Started adapting ETableItem to use the canvas selection/cursor system.

2000-06-20  Christopher James Lahey  <clahey@helixcode.com>

	* e-table-item.c, e-table-item.h: Started adapting ETableItem to
	use the canvas selection/cursor system.

svn path=/trunk/; revision=3656

2 files changed, 77 insertions, 101 deletions

diff --git a/widgets/table/e-table-item.c b/widgets/table/e-table-item.c
index 5167c794e6..b5b775d2f8 100644
--- a/widgets/table/e-table-item.c
+++ b/widgets/table/e-table-item.c
@@ -17,6 +17,7 @@
 #include <gdk/gdkkeysyms.h>
 #include <math.h>
 #include "e-table-item.h"
+#include "e-table-subset.h"
 #include "e-cell.h"
 #include "e-util/e-canvas.h"
 #include "e-util/e-canvas-utils.h"
@@ -58,6 +59,9 @@ enum {
 static int eti_get_height (ETableItem *eti);
 static int eti_get_minimum_width (ETableItem *eti);
 static int eti_row_height (ETableItem *eti, int row);
+static void e_table_item_unselect_row (ETableItem *eti, int row);
+static void e_table_item_select_row (ETableItem *eti, int row);
+static void eti_selection (GnomeCanvasItem *item, int flags, gpointer user_data);
 #define ETI_ROW_HEIGHT(eti,row) ((eti)->height_cache && (eti)->height_cache[(row)] != -1 ? (eti)->height_cache[(row)] : eti_row_height((eti),(row)))
 
 static gboolean
@@ -253,6 +257,8 @@ eti_remove_table_model (ETableItem *eti)
 	gtk_signal_disconnect (GTK_OBJECT (eti->table_model),
 			       eti->table_model_row_deleted_id);
 	gtk_object_unref (GTK_OBJECT (eti->table_model));
+	if (eti->source_model)
+		gtk_object_unref (GTK_OBJECT (eti->source_model));
 
 	eti->table_model_change_id = 0;
 	eti->table_model_row_change_id = 0;
@@ -260,6 +266,8 @@ eti_remove_table_model (ETableItem *eti)
 	eti->table_model_row_inserted_id = 0;
 	eti->table_model_row_deleted_id = 0;
 	eti->table_model = NULL;
+	eti->source_model = NULL;
+	eti->uses_source_model = 0;
 }
 
 /*
@@ -647,6 +655,11 @@ eti_add_table_model (ETableItem *eti, ETableModel *table_model)
 		eti_detach_cell_views (eti);
 		eti_attach_cell_views (eti);
 	}
+
+	if (E_IS_TABLE_SUBSET(table_model)) {
+		eti->uses_source_model = 1;
+		eti->source_model = E_TABLE_SUBSET(table_model)->source;
+	}
 	
 	eti_table_model_changed (table_model, eti);
 }
@@ -810,10 +823,6 @@ eti_init (GnomeCanvasItem *item)
 {
 	ETableItem *eti = E_TABLE_ITEM (item);
 
-	eti->cursor_row = -1;
-	eti->cursor_col = 0;
-	eti->cursor_mode = E_TABLE_CURSOR_SIMPLE;
-
 	eti->editing_col = -1;
 	eti->editing_row = -1;
 	eti->height = 0;
@@ -826,15 +835,21 @@ eti_init (GnomeCanvasItem *item)
 	
 	eti->length_threshold = -1;
 	eti->renderers_can_change_size = 1;
+
+	eti->uses_source_model = 0;
+	eti->source_model = NULL;
 	
-#if 0
-	eti->selection_mode = GTK_SELECTION_SINGLE;
-#endif
+	eti->cursor_row = -1;
+	eti->cursor_col = 0;
+	eti->cursor_mode = E_TABLE_CURSOR_SIMPLE;
+
+	eti->selection = NULL;
 
 	eti->needs_redraw = 0;
 	eti->needs_compute_height = 0;
 
 	e_canvas_item_set_reflow_callback (GNOME_CANVAS_ITEM (eti), eti_reflow);
+	e_canvas_item_set_selection_callback (GNOME_CANVAS_ITEM (eti), eti_selection);
 }
 
 #define gray50_width 2
@@ -1587,7 +1602,6 @@ e_table_item_get_focused_column (ETableItem *eti)
 }
 
 
-#if 0
 const GSList *
 e_table_item_get_selection (ETableItem *eti)
 {
@@ -1597,29 +1611,6 @@ e_table_item_get_selection (ETableItem *eti)
 	return eti->selection;
 }
 
-GtkSelectionMode
-e_table_item_get_selection_mode (ETableItem *eti)
-{
-	g_return_val_if_fail (eti != NULL, GTK_SELECTION_SINGLE);
-	g_return_val_if_fail (E_IS_TABLE_ITEM (eti), GTK_SELECTION_SINGLE);
-
-	return eti->selection_mode;
-}
-
-void
-e_table_item_set_selection_mode (ETableItem *eti, GtkSelectionMode selection_mode)
-{
-	g_return_if_fail (eti != NULL);
-	g_return_if_fail (E_IS_TABLE_ITEM (eti));
-
-	if (selection_mode == GTK_SELECTION_BROWSE ||
-	    selection_mode == GTK_SELECTION_EXTENDED){
-		g_error ("GTK_SELECTION_BROWSE and GTK_SELECTION_EXTENDED are not implemented");
-	}
-	
-	eti->selection_mode = selection_mode;
-}
-
 gboolean
 e_table_item_is_row_selected (ETableItem *eti, int row)
 {
@@ -1632,53 +1623,49 @@ e_table_item_is_row_selected (ETableItem *eti, int row)
 		return FALSE;
 }
 
-void
+static void
 e_table_item_unselect_row (ETableItem *eti, int row)
 {
 	g_return_if_fail (eti != NULL);
 	g_return_if_fail (E_IS_TABLE_ITEM (eti));
 
-	if (e_table_item_is_row_selected (eti, row)){
-		gtk_signal_emit (
-			GTK_OBJECT (eti), eti_signals [ROW_SELECTION],
-			row, 0);
-	}
+	gtk_signal_emit (GTK_OBJECT (eti), eti_signals [ROW_SELECTION],
+			 row, 0);
 }
 
-void
+static void
 e_table_item_select_row (ETableItem *eti, int row)
 {
 	g_return_if_fail (eti != NULL);
 	g_return_if_fail (E_IS_TABLE_ITEM (eti));
 
-	switch (eti->selection_mode){
-	case GTK_SELECTION_SINGLE:
-		if (eti->selection){
-			gtk_signal_emit (
-				GTK_OBJECT (eti), eti_signals [ROW_SELECTION],
-				GPOINTER_TO_INT (eti->selection->data), 0);
-		}
-		g_slist_free (eti->selection);
-		eti->selection = NULL;
-
-		gtk_signal_emit (
-			GTK_OBJECT (eti), eti_signals [ROW_SELECTION],
-			GINT_TO_POINTER (row), 1);
-		break;
-				
-	case GTK_SELECTION_MULTIPLE:
-		if (g_slist_find (eti->selection, GINT_TO_POINTER (row)))
-			return;
-		gtk_signal_emit (
-			GTK_OBJECT (eti), eti_signals [ROW_SELECTION],
-			GINT_TO_POINTER (row), 1);
-		break;
+	gtk_signal_emit (GTK_OBJECT (eti), eti_signals [ROW_SELECTION],
+			 GINT_TO_POINTER (row), 1);
+}
 
-	default:
+static void
+eti_selection (GnomeCanvasItem *item, int flags, gpointer data)
+{
+	int row = (int) data;
+	int col = 0;
+	ETableItem *eti = E_TABLE_ITEM(item);
+	int selected = e_table_item_is_row_selected(eti, row);
+	int cursored = row == eti->cursor_row;
+	
+	if (selected && (flags & E_CANVAS_ITEM_SELECTION_SELECT) == 0) {
+		e_table_item_unselect_row (eti, row);
+	}
+	if ((!selected) && (flags & E_CANVAS_ITEM_SELECTION_SELECT) != 0) {
+		e_table_item_select_row (eti, row);
+	}
+	if ((!cursored) && (flags & E_CANVAS_ITEM_SELECTION_CURSOR) != 0) {
+		eti->cursor_row = row;
+		eti->cursor_col = col;
+	}
+	if (flags & E_CANVAS_ITEM_SELECTION_DELETE_DATA) {
 		
 	}
 }
-#endif
 
 void
 e_table_item_enter_edit (ETableItem *eti, int col, int row)
diff --git a/widgets/table/e-table-item.h b/widgets/table/e-table-item.h
index 7ad5955cdc..1d522413cd 100644
--- a/widgets/table/e-table-item.h
+++ b/widgets/table/e-table-item.h
@@ -25,6 +25,8 @@ typedef struct {
 	ETableModel     *table_model;
 	ETableHeader    *header;
 
+	ETableModel     *source_model;
+
 	int              x1, y1;
 	int              minimum_width, width, height;
 
@@ -46,14 +48,17 @@ typedef struct {
 	GdkGC           *focus_gc;
 	GdkBitmap       *stipple;
 
-	guint     draw_grid:1;
-	guint     draw_focus:1;
-	guint     renderers_can_change_size:1;
-	guint     cell_views_realized:1;
+	guint 		 draw_grid:1;
+	guint 		 draw_focus:1;
+	guint 		 renderers_can_change_size:1;
+	guint 		 cell_views_realized:1;
+	      	    
+	guint 		 needs_redraw : 1;
+	guint 		 needs_compute_height : 1;
+	guint 		 needs_compute_width : 1;
+
+	guint            uses_source_model : 1;
 
-	guint needs_redraw : 1;
-	guint needs_compute_height : 1;
-	guint needs_compute_width : 1;
 	/*
 	 * Realized views, per column
 	 */
@@ -74,14 +79,10 @@ typedef struct {
 	gint             cursor_col;
 	ETableCursorMode cursor_mode;
 
-#if 0
 	GSList          *selection;
-	gint             selection_count;
 
-	GtkSelectionMode selection_mode;
-#endif
 	/*
-	 * During edition
+	 * During editing
 	 */
 	int              editing_col, editing_row;
 	void            *edit_ctx;
@@ -109,35 +110,23 @@ void       e_table_item_unfocus  (ETableItem *eti);
 
 gint       e_table_item_get_focused_column (ETableItem *eti);
 
-#if 0
-/*
- * Selection
- */
-void        e_table_item_select_row    (ETableItem *e_table_Item, int row);
-void        e_table_item_unselect_row  (ETableItem *e_table_Item, int row);
-
 /*
  * Handling the selection
  */
-const GSList*e_table_item_get_selection (ETableItem *e_table_Item);
-
-GtkSelectionMode e_table_item_get_selection_mode (ETableItem *e_table_Item);
-void             e_table_item_set_selection_mode (ETableItem *e_table_Item,
-						  GtkSelectionMode selection_mode);
-gboolean         e_table_item_is_row_selected    (ETableItem *e_table_Item,
-						  int row);
-#endif
-
-void             e_table_item_leave_edit         (ETableItem *eti);
-void             e_table_item_enter_edit         (ETableItem *eti, int col, int row);
-
-void             e_table_item_redraw_range       (ETableItem *eti,
-						  int start_col, int start_row,
-						  int end_col, int end_row);
-
-EPrintable      *e_table_item_get_printable      (ETableItem        *eti);
-void             e_table_item_print_height       (ETableItem        *eti,
-						  GnomePrintContext *context,
-						  gdouble            width);
+const GSList *e_table_item_get_selection   (ETableItem *e_table_Item);
+gboolean      e_table_item_is_row_selected (ETableItem *e_table_Item,
+					    int row);
+	     				   
+void          e_table_item_leave_edit      (ETableItem *eti);
+void          e_table_item_enter_edit      (ETableItem *eti, int col, int row);
+	     				   
+void          e_table_item_redraw_range    (ETableItem *eti,
+					    int start_col, int start_row,
+					    int end_col, int end_row);
+	     				   
+EPrintable   *e_table_item_get_printable   (ETableItem        *eti);
+void          e_table_item_print_height    (ETableItem        *eti,
+					    GnomePrintContext *context,
+					    gdouble            width);
 
 #endif /* _E_TABLE_ITEM_H_ */