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implement extended layout for GtkTreeView and GtkTreeViewColumn

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This commit is contained in:
Matthias Clasen 2009-12-19 02:07:51 -05:00
parent 56edab3553
commit d4b1f0cadf
4 changed files with 185 additions and 39 deletions
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7
gtk/gtktreeprivate.h
View File

@ -77,6 +77,8 @@ enum
*/
#define TREE_VIEW_COLUMN_DRAG_DEAD_MULTIPLIER(tree_view) (10*TREE_VIEW_HEADER_HEIGHT(tree_view))
#define GTK_TREE_VIEW_COLUMN_GET_PRIVATE(column) (G_TYPE_INSTANCE_GET_PRIVATE ((column), GTK_TYPE_TREE_VIEW_COLUMN, GtkTreeViewColumnPrivate))
typedef struct _GtkTreeViewColumnReorder GtkTreeViewColumnReorder;
struct _GtkTreeViewColumnReorder
{
@ -298,6 +300,11 @@ struct _GtkTreeViewPrivate
guint search_entry_avoid_unhandled_binding : 1;
};
struct _GtkTreeViewColumnPrivate
{
gint natural_width;
};
#ifdef __GNUC__
#define TREE_VIEW_INTERNAL_ASSERT(expr, ret) G_STMT_START{ \

117
gtk/gtktreeview.c
View File

@ -27,6 +27,7 @@
#include "gtktreednd.h"
#include "gtktreeprivate.h"
#include "gtkcellrenderer.h"
#include "gtkextendedlayout.h"
#include "gtkmain.h"
#include "gtkmarshalers.h"
#include "gtkbuildable.h"
@ -469,7 +470,7 @@ static void gtk_tree_view_buildable_add_child (GtkBuildable *tree_view,
GObject *child,
const gchar *type);
static void gtk_tree_view_buildable_init (GtkBuildableIface *iface);
static void gtk_tree_view_extended_layout_init (GtkExtendedLayoutIface *iface);
static gboolean scroll_row_timeout (gpointer data);
static void add_scroll_timeout (GtkTreeView *tree_view);
@ -484,7 +485,10 @@ static guint tree_view_signals [LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE_WITH_CODE (GtkTreeView, gtk_tree_view, GTK_TYPE_CONTAINER,
G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
gtk_tree_view_buildable_init))
gtk_tree_view_buildable_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_EXTENDED_LAYOUT,
gtk_tree_view_extended_layout_init))
static void
gtk_tree_view_class_init (GtkTreeViewClass *class)
@ -2141,6 +2145,28 @@ gtk_tree_view_get_real_requested_width_from_column (GtkTreeView *tree_view
return real_requested_width;
}
static gint
gtk_tree_view_get_real_natural_width_from_column (GtkTreeView *tree_view,
GtkTreeViewColumn *column)
{
GtkTreeViewColumnPrivate *column_priv;
GtkRequisition button_natural_size;
gint column_natural_width;
column_priv = GTK_TREE_VIEW_COLUMN_GET_PRIVATE (column);
column_natural_width = column_priv->natural_width;
if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
{
gtk_extended_layout_get_desired_size (GTK_EXTENDED_LAYOUT (column->button),
NULL, &button_natural_size);
column_natural_width = MAX (column_natural_width, button_natural_size.width);
}
return column_natural_width;
}
/* GtkWidget::size_allocate helper */
static void
gtk_tree_view_size_allocate_columns (GtkWidget *widget,
@ -2150,9 +2176,10 @@ gtk_tree_view_size_allocate_columns (GtkWidget *widget,
GList *list, *first_column, *last_column;
GtkTreeViewColumn *column;
GtkAllocation allocation;
gint width = 0;
gint width = 0, natural_width;
gint extra, extra_per_column, extra_for_last;
gint full_requested_width = 0;
gint full_natural_width = 0;
gint number_of_expand_columns = 0;
gboolean column_changed = FALSE;
gboolean rtl;
@ -2186,6 +2213,7 @@ gtk_tree_view_size_allocate_columns (GtkWidget *widget,
continue;
full_requested_width += gtk_tree_view_get_real_requested_width_from_column (tree_view, column);
full_natural_width += gtk_tree_view_get_real_natural_width_from_column (tree_view, column);
if (column->expand)
number_of_expand_columns++;
@ -2210,7 +2238,9 @@ gtk_tree_view_size_allocate_columns (GtkWidget *widget,
}
else
{
full_natural_width -= full_requested_width;
extra = MAX (widget->allocation.width - full_requested_width, 0);
natural_width = MIN (extra, full_natural_width);
extra_for_last = 0;
tree_view->priv->last_extra_space = extra;
@ -2232,6 +2262,7 @@ gtk_tree_view_size_allocate_columns (GtkWidget *widget,
list = (rtl ? list->prev : list->next))
{
gint real_requested_width = 0;
gint real_natural_width = 0;
gint old_width;
column = list->data;
@ -2257,10 +2288,14 @@ gtk_tree_view_size_allocate_columns (GtkWidget *widget,
}
real_requested_width = gtk_tree_view_get_real_requested_width_from_column (tree_view, column);
real_natural_width = gtk_tree_view_get_real_natural_width_from_column (tree_view, column);
real_natural_width -= real_requested_width;
allocation.x = width;
column->width = real_requested_width;
if (full_natural_width > 0)
column->width += natural_width * real_natural_width / full_natural_width;
if (column->expand)
{
if (number_of_expand_columns == 1)
@ -5656,10 +5691,13 @@ validate_row (GtkTreeView *tree_view,
for (list = tree_view->priv->columns; list; list = list->next)
{
gint tmp_width;
gint tmp_height;
GtkTreeViewColumnPrivate *column_priv;
GtkRequisition requested_size;
GtkRequisition natural_size;
gint padding;
column = list->data;
column_priv = GTK_TREE_VIEW_COLUMN_GET_PRIVATE (column);
if (! column->visible)
continue;
@ -5672,12 +5710,15 @@ validate_row (GtkTreeView *tree_view,
node->children?TRUE:FALSE);
gtk_tree_view_column_cell_get_size (column,
NULL, NULL, NULL,
&tmp_width, &tmp_height);
&requested_size.width,
&requested_size.height);
gtk_extended_layout_get_desired_size (GTK_EXTENDED_LAYOUT (column),
NULL, &natural_size);
if (!is_separator)
{
tmp_height += vertical_separator;
height = MAX (height, tmp_height);
requested_size.height += vertical_separator;
height = MAX (height, requested_size.height);
height = MAX (height, tree_view->priv->expander_size);
}
else
@ -5690,26 +5731,31 @@ validate_row (GtkTreeView *tree_view,
if (gtk_tree_view_is_expander_column (tree_view, column))
{
tmp_width = tmp_width + horizontal_separator + (depth - 1) * tree_view->priv->level_indentation;
padding = horizontal_separator + (depth - 1) * tree_view->priv->level_indentation;
if (TREE_VIEW_DRAW_EXPANDERS (tree_view))
tmp_width += depth * tree_view->priv->expander_size;
padding += depth * tree_view->priv->expander_size;
}
else
tmp_width = tmp_width + horizontal_separator;
padding = horizontal_separator;
if (draw_vgrid_lines)
{
if (list->data == first_column || list->data == last_column)
tmp_width += grid_line_width / 2.0;
padding += grid_line_width / 2.0;
else
tmp_width += grid_line_width;
padding += grid_line_width;
}
if (tmp_width > column->requested_width)
requested_size.width += padding;
natural_size.width += padding;
if (requested_size.width > column->requested_width ||
natural_size.width > column_priv->natural_width)
{
retval = TRUE;
column->requested_width = tmp_width;
column->requested_width = requested_size.width;
column_priv->natural_width = natural_size.width;
}
}
@ -15636,5 +15682,46 @@ gtk_tree_view_get_tooltip_column (GtkTreeView *tree_view)
return tree_view->priv->tooltip_column;
}
static void
gtk_tree_view_extended_layout_get_desired_size (GtkExtendedLayout *layout,
GtkRequisition *minimal_size,
GtkRequisition *desired_size)
{
GtkTreeView *tree_view;
gint natural_width = 0;
GList *column_iter;
GtkRequisition requisition;
tree_view = GTK_TREE_VIEW (layout);
gtk_widget_size_request (GTK_WIDGET (layout), &requisition);
for (column_iter = tree_view->priv->columns; column_iter; column_iter = column_iter->next)
{
GtkTreeViewColumn *column = column_iter->data;
if (!column->visible)
continue;
natural_width += gtk_tree_view_get_real_natural_width_from_column (tree_view, column);
}
if (minimal_size)
*minimal_size = requisition;
if (desired_size)
{
desired_size->height = requisition.height;
desired_size->width = natural_width;
}
}
static void
gtk_tree_view_extended_layout_init (GtkExtendedLayoutIface *iface)
{
iface->get_desired_size = gtk_tree_view_extended_layout_get_desired_size;
}
#define __GTK_TREE_VIEW_C__
#include "gtkaliasdef.c"

99
gtk/gtktreeviewcolumn.c
View File

@ -26,6 +26,7 @@
#include "gtkbutton.h"
#include "gtkalignment.h"
#include "gtklabel.h"
#include "gtkextendedlayout.h"
#include "gtkhbox.h"
#include "gtkmarshalers.h"
#include "gtkarrow.h"
@ -155,13 +156,18 @@ static void gtk_tree_view_column_clear_attributes_by_info (GtkTreeViewColum
/* GtkBuildable implementation */
static void gtk_tree_view_column_buildable_init (GtkBuildableIface *iface);
static void gtk_tree_view_column_extended_layout_init (GtkExtendedLayoutIface *iface);
static guint tree_column_signals[LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE_WITH_CODE (GtkTreeViewColumn, gtk_tree_view_column, GTK_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_LAYOUT,
gtk_tree_view_column_cell_layout_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
gtk_tree_view_column_buildable_init))
gtk_tree_view_column_buildable_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_EXTENDED_LAYOUT,
gtk_tree_view_column_extended_layout_init))
static void
@ -344,6 +350,8 @@ gtk_tree_view_column_class_init (GtkTreeViewColumnClass *class)
G_MAXINT,
-1,
GTK_PARAM_READWRITE));
g_type_class_add_private (class, sizeof (GtkTreeViewColumnPrivate));
}
static void
@ -2608,12 +2616,12 @@ gtk_tree_view_column_cell_set_cell_data (GtkTreeViewColumn *tree_column,
* primarily by the #GtkTreeView.
**/
void
gtk_tree_view_column_cell_get_size (GtkTreeViewColumn *tree_column,
gtk_tree_view_column_cell_get_real_size (GtkTreeViewColumn *tree_column,
const GdkRectangle *cell_area,
gint *x_offset,
gint *y_offset,
gint *width,
gint *height)
GtkRequisition *minimal_size,
GtkRequisition *desired_size)
{
GList *list;
gboolean first_cell = TRUE;
@ -2621,10 +2629,10 @@ gtk_tree_view_column_cell_get_size (GtkTreeViewColumn *tree_column,
g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
if (height)
* height = 0;
if (width)
* width = 0;
minimal_size->height = 0;
minimal_size->width = 0;
desired_size->height = 0;
desired_size->width = 0;
gtk_widget_style_get (tree_column->tree_view, "focus-line-width", &focus_line_width, NULL);
@ -2632,33 +2640,59 @@ gtk_tree_view_column_cell_get_size (GtkTreeViewColumn *tree_column,
{
GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data;
gboolean visible;
gint new_height = 0;
gint new_width = 0;
GtkRequisition min_req, nat_req;
g_object_get (info->cell, "visible", &visible, NULL);
if (visible == FALSE)
continue;
if (first_cell == FALSE && width)
*width += tree_column->spacing;
if (first_cell == FALSE)
{
min_req.width += tree_column->spacing;
nat_req.width += tree_column->spacing;
}
gtk_cell_renderer_get_size (info->cell,
tree_column->tree_view,
cell_area,
x_offset,
y_offset,
&new_width,
&new_height);
gtk_extended_layout_get_desired_size (GTK_EXTENDED_LAYOUT (info->cell),
&min_req, &nat_req);
min_req.width += focus_line_width * 2;
min_req.height += focus_line_width * 2;
nat_req.width += focus_line_width * 2;
nat_req.height += focus_line_width * 2;
info->requested_width = MAX (info->requested_width, min_req.width);
if (height)
* height = MAX (*height, new_height + focus_line_width * 2);
info->requested_width = MAX (info->requested_width, new_width + focus_line_width * 2);
if (width)
* width += info->requested_width;
first_cell = FALSE;
if (minimal_size)
*minimal_size = min_req;
if (desired_size)
*desired_size = nat_req;
}
}
void
gtk_tree_view_column_cell_get_size (GtkTreeViewColumn *tree_column,
const GdkRectangle *cell_area,
gint *x_offset,
gint *y_offset,
gint *width,
gint *height)
{
GtkRequisition min_req;
gtk_tree_view_column_cell_get_real_size (tree_column, cell_area,
x_offset, y_offset, &min_req, NULL);
if (width)
*width = min_req.width;
if (height)
*height = min_req.height;
}
/* rendering, event handling and rendering focus are somewhat complicated, and
* quite a bit of code. Rather than duplicate them, we put them together to
* keep the code in one place.
@ -3784,5 +3818,22 @@ gtk_tree_view_column_get_tree_view (GtkTreeViewColumn *tree_column)
return tree_column->tree_view;
}
static void
gtk_tree_view_column_extended_layout_get_desired_size (GtkExtendedLayout *layout,
GtkRequisition *minimal_size,
GtkRequisition *desired_size)
{
gtk_tree_view_column_cell_get_real_size (GTK_TREE_VIEW_COLUMN (layout),
NULL, NULL, NULL,
minimal_size, desired_size);
}
static void
gtk_tree_view_column_extended_layout_init (GtkExtendedLayoutIface *iface)
{
iface->get_desired_size = gtk_tree_view_column_extended_layout_get_desired_size;
}
#define __GTK_TREE_VIEW_COLUMN_C__
#include "gtkaliasdef.c"

1
gtk/gtktreeviewcolumn.h
View File

@ -51,6 +51,7 @@ typedef enum
typedef struct _GtkTreeViewColumn GtkTreeViewColumn;
typedef struct _GtkTreeViewColumnClass GtkTreeViewColumnClass;
typedef struct _GtkTreeViewColumnPrivate GtkTreeViewColumnPrivate;
typedef void (* GtkTreeCellDataFunc) (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,