forked from bratsche/gtk-
/
gtkctree.c
6109 lines (5152 loc) · 160 KB
/
gtkctree.c
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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball, Josh MacDonald,
* Copyright (C) 1997-1998 Jay Painter <jpaint@serv.net><jpaint@gimp.org>
*
* GtkCTree widget for GTK+
* Copyright (C) 1998 Lars Hamann and Stefan Jeske
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include <stdlib.h>
#undef GTK_DISABLE_DEPRECATED
#define __GTK_CTREE_C__
#include "gtkctree.h"
#include "gtkbindings.h"
#include "gtkmain.h"
#include "gtkmarshalers.h"
#include "gtkdnd.h"
#include "gtkintl.h"
#include <gdk/gdkkeysyms.h>
#include "gtkalias.h"
#define PM_SIZE 8
#define TAB_SIZE (PM_SIZE + 6)
#define CELL_SPACING 1
#define CLIST_OPTIMUM_SIZE 64
#define COLUMN_INSET 3
#define DRAG_WIDTH 6
#define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
(((row) + 1) * CELL_SPACING) + \
(clist)->voffset)
#define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
((clist)->row_height + CELL_SPACING))
#define COLUMN_LEFT_XPIXEL(clist, col) ((clist)->column[(col)].area.x \
+ (clist)->hoffset)
#define COLUMN_LEFT(clist, column) ((clist)->column[(column)].area.x)
static inline gint
COLUMN_FROM_XPIXEL (GtkCList * clist,
gint x)
{
gint i, cx;
for (i = 0; i < clist->columns; i++)
if (clist->column[i].visible)
{
cx = clist->column[i].area.x + clist->hoffset;
if (x >= (cx - (COLUMN_INSET + CELL_SPACING)) &&
x <= (cx + clist->column[i].area.width + COLUMN_INSET))
return i;
}
/* no match */
return -1;
}
#define CLIST_UNFROZEN(clist) (((GtkCList*) (clist))->freeze_count == 0)
#define CLIST_REFRESH(clist) G_STMT_START { \
if (CLIST_UNFROZEN (clist)) \
GTK_CLIST_GET_CLASS (clist)->refresh ((GtkCList*) (clist)); \
} G_STMT_END
enum {
ARG_0,
ARG_N_COLUMNS,
ARG_TREE_COLUMN,
ARG_INDENT,
ARG_SPACING,
ARG_SHOW_STUB,
ARG_LINE_STYLE,
ARG_EXPANDER_STYLE
};
static void gtk_ctree_class_init (GtkCTreeClass *klass);
static void gtk_ctree_init (GtkCTree *ctree);
static GObject* gtk_ctree_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_params);
static void gtk_ctree_set_arg (GtkObject *object,
GtkArg *arg,
guint arg_id);
static void gtk_ctree_get_arg (GtkObject *object,
GtkArg *arg,
guint arg_id);
static void gtk_ctree_realize (GtkWidget *widget);
static void gtk_ctree_unrealize (GtkWidget *widget);
static gint gtk_ctree_button_press (GtkWidget *widget,
GdkEventButton *event);
static void ctree_attach_styles (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void ctree_detach_styles (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static gint draw_cell_pixmap (GdkWindow *window,
GdkRectangle *clip_rectangle,
GdkGC *fg_gc,
GdkPixmap *pixmap,
GdkBitmap *mask,
gint x,
gint y,
gint width,
gint height);
static void get_cell_style (GtkCList *clist,
GtkCListRow *clist_row,
gint state,
gint column,
GtkStyle **style,
GdkGC **fg_gc,
GdkGC **bg_gc);
static gint gtk_ctree_draw_expander (GtkCTree *ctree,
GtkCTreeRow *ctree_row,
GtkStyle *style,
GdkRectangle *clip_rectangle,
gint x);
static gint gtk_ctree_draw_lines (GtkCTree *ctree,
GtkCTreeRow *ctree_row,
gint row,
gint column,
gint state,
GdkRectangle *clip_rectangle,
GdkRectangle *cell_rectangle,
GdkRectangle *crect,
GdkRectangle *area,
GtkStyle *style);
static void draw_row (GtkCList *clist,
GdkRectangle *area,
gint row,
GtkCListRow *clist_row);
static void draw_drag_highlight (GtkCList *clist,
GtkCListRow *dest_row,
gint dest_row_number,
GtkCListDragPos drag_pos);
static void tree_draw_node (GtkCTree *ctree,
GtkCTreeNode *node);
static void set_cell_contents (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GtkCellType type,
const gchar *text,
guint8 spacing,
GdkPixmap *pixmap,
GdkBitmap *mask);
static void set_node_info (GtkCTree *ctree,
GtkCTreeNode *node,
const gchar *text,
guint8 spacing,
GdkPixmap *pixmap_closed,
GdkBitmap *mask_closed,
GdkPixmap *pixmap_opened,
GdkBitmap *mask_opened,
gboolean is_leaf,
gboolean expanded);
static GtkCTreeRow *row_new (GtkCTree *ctree);
static void row_delete (GtkCTree *ctree,
GtkCTreeRow *ctree_row);
static void tree_delete (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void tree_delete_row (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void real_clear (GtkCList *clist);
static void tree_update_level (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void tree_select (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void tree_unselect (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void real_select_all (GtkCList *clist);
static void real_unselect_all (GtkCList *clist);
static void tree_expand (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void tree_collapse (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void tree_collapse_to_depth (GtkCTree *ctree,
GtkCTreeNode *node,
gint depth);
static void tree_toggle_expansion (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void change_focus_row_expansion (GtkCTree *ctree,
GtkCTreeExpansionType expansion);
static void real_select_row (GtkCList *clist,
gint row,
gint column,
GdkEvent *event);
static void real_unselect_row (GtkCList *clist,
gint row,
gint column,
GdkEvent *event);
static void real_tree_select (GtkCTree *ctree,
GtkCTreeNode *node,
gint column);
static void real_tree_unselect (GtkCTree *ctree,
GtkCTreeNode *node,
gint column);
static void real_tree_expand (GtkCTree *ctree,
GtkCTreeNode *node);
static void real_tree_collapse (GtkCTree *ctree,
GtkCTreeNode *node);
static void real_tree_move (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeNode *new_parent,
GtkCTreeNode *new_sibling);
static void real_row_move (GtkCList *clist,
gint source_row,
gint dest_row);
static void gtk_ctree_link (GtkCTree *ctree,
GtkCTreeNode *node,
GtkCTreeNode *parent,
GtkCTreeNode *sibling,
gboolean update_focus_row);
static void gtk_ctree_unlink (GtkCTree *ctree,
GtkCTreeNode *node,
gboolean update_focus_row);
static GtkCTreeNode * gtk_ctree_last_visible (GtkCTree *ctree,
GtkCTreeNode *node);
static gboolean ctree_is_hot_spot (GtkCTree *ctree,
GtkCTreeNode *node,
gint row,
gint x,
gint y);
static void tree_sort (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static void fake_unselect_all (GtkCList *clist,
gint row);
static GList * selection_find (GtkCList *clist,
gint row_number,
GList *row_list_element);
static void resync_selection (GtkCList *clist,
GdkEvent *event);
static void real_undo_selection (GtkCList *clist);
static void select_row_recursive (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data);
static gint real_insert_row (GtkCList *clist,
gint row,
gchar *text[]);
static void real_remove_row (GtkCList *clist,
gint row);
static void real_sort_list (GtkCList *clist);
static void cell_size_request (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
GtkRequisition *requisition);
static void column_auto_resize (GtkCList *clist,
GtkCListRow *clist_row,
gint column,
gint old_width);
static void auto_resize_columns (GtkCList *clist);
static gboolean check_drag (GtkCTree *ctree,
GtkCTreeNode *drag_source,
GtkCTreeNode *drag_target,
GtkCListDragPos insert_pos);
static void gtk_ctree_drag_begin (GtkWidget *widget,
GdkDragContext *context);
static gint gtk_ctree_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static void gtk_ctree_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint32 time);
static void remove_grab (GtkCList *clist);
static void drag_dest_cell (GtkCList *clist,
gint x,
gint y,
GtkCListDestInfo *dest_info);
enum
{
TREE_SELECT_ROW,
TREE_UNSELECT_ROW,
TREE_EXPAND,
TREE_COLLAPSE,
TREE_MOVE,
CHANGE_FOCUS_ROW_EXPANSION,
LAST_SIGNAL
};
static GtkCListClass *parent_class = NULL;
static GtkContainerClass *container_class = NULL;
static guint ctree_signals[LAST_SIGNAL] = {0};
GtkType
gtk_ctree_get_type (void)
{
static GtkType ctree_type = 0;
if (!ctree_type)
{
static const GtkTypeInfo ctree_info =
{
"GtkCTree",
sizeof (GtkCTree),
sizeof (GtkCTreeClass),
(GtkClassInitFunc) gtk_ctree_class_init,
(GtkObjectInitFunc) gtk_ctree_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
I_("GtkCTree");
ctree_type = gtk_type_unique (GTK_TYPE_CLIST, &ctree_info);
}
return ctree_type;
}
static void
gtk_ctree_class_init (GtkCTreeClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkCListClass *clist_class;
GtkBindingSet *binding_set;
gobject_class->constructor = gtk_ctree_constructor;
object_class = (GtkObjectClass *) klass;
widget_class = (GtkWidgetClass *) klass;
container_class = (GtkContainerClass *) klass;
clist_class = (GtkCListClass *) klass;
parent_class = gtk_type_class (GTK_TYPE_CLIST);
container_class = gtk_type_class (GTK_TYPE_CONTAINER);
object_class->set_arg = gtk_ctree_set_arg;
object_class->get_arg = gtk_ctree_get_arg;
widget_class->realize = gtk_ctree_realize;
widget_class->unrealize = gtk_ctree_unrealize;
widget_class->button_press_event = gtk_ctree_button_press;
widget_class->drag_begin = gtk_ctree_drag_begin;
widget_class->drag_motion = gtk_ctree_drag_motion;
widget_class->drag_data_received = gtk_ctree_drag_data_received;
clist_class->select_row = real_select_row;
clist_class->unselect_row = real_unselect_row;
clist_class->row_move = real_row_move;
clist_class->undo_selection = real_undo_selection;
clist_class->resync_selection = resync_selection;
clist_class->selection_find = selection_find;
clist_class->click_column = NULL;
clist_class->draw_row = draw_row;
clist_class->draw_drag_highlight = draw_drag_highlight;
clist_class->clear = real_clear;
clist_class->select_all = real_select_all;
clist_class->unselect_all = real_unselect_all;
clist_class->fake_unselect_all = fake_unselect_all;
clist_class->insert_row = real_insert_row;
clist_class->remove_row = real_remove_row;
clist_class->sort_list = real_sort_list;
clist_class->set_cell_contents = set_cell_contents;
clist_class->cell_size_request = cell_size_request;
klass->tree_select_row = real_tree_select;
klass->tree_unselect_row = real_tree_unselect;
klass->tree_expand = real_tree_expand;
klass->tree_collapse = real_tree_collapse;
klass->tree_move = real_tree_move;
klass->change_focus_row_expansion = change_focus_row_expansion;
gtk_object_add_arg_type ("GtkCTree::n-columns", /* overrides GtkCList::n_columns!! */
GTK_TYPE_UINT,
GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT_ONLY | G_PARAM_STATIC_NAME,
ARG_N_COLUMNS);
gtk_object_add_arg_type ("GtkCTree::tree-column",
GTK_TYPE_UINT,
GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT_ONLY | G_PARAM_STATIC_NAME,
ARG_TREE_COLUMN);
gtk_object_add_arg_type ("GtkCTree::indent",
GTK_TYPE_UINT,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_INDENT);
gtk_object_add_arg_type ("GtkCTree::spacing",
GTK_TYPE_UINT,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_SPACING);
gtk_object_add_arg_type ("GtkCTree::show-stub",
GTK_TYPE_BOOL,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_SHOW_STUB);
gtk_object_add_arg_type ("GtkCTree::line-style",
GTK_TYPE_CTREE_LINE_STYLE,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_LINE_STYLE);
gtk_object_add_arg_type ("GtkCTree::expander-style",
GTK_TYPE_CTREE_EXPANDER_STYLE,
GTK_ARG_READWRITE | G_PARAM_STATIC_NAME,
ARG_EXPANDER_STYLE);
ctree_signals[TREE_SELECT_ROW] =
gtk_signal_new (I_("tree-select-row"),
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_select_row),
_gtk_marshal_VOID__POINTER_INT,
GTK_TYPE_NONE, 2,
GTK_TYPE_CTREE_NODE,
GTK_TYPE_INT);
ctree_signals[TREE_UNSELECT_ROW] =
gtk_signal_new (I_("tree-unselect-row"),
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_unselect_row),
_gtk_marshal_VOID__POINTER_INT,
GTK_TYPE_NONE, 2,
GTK_TYPE_CTREE_NODE,
GTK_TYPE_INT);
ctree_signals[TREE_EXPAND] =
gtk_signal_new (I_("tree-expand"),
GTK_RUN_LAST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_expand),
_gtk_marshal_VOID__POINTER,
GTK_TYPE_NONE, 1,
GTK_TYPE_CTREE_NODE);
ctree_signals[TREE_COLLAPSE] =
gtk_signal_new (I_("tree-collapse"),
GTK_RUN_LAST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_collapse),
_gtk_marshal_VOID__POINTER,
GTK_TYPE_NONE, 1,
GTK_TYPE_CTREE_NODE);
ctree_signals[TREE_MOVE] =
gtk_signal_new (I_("tree-move"),
GTK_RUN_LAST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCTreeClass, tree_move),
_gtk_marshal_VOID__POINTER_POINTER_POINTER,
GTK_TYPE_NONE, 3,
GTK_TYPE_CTREE_NODE,
GTK_TYPE_CTREE_NODE,
GTK_TYPE_CTREE_NODE);
ctree_signals[CHANGE_FOCUS_ROW_EXPANSION] =
gtk_signal_new (I_("change-focus-row-expansion"),
GTK_RUN_LAST | GTK_RUN_ACTION,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkCTreeClass,
change_focus_row_expansion),
_gtk_marshal_VOID__ENUM,
GTK_TYPE_NONE, 1, GTK_TYPE_CTREE_EXPANSION_TYPE);
binding_set = gtk_binding_set_by_class (klass);
gtk_binding_entry_add_signal (binding_set,
GDK_plus, 0,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_EXPAND);
gtk_binding_entry_add_signal (binding_set,
GDK_plus, GDK_CONTROL_MASK,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_EXPAND_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Add, 0,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_EXPAND);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Add, GDK_CONTROL_MASK,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_EXPAND_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
GDK_minus, 0,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_COLLAPSE);
gtk_binding_entry_add_signal (binding_set,
GDK_minus, GDK_CONTROL_MASK,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM,
GTK_CTREE_EXPANSION_COLLAPSE_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Subtract, 0,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_COLLAPSE);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Subtract, GDK_CONTROL_MASK,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM,
GTK_CTREE_EXPANSION_COLLAPSE_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
GDK_equal, 0,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_TOGGLE);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Equal, 0,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_TOGGLE);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Multiply, 0,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_TOGGLE);
gtk_binding_entry_add_signal (binding_set,
GDK_asterisk, 0,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM, GTK_CTREE_EXPANSION_TOGGLE);
gtk_binding_entry_add_signal (binding_set,
GDK_KP_Multiply, GDK_CONTROL_MASK,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM,
GTK_CTREE_EXPANSION_TOGGLE_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
GDK_asterisk, GDK_CONTROL_MASK,
"change-focus-row-expansion", 1,
GTK_TYPE_ENUM,
GTK_CTREE_EXPANSION_TOGGLE_RECURSIVE);
}
static void
gtk_ctree_set_arg (GtkObject *object,
GtkArg *arg,
guint arg_id)
{
GtkCTree *ctree;
GtkCList *clist;
ctree = GTK_CTREE (object);
clist = GTK_CLIST (ctree);
switch (arg_id)
{
case ARG_N_COLUMNS: /* construct-only arg, only set at construction time */
clist->columns = MAX (1, GTK_VALUE_UINT (*arg));
ctree->tree_column = CLAMP (ctree->tree_column, 0, clist->columns);
break;
case ARG_TREE_COLUMN: /* construct-only arg, only set at construction time */
ctree->tree_column = GTK_VALUE_UINT (*arg);
ctree->tree_column = CLAMP (ctree->tree_column, 0, clist->columns);
break;
case ARG_INDENT:
gtk_ctree_set_indent (ctree, GTK_VALUE_UINT (*arg));
break;
case ARG_SPACING:
gtk_ctree_set_spacing (ctree, GTK_VALUE_UINT (*arg));
break;
case ARG_SHOW_STUB:
gtk_ctree_set_show_stub (ctree, GTK_VALUE_BOOL (*arg));
break;
case ARG_LINE_STYLE:
gtk_ctree_set_line_style (ctree, GTK_VALUE_ENUM (*arg));
break;
case ARG_EXPANDER_STYLE:
gtk_ctree_set_expander_style (ctree, GTK_VALUE_ENUM (*arg));
break;
default:
break;
}
}
static void
gtk_ctree_get_arg (GtkObject *object,
GtkArg *arg,
guint arg_id)
{
GtkCTree *ctree;
ctree = GTK_CTREE (object);
switch (arg_id)
{
case ARG_N_COLUMNS:
GTK_VALUE_UINT (*arg) = GTK_CLIST (ctree)->columns;
break;
case ARG_TREE_COLUMN:
GTK_VALUE_UINT (*arg) = ctree->tree_column;
break;
case ARG_INDENT:
GTK_VALUE_UINT (*arg) = ctree->tree_indent;
break;
case ARG_SPACING:
GTK_VALUE_UINT (*arg) = ctree->tree_spacing;
break;
case ARG_SHOW_STUB:
GTK_VALUE_BOOL (*arg) = ctree->show_stub;
break;
case ARG_LINE_STYLE:
GTK_VALUE_ENUM (*arg) = ctree->line_style;
break;
case ARG_EXPANDER_STYLE:
GTK_VALUE_ENUM (*arg) = ctree->expander_style;
break;
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}
static void
gtk_ctree_init (GtkCTree *ctree)
{
GtkCList *clist;
GTK_CLIST_SET_FLAG (ctree, CLIST_DRAW_DRAG_RECT);
GTK_CLIST_SET_FLAG (ctree, CLIST_DRAW_DRAG_LINE);
clist = GTK_CLIST (ctree);
ctree->tree_indent = 20;
ctree->tree_spacing = 5;
ctree->tree_column = 0;
ctree->line_style = GTK_CTREE_LINES_SOLID;
ctree->expander_style = GTK_CTREE_EXPANDER_SQUARE;
ctree->drag_compare = NULL;
ctree->show_stub = TRUE;
clist->button_actions[0] |= GTK_BUTTON_EXPANDS;
}
static void
ctree_attach_styles (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
GtkCList *clist;
gint i;
clist = GTK_CLIST (ctree);
if (GTK_CTREE_ROW (node)->row.style)
GTK_CTREE_ROW (node)->row.style =
gtk_style_attach (GTK_CTREE_ROW (node)->row.style, clist->clist_window);
if (GTK_CTREE_ROW (node)->row.fg_set || GTK_CTREE_ROW (node)->row.bg_set)
{
GdkColormap *colormap;
colormap = gtk_widget_get_colormap (GTK_WIDGET (ctree));
if (GTK_CTREE_ROW (node)->row.fg_set)
gdk_colormap_alloc_color (colormap,
&(GTK_CTREE_ROW (node)->row.foreground),
FALSE, TRUE);
if (GTK_CTREE_ROW (node)->row.bg_set)
gdk_colormap_alloc_color (colormap,
&(GTK_CTREE_ROW (node)->row.background),
FALSE, TRUE);
}
for (i = 0; i < clist->columns; i++)
if (GTK_CTREE_ROW (node)->row.cell[i].style)
GTK_CTREE_ROW (node)->row.cell[i].style =
gtk_style_attach (GTK_CTREE_ROW (node)->row.cell[i].style,
clist->clist_window);
}
static void
ctree_detach_styles (GtkCTree *ctree,
GtkCTreeNode *node,
gpointer data)
{
GtkCList *clist;
gint i;
clist = GTK_CLIST (ctree);
if (GTK_CTREE_ROW (node)->row.style)
gtk_style_detach (GTK_CTREE_ROW (node)->row.style);
for (i = 0; i < clist->columns; i++)
if (GTK_CTREE_ROW (node)->row.cell[i].style)
gtk_style_detach (GTK_CTREE_ROW (node)->row.cell[i].style);
}
static void
gtk_ctree_realize (GtkWidget *widget)
{
GtkCTree *ctree;
GtkCList *clist;
GdkGCValues values;
GtkCTreeNode *node;
GtkCTreeNode *child;
gint i;
g_return_if_fail (GTK_IS_CTREE (widget));
GTK_WIDGET_CLASS (parent_class)->realize (widget);
ctree = GTK_CTREE (widget);
clist = GTK_CLIST (widget);
node = GTK_CTREE_NODE (clist->row_list);
for (i = 0; i < clist->rows; i++)
{
if (GTK_CTREE_ROW (node)->children && !GTK_CTREE_ROW (node)->expanded)
for (child = GTK_CTREE_ROW (node)->children; child;
child = GTK_CTREE_ROW (child)->sibling)
gtk_ctree_pre_recursive (ctree, child, ctree_attach_styles, NULL);
node = GTK_CTREE_NODE_NEXT (node);
}
values.foreground = widget->style->fg[GTK_STATE_NORMAL];
values.background = widget->style->base[GTK_STATE_NORMAL];
values.subwindow_mode = GDK_INCLUDE_INFERIORS;
values.line_style = GDK_LINE_SOLID;
ctree->lines_gc = gdk_gc_new_with_values (GTK_CLIST(widget)->clist_window,
&values,
GDK_GC_FOREGROUND |
GDK_GC_BACKGROUND |
GDK_GC_SUBWINDOW |
GDK_GC_LINE_STYLE);
if (ctree->line_style == GTK_CTREE_LINES_DOTTED)
{
gdk_gc_set_line_attributes (ctree->lines_gc, 1,
GDK_LINE_ON_OFF_DASH, GDK_CAP_BUTT, GDK_JOIN_MITER);
gdk_gc_set_dashes (ctree->lines_gc, 0, "\1\1", 2);
}
}
static void
gtk_ctree_unrealize (GtkWidget *widget)
{
GtkCTree *ctree;
GtkCList *clist;
g_return_if_fail (GTK_IS_CTREE (widget));
GTK_WIDGET_CLASS (parent_class)->unrealize (widget);
ctree = GTK_CTREE (widget);
clist = GTK_CLIST (widget);
if (GTK_WIDGET_REALIZED (widget))
{
GtkCTreeNode *node;
GtkCTreeNode *child;
gint i;
node = GTK_CTREE_NODE (clist->row_list);
for (i = 0; i < clist->rows; i++)
{
if (GTK_CTREE_ROW (node)->children &&
!GTK_CTREE_ROW (node)->expanded)
for (child = GTK_CTREE_ROW (node)->children; child;
child = GTK_CTREE_ROW (child)->sibling)
gtk_ctree_pre_recursive(ctree, child, ctree_detach_styles, NULL);
node = GTK_CTREE_NODE_NEXT (node);
}
}
g_object_unref (ctree->lines_gc);
}
static gint
gtk_ctree_button_press (GtkWidget *widget,
GdkEventButton *event)
{
GtkCTree *ctree;
GtkCList *clist;
gint button_actions;
g_return_val_if_fail (GTK_IS_CTREE (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
ctree = GTK_CTREE (widget);
clist = GTK_CLIST (widget);
button_actions = clist->button_actions[event->button - 1];
if (button_actions == GTK_BUTTON_IGNORED)
return FALSE;
if (event->window == clist->clist_window)
{
GtkCTreeNode *work;
gint x;
gint y;
gint row;
gint column;
x = event->x;
y = event->y;
if (!gtk_clist_get_selection_info (clist, x, y, &row, &column))
return FALSE;
work = GTK_CTREE_NODE (g_list_nth (clist->row_list, row));
if (button_actions & GTK_BUTTON_EXPANDS &&
(GTK_CTREE_ROW (work)->children && !GTK_CTREE_ROW (work)->is_leaf &&
(event->type == GDK_2BUTTON_PRESS ||
ctree_is_hot_spot (ctree, work, row, x, y))))
{
if (GTK_CTREE_ROW (work)->expanded)
gtk_ctree_collapse (ctree, work);
else
gtk_ctree_expand (ctree, work);
return TRUE;
}
}
return GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, event);
}
static void
draw_drag_highlight (GtkCList *clist,
GtkCListRow *dest_row,
gint dest_row_number,
GtkCListDragPos drag_pos)
{
GtkCTree *ctree;
GdkPoint points[4];
gint level;
gint i;
gint y = 0;
g_return_if_fail (GTK_IS_CTREE (clist));
ctree = GTK_CTREE (clist);
level = ((GtkCTreeRow *)(dest_row))->level;
y = ROW_TOP_YPIXEL (clist, dest_row_number) - 1;
switch (drag_pos)
{
case GTK_CLIST_DRAG_NONE:
break;
case GTK_CLIST_DRAG_AFTER:
y += clist->row_height + 1;
case GTK_CLIST_DRAG_BEFORE:
if (clist->column[ctree->tree_column].visible)
switch (clist->column[ctree->tree_column].justification)
{
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
case GTK_JUSTIFY_LEFT:
if (ctree->tree_column > 0)
gdk_draw_line (clist->clist_window, clist->xor_gc,
COLUMN_LEFT_XPIXEL(clist, 0), y,
COLUMN_LEFT_XPIXEL(clist, ctree->tree_column - 1)+
clist->column[ctree->tree_column - 1].area.width,
y);
gdk_draw_line (clist->clist_window, clist->xor_gc,
COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) +
ctree->tree_indent * level -
(ctree->tree_indent - PM_SIZE) / 2, y,
GTK_WIDGET (ctree)->allocation.width, y);
break;
case GTK_JUSTIFY_RIGHT:
if (ctree->tree_column < clist->columns - 1)
gdk_draw_line (clist->clist_window, clist->xor_gc,
COLUMN_LEFT_XPIXEL(clist, ctree->tree_column + 1),
y,
COLUMN_LEFT_XPIXEL(clist, clist->columns - 1) +
clist->column[clist->columns - 1].area.width, y);
gdk_draw_line (clist->clist_window, clist->xor_gc,
0, y, COLUMN_LEFT_XPIXEL(clist, ctree->tree_column)
+ clist->column[ctree->tree_column].area.width -
ctree->tree_indent * level +
(ctree->tree_indent - PM_SIZE) / 2, y);
break;
}
else
gdk_draw_line (clist->clist_window, clist->xor_gc,
0, y, clist->clist_window_width, y);
break;
case GTK_CLIST_DRAG_INTO:
y = ROW_TOP_YPIXEL (clist, dest_row_number) + clist->row_height;
if (clist->column[ctree->tree_column].visible)
switch (clist->column[ctree->tree_column].justification)
{
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
case GTK_JUSTIFY_LEFT:
points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) +
ctree->tree_indent * level - (ctree->tree_indent - PM_SIZE) / 2;
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = clist->clist_window_width - 1;
points[1].y = points[0].y;
points[2].x = points[1].x;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, clist->xor_gc,
points[i].x, points[i].y,
points[i+1].x, points[i+1].y);
if (ctree->tree_column > 0)
{
points[0].x = COLUMN_LEFT_XPIXEL(clist,
ctree->tree_column - 1) +
clist->column[ctree->tree_column - 1].area.width ;
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = 0;
points[1].y = points[0].y;
points[2].x = 0;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, clist->xor_gc,
points[i].x, points[i].y, points[i+1].x,
points[i+1].y);
}
break;
case GTK_JUSTIFY_RIGHT:
points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column) -
ctree->tree_indent * level + (ctree->tree_indent - PM_SIZE) / 2 +
clist->column[ctree->tree_column].area.width;
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = 0;
points[1].y = points[0].y;
points[2].x = 0;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, clist->xor_gc,
points[i].x, points[i].y,
points[i+1].x, points[i+1].y);
if (ctree->tree_column < clist->columns - 1)
{
points[0].x = COLUMN_LEFT_XPIXEL(clist, ctree->tree_column +1);
points[0].y = y;
points[3].x = points[0].x;
points[3].y = y - clist->row_height - 1;
points[1].x = clist->clist_window_width - 1;
points[1].y = points[0].y;
points[2].x = points[1].x;
points[2].y = points[3].y;
for (i = 0; i < 3; i++)
gdk_draw_line (clist->clist_window, clist->xor_gc,
points[i].x, points[i].y,
points[i+1].x, points[i+1].y);
}
break;
}
else
gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE,
0, y - clist->row_height,
clist->clist_window_width - 1, clist->row_height);
break;
}
}
static gint
draw_cell_pixmap (GdkWindow *window,
GdkRectangle *clip_rectangle,
GdkGC *fg_gc,
GdkPixmap *pixmap,
GdkBitmap *mask,