ -1,18 +1,24 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: button.cpp +// Name: src/gtk/button.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "button.h" +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#if wxUSE_BUTTON + +#ifndef WX_PRECOMP + #include "wx/button.h" #endif -#include "wx/button.h" +#include "wx/stockitem.h" + +#include "wx/gtk/private.h" //----------------------------------------------------------------------------- // classes @@ -20,70 +26,266 @@ class wxButton; +//----------------------------------------------------------------------------- +// data +//----------------------------------------------------------------------------- + +extern bool g_blockEventsOnDrag; + +//----------------------------------------------------------------------------- +// "clicked" +//----------------------------------------------------------------------------- + +extern "C" { +static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxButton *button ) +{ + if (!button->m_hasVMT) return; + if (g_blockEventsOnDrag) return; + + wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId()); + event.SetEventObject(button); + button->GetEventHandler()->ProcessEvent(event); +} +} + +//----------------------------------------------------------------------------- +// "style_set" from m_widget +//----------------------------------------------------------------------------- + +static gint +gtk_button_style_set_callback( GtkWidget *m_widget, GtkStyle *WXUNUSED(style), wxButton *win ) +{ + int left_border = 0; + int right_border = 0; + int top_border = 0; + int bottom_border = 0; + + /* the default button has a border around it */ + if (GTK_WIDGET_CAN_DEFAULT(m_widget)) + { + GtkBorder *default_border = NULL; + gtk_widget_style_get( m_widget, "default_border", &default_border, NULL ); + if (default_border) + { + left_border += default_border->left; + right_border += default_border->right; + top_border += default_border->top; + bottom_border += default_border->bottom; + gtk_border_free( default_border ); + } + win->MoveWindow( + win->m_x - left_border, + win->m_y - top_border, + win->m_width + left_border + right_border, + win->m_height + top_border + bottom_border); + } + + return FALSE; +} + //----------------------------------------------------------------------------- // wxButton //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl) -void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), gpointer data ) +wxButton::wxButton() { - wxButton *button = (wxButton*)data; - wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId()); - event.SetEventObject(button); - button->ProcessEvent(event); -}; +} -//----------------------------------------------------------------------------- +wxButton::~wxButton() +{ +} + +bool wxButton::Create(wxWindow *parent, + wxWindowID id, + const wxString &label, + const wxPoint& pos, + const wxSize& size, + long style, + const wxValidator& validator, + const wxString& name) +{ + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxButton creation failed") ); + return false; + } + + m_widget = gtk_button_new_with_mnemonic(""); + + float x_alignment = 0.5; + if (HasFlag(wxBU_LEFT)) + x_alignment = 0.0; + else if (HasFlag(wxBU_RIGHT)) + x_alignment = 1.0; + + float y_alignment = 0.5; + if (HasFlag(wxBU_TOP)) + y_alignment = 0.0; + else if (HasFlag(wxBU_BOTTOM)) + y_alignment = 1.0; + + gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment); + + SetLabel(label); + + if (style & wxNO_BORDER) + gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE ); + + g_signal_connect_after (m_widget, "clicked", + G_CALLBACK (gtk_button_clicked_callback), + this); -wxButton::wxButton(void) + g_signal_connect_after (m_widget, "style_set", + G_CALLBACK (gtk_button_style_set_callback), + this); + + m_parent->DoAddChild( this ); + + PostCreation(size); + + return true; +} + + +wxWindow *wxButton::SetDefault() { -}; + wxWindow *oldDefault = wxButtonBase::SetDefault(); + + GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT ); + gtk_widget_grab_default( m_widget ); + + // resize for default border + gtk_button_style_set_callback( m_widget, NULL, this ); + + return oldDefault; +} -wxButton::wxButton( wxWindow *parent, wxWindowID id, const wxString &label, - const wxPoint &pos, const wxSize &size, - long style, const wxString &name ) +/* static */ +wxSize wxButtonBase::GetDefaultSize() { - Create( parent, id, label, pos, size, style, name ); -}; + static wxSize size = wxDefaultSize; + if (size == wxDefaultSize) + { + // NB: Default size of buttons should be same as size of stock + // buttons as used in most GTK+ apps. Unfortunately it's a little + // tricky to obtain this size: stock button's size may be smaller + // than size of button in GtkButtonBox and vice versa, + // GtkButtonBox's minimal button size may be smaller than stock + // button's size. We have to retrieve both values and combine them. -bool wxButton::Create( wxWindow *parent, wxWindowID id, const wxString &label, - const wxPoint &pos, const wxSize &size, - long style, const wxString &name ) + GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL); + GtkWidget *box = gtk_hbutton_box_new(); + GtkWidget *btn = gtk_button_new_from_stock(GTK_STOCK_CANCEL); + gtk_container_add(GTK_CONTAINER(box), btn); + gtk_container_add(GTK_CONTAINER(wnd), box); + GtkRequisition req; + gtk_widget_size_request(btn, &req); + + gint minwidth, minheight; + gtk_widget_style_get(box, + "child-min-width", &minwidth, + "child-min-height", &minheight, + NULL); + + size.x = wxMax(minwidth, req.width); + size.y = wxMax(minheight, req.height); + + gtk_widget_destroy(wnd); + } + return size; +} + +void wxButton::SetLabel( const wxString &lbl ) { - m_needParent = TRUE; - - wxSize newSize = size; - - PreCreation( parent, id, pos, newSize, style, name ); - - m_label = label; - m_widget = gtk_button_new_with_label( label ); - - if (newSize.x == -1) newSize.x = 15+gdk_string_measure( m_widget->style->font, label ); - if (newSize.y == -1) newSize.y = 26; - SetSize( newSize.x, newSize.y ); - - gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", - GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this ); - - PostCreation(); - - Show( TRUE ); - - return TRUE; -}; - -void wxButton::SetDefault(void) + wxCHECK_RET( m_widget != NULL, wxT("invalid button") ); + + wxString label(lbl); + + if (label.empty() && wxIsStockID(m_windowId)) + label = wxGetStockLabel(m_windowId); + + wxControl::SetLabel(label); + + const wxString labelGTK = GTKConvertMnemonics(label); + + if (wxIsStockID(m_windowId) && wxIsStockLabel(m_windowId, label)) + { + const char *stock = wxGetStockGtkID(m_windowId); + if (stock) + { + gtk_button_set_label(GTK_BUTTON(m_widget), stock); + gtk_button_set_use_stock(GTK_BUTTON(m_widget), TRUE); + return; + } + } + + gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(labelGTK)); + gtk_button_set_use_stock(GTK_BUTTON(m_widget), FALSE); + + ApplyWidgetStyle( false ); +} + +bool wxButton::Enable( bool enable ) +{ + if ( !wxControl::Enable( enable ) ) + return false; + + gtk_widget_set_sensitive(GTK_BIN(m_widget)->child, enable); + + return true; +} + +GdkWindow *wxButton::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const { -}; + return GTK_BUTTON(m_widget)->event_window; +} -void wxButton::SetLabel( const wxString &label ) +void wxButton::DoApplyWidgetStyle(GtkRcStyle *style) { - wxControl::SetLabel( label ); -}; + gtk_widget_modify_style(m_widget, style); + gtk_widget_modify_style(GTK_BIN(m_widget)->child, style); +} -wxString wxButton::GetLabel(void) const +wxSize wxButton::DoGetBestSize() const { - return wxControl::GetLabel(); -}; + // the default button in wxGTK is bigger than the other ones because of an + // extra border around it, but we don't want to take it into account in + // our size calculations (otherwsie the result is visually ugly), so + // always return the size of non default button from here + const bool isDefault = GTK_WIDGET_HAS_DEFAULT(m_widget); + if ( isDefault ) + { + // temporarily unset default flag + GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_DEFAULT ); + } + + wxSize ret( wxControl::DoGetBestSize() ); + + if ( isDefault ) + { + // set it back again + GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT ); + } + + if (!HasFlag(wxBU_EXACTFIT)) + { + wxSize defaultSize = GetDefaultSize(); + if (ret.x < defaultSize.x) ret.x = defaultSize.x; + if (ret.y < defaultSize.y) ret.y = defaultSize.y; + } + + CacheBestSize(ret); + return ret; +} + +// static +wxVisualAttributes +wxButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) +{ + return GetDefaultAttributesFromGTKWidget(gtk_button_new); +} + +#endif // wxUSE_BUTTON