Ajout de variables et d'options permettant la gestion de la

saisie de texte, focus, selection, etc.

1 files changed, 53 insertions, 1 deletions

diff --git a/generic/WidgetInfo.h b/generic/WidgetInfo.h
index 63d0b62..c6b631b 100644
--- a/generic/WidgetInfo.h
+++ b/generic/WidgetInfo.h
@@ -50,6 +50,44 @@
 #define INTERNAL_NEED_REPICK	8
 
 
+/*
+ * The following structure provides information about the selection and
+ * the insertion cursor.  It is needed by only a few items, such as
+ * those that display text.  It is shared by the generic canvas code
+ * and the item-specific code, but most of the fields should be written
+ * only by the canvas generic code.
+ */
+typedef struct _TextInfo {
+  ZnColor	sel_color;	/* Background color for selected text.
+				 * Read-only to items.*/
+  Item		sel_item;	/* Pointer to selected item. ZN_NO_ITEM
+				 * means that the widget doesn't own the
+				 * selection. Writable by items. */
+  int		sel_first;	/* Index of first selected character. 
+				 * Writable by items. */
+  int		sel_last;	/* Index of last selected character. 
+				 * Writable by items. */
+  Item		anchor_item;	/* Item corresponding to sel_anchor: not
+				 * necessarily sel_item. Read-only to items. */
+  int		sel_anchor;	/* Fixed end of selection (i.e. "select to"
+				 * operation will use this as one end of the
+				 * selection).  Writable by items. */
+  ZnColor	insert_color;	/* Used to draw vertical bar for insertion
+				 * cursor.  Read-only to items. */
+  int		insert_width;	/* Total width of insertion cursor.  Read-only
+				 * to items. */
+  Item		focus_item;	/* Item that currently has the input focus,
+				 * or ZN_NO_ITEM if no such item.  Read-only to
+				 * items.  */
+  ZnBool	got_focus;	/* True means that the widget has the input
+				 * focus.  Read-only to items.*/
+  ZnBool	cursor_on;	/* True means that an insertion cursor should
+				 * be displayed in focus_item. Read-only to
+				 * items.*/
+  struct _ColorGradient *sel_relief;
+  struct _ColorGradient *insert_relief;
+} TextInfo;
+
 typedef struct _WidgetInfo {
   Tcl_Interp		*interp;	/* Interpreter associated with widget.	*/
   Tcl_Command		cmd;		/* Token for zinc widget command.	*/
@@ -127,7 +165,8 @@ typedef struct _WidgetInfo {
   /* Zinc private resources */
   int			width;			/* Actual window dimension. */
   int			height;
-
+  int			inset;			/* Border and highlight width */
+  
   /* Graphic variables */
   Display		*dpy;			/* The display of the widget window.	*/
   Screen		*screen;
@@ -147,6 +186,19 @@ typedef struct _WidgetInfo {
   ZnList		work_pts;		/* Temporary point lists. */
   ZnList		work_xpts;
 
+  /* Text management */
+  TextInfo		text_info;
+  int			insert_on_time;
+  int			insert_off_time;
+  Tcl_TimerToken	blink_handler;
+  char			*take_focus;
+  int			highlight_width;	/* Width in pixels of highlight to draw
+						 * around widget when it has the focus.
+						 * = 0 means don't draw a highlight. */
+  ZnColor		highlight_bg_color;	/* Color for drawing traversal highlight
+						 * area when highlight is off. */
+  ZnColor		highlight_color;	/* Color for drawing traversal highlight.*/
+  
   /* Perf measurement variables. */
   ZnBool		monitoring;
   int			num_updates;