mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-26 13:41:07 +00:00
New function (just like gtk_clist_moveto).
* gtk/gtkctree.[ch] (gtk_ctree_scroll_to): New function (just like gtk_clist_moveto).
This commit is contained in:
Stefan Jeske
parent
2780a82a0e
commit
a92832509d
188
gtk/gtkctree.c
188
gtk/gtkctree.c
@ -28,6 +28,8 @@
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#define PM_SIZE 8
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#define CELL_SPACING 1
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#define CLIST_OPTIMUM_SIZE 512
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#define COLUMN_INSET 3
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#define DRAG_WIDTH 6
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#define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
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(((row) + 1) * CELL_SPACING) + \
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@ -36,29 +38,29 @@
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((clist)->row_height + CELL_SPACING))
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#define COLUMN_LEFT_XPIXEL(clist, col) ((clist)->column[(col)].area.x \
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+ (clist)->hoffset)
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#define COLUMN_LEFT(clist, column) ((clist)->column[(column)].area.x)
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static void gtk_ctree_class_init (GtkCTreeClass *klass);
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static void gtk_ctree_init (GtkCTree *ctree);
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static void gtk_ctree_destroy (GtkObject *object);
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static void gtk_ctree_realize (GtkWidget *widget);
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static void gtk_ctree_unrealize (GtkWidget *widget);
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static gint gtk_ctree_button_press (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_ctree_button_release (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_ctree_button_motion (GtkWidget *widget,
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GdkEventMotion *event);
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static void gtk_ctree_realize (GtkWidget *widget);
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static void gtk_ctree_unrealize (GtkWidget *widget);
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static void draw_row (GtkCList *clist,
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GdkRectangle *area,
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gint row,
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GtkCListRow *clist_row);
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static void create_xor_gc (GtkCTree *ctree);
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static void draw_xor_line (GtkCTree *ctree);
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static void draw_xor_rect (GtkCTree *ctree);
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static void create_drag_icon (GtkCTree *ctree,
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GtkCTreeRow *row);
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static void draw_row (GtkCList *clist,
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GdkRectangle *area,
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gint row,
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GtkCListRow *clist_row);
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static void tree_draw_row (GtkCTree *ctree,
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GList *row);
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static void cell_empty (GtkCList *clist,
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@ -90,14 +92,13 @@ static void set_node_info (GtkCTree *ctree,
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GdkBitmap *mask_opened,
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gboolean is_leaf,
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gboolean expanded);
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static GtkCTreeRow *row_new (GtkCTree *ctree);
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static void row_delete (GtkCTree *ctree,
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GtkCTreeRow *ctree_row);
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static void tree_delete (GtkCTree *ctree,
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GList *node,
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gpointer data);
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static void tree_delete_raw (GtkCTree *ctree,
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static void tree_delete_row (GtkCTree *ctree,
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GList *node,
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gpointer data);
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static void tree_update_level (GtkCTree *ctree,
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@ -160,10 +161,9 @@ static gboolean ctree_is_hot_spot (GtkCTree *ctree,
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static void tree_sort (GtkCTree *ctree,
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GList *node,
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gpointer data);
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static gint default_compare (GtkCTree *ctree,
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const GList *list1,
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const GList *list2);
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const GList *node1,
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const GList *node2);
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enum
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{
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@ -179,11 +179,13 @@ typedef void (*GtkCTreeSignal1) (GtkObject *object,
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GList *arg1,
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gint arg2,
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gpointer data);
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typedef void (*GtkCTreeSignal2) (GtkObject *object,
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GList *arg1,
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GList *arg2,
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GList *arg3,
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gpointer data);
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typedef void (*GtkCTreeSignal3) (GtkObject *object,
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GList *arg1,
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gpointer data);
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@ -194,7 +196,6 @@ static GtkContainerClass *container_class = NULL;
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static guint ctree_signals[LAST_SIGNAL] = {0};
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GtkType
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gtk_ctree_get_type (void)
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{
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@ -337,22 +338,22 @@ gtk_ctree_class_init (GtkCTreeClass *klass)
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static void
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gtk_ctree_init (GtkCTree *ctree)
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{
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ctree->xor_gc = NULL;
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ctree->drag_icon = NULL;
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ctree->tree_indent = 20;
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ctree->tree_column = 0;
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ctree->selection_last = NULL;
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ctree->line_style = GTK_CTREE_LINES_SOLID;
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ctree->reorderable = FALSE;
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ctree->use_icons = TRUE;
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ctree->drag_row = -1;
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ctree->drag_rect = FALSE;
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ctree->xor_gc = NULL;
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ctree->in_drag = FALSE;
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ctree->drag_source = NULL;
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ctree->drag_target = NULL;
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ctree->insert_pos = GTK_CTREE_POS_AS_CHILD;
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ctree->drag_icon = NULL;
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ctree->auto_sort = FALSE;
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ctree->node_compare = default_compare;
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ctree->auto_sort = FALSE;
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ctree->reorderable = FALSE;
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ctree->use_icons = TRUE;
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ctree->in_drag = FALSE;
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ctree->drag_rect = FALSE;
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ctree->line_style = GTK_CTREE_LINES_SOLID;
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}
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static void
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@ -366,13 +367,10 @@ gtk_ctree_destroy (GtkObject *object)
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clist = GTK_CLIST (object);
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/* freeze the list */
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GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN);
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/* get rid of all the rows */
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gtk_ctree_clear (GTK_CTREE (object));
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/* destroy the scrollbars */
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if (clist->vscrollbar)
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{
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gtk_widget_unparent (clist->vscrollbar);
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@ -384,7 +382,6 @@ gtk_ctree_destroy (GtkObject *object)
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clist->hscrollbar = NULL;
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}
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/* destroy the column buttons */
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for (i = 0; i < clist->columns; i++)
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if (clist->column[i].button)
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{
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@ -581,7 +578,7 @@ gtk_ctree_button_motion (GtkWidget *widget,
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row = ROW_FROM_YPIXEL (clist, y);
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/* re-calculate target */
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/* re-calculate target (mouse left the window) */
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if (ctree->drag_target && ctree->drag_row == -1)
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ctree->drag_target = g_list_nth (clist->row_list, row);
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@ -635,7 +632,6 @@ gtk_ctree_button_motion (GtkWidget *widget,
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}
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}
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}
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return
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(* GTK_WIDGET_CLASS (parent_class)->motion_notify_event) (widget, event);
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}
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@ -703,7 +699,7 @@ gtk_ctree_button_release (GtkWidget *widget,
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(widget, event);
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}
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/* nop if out of bounds / source = target */
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/* nop if out of bounds / source == target */
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if (event->x < 0 || event->y < -3 ||
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event->x > clist->clist_window_width ||
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event->y > clist->clist_window_height + 3 ||
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@ -758,11 +754,11 @@ static void
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create_drag_icon (GtkCTree *ctree,
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GtkCTreeRow *row)
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{
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GtkCList *clist;
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GtkWidget *widget;
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GdkWindow *window = NULL;
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GdkWindowAttr attributes;
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gint attributes_mask;
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GtkCList *clist;
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GtkWidget *widget;
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GdkPixmap *pixmap;
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GdkBitmap *mask;
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GdkModifierType modmask;
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@ -772,11 +768,9 @@ create_drag_icon (GtkCTree *ctree,
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clist = GTK_CLIST (ctree);
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widget = GTK_WIDGET (ctree);
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pixmap = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->pixmap;
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mask = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->mask;
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if (!pixmap)
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if (!(pixmap = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->pixmap))
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return;
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mask = GTK_CELL_PIXTEXT (row->row.cell[ctree->tree_column])->mask;
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gdk_window_get_pointer (NULL, &root_x, &root_y, &modmask);
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gdk_window_get_size (pixmap, &ctree->icon_width, &ctree->icon_height);
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@ -820,7 +814,6 @@ create_xor_gc (GtkCTree *ctree)
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GDK_GC_SUBWINDOW);
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gdk_gc_set_line_attributes (ctree->xor_gc, 1, GDK_LINE_ON_OFF_DASH,
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None, None);
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private = (GdkGCPrivate*) ctree->xor_gc;
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XSetDashes (private->xdisplay, private->xgc, 0, "\2\2", 2);
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}
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@ -1362,23 +1355,23 @@ draw_row (GtkCList *clist,
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if (!((GtkCTreeRow *)clist_row)->expanded)
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{
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points[0].x = xdest + xoffset + PM_SIZE / 6;
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points[0].y = clip_rectangle.y + yoffset;
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points[0].x = xdest + xoffset + (PM_SIZE+2) / 6 + 2;
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points[0].y = clip_rectangle.y + yoffset - 1;
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points[1].x = points[0].x;
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points[1].y = points[0].y + PM_SIZE;
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points[2].x = points[0].x + 2 * PM_SIZE / 3;
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points[2].y = points[0].y + PM_SIZE / 2;
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points[1].y = points[0].y + (PM_SIZE+2);
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points[2].x = points[0].x + 2 * (PM_SIZE+2) / 3 - 1;
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points[2].y = points[0].y + (PM_SIZE+2) / 2;
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}
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else
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{
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points[0].x = xdest + xoffset;
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points[0].y = clip_rectangle.y + yoffset
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+ PM_SIZE / 6;
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points[1].x = points[0].x + PM_SIZE;
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+ (PM_SIZE+2) / 6;
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points[1].x = points[0].x + (PM_SIZE+2);
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points[1].y = points[0].y;
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points[2].x = points[0].x + PM_SIZE / 2;
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points[2].x = points[0].x + (PM_SIZE+2) / 2;
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points[2].y = clip_rectangle.y + yoffset +
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2 * PM_SIZE / 3;
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2 * (PM_SIZE+2) / 3;
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}
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gdk_draw_polygon (clist->clist_window,
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@ -1512,23 +1505,23 @@ draw_row (GtkCList *clist,
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if (!((GtkCTreeRow *)clist_row)->expanded)
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{
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points[0].x = xdest - xoffset - PM_SIZE / 6;
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points[0].y = clip_rectangle.y + yoffset;
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points[0].x = xdest - xoffset - (PM_SIZE+2) / 6 - 2;
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points[0].y = clip_rectangle.y + yoffset - 1;
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points[1].x = points[0].x;
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points[1].y = points[0].y + PM_SIZE;
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points[2].x = points[0].x - 2 * PM_SIZE / 3;
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points[2].y = points[0].y + PM_SIZE / 2;
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points[1].y = points[0].y + (PM_SIZE+2);
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points[2].x = points[0].x - 2 * (PM_SIZE+2) / 3 + 1;
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points[2].y = points[0].y + (PM_SIZE+2) / 2;
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}
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else
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{
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points[0].x = xdest - xoffset;
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points[0].y = clip_rectangle.y + yoffset +
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PM_SIZE / 6;
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points[1].x = points[0].x - PM_SIZE;
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(PM_SIZE+2) / 6;
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points[1].x = points[0].x - (PM_SIZE+2);
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points[1].y = points[0].y;
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points[2].x = points[0].x - PM_SIZE / 2;
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points[2].x = points[0].x - (PM_SIZE+2) / 2;
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points[2].y = clip_rectangle.y + yoffset +
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2 * PM_SIZE / 3;
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2 * (PM_SIZE+2) / 3;
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}
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gdk_draw_polygon (clist->clist_window,
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@ -2014,6 +2007,7 @@ real_tree_move (GtkCTree *ctree,
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gtk_clist_freeze (clist);
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thaw = TRUE;
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}
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gtk_ctree_unlink (ctree, node);
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gtk_ctree_link (ctree, node, new_parent, new_sibling);
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@ -2279,7 +2273,7 @@ tree_delete (GtkCTree *ctree,
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}
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static void
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tree_delete_raw (GtkCTree *ctree,
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tree_delete_row (GtkCTree *ctree,
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GList *node,
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gpointer data)
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{
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@ -2307,9 +2301,7 @@ tree_select (GtkCTree *ctree,
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GList *node,
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gpointer data)
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{
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if (!node || GTK_CTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
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return;
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if (node && GTK_CTREE_ROW (node)->row.state != GTK_STATE_SELECTED)
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gtk_signal_emit (GTK_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW],
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node, data);
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}
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@ -2450,7 +2442,7 @@ cell_empty (GtkCList *clist,
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break;
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case GTK_CELL_WIDGET:
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/* unimplimented */
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/* unimplemented */
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break;
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default:
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@ -2611,24 +2603,21 @@ ctree_is_hot_spot (GtkCTree *ctree,
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+ cell->horizontal + (tree_row->level - 1) * ctree->tree_indent;
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}
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if (x >= xl && x <= xl + PM_SIZE && y >= yu && y <= yu + PM_SIZE)
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return TRUE;
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return FALSE;
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return (x >= xl && x <= xl + PM_SIZE && y >= yu && y <= yu + PM_SIZE);
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}
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static gint
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default_compare (GtkCTree *ctree,
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const GList *list1,
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const GList *list2)
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const GList *node1,
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const GList *node2)
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{
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char *text1;
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char *text2;
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text1 = GTK_CELL_PIXTEXT (GTK_CTREE_ROW
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(list1)->row.cell[ctree->tree_column])->text;
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(node1)->row.cell[ctree->tree_column])->text;
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text2 = GTK_CELL_PIXTEXT (GTK_CTREE_ROW
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(list2)->row.cell[ctree->tree_column])->text;
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(node2)->row.cell[ctree->tree_column])->text;
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return strcmp (text1, text2);
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}
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@ -2737,6 +2726,7 @@ gtk_ctree_insert (GtkCTree *ctree,
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set_node_info (ctree, node, text[ctree->tree_column], spacing, pixmap_closed,
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mask_closed, pixmap_opened, mask_opened, is_leaf, expanded);
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/* sorted insertion */
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if (ctree->auto_sort)
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{
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if (parent)
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@ -2812,14 +2802,12 @@ gtk_ctree_clear (GtkCTree *ctree)
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clist = GTK_CLIST (ctree);
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/* free up the selection list */
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g_list_free (clist->selection);
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clist->selection = NULL;
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ctree->selection_last = NULL;
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/* remove all the rows */
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work = clist->row_list;
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clist->row_list = NULL;
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clist->row_list_end = NULL;
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@ -2829,11 +2817,10 @@ gtk_ctree_clear (GtkCTree *ctree)
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{
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ptr = work;
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work = GTK_CTREE_ROW (work)->sibling;
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gtk_ctree_post_recursive (ctree, ptr, GTK_CTREE_FUNC (tree_delete_raw),
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gtk_ctree_post_recursive (ctree, ptr, GTK_CTREE_FUNC (tree_delete_row),
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NULL);
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}
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clist->voffset = 0;
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ctree->drag_row = -1;
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@ -2855,6 +2842,7 @@ gtk_ctree_clear (GtkCTree *ctree)
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}
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}
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/***********************************************************
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* Generic recursive functions, querying / finding tree *
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* information *
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@ -3263,7 +3251,6 @@ gtk_ctree_set_node_info (GtkCTree *ctree,
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g_return_if_fail (GTK_IS_CTREE (ctree));
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g_return_if_fail (node != NULL);
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old_leaf = GTK_CTREE_ROW (node)->is_leaf;
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old_expanded = GTK_CTREE_ROW (node)->expanded;
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@ -3569,6 +3556,65 @@ gtk_ctree_get_row_data (GtkCTree *ctree,
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return GTK_CTREE_ROW (node)->row.data;
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}
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void
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gtk_ctree_scroll_to (GtkCTree *ctree,
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GList *node,
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gint column,
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gfloat row_align,
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gfloat col_align)
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{
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gint x;
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gint y;
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gint row = 0;
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GtkCList *clist;
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GList *work;
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GtkAdjustment *adj;
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g_return_if_fail (ctree != NULL);
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g_return_if_fail (GTK_IS_CTREE (ctree));
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clist = GTK_CLIST (ctree);
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if (node && !gtk_ctree_is_visible (ctree, node))
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return;
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/* adjust vertical scrollbar */
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||||
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 *
|
||||
|
||||
@ -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(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_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
|
||||
{
|
||||
@ -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 *
|
||||
|
||||
Loading…
Reference in New Issue
Block a user