forked from AuroraMiddleware/gtk
notebook: Split out tabs size computation into its own function
This commit is contained in:
Benjamin Otte
parent
edd2f24b6e
commit
d7519e6ca2
@ -1949,17 +1949,24 @@ _gtk_notebook_get_tab_flags (GtkNotebook *notebook,
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}
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static void
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gtk_notebook_size_request (GtkWidget *widget,
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gtk_notebook_get_preferred_tabs_size (GtkNotebook *notebook,
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GtkRequisition *requisition)
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{
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GtkNotebook *notebook = GTK_NOTEBOOK (widget);
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GtkNotebookPrivate *priv = notebook->priv;
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GtkNotebookPage *page;
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GtkNotebookPrivate *priv;
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GtkWidget *widget;
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gint tab_width = 0;
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gint tab_height = 0;
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gint tab_max = 0;
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gint padding;
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gint i;
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gint action_width = 0;
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gint action_height = 0;
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guint vis_pages = 0;
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GList *children;
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GtkRequisition child_requisition;
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GtkNotebookPage *page;
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GtkRequisition action_widget_requisition[2] = { { 0 }, { 0 } };
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gboolean switch_page = FALSE;
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gint vis_pages;
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GtkRequisition child_requisition;
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GtkStyleContext *context;
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gint focus_width;
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gint focus_pad;
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gint tab_overlap;
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@ -1967,8 +1974,10 @@ gtk_notebook_size_request (GtkWidget *widget,
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gint arrow_spacing;
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gint scroll_arrow_hlength;
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gint scroll_arrow_vlength;
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guint border_width;
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priv = notebook->priv;
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widget = GTK_WIDGET (notebook);
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context = gtk_widget_get_style_context (widget);
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gtk_widget_style_get (widget,
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"focus-line-width", &focus_width,
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"focus-padding", &focus_pad,
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@ -1979,6 +1988,190 @@ gtk_notebook_size_request (GtkWidget *widget,
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"scroll-arrow-vlength", &scroll_arrow_vlength,
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NULL);
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for (children = priv->children; children;
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children = children->next)
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{
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page = children->data;
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if (gtk_widget_get_visible (page->child))
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{
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GtkBorder tab_padding;
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vis_pages++;
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if (!gtk_widget_get_visible (page->tab_label))
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gtk_widget_show (page->tab_label);
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gtk_widget_get_preferred_size (page->tab_label,
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&child_requisition, NULL);
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/* Get border/padding for tab */
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gtk_style_context_save (context);
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gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB,
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_gtk_notebook_get_tab_flags (notebook, page));
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gtk_style_context_get_padding (context, 0, &tab_padding);
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gtk_style_context_restore (context);
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page->requisition.width = child_requisition.width +
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tab_padding.left + tab_padding.right + 2 * (focus_width + focus_pad);
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page->requisition.height = child_requisition.height +
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tab_padding.top + tab_padding.bottom + 2 * (focus_width + focus_pad);
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switch (priv->tab_pos)
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{
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case GTK_POS_TOP:
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case GTK_POS_BOTTOM:
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page->requisition.height += 2 * priv->tab_vborder;
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tab_height = MAX (tab_height, page->requisition.height);
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tab_max = MAX (tab_max, page->requisition.width);
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break;
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case GTK_POS_LEFT:
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case GTK_POS_RIGHT:
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page->requisition.width += 2 * priv->tab_hborder;
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tab_width = MAX (tab_width, page->requisition.width);
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tab_max = MAX (tab_max, page->requisition.height);
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break;
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}
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}
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else if (gtk_widget_get_visible (page->tab_label))
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gtk_widget_hide (page->tab_label);
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}
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children = priv->children;
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if (vis_pages)
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{
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for (i = 0; i < N_ACTION_WIDGETS; i++)
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{
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if (priv->action_widget[i])
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{
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gtk_widget_get_preferred_size (priv->action_widget[i],
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&action_widget_requisition[i], NULL);
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}
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}
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switch (priv->tab_pos)
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{
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case GTK_POS_TOP:
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case GTK_POS_BOTTOM:
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if (tab_height == 0)
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break;
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if (priv->scrollable)
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tab_height = MAX (tab_height, scroll_arrow_hlength);
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tab_height = MAX (tab_height, action_widget_requisition[ACTION_WIDGET_START].height);
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tab_height = MAX (tab_height, action_widget_requisition[ACTION_WIDGET_END].height);
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padding = 2 * (tab_curvature + priv->tab_hborder) - tab_overlap;
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tab_max += padding;
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while (children)
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{
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page = children->data;
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children = children->next;
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if (!gtk_widget_get_visible (page->child))
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continue;
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if (priv->homogeneous)
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page->requisition.width = tab_max;
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else
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page->requisition.width += padding;
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tab_width += page->requisition.width;
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page->requisition.height = tab_height;
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}
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if (priv->scrollable)
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tab_width = MIN (tab_width,
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tab_max + 2 * (scroll_arrow_hlength + arrow_spacing));
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action_width += action_widget_requisition[ACTION_WIDGET_START].width;
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action_width += action_widget_requisition[ACTION_WIDGET_END].width;
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if (priv->homogeneous && !priv->scrollable)
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requisition->width = vis_pages * tab_max + tab_overlap + action_width;
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else
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requisition->width = tab_width + tab_overlap + action_width;
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requisition->height = tab_height;
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break;
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case GTK_POS_LEFT:
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case GTK_POS_RIGHT:
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if (tab_width == 0)
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break;
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if (priv->scrollable)
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tab_width = MAX (tab_width, arrow_spacing + 2 * scroll_arrow_vlength);
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tab_width = MAX (tab_width, action_widget_requisition[ACTION_WIDGET_START].width);
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tab_width = MAX (tab_width, action_widget_requisition[ACTION_WIDGET_END].width);
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padding = 2 * (tab_curvature + priv->tab_vborder) - tab_overlap;
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tab_max += padding;
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while (children)
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{
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page = children->data;
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children = children->next;
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if (!gtk_widget_get_visible (page->child))
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continue;
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page->requisition.width = tab_width;
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if (priv->homogeneous)
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page->requisition.height = tab_max;
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else
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page->requisition.height += padding;
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tab_height += page->requisition.height;
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}
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if (priv->scrollable)
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tab_height = MIN (tab_height,
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tab_max + (2 * scroll_arrow_vlength + arrow_spacing));
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action_height += action_widget_requisition[ACTION_WIDGET_START].height;
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action_height += action_widget_requisition[ACTION_WIDGET_END].height;
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if (priv->homogeneous && !priv->scrollable)
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requisition->height = vis_pages * tab_max + tab_overlap + action_height;
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else
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requisition->height = tab_height + tab_overlap + action_height;
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if (!priv->homogeneous || priv->scrollable)
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vis_pages = 1;
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requisition->height = MAX (requisition->height,
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vis_pages * tab_max + tab_overlap);
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requisition->width = tab_width;
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break;
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default:
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g_assert_not_reached ();
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requisition->width = 0;
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requisition->height = 0;
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}
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}
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else
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{
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requisition->width = 0;
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requisition->height = 0;
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}
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}
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static void
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gtk_notebook_size_request (GtkWidget *widget,
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GtkRequisition *requisition)
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{
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GtkNotebook *notebook = GTK_NOTEBOOK (widget);
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GtkNotebookPrivate *priv = notebook->priv;
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GtkNotebookPage *page;
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GList *children;
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GtkRequisition child_requisition;
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gboolean switch_page = FALSE;
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gint vis_pages;
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guint border_width;
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requisition->width = 0;
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requisition->height = 0;
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@ -2033,181 +2226,11 @@ gtk_notebook_size_request (GtkWidget *widget,
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if (priv->show_tabs)
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{
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gint tab_width = 0;
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gint tab_height = 0;
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gint tab_max = 0;
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gint padding;
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gint i;
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gint action_width = 0;
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gint action_height = 0;
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GtkRequisition tabs_requisition;
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for (children = priv->children; children;
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children = children->next)
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{
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page = children->data;
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if (gtk_widget_get_visible (page->child))
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{
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GtkBorder tab_padding;
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if (!gtk_widget_get_visible (page->tab_label))
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gtk_widget_show (page->tab_label);
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gtk_widget_get_preferred_size (page->tab_label,
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&child_requisition, NULL);
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/* Get border/padding for tab */
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gtk_style_context_save (context);
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gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB,
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_gtk_notebook_get_tab_flags (notebook, page));
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gtk_style_context_get_padding (context, 0, &tab_padding);
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gtk_style_context_restore (context);
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page->requisition.width = child_requisition.width +
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tab_padding.left + tab_padding.right + 2 * (focus_width + focus_pad);
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page->requisition.height = child_requisition.height +
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tab_padding.top + tab_padding.bottom + 2 * (focus_width + focus_pad);
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switch (priv->tab_pos)
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{
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case GTK_POS_TOP:
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case GTK_POS_BOTTOM:
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page->requisition.height += 2 * priv->tab_vborder;
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tab_height = MAX (tab_height, page->requisition.height);
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tab_max = MAX (tab_max, page->requisition.width);
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break;
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case GTK_POS_LEFT:
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case GTK_POS_RIGHT:
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page->requisition.width += 2 * priv->tab_hborder;
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tab_width = MAX (tab_width, page->requisition.width);
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tab_max = MAX (tab_max, page->requisition.height);
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break;
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}
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}
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else if (gtk_widget_get_visible (page->tab_label))
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gtk_widget_hide (page->tab_label);
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}
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children = priv->children;
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if (vis_pages)
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{
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for (i = 0; i < N_ACTION_WIDGETS; i++)
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{
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if (priv->action_widget[i])
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{
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gtk_widget_get_preferred_size (priv->action_widget[i],
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&action_widget_requisition[i], NULL);
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action_widget_requisition[i].width += notebook_padding.left;
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action_widget_requisition[i].height += notebook_padding.top;
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}
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}
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switch (priv->tab_pos)
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{
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case GTK_POS_TOP:
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case GTK_POS_BOTTOM:
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if (tab_height == 0)
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break;
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if (priv->scrollable)
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tab_height = MAX (tab_height, scroll_arrow_hlength);
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tab_height = MAX (tab_height, action_widget_requisition[ACTION_WIDGET_START].height);
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tab_height = MAX (tab_height, action_widget_requisition[ACTION_WIDGET_END].height);
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padding = 2 * (tab_curvature + priv->tab_hborder) - tab_overlap;
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tab_max += padding;
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while (children)
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{
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page = children->data;
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children = children->next;
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if (!gtk_widget_get_visible (page->child))
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continue;
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if (priv->homogeneous)
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page->requisition.width = tab_max;
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else
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page->requisition.width += padding;
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tab_width += page->requisition.width;
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page->requisition.height = tab_height;
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}
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if (priv->scrollable)
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tab_width = MIN (tab_width,
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tab_max + 2 * (scroll_arrow_hlength + arrow_spacing));
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action_width += action_widget_requisition[ACTION_WIDGET_START].width;
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action_width += action_widget_requisition[ACTION_WIDGET_END].width;
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if (priv->homogeneous && !priv->scrollable)
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requisition->width = MAX (requisition->width,
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vis_pages * tab_max +
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tab_overlap + action_width);
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else
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requisition->width = MAX (requisition->width,
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tab_width + tab_overlap + action_width);
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requisition->height += tab_height;
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break;
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case GTK_POS_LEFT:
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case GTK_POS_RIGHT:
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if (tab_width == 0)
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break;
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if (priv->scrollable)
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tab_width = MAX (tab_width, arrow_spacing + 2 * scroll_arrow_vlength);
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tab_width = MAX (tab_width, action_widget_requisition[ACTION_WIDGET_START].width);
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tab_width = MAX (tab_width, action_widget_requisition[ACTION_WIDGET_END].width);
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padding = 2 * (tab_curvature + priv->tab_vborder) - tab_overlap;
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tab_max += padding;
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while (children)
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{
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page = children->data;
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children = children->next;
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if (!gtk_widget_get_visible (page->child))
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continue;
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page->requisition.width = tab_width;
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if (priv->homogeneous)
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page->requisition.height = tab_max;
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else
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page->requisition.height += padding;
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tab_height += page->requisition.height;
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}
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if (priv->scrollable)
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tab_height = MIN (tab_height,
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tab_max + (2 * scroll_arrow_vlength + arrow_spacing));
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action_height += action_widget_requisition[ACTION_WIDGET_START].height;
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action_height += action_widget_requisition[ACTION_WIDGET_END].height;
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if (priv->homogeneous && !priv->scrollable)
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requisition->height =
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MAX (requisition->height,
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vis_pages * tab_max + tab_overlap + action_height);
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else
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requisition->height =
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MAX (requisition->height,
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tab_height + tab_overlap + action_height);
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if (!priv->homogeneous || priv->scrollable)
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vis_pages = 1;
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requisition->height = MAX (requisition->height,
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vis_pages * tab_max + tab_overlap);
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requisition->width += tab_width;
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break;
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}
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}
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gtk_notebook_get_preferred_tabs_size (notebook, &tabs_requisition);
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requisition->width += tabs_requisition.width;
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requisition->height += tabs_requisition.height;
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}
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else
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{
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