Commit d7519e6c authored by Benjamin Otte's avatar Benjamin Otte

notebook: Split out tabs size computation into its own function

parent edd2f24b
......@@ -1949,17 +1949,24 @@ _gtk_notebook_get_tab_flags (GtkNotebook *notebook,
}
static void
gtk_notebook_size_request (GtkWidget *widget,
GtkRequisition *requisition)
gtk_notebook_get_preferred_tabs_size (GtkNotebook *notebook,
GtkRequisition *requisition)
{
GtkNotebook *notebook = GTK_NOTEBOOK (widget);
GtkNotebookPrivate *priv = notebook->priv;
GtkNotebookPage *page;
GtkNotebookPrivate *priv;
GtkWidget *widget;
gint tab_width = 0;
gint tab_height = 0;
gint tab_max = 0;
gint padding;
gint i;
gint action_width = 0;
gint action_height = 0;
guint vis_pages = 0;
GList *children;
GtkRequisition child_requisition;
GtkNotebookPage *page;
GtkRequisition action_widget_requisition[2] = { { 0 }, { 0 } };
gboolean switch_page = FALSE;
gint vis_pages;
GtkRequisition child_requisition;
GtkStyleContext *context;
gint focus_width;
gint focus_pad;
gint tab_overlap;
......@@ -1967,8 +1974,10 @@ gtk_notebook_size_request (GtkWidget *widget,
gint arrow_spacing;
gint scroll_arrow_hlength;
gint scroll_arrow_vlength;
guint border_width;
priv = notebook->priv;
widget = GTK_WIDGET (notebook);
context = gtk_widget_get_style_context (widget);
gtk_widget_style_get (widget,
"focus-line-width", &focus_width,
"focus-padding", &focus_pad,
......@@ -1979,6 +1988,190 @@ gtk_notebook_size_request (GtkWidget *widget,
"scroll-arrow-vlength", &scroll_arrow_vlength,
NULL);
for (children = priv->children; children;
children = children->next)
{
page = children->data;
if (gtk_widget_get_visible (page->child))
{
GtkBorder tab_padding;
vis_pages++;
if (!gtk_widget_get_visible (page->tab_label))
gtk_widget_show (page->tab_label);
gtk_widget_get_preferred_size (page->tab_label,
&child_requisition, NULL);
/* Get border/padding for tab */
gtk_style_context_save (context);
gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB,
_gtk_notebook_get_tab_flags (notebook, page));
gtk_style_context_get_padding (context, 0, &tab_padding);
gtk_style_context_restore (context);
page->requisition.width = child_requisition.width +
tab_padding.left + tab_padding.right + 2 * (focus_width + focus_pad);
page->requisition.height = child_requisition.height +
tab_padding.top + tab_padding.bottom + 2 * (focus_width + focus_pad);
switch (priv->tab_pos)
{
case GTK_POS_TOP:
case GTK_POS_BOTTOM:
page->requisition.height += 2 * priv->tab_vborder;
tab_height = MAX (tab_height, page->requisition.height);
tab_max = MAX (tab_max, page->requisition.width);
break;
case GTK_POS_LEFT:
case GTK_POS_RIGHT:
page->requisition.width += 2 * priv->tab_hborder;
tab_width = MAX (tab_width, page->requisition.width);
tab_max = MAX (tab_max, page->requisition.height);
break;
}
}
else if (gtk_widget_get_visible (page->tab_label))
gtk_widget_hide (page->tab_label);
}
children = priv->children;
if (vis_pages)
{
for (i = 0; i < N_ACTION_WIDGETS; i++)
{
if (priv->action_widget[i])
{
gtk_widget_get_preferred_size (priv->action_widget[i],
&action_widget_requisition[i], NULL);
}
}
switch (priv->tab_pos)
{
case GTK_POS_TOP:
case GTK_POS_BOTTOM:
if (tab_height == 0)
break;
if (priv->scrollable)
tab_height = MAX (tab_height, scroll_arrow_hlength);
tab_height = MAX (tab_height, action_widget_requisition[ACTION_WIDGET_START].height);
tab_height = MAX (tab_height, action_widget_requisition[ACTION_WIDGET_END].height);
padding = 2 * (tab_curvature + priv->tab_hborder) - tab_overlap;
tab_max += padding;
while (children)
{
page = children->data;
children = children->next;
if (!gtk_widget_get_visible (page->child))
continue;
if (priv->homogeneous)
page->requisition.width = tab_max;
else
page->requisition.width += padding;
tab_width += page->requisition.width;
page->requisition.height = tab_height;
}
if (priv->scrollable)
tab_width = MIN (tab_width,
tab_max + 2 * (scroll_arrow_hlength + arrow_spacing));
action_width += action_widget_requisition[ACTION_WIDGET_START].width;
action_width += action_widget_requisition[ACTION_WIDGET_END].width;
if (priv->homogeneous && !priv->scrollable)
requisition->width = vis_pages * tab_max + tab_overlap + action_width;
else
requisition->width = tab_width + tab_overlap + action_width;
requisition->height = tab_height;
break;
case GTK_POS_LEFT:
case GTK_POS_RIGHT:
if (tab_width == 0)
break;
if (priv->scrollable)
tab_width = MAX (tab_width, arrow_spacing + 2 * scroll_arrow_vlength);
tab_width = MAX (tab_width, action_widget_requisition[ACTION_WIDGET_START].width);
tab_width = MAX (tab_width, action_widget_requisition[ACTION_WIDGET_END].width);
padding = 2 * (tab_curvature + priv->tab_vborder) - tab_overlap;
tab_max += padding;
while (children)
{
page = children->data;
children = children->next;
if (!gtk_widget_get_visible (page->child))
continue;
page->requisition.width = tab_width;
if (priv->homogeneous)
page->requisition.height = tab_max;
else
page->requisition.height += padding;
tab_height += page->requisition.height;
}
if (priv->scrollable)
tab_height = MIN (tab_height,
tab_max + (2 * scroll_arrow_vlength + arrow_spacing));
action_height += action_widget_requisition[ACTION_WIDGET_START].height;
action_height += action_widget_requisition[ACTION_WIDGET_END].height;
if (priv->homogeneous && !priv->scrollable)
requisition->height = vis_pages * tab_max + tab_overlap + action_height;
else
requisition->height = tab_height + tab_overlap + action_height;
if (!priv->homogeneous || priv->scrollable)
vis_pages = 1;
requisition->height = MAX (requisition->height,
vis_pages * tab_max + tab_overlap);
requisition->width = tab_width;
break;
default:
g_assert_not_reached ();
requisition->width = 0;
requisition->height = 0;
}
}
else
{
requisition->width = 0;
requisition->height = 0;
}
}
static void
gtk_notebook_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkNotebook *notebook = GTK_NOTEBOOK (widget);
GtkNotebookPrivate *priv = notebook->priv;
GtkNotebookPage *page;
GList *children;
GtkRequisition child_requisition;
gboolean switch_page = FALSE;
gint vis_pages;
guint border_width;
requisition->width = 0;
requisition->height = 0;
......@@ -2033,181 +2226,11 @@ gtk_notebook_size_request (GtkWidget *widget,
if (priv->show_tabs)
{
gint tab_width = 0;
gint tab_height = 0;
gint tab_max = 0;
gint padding;
gint i;
gint action_width = 0;
gint action_height = 0;
for (children = priv->children; children;
children = children->next)
{
page = children->data;
if (gtk_widget_get_visible (page->child))
{
GtkBorder tab_padding;
if (!gtk_widget_get_visible (page->tab_label))
gtk_widget_show (page->tab_label);
gtk_widget_get_preferred_size (page->tab_label,
&child_requisition, NULL);
/* Get border/padding for tab */
gtk_style_context_save (context);
gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB,
_gtk_notebook_get_tab_flags (notebook, page));
gtk_style_context_get_padding (context, 0, &tab_padding);
gtk_style_context_restore (context);
page->requisition.width = child_requisition.width +
tab_padding.left + tab_padding.right + 2 * (focus_width + focus_pad);
page->requisition.height = child_requisition.height +
tab_padding.top + tab_padding.bottom + 2 * (focus_width + focus_pad);
switch (priv->tab_pos)
{
case GTK_POS_TOP:
case GTK_POS_BOTTOM:
page->requisition.height += 2 * priv->tab_vborder;
tab_height = MAX (tab_height, page->requisition.height);
tab_max = MAX (tab_max, page->requisition.width);
break;
case GTK_POS_LEFT:
case GTK_POS_RIGHT:
page->requisition.width += 2 * priv->tab_hborder;
tab_width = MAX (tab_width, page->requisition.width);
tab_max = MAX (tab_max, page->requisition.height);
break;
}
}
else if (gtk_widget_get_visible (page->tab_label))
gtk_widget_hide (page->tab_label);
}
children = priv->children;
if (vis_pages)
{
for (i = 0; i < N_ACTION_WIDGETS; i++)
{
if (priv->action_widget[i])
{
gtk_widget_get_preferred_size (priv->action_widget[i],
&action_widget_requisition[i], NULL);
action_widget_requisition[i].width += notebook_padding.left;
action_widget_requisition[i].height += notebook_padding.top;
}
}
switch (priv->tab_pos)
{
case GTK_POS_TOP:
case GTK_POS_BOTTOM:
if (tab_height == 0)
break;
if (priv->scrollable)
tab_height = MAX (tab_height, scroll_arrow_hlength);
tab_height = MAX (tab_height, action_widget_requisition[ACTION_WIDGET_START].height);
tab_height = MAX (tab_height, action_widget_requisition[ACTION_WIDGET_END].height);
padding = 2 * (tab_curvature + priv->tab_hborder) - tab_overlap;
tab_max += padding;
while (children)
{
page = children->data;
children = children->next;
if (!gtk_widget_get_visible (page->child))
continue;
if (priv->homogeneous)
page->requisition.width = tab_max;
else
page->requisition.width += padding;
tab_width += page->requisition.width;
page->requisition.height = tab_height;
}
GtkRequisition tabs_requisition;
if (priv->scrollable)
tab_width = MIN (tab_width,
tab_max + 2 * (scroll_arrow_hlength + arrow_spacing));
action_width += action_widget_requisition[ACTION_WIDGET_START].width;
action_width += action_widget_requisition[ACTION_WIDGET_END].width;
if (priv->homogeneous && !priv->scrollable)
requisition->width = MAX (requisition->width,
vis_pages * tab_max +
tab_overlap + action_width);
else
requisition->width = MAX (requisition->width,
tab_width + tab_overlap + action_width);
requisition->height += tab_height;
break;
case GTK_POS_LEFT:
case GTK_POS_RIGHT:
if (tab_width == 0)
break;
if (priv->scrollable)
tab_width = MAX (tab_width, arrow_spacing + 2 * scroll_arrow_vlength);
tab_width = MAX (tab_width, action_widget_requisition[ACTION_WIDGET_START].width);
tab_width = MAX (tab_width, action_widget_requisition[ACTION_WIDGET_END].width);
padding = 2 * (tab_curvature + priv->tab_vborder) - tab_overlap;
tab_max += padding;
while (children)
{
page = children->data;
children = children->next;
if (!gtk_widget_get_visible (page->child))
continue;
page->requisition.width = tab_width;
if (priv->homogeneous)
page->requisition.height = tab_max;
else
page->requisition.height += padding;
tab_height += page->requisition.height;
}
if (priv->scrollable)
tab_height = MIN (tab_height,
tab_max + (2 * scroll_arrow_vlength + arrow_spacing));
action_height += action_widget_requisition[ACTION_WIDGET_START].height;
action_height += action_widget_requisition[ACTION_WIDGET_END].height;
if (priv->homogeneous && !priv->scrollable)
requisition->height =
MAX (requisition->height,
vis_pages * tab_max + tab_overlap + action_height);
else
requisition->height =
MAX (requisition->height,
tab_height + tab_overlap + action_height);
if (!priv->homogeneous || priv->scrollable)
vis_pages = 1;
requisition->height = MAX (requisition->height,
vis_pages * tab_max + tab_overlap);
requisition->width += tab_width;
break;
}
}
gtk_notebook_get_preferred_tabs_size (notebook, &tabs_requisition);
requisition->width += tabs_requisition.width;
requisition->height += tabs_requisition.height;
}
else
{
......
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