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New function (just like gtk_clist_moveto).

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* gtk/gtkctree.[ch] (gtk_ctree_scroll_to): New function (just like gtk_clist_moveto).
This commit is contained in:
Stefan Jeske 1998-05-04 09:40:35 +00:00
parent 2780a82a0e
commit a92832509d
2 changed files with 219 additions and 165 deletions
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330
gtk/gtkctree.c
View File

@ -28,6 +28,8 @@
#define PM_SIZE 8
#define CELL_SPACING 1
#define CLIST_OPTIMUM_SIZE 512
#define COLUMN_INSET 3
#define DRAG_WIDTH 6
#define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
(((row) + 1) * CELL_SPACING) + \
@ -36,29 +38,29 @@
((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 void gtk_ctree_class_init (GtkCTreeClass *klass);
static void gtk_ctree_init (GtkCTree *ctree);
static void gtk_ctree_destroy (GtkObject *object);
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 gint gtk_ctree_button_release (GtkWidget *widget,
GdkEventButton *event);
static gint gtk_ctree_button_motion (GtkWidget *widget,
GdkEventMotion *event);
static void gtk_ctree_realize (GtkWidget *widget);
static void gtk_ctree_unrealize (GtkWidget *widget);
static void draw_row (GtkCList *clist,
GdkRectangle *area,
gint row,
GtkCListRow *clist_row);
static void create_xor_gc (GtkCTree *ctree);
static void draw_xor_line (GtkCTree *ctree);
static void draw_xor_rect (GtkCTree *ctree);
static void create_drag_icon (GtkCTree *ctree,
GtkCTreeRow *row);
static void draw_row (GtkCList *clist,
GdkRectangle *area,
gint row,
GtkCListRow *clist_row);
static void tree_draw_row (GtkCTree *ctree,
GList *row);
static void cell_empty (GtkCList *clist,
@ -90,80 +92,78 @@ static void set_node_info (GtkCTree *ctree,
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,
GList *node,
gpointer data);
static void tree_delete_raw (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_update_level (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_select (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_unselect (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_expand (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_collapse (GtkCTree *ctree,
GList *node,
gpointer data);
static void real_tree_select (GtkCTree *ctree,
GList *node,
gint column);
static void real_tree_unselect (GtkCTree *ctree,
GList *node,
gint column);
static void tree_toggle_selection (GtkCTree *ctree,
GList *node,
gint column);
static void real_tree_expand (GtkCTree *ctree,
GList *node);
static void real_tree_collapse (GtkCTree *ctree,
GList *node);
static void real_tree_move (GtkCTree *ctree,
GList *node,
GList *new_parent,
GList *new_sibling);
static void gtk_ctree_link (GtkCTree *ctree,
GList *node,
GList *parent,
GList *sibling);
static void gtk_ctree_unlink (GtkCTree *ctree,
GList *node);
static GList * gtk_ctree_last_visible (GtkCTree *ctree,
static GtkCTreeRow *row_new (GtkCTree *ctree);
static void row_delete (GtkCTree *ctree,
GtkCTreeRow *ctree_row);
static void tree_delete (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_delete_row (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_update_level (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_select (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_unselect (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_expand (GtkCTree *ctree,
GList *node,
gpointer data);
static void tree_collapse (GtkCTree *ctree,
GList *node,
gpointer data);
static void real_tree_select (GtkCTree *ctree,
GList *node,
gint column);
static void real_tree_unselect (GtkCTree *ctree,
GList *node,
gint column);
static void tree_toggle_selection (GtkCTree *ctree,
GList *node,
gint column);
static void real_tree_expand (GtkCTree *ctree,
GList *node);
static void gtk_ctree_marshal_signal_1 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static void gtk_ctree_marshal_signal_2 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static void gtk_ctree_marshal_signal_3 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static gboolean ctree_is_hot_spot (GtkCTree *ctree,
GList *node,
gint row,
gint x,
gint y);
static void tree_sort (GtkCTree *ctree,
GList *node,
gpointer data);
static gint default_compare (GtkCTree *ctree,
const GList *list1,
const GList *list2);
static void real_tree_collapse (GtkCTree *ctree,
GList *node);
static void real_tree_move (GtkCTree *ctree,
GList *node,
GList *new_parent,
GList *new_sibling);
static void gtk_ctree_link (GtkCTree *ctree,
GList *node,
GList *parent,
GList *sibling);
static void gtk_ctree_unlink (GtkCTree *ctree,
GList *node);
static GList * gtk_ctree_last_visible (GtkCTree *ctree,
GList *node);
static void gtk_ctree_marshal_signal_1 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static void gtk_ctree_marshal_signal_2 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static void gtk_ctree_marshal_signal_3 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static gboolean ctree_is_hot_spot (GtkCTree *ctree,
GList *node,
gint row,
gint x,
gint y);
static void tree_sort (GtkCTree *ctree,
GList *node,
gpointer data);
static gint default_compare (GtkCTree *ctree,
const GList *node1,
const GList *node2);
enum
{
@ -179,11 +179,13 @@ typedef void (*GtkCTreeSignal1) (GtkObject *object,
GList *arg1,
gint arg2,
gpointer data);
typedef void (*GtkCTreeSignal2) (GtkObject *object,
GList *arg1,
GList *arg2,
GList *arg3,
gpointer data);
typedef void (*GtkCTreeSignal3) (GtkObject *object,
GList *arg1,
gpointer data);
@ -194,7 +196,6 @@ static GtkContainerClass *container_class = NULL;
static guint ctree_signals[LAST_SIGNAL] = {0};
GtkType
gtk_ctree_get_type (void)
{
@ -337,22 +338,22 @@ gtk_ctree_class_init (GtkCTreeClass *klass)
static void
gtk_ctree_init (GtkCTree *ctree)
{
ctree->xor_gc = NULL;
ctree->drag_icon = NULL;
ctree->tree_indent = 20;
ctree->tree_column = 0;
ctree->selection_last = NULL;
ctree->line_style = GTK_CTREE_LINES_SOLID;
ctree->reorderable = FALSE;
ctree->use_icons = TRUE;
ctree->drag_row = -1;
ctree->drag_rect = FALSE;
ctree->xor_gc = NULL;
ctree->in_drag = FALSE;
ctree->drag_source = NULL;
ctree->drag_target = NULL;
ctree->insert_pos = GTK_CTREE_POS_AS_CHILD;
ctree->drag_icon = NULL;
ctree->auto_sort = FALSE;
ctree->node_compare = default_compare;
ctree->auto_sort = FALSE;
ctree->reorderable = FALSE;
ctree->use_icons = TRUE;
ctree->in_drag = FALSE;
ctree->drag_rect = FALSE;
ctree->line_style = GTK_CTREE_LINES_SOLID;
}
static void
@ -366,13 +367,10 @@ gtk_ctree_destroy (GtkObject *object)
clist = GTK_CLIST (object);
/* freeze the list */
GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN);
/* get rid of all the rows */
gtk_ctree_clear (GTK_CTREE (object));
/* destroy the scrollbars */
if (clist->vscrollbar)
{
gtk_widget_unparent (clist->vscrollbar);
@ -384,7 +382,6 @@ gtk_ctree_destroy (GtkObject *object)
clist->hscrollbar = NULL;
}
/* destroy the column buttons */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].button)
{
@ -581,7 +578,7 @@ gtk_ctree_button_motion (GtkWidget *widget,
row = ROW_FROM_YPIXEL (clist, y);
/* re-calculate target */
/* re-calculate target (mouse left the window) */
if (ctree->drag_target && ctree->drag_row == -1)
ctree->drag_target = g_list_nth (clist->row_list, row);
@ -635,7 +632,6 @@ gtk_ctree_button_motion (GtkWidget *widget,
}
}
}
return
(* GTK_WIDGET_CLASS (parent_class)->motion_notify_event) (widget, event);
}
@ -703,7 +699,7 @@ gtk_ctree_button_release (GtkWidget *widget,
(widget, event);
}
/* nop if out of bounds / source = target */
/* nop if out of bounds / source == target */
if (event->x < 0 || event->y < -3 ||
event->x > clist->clist_window_width ||
event->y > clist->clist_window_height + 3 ||
@ -758,11 +754,11 @@ static void
create_drag_icon (GtkCTree *ctree,
GtkCTreeRow *row)
{
GtkCList *clist;
GtkWidget *widget;
GdkWindow *window = NULL;
GdkWindowAttr attributes;
gint attributes_mask;
GtkCList *clist;
GtkWidget *widget;
GdkPixmap *pixmap;
GdkBitmap *mask;
GdkModifierType modmask;
@ -772,11 +768,9 @@ create_drag_icon (GtkCTree *ctree,
clist = GTK_CLIST (ctree);
widget = GTK_WIDGET (ctree);
pixmap = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->pixmap;
mask = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->mask;
if (!pixmap)
if (!(pixmap = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->pixmap))
return;
mask = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->mask;
gdk_window_get_pointer (NULL, &root_x, &root_y, &modmask);
gdk_window_get_size (pixmap, &ctree->icon_width, &ctree->icon_height);
@ -820,7 +814,6 @@ create_xor_gc (GtkCTree *ctree)
GDK_GC_SUBWINDOW);
gdk_gc_set_line_attributes (ctree->xor_gc, 1, GDK_LINE_ON_OFF_DASH,
None, None);
private = (GdkGCPrivate*) ctree->xor_gc;
XSetDashes (private->xdisplay, private->xgc, 0, "\2\2", 2);
}
@ -1362,23 +1355,23 @@ draw_row (GtkCList *clist,
if (!((GtkCTreeRow *)clist_row)->expanded)
{
points[0].x = xdest + xoffset + PM_SIZE / 6;
points[0].y = clip_rectangle.y + yoffset;
points[0].x = xdest + xoffset + (PM_SIZE+2) / 6 + 2;
points[0].y = clip_rectangle.y + yoffset - 1;
points[1].x = points[0].x;
points[1].y = points[0].y + PM_SIZE;
points[2].x = points[0].x + 2 * PM_SIZE / 3;
points[2].y = points[0].y + PM_SIZE / 2;
points[1].y = points[0].y + (PM_SIZE+2);
points[2].x = points[0].x + 2 * (PM_SIZE+2) / 3 - 1;
points[2].y = points[0].y + (PM_SIZE+2) / 2;
}
else
{
points[0].x = xdest + xoffset;
points[0].y = clip_rectangle.y + yoffset
+ PM_SIZE / 6;
points[1].x = points[0].x + PM_SIZE;
+ (PM_SIZE+2) / 6;
points[1].x = points[0].x + (PM_SIZE+2);
points[1].y = points[0].y;
points[2].x = points[0].x + PM_SIZE / 2;
points[2].x = points[0].x + (PM_SIZE+2) / 2;
points[2].y = clip_rectangle.y + yoffset +
2 * PM_SIZE / 3;
2 * (PM_SIZE+2) / 3;
}
gdk_draw_polygon (clist->clist_window,
@ -1512,23 +1505,23 @@ draw_row (GtkCList *clist,
if (!((GtkCTreeRow *)clist_row)->expanded)
{
points[0].x = xdest - xoffset - PM_SIZE / 6;
points[0].y = clip_rectangle.y + yoffset;
points[0].x = xdest - xoffset - (PM_SIZE+2) / 6 - 2;
points[0].y = clip_rectangle.y + yoffset - 1;
points[1].x = points[0].x;
points[1].y = points[0].y + PM_SIZE;
points[2].x = points[0].x - 2 * PM_SIZE / 3;
points[2].y = points[0].y + PM_SIZE / 2;
points[1].y = points[0].y + (PM_SIZE+2);
points[2].x = points[0].x - 2 * (PM_SIZE+2) / 3 + 1;
points[2].y = points[0].y + (PM_SIZE+2) / 2;
}
else
{
points[0].x = xdest - xoffset;
points[0].y = clip_rectangle.y + yoffset +
PM_SIZE / 6;
points[1].x = points[0].x - PM_SIZE;
(PM_SIZE+2) / 6;
points[1].x = points[0].x - (PM_SIZE+2);
points[1].y = points[0].y;
points[2].x = points[0].x - PM_SIZE / 2;
points[2].x = points[0].x - (PM_SIZE+2) / 2;
points[2].y = clip_rectangle.y + yoffset +
2 * PM_SIZE / 3;
2 * (PM_SIZE+2) / 3;
}
gdk_draw_polygon (clist->clist_window,
@ -2014,6 +2007,7 @@ real_tree_move (GtkCTree *ctree,
gtk_clist_freeze (clist);
thaw = TRUE;
}
gtk_ctree_unlink (ctree, node);
gtk_ctree_link (ctree, node, new_parent, new_sibling);
@ -2084,7 +2078,7 @@ real_tree_collapse (GtkCTree *ctree,
return;
GTK_CTREE_ROW (node)->expanded = FALSE;
level = GTK_CTREE_ROW (node)->level;
level = GTK_CTREE_ROW (node)->level;
if (GTK_CTREE_ROW (node)->pixmap_closed)
{
@ -2279,7 +2273,7 @@ tree_delete (GtkCTree *ctree,
}
static void
tree_delete_raw (GtkCTree *ctree,
tree_delete_row (GtkCTree *ctree,
GList *node,
gpointer data)
{
@ -2307,11 +2301,9 @@ tree_select (GtkCTree *ctree,
GList *node,
gpointer data)
{
if (!node || GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
return;
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
node, data);
if (node && GTK_CTREE_ROW (node)->row.state != GTK_STATE_SELECTED)
gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
node, data);
}
static void
@ -2450,7 +2442,7 @@ cell_empty (GtkCList *clist,
break;
case GTK_CELL_WIDGET:
/* unimplimented */
/* unimplemented */
break;
default:
@ -2611,24 +2603,21 @@ ctree_is_hot_spot (GtkCTree *ctree,
+ cell->horizontal + (tree_row->level - 1) * ctree->tree_indent;
}
if (x >= xl && x <= xl + PM_SIZE && y >= yu && y <= yu + PM_SIZE)
return TRUE;
return FALSE;
return (x >= xl && x <= xl + PM_SIZE && y >= yu && y <= yu + PM_SIZE);
}
static gint
default_compare (GtkCTree *ctree,
const GList *list1,
const GList *list2)
const GList *node1,
const GList *node2)
{
char *text1;
char *text2;
text1 = GTK_CELL_PIXTEXT (GTK_CTREE_ROW
(list1)->row.cell[ctree->tree_column])->text;
(node1)->row.cell[ctree->tree_column])->text;
text2 = GTK_CELL_PIXTEXT (GTK_CTREE_ROW
(list2)->row.cell[ctree->tree_column])->text;
(node2)->row.cell[ctree->tree_column])->text;
return strcmp (text1, text2);
}
@ -2737,6 +2726,7 @@ gtk_ctree_insert (GtkCTree *ctree,
set_node_info (ctree, node, text[ctree->tree_column], spacing, pixmap_closed,
mask_closed, pixmap_opened, mask_opened, is_leaf, expanded);
/* sorted insertion */
if (ctree->auto_sort)
{
if (parent)
@ -2812,14 +2802,12 @@ gtk_ctree_clear (GtkCTree *ctree)
clist = GTK_CLIST (ctree);
/* free up the selection list */
g_list_free (clist->selection);
clist->selection = NULL;
ctree->selection_last = NULL;
/* remove all the rows */
work = clist->row_list;
clist->row_list = NULL;
clist->row_list_end = NULL;
@ -2829,11 +2817,10 @@ gtk_ctree_clear (GtkCTree *ctree)
{
ptr = work;
work = GTK_CTREE_ROW (work)->sibling;
gtk_ctree_post_recursive (ctree, ptr, GTK_CTREE_FUNC (tree_delete_raw),
gtk_ctree_post_recursive (ctree, ptr, GTK_CTREE_FUNC (tree_delete_row),
NULL);
}
clist->voffset = 0;
ctree->drag_row = -1;
@ -2855,6 +2842,7 @@ gtk_ctree_clear (GtkCTree *ctree)
}
}
/***********************************************************
* Generic recursive functions, querying / finding tree *
* information *
@ -3263,7 +3251,6 @@ gtk_ctree_set_node_info (GtkCTree *ctree,
g_return_if_fail (GTK_IS_CTREE (ctree));
g_return_if_fail (node != NULL);
old_leaf = GTK_CTREE_ROW (node)->is_leaf;
old_expanded = GTK_CTREE_ROW (node)->expanded;
@ -3569,6 +3556,65 @@ gtk_ctree_get_row_data (GtkCTree *ctree,
return GTK_CTREE_ROW (node)->row.data;
}
void
gtk_ctree_scroll_to (GtkCTree *ctree,
GList *node,
gint column,
gfloat row_align,
gfloat col_align)
{
gint x;
gint y;
gint row = 0;
GtkCList *clist;
GList *work;
GtkAdjustment *adj;
g_return_if_fail (ctree != NULL);
g_return_if_fail (GTK_IS_CTREE (ctree));
clist = GTK_CLIST (ctree);
if (node && !gtk_ctree_is_visible (ctree, node))
return;
/* adjust vertical scrollbar */
if (node)
{
adj = GTK_RANGE (clist->vscrollbar)->adjustment;
work = clist->row_list;
while (work && work != node)
{
work = work->next;
row++;
}
if (!work)
return;
y = ROW_TOP_YPIXEL (clist, row) - clist->voffset;
y = y - row_align * (clist->clist_window_height - clist->row_height)
+ (2 * row_align - 1) * CELL_SPACING;
if (y + adj->page_size > adj->upper)
gtk_adjustment_set_value (adj, adj->upper - adj->page_size);
else
gtk_adjustment_set_value (adj, y);
}
/* adjust horizontal scrollbar */
if (column >= 0)
{
adj = GTK_RANGE (clist->hscrollbar)->adjustment;
x = COLUMN_LEFT (clist, column);
x = x - col_align *
(clist->clist_window_width - clist->column[column].area.width)
+ (2 * col_align - 1) * COLUMN_INSET;
gtk_adjustment_set_value (adj, x);
}
}
/***********************************************************
* GtkCTree specific functions *

54
gtk/gtkctree.h
View File

@ -31,13 +31,15 @@ extern "C"
{
#endif /* __cplusplus */
#define GTK_CTREE(obj) (GTK_CHECK_CAST ((obj), gtk_ctree_get_type (), GtkCTree))
#define GTK_CTREE_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), gtk_ctree_get_type (), GtkCTreeClass))
#define GTK_IS_CTREE(obj) (GTK_CHECK_TYPE ((obj), gtk_ctree_get_type ()))
#define GTK_CTREE_ROW(glist) ((GtkCTreeRow *)((glist)->data))
#define GTK_CTREE_TREE(_ctree_, _glist_) ((GtkCellTree *) &(((GtkCTreeRow *)((_glist_)->data))->cell[(_ctree_)->tree_col]))
#define GTK_CTREE(obj) \
(GTK_CHECK_CAST ((obj), gtk_ctree_get_type (), GtkCTree))
#define GTK_CTREE_CLASS(klass) \
(GTK_CHECK_CLASS_CAST ((klass), gtk_ctree_get_type (), GtkCTreeClass))
#define GTK_IS_CTREE(obj) \
(GTK_CHECK_TYPE ((obj), gtk_ctree_get_type ()))
#define GTK_CTREE_ROW(glist) ((GtkCTreeRow *)((glist)->data))
#define GTK_CTREE_TREE(_ctree_, _glist_) \
((GtkCellTree *) &(((GtkCTreeRow *)((_glist_)->data))->cell[(_ctree_)->tree_col]))
#define GTK_CTREE_FUNC(_func_) ((GtkCTreeFunc)(_func_))
@ -60,12 +62,12 @@ typedef struct _GtkCTreeClass GtkCTreeClass;
typedef struct _GtkCTreeRow GtkCTreeRow;
typedef void (*GtkCTreeFunc) (GtkCTree *ctree,
GList *list,
GList *node,
gpointer data);
typedef gint (*GtkCTreeCompareFunc) (GtkCTree *ctree,
const GList *list1,
const GList *list2);
const GList *node1,
const GList *node2);
struct _GtkCTree
{
@ -99,19 +101,19 @@ struct _GtkCTreeClass
GtkCListClass parent_class;
void (*tree_select_row) (GtkCTree *ctree,
GList *row,
gint column);
GList *row,
gint column);
void (*tree_unselect_row) (GtkCTree *ctree,
GList *row,
gint column);
GList *row,
gint column);
void (*tree_expand) (GtkCTree *ctree,
GList *child);
GList *child);
void (*tree_collapse) (GtkCTree *ctree,
GList *child);
GList *child);
void (*tree_move) (GtkCTree *ctree,
GList *child,
GList *parent,
GList *sibling);
GList *child,
GList *parent,
GList *sibling);
};
struct _GtkCTreeRow
@ -122,14 +124,15 @@ struct _GtkCTreeRow
GList *sibling;
GList *children;
guint16 level;
guint is_leaf : 1;
guint expanded : 1;
GdkPixmap *pixmap_closed;
GdkBitmap *mask_closed;
GdkPixmap *pixmap_opened;
GdkBitmap *mask_opened;
guint16 level;
guint is_leaf : 1;
guint expanded : 1;
};
@ -301,6 +304,11 @@ void gtk_ctree_set_row_data_full (GtkCTree *ctree,
GtkDestroyNotify destroy);
gpointer gtk_ctree_get_row_data (GtkCTree *ctree,
GList *node);
void gtk_ctree_scroll_to (GtkCTree *ctree,
GList *node,
gint column,
gfloat row_align,
gfloat col_align);
/***********************************************************
* GtkCTree specific functions *