X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a9c96bcce94c48435f1949cd61658c72a1a5f2e4..4e15d1caa03346c126015019c1fdf093033ef40b:/src/gtk/button.cpp diff --git a/src/gtk/button.cpp b/src/gtk/button.cpp index 066c92a17a..6e496d75bb 100644 --- a/src/gtk/button.cpp +++ b/src/gtk/button.cpp @@ -1,103 +1,340 @@ ///////////////////////////////////////////////////////////////////////////// -// 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" -//----------------------------------------------------------------------------- -// classes -//----------------------------------------------------------------------------- +#include +#include "wx/gtk/private.h" +#include "wx/gtk/private/gtk2-compat.h" +#include "wx/gtk/private/list.h" + +// ---------------------------------------------------------------------------- +// GTK callbacks +// ---------------------------------------------------------------------------- + +extern "C" +{ -class wxButton; +static void +wxgtk_button_clicked_callback(GtkWidget *WXUNUSED(widget), wxButton *button) +{ + if ( button->GTKShouldIgnoreEvent() ) + return; + + wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId()); + event.SetEventObject(button); + button->HandleWindowEvent(event); +} //----------------------------------------------------------------------------- -// data +// "style_set" from m_widget //----------------------------------------------------------------------------- -extern bool g_blockEventsOnDrag; +static void +wxgtk_button_style_set_callback(GtkWidget* widget, GtkStyle*, wxButton* win) +{ + /* the default button has a border around it */ + wxWindow* parent = win->GetParent(); + if (parent && parent->m_wxwindow && gtk_widget_get_can_default(widget)) + { + GtkBorder* border = NULL; + gtk_widget_style_get(widget, "default_border", &border, NULL); + if (border) + { + win->MoveWindow( + win->m_x - border->left, + win->m_y - border->top, + win->m_width + border->left + border->right, + win->m_height + border->top + border->bottom); + gtk_border_free(border); + } + } +} + +} // extern "C" //----------------------------------------------------------------------------- // wxButton //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl) +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; + } + + // create either a standard button with text label (which may still contain + // an image under GTK+ 2.6+) or a bitmap-only button if we don't have any + // label + const bool + useLabel = !(style & wxBU_NOTEXT) && (!label.empty() || wxIsStockID(id)); + if ( useLabel ) + { + m_widget = gtk_button_new_with_mnemonic(""); + } + else // no label, suppose we will have a bitmap + { + m_widget = gtk_button_new(); + + GtkWidget *image = gtk_image_new(); + gtk_widget_show(image); + gtk_container_add(GTK_CONTAINER(m_widget), image); + } + + g_object_ref(m_widget); + + 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); + + if ( useLabel ) + 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 (wxgtk_button_clicked_callback), + this); + + g_signal_connect_after (m_widget, "style_set", + G_CALLBACK (wxgtk_button_style_set_callback), + this); + + m_parent->DoAddChild( this ); + + PostCreation(size); + + return true; +} + -static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxButton *button ) +wxWindow *wxButton::SetDefault() { - if (!button->HasVMT()) return; - if (g_blockEventsOnDrag) return; - - wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId()); - event.SetEventObject(button); - button->GetEventHandler()->ProcessEvent(event); + wxWindow *oldDefault = wxButtonBase::SetDefault(); + + gtk_widget_set_can_default(m_widget, TRUE); + gtk_widget_grab_default( m_widget ); + + // resize for default border + wxgtk_button_style_set_callback( m_widget, NULL, this ); + + return oldDefault; } -//----------------------------------------------------------------------------- +/* static */ +wxSize wxButtonBase::GetDefaultSize() +{ + 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. -wxButton::wxButton(void) + 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; +#ifdef __WXGTK3__ + gtk_widget_get_preferred_height(btn, NULL, &req.height); + gtk_widget_get_preferred_width_for_height(btn, req.height, NULL, &req.width); +#else + gtk_widget_size_request(btn, &req); +#endif + + 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 ) { + wxCHECK_RET( m_widget != NULL, wxT("invalid button") ); + + wxString label(lbl); + + if (label.empty() && wxIsStockID(m_windowId)) + label = wxGetStockLabel(m_windowId); + + wxAnyButton::SetLabel(label); + + // don't use label if it was explicitly disabled + if ( HasFlag(wxBU_NOTEXT) ) + return; + + 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; + } + } + + // this call is necessary if the button had been initially created without + // a (text) label -- then we didn't use gtk_button_new_with_mnemonic() and + // so "use-underline" GtkButton property remained unset + gtk_button_set_use_underline(GTK_BUTTON(m_widget), TRUE); + const wxString labelGTK = GTKConvertMnemonics(label); + gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(labelGTK)); + gtk_button_set_use_stock(GTK_BUTTON(m_widget), FALSE); + + GTKApplyWidgetStyle( false ); } -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 wxUSE_MARKUP +bool wxButton::DoSetLabelMarkup(const wxString& markup) { - m_needParent = TRUE; + wxCHECK_MSG( m_widget != NULL, false, "invalid button" ); - wxSize newSize = size; + const wxString stripped = RemoveMarkup(markup); + if ( stripped.empty() && !markup.empty() ) + return false; - PreCreation( parent, id, pos, newSize, style, name ); - - SetValidator( validator ); + wxControl::SetLabel(stripped); - m_widget = gtk_button_new_with_label( m_label ); - SetLabel(label); + GtkLabel * const label = GTKGetLabel(); + wxCHECK_MSG( label, false, "no label in this button?" ); - 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 ); + GTKSetLabelWithMarkupForLabel(label, markup); - gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", - GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this ); + return true; +} - PostCreation(); +GtkLabel *wxButton::GTKGetLabel() const +{ + GtkWidget* child = gtk_bin_get_child(GTK_BIN(m_widget)); + if ( GTK_IS_ALIGNMENT(child) ) + { + GtkWidget* box = gtk_bin_get_child(GTK_BIN(child)); + GtkLabel* label = NULL; + wxGtkList list(gtk_container_get_children(GTK_CONTAINER(box))); + for (GList* item = list; item; item = item->next) + { + if (GTK_IS_LABEL(item->data)) + label = GTK_LABEL(item->data); + } - Show( TRUE ); + return label; + } - return TRUE; + return GTK_LABEL(child); } +#endif // wxUSE_MARKUP -void wxButton::SetDefault(void) +void wxButton::DoApplyWidgetStyle(GtkRcStyle *style) { -/* - GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT ); - gtk_widget_grab_default( m_widget ); -*/ + GTKApplyStyle(m_widget, style); + GtkWidget* child = gtk_bin_get_child(GTK_BIN(m_widget)); + GTKApplyStyle(child, style); + + // for buttons with images, the path to the label is (at least in 2.12) + // GtkButton -> GtkAlignment -> GtkHBox -> GtkLabel + if ( GTK_IS_ALIGNMENT(child) ) + { + GtkWidget* box = gtk_bin_get_child(GTK_BIN(child)); + if ( GTK_IS_BOX(box) ) + { + wxGtkList list(gtk_container_get_children(GTK_CONTAINER(box))); + for (GList* item = list; item; item = item->next) + { + GTKApplyStyle(GTK_WIDGET(item->data), style); + } + } + } } -void wxButton::SetLabel( const wxString &label ) +wxSize wxButton::DoGetBestSize() const { - wxControl::SetLabel( label ); - GtkButton *bin = GTK_BUTTON( m_widget ); - GtkLabel *g_label = GTK_LABEL( bin->child ); - gtk_label_set( g_label, 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 (otherwise 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) != 0; + if ( isDefault ) + { + // temporarily unset default flag + gtk_widget_set_can_default(m_widget, FALSE); + } + + wxSize ret( wxAnyButton::DoGetBestSize() ); + + if ( isDefault ) + { + // set it back again + gtk_widget_set_can_default(m_widget, TRUE); + } + + 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; } -void wxButton::Enable( bool enable ) +// static +wxVisualAttributes +wxButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - wxControl::Enable( enable ); - GtkButton *bin = GTK_BUTTON( m_widget ); - GtkWidget *label = bin->child; - gtk_widget_set_sensitive( label, enable ); + return GetDefaultAttributesFromGTKWidget(gtk_button_new); } +#endif // wxUSE_BUTTON