From c58d22381aaeece1c27c1d9061061ed68f269ae3 Mon Sep 17 00:00:00 2001 From: Paul Cornett Date: Tue, 19 Aug 2008 16:28:40 +0000 Subject: [PATCH] remove text field from page data, add much more useful image widget pointer, lots of code simplification and cleanup git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@55132 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- src/gtk/notebook.cpp | 242 +++++++++++++------------------------------ 1 file changed, 70 insertions(+), 172 deletions(-) diff --git a/src/gtk/notebook.cpp b/src/gtk/notebook.cpp index 7efa874a10..0b95ed355e 100644 --- a/src/gtk/notebook.cpp +++ b/src/gtk/notebook.cpp @@ -41,16 +41,10 @@ class wxGtkNotebookPage: public wxObject { public: - wxGtkNotebookPage() - { - m_image = -1; - m_box = NULL; - } - - wxString m_text; - int m_image; - GtkLabel *m_label; - GtkWidget *m_box; // in which the label and image are packed + GtkWidget* m_box; + GtkWidget* m_label; + GtkWidget* m_image; + int m_imageIndex; }; @@ -140,8 +134,6 @@ END_EVENT_TABLE() void wxNotebook::Init() { m_padding = 0; - - m_imageList = (wxImageList *) NULL; m_oldSelection = -1; m_themeEnabled = true; } @@ -218,40 +210,27 @@ int wxNotebook::GetSelection() const wxString wxNotebook::GetPageText( size_t page ) const { - wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid notebook") ); + wxCHECK_MSG(page < GetPageCount(), wxEmptyString, "invalid notebook index"); - wxGtkNotebookPage* nb_page = GetNotebookPage(page); - if (nb_page) - return nb_page->m_text; - else - return wxEmptyString; + GtkLabel* label = GTK_LABEL(GetNotebookPage(page)->m_label); + return wxGTK_CONV_BACK(gtk_label_get_text(label)); } int wxNotebook::GetPageImage( size_t page ) const { - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") ); + wxCHECK_MSG(page < GetPageCount(), -1, "invalid notebook index"); - wxGtkNotebookPage* nb_page = GetNotebookPage(page); - if (nb_page) - return nb_page->m_image; - else - return -1; + return GetNotebookPage(page)->m_imageIndex; } wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const { - wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") ); - - wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") ); - return m_pagesData.Item(page)->GetData(); } int wxNotebook::DoSetSelection( size_t page, int flags ) { - wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") ); - - wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") ); + wxCHECK_MSG(page < GetPageCount(), -1, "invalid notebook index"); int selOld = GetSelection(); @@ -276,94 +255,44 @@ int wxNotebook::DoSetSelection( size_t page, int flags ) bool wxNotebook::SetPageText( size_t page, const wxString &text ) { - wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") ); - - wxGtkNotebookPage* nb_page = GetNotebookPage(page); - - wxCHECK_MSG( nb_page, false, wxT("SetPageText: invalid page index") ); + wxCHECK_MSG(page < GetPageCount(), false, "invalid notebook index"); - nb_page->m_text = text; - - gtk_label_set_text( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) ); + GtkLabel* label = GTK_LABEL(GetNotebookPage(page)->m_label); + gtk_label_set_text(label, wxGTK_CONV(text)); return true; } bool wxNotebook::SetPageImage( size_t page, int image ) { - /* HvdH 28-12-98: now it works, but it's a bit of a kludge */ - - wxGtkNotebookPage* nb_page = GetNotebookPage(page); - - if (!nb_page) return false; - - /* Optimization posibility: return immediately if image unchanged. - * Not enabled because it may break existing (stupid) code that - * manipulates the imagelist to cycle images */ - - /* if (image == nb_page->m_image) return true; */ - - /* For different cases: - 1) no image -> no image - 2) image -> no image - 3) no image -> image - 4) image -> image */ - - if (image == -1 && nb_page->m_image == -1) - return true; /* Case 1): Nothing to do. */ + wxCHECK_MSG(page < GetPageCount(), false, "invalid notebook index"); - GtkWidget *pixmapwid = (GtkWidget*) NULL; - - if (nb_page->m_image != -1) + wxGtkNotebookPage* pageData = GetNotebookPage(page); + if (image >= 0) { - /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */ - - GList *child = gtk_container_get_children(GTK_CONTAINER(nb_page->m_box)); - while (child) + wxCHECK_MSG(m_imageList, false, "invalid notebook imagelist"); + const wxBitmap* bitmap = m_imageList->GetBitmapPtr(image); + if (bitmap == NULL) + return false; + if (pageData->m_image) { - if (GTK_IS_IMAGE(child->data)) - { - pixmapwid = GTK_WIDGET(child->data); - break; - } - child = child->next; + gtk_image_set_from_pixbuf( + GTK_IMAGE(pageData->m_image), bitmap->GetPixbuf()); } - - /* We should have the pixmap widget now */ - wxASSERT(pixmapwid != NULL); - - if (image == -1) + else { - /* If there's no new widget, just remove the old from the box */ - gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid); - nb_page->m_image = -1; - - return true; /* Case 2) */ + pageData->m_image = gtk_image_new_from_pixbuf(bitmap->GetPixbuf()); + gtk_widget_show(pageData->m_image); + gtk_box_pack_start(GTK_BOX(pageData->m_box), + pageData->m_image, false, false, m_padding); } } - - /* Only cases 3) and 4) left */ - wxASSERT( m_imageList != NULL ); /* Just in case */ - - /* Construct the new pixmap */ - const wxBitmap *bmp = m_imageList->GetBitmapPtr(image); - - if (pixmapwid == NULL) - { - /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */ - pixmapwid = gtk_image_new_from_pixbuf(bmp->GetPixbuf()); - - /* CHECKME: Are these pack flags okay? */ - gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding); - gtk_widget_show(pixmapwid); - } - else + else if (pageData->m_image) { - /* Case 4) Simply replace the pixmap */ - gtk_image_set_from_pixbuf((GtkImage*)pixmapwid, bmp->GetPixbuf()); + gtk_widget_destroy(pageData->m_image); + pageData->m_image = NULL; } - - nb_page->m_image = image; + pageData->m_imageIndex = image; return true; } @@ -379,24 +308,16 @@ void wxNotebook::SetPadding( const wxSize &padding ) m_padding = padding.GetWidth(); - int i; - for (i=0; im_image != -1) + wxGtkNotebookPage* pageData = GetNotebookPage(i); + if (pageData->m_image) { - // gtk_box_set_child_packing sets padding on BOTH sides - // icon provides left padding, label provides center and right - int image = nb_page->m_image; - SetPageImage(i,-1); - SetPageImage(i,image); + gtk_box_set_child_packing(GTK_BOX(pageData->m_box), + pageData->m_image, false, false, m_padding, GTK_PACK_START); } - wxASSERT(nb_page->m_label); - gtk_box_set_child_packing(GTK_BOX(nb_page->m_box), - GTK_WIDGET(nb_page->m_label), - FALSE, FALSE, m_padding, GTK_PACK_END); + gtk_box_set_child_packing(GTK_BOX(pageData->m_box), + pageData->m_label, false, false, m_padding, GTK_PACK_END); } } @@ -407,14 +328,9 @@ void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz)) bool wxNotebook::DeleteAllPages() { - wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") ); + for (size_t i = GetPageCount(); i--;) + DeletePage(i); - while (m_pagesData.GetCount() > 0) - DeletePage( m_pagesData.GetCount()-1 ); - - wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") ); - - InvalidateBestSize(); return wxNotebookBase::DeleteAllPages(); } @@ -473,54 +389,52 @@ bool wxNotebook::InsertPage( size_t position, GtkNotebook *notebook = GTK_NOTEBOOK(m_widget); - wxGtkNotebookPage *nb_page = new wxGtkNotebookPage(); - - if ( position == GetPageCount() ) - m_pagesData.Append( nb_page ); - else - m_pagesData.Insert( position, nb_page ); + wxGtkNotebookPage* pageData = new wxGtkNotebookPage; m_pages.Insert(win, position); + m_pagesData.Insert(position, pageData); // set the label image and text // this must be done before adding the page, as GetPageText // and GetPageImage will otherwise return wrong values in // the page-changed event that results from inserting the // first page. - nb_page->m_image = imageId; - nb_page->m_text = wxStripMenuCodes(text); + pageData->m_imageIndex = imageId; - nb_page->m_box = gtk_hbox_new( FALSE, 1 ); - gtk_container_set_border_width((GtkContainer*)nb_page->m_box, 2); - - gtk_notebook_insert_page(notebook, win->m_widget, nb_page->m_box, position); + pageData->m_box = gtk_hbox_new(false, 1); + gtk_container_set_border_width(GTK_CONTAINER(pageData->m_box), 2); + pageData->m_image = NULL; if (imageId != -1) { - wxASSERT( m_imageList != NULL ); - - const wxBitmap *bmp = m_imageList->GetBitmapPtr(imageId); - GtkWidget* pixmapwid = gtk_image_new_from_pixbuf(bmp->GetPixbuf()); - gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding); - gtk_widget_show(pixmapwid); + if (m_imageList) + { + const wxBitmap* bitmap = m_imageList->GetBitmapPtr(imageId); + pageData->m_image = gtk_image_new_from_pixbuf(bitmap->GetPixbuf()); + gtk_box_pack_start(GTK_BOX(pageData->m_box), + pageData->m_image, false, false, m_padding); + } + else + wxFAIL_MSG("invalid notebook imagelist"); } /* set the label text */ - nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) ); - gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding ); + pageData->m_label = gtk_label_new(wxGTK_CONV(wxStripMenuCodes(text))); + gtk_box_pack_end(GTK_BOX(pageData->m_box), + pageData->m_label, false, false, m_padding); + + gtk_widget_show_all(pageData->m_box); + gtk_notebook_insert_page(notebook, win->m_widget, pageData->m_box, position); /* apply current style */ GtkRcStyle *style = CreateWidgetStyle(); if ( style ) { - gtk_widget_modify_style(GTK_WIDGET(nb_page->m_label), style); + gtk_widget_modify_style(pageData->m_label, style); gtk_rc_style_unref(style); } - /* show the label */ - gtk_widget_show( GTK_WIDGET(nb_page->m_label) ); - - if (select && (m_pagesData.GetCount() > 1)) + if (select && GetPageCount() > 1) { SetSelection( position ); } @@ -557,8 +471,8 @@ int wxNotebook::HitTest(const wxPoint& pt, long *flags) const for ( ; i < count; i++ ) { - wxGtkNotebookPage* nb_page = GetNotebookPage(i); - GtkWidget *box = nb_page->m_box; + wxGtkNotebookPage* pageData = GetNotebookPage(i); + GtkWidget* box = pageData->m_box; const gint border = gtk_container_get_border_width(GTK_CONTAINER(box)); @@ -567,26 +481,11 @@ int wxNotebook::HitTest(const wxPoint& pt, long *flags) const // ok, we're inside this tab -- now find out where, if needed if ( flags ) { - GtkWidget *pixmap = NULL; - - GList *children = gtk_container_get_children(GTK_CONTAINER(box)); - for ( GList *child = children; child; child = child->next ) - { - if (GTK_IS_IMAGE(child->data)) - { - pixmap = GTK_WIDGET(child->data); - break; - } - } - - if ( children ) - g_list_free(children); - - if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) ) + if (pageData->m_image && IsPointInsideWidget(pt, pageData->m_image, x, y)) { *flags = wxBK_HITTEST_ONICON; } - else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) ) + else if (IsPointInsideWidget(pt, pageData->m_label, x, y)) { *flags = wxBK_HITTEST_ONLABEL; } @@ -648,9 +547,8 @@ bool wxNotebook::DoPhase( int WXUNUSED(nPhase) ) void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style) { gtk_widget_modify_style(m_widget, style); - size_t cnt = m_pagesData.GetCount(); - for (size_t i = 0; i < cnt; i++) - gtk_widget_modify_style(GTK_WIDGET(GetNotebookPage(i)->m_label), style); + for (size_t i = GetPageCount(); i--;) + gtk_widget_modify_style(GetNotebookPage(i)->m_label, style); } GdkWindow *wxNotebook::GTKGetWindow(wxArrayGdkWindows& windows) const -- 2.45.2