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authorChristopher James Lahey <clahey@helixcode.com>2000-04-15 08:10:19 +0800
committerChris Lahey <clahey@src.gnome.org>2000-04-15 08:10:19 +0800
commitb8681b4d2546a139781f8f6aea05c0fd29343f30 (patch)
treed107331478eb0eaf72185c63fa188961f18d54d8 /widgets
parenta7c2eba660170e0299e99e5ef29e621bdf74d526 (diff)
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Added a row height cache.
2000-04-14 Christopher James Lahey <clahey@helixcode.com> * e-table-item.c, e-table-item.h: Added a row height cache. svn path=/trunk/; revision=2443
Diffstat (limited to 'widgets')
-rw-r--r--widgets/e-table/ChangeLog4
-rw-r--r--widgets/e-table/e-table-item.c61
-rw-r--r--widgets/e-table/e-table-item.h3
-rw-r--r--widgets/table/e-table-item.c61
-rw-r--r--widgets/table/e-table-item.h3
5 files changed, 128 insertions, 4 deletions
diff --git a/widgets/e-table/ChangeLog b/widgets/e-table/ChangeLog
index f4c80f8b0b..9fb45790dd 100644
--- a/widgets/e-table/ChangeLog
+++ b/widgets/e-table/ChangeLog
@@ -1,3 +1,7 @@
+2000-04-14 Christopher James Lahey <clahey@helixcode.com>
+
+ * e-table-item.c, e-table-item.h: Added a row height cache.
+
2000-04-15 Ettore Perazzoli <ettore@helixcode.com>
* e-table.c (e_table_construct): Use `strlen (copy)' instead of
diff --git a/widgets/e-table/e-table-item.c b/widgets/e-table/e-table-item.c
index 3e1af6b5b1..53515517e6 100644
--- a/widgets/e-table/e-table-item.c
+++ b/widgets/e-table/e-table-item.c
@@ -225,10 +225,13 @@ eti_remove_table_model (ETableItem *eti)
eti->table_model_change_id);
gtk_signal_disconnect (GTK_OBJECT (eti->table_model),
eti->table_model_row_change_id);
+ gtk_signal_disconnect (GTK_OBJECT (eti->table_model),
+ eti->table_model_cell_change_id);
gtk_object_unref (GTK_OBJECT (eti->table_model));
eti->table_model_change_id = 0;
eti->table_model_row_change_id = 0;
+ eti->table_model_cell_change_id = 0;
eti->table_model = NULL;
}
@@ -261,13 +264,13 @@ eti_remove_header_model (ETableItem *eti)
}
/*
- * eti_row_height:
+ * eti_row_height_real:
*
* Returns the height used by row @row. This does not include the one-pixel
* used as a separator between rows
*/
static int
-eti_row_height (ETableItem *eti, int row)
+eti_row_height_real (ETableItem *eti, int row)
{
const int cols = e_table_header_count (eti->header);
int col;
@@ -288,6 +291,41 @@ eti_row_height (ETableItem *eti, int row)
return max_h;
}
+static void
+free_height_cache (ETableItem *eti)
+{
+ if (eti->height_cache)
+ g_free (eti->height_cache);
+ eti->height_cache = NULL;
+}
+
+static void
+calculate_height_cache (ETableItem *eti)
+{
+ int i;
+ free_height_cache(eti);
+ eti->height_cache = g_new(int, eti->rows);
+ for (i = 0; i < eti->rows; i++) {
+ eti->height_cache[i] = eti_row_height_real(eti, i);
+ }
+}
+
+
+/*
+ * eti_row_height:
+ *
+ * Returns the height used by row @row. This does not include the one-pixel
+ * used as a separator between rows
+ */
+static int
+eti_row_height (ETableItem *eti, int row)
+{
+ if (!eti->height_cache) {
+ calculate_height_cache (eti);
+ }
+ return eti->height_cache[row];
+}
+
/*
* eti_get_height:
*
@@ -357,6 +395,8 @@ eti_table_model_changed (ETableModel *table_model, ETableItem *eti)
if (eti->focused_row > eti->rows - 1)
eti->focused_row = eti->rows - 1;
+ free_height_cache(eti);
+
eti->needs_compute_height = 1;
e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (eti));
eti->needs_redraw = 1;
@@ -428,7 +468,18 @@ eti_table_model_row_changed (ETableModel *table_model, int row, ETableItem *eti)
eti_table_model_changed (table_model, eti);
return;
}
+
+ eti_request_region_redraw (eti, 0, row, eti->cols, row, 0);
+}
+static void
+eti_table_model_cell_changed (ETableModel *table_model, int col, int row, ETableItem *eti)
+{
+ if (eti->renderers_can_change_size) {
+ eti_table_model_changed (table_model, eti);
+ return;
+ }
+
eti_request_region_redraw (eti, 0, row, eti->cols, row, 0);
}
@@ -469,6 +520,10 @@ eti_add_table_model (ETableItem *eti, ETableModel *table_model)
GTK_OBJECT (table_model), "model_row_changed",
GTK_SIGNAL_FUNC (eti_table_model_row_changed), eti);
+ eti->table_model_cell_change_id = gtk_signal_connect (
+ GTK_OBJECT (table_model), "model_cell_changed",
+ GTK_SIGNAL_FUNC (eti_table_model_cell_changed), eti);
+
if (eti->header) {
eti_detach_cell_views (eti);
eti_attach_cell_views (eti);
@@ -617,6 +672,8 @@ eti_init (GnomeCanvasItem *item)
eti->editing_col = -1;
eti->editing_row = -1;
eti->height = 0;
+
+ eti->height_cache = NULL;
eti->length_threshold = -1;
eti->renderers_can_change_size = 1;
diff --git a/widgets/e-table/e-table-item.h b/widgets/e-table/e-table-item.h
index b5c5980f2c..1e451e64fe 100644
--- a/widgets/e-table/e-table-item.h
+++ b/widgets/e-table/e-table-item.h
@@ -29,6 +29,7 @@ typedef struct {
int header_structure_change_id;
int table_model_change_id;
int table_model_row_change_id;
+ int table_model_cell_change_id;
GdkGC *fill_gc;
GdkGC *grid_gc;
@@ -49,6 +50,8 @@ typedef struct {
ECellView **cell_views;
int n_cells;
+ int *height_cache;
+
/*
* Lengh Threshold: above this, we stop computing correctly
* the size
diff --git a/widgets/table/e-table-item.c b/widgets/table/e-table-item.c
index 3e1af6b5b1..53515517e6 100644
--- a/widgets/table/e-table-item.c
+++ b/widgets/table/e-table-item.c
@@ -225,10 +225,13 @@ eti_remove_table_model (ETableItem *eti)
eti->table_model_change_id);
gtk_signal_disconnect (GTK_OBJECT (eti->table_model),
eti->table_model_row_change_id);
+ gtk_signal_disconnect (GTK_OBJECT (eti->table_model),
+ eti->table_model_cell_change_id);
gtk_object_unref (GTK_OBJECT (eti->table_model));
eti->table_model_change_id = 0;
eti->table_model_row_change_id = 0;
+ eti->table_model_cell_change_id = 0;
eti->table_model = NULL;
}
@@ -261,13 +264,13 @@ eti_remove_header_model (ETableItem *eti)
}
/*
- * eti_row_height:
+ * eti_row_height_real:
*
* Returns the height used by row @row. This does not include the one-pixel
* used as a separator between rows
*/
static int
-eti_row_height (ETableItem *eti, int row)
+eti_row_height_real (ETableItem *eti, int row)
{
const int cols = e_table_header_count (eti->header);
int col;
@@ -288,6 +291,41 @@ eti_row_height (ETableItem *eti, int row)
return max_h;
}
+static void
+free_height_cache (ETableItem *eti)
+{
+ if (eti->height_cache)
+ g_free (eti->height_cache);
+ eti->height_cache = NULL;
+}
+
+static void
+calculate_height_cache (ETableItem *eti)
+{
+ int i;
+ free_height_cache(eti);
+ eti->height_cache = g_new(int, eti->rows);
+ for (i = 0; i < eti->rows; i++) {
+ eti->height_cache[i] = eti_row_height_real(eti, i);
+ }
+}
+
+
+/*
+ * eti_row_height:
+ *
+ * Returns the height used by row @row. This does not include the one-pixel
+ * used as a separator between rows
+ */
+static int
+eti_row_height (ETableItem *eti, int row)
+{
+ if (!eti->height_cache) {
+ calculate_height_cache (eti);
+ }
+ return eti->height_cache[row];
+}
+
/*
* eti_get_height:
*
@@ -357,6 +395,8 @@ eti_table_model_changed (ETableModel *table_model, ETableItem *eti)
if (eti->focused_row > eti->rows - 1)
eti->focused_row = eti->rows - 1;
+ free_height_cache(eti);
+
eti->needs_compute_height = 1;
e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (eti));
eti->needs_redraw = 1;
@@ -428,7 +468,18 @@ eti_table_model_row_changed (ETableModel *table_model, int row, ETableItem *eti)
eti_table_model_changed (table_model, eti);
return;
}
+
+ eti_request_region_redraw (eti, 0, row, eti->cols, row, 0);
+}
+static void
+eti_table_model_cell_changed (ETableModel *table_model, int col, int row, ETableItem *eti)
+{
+ if (eti->renderers_can_change_size) {
+ eti_table_model_changed (table_model, eti);
+ return;
+ }
+
eti_request_region_redraw (eti, 0, row, eti->cols, row, 0);
}
@@ -469,6 +520,10 @@ eti_add_table_model (ETableItem *eti, ETableModel *table_model)
GTK_OBJECT (table_model), "model_row_changed",
GTK_SIGNAL_FUNC (eti_table_model_row_changed), eti);
+ eti->table_model_cell_change_id = gtk_signal_connect (
+ GTK_OBJECT (table_model), "model_cell_changed",
+ GTK_SIGNAL_FUNC (eti_table_model_cell_changed), eti);
+
if (eti->header) {
eti_detach_cell_views (eti);
eti_attach_cell_views (eti);
@@ -617,6 +672,8 @@ eti_init (GnomeCanvasItem *item)
eti->editing_col = -1;
eti->editing_row = -1;
eti->height = 0;
+
+ eti->height_cache = NULL;
eti->length_threshold = -1;
eti->renderers_can_change_size = 1;
diff --git a/widgets/table/e-table-item.h b/widgets/table/e-table-item.h
index b5c5980f2c..1e451e64fe 100644
--- a/widgets/table/e-table-item.h
+++ b/widgets/table/e-table-item.h
@@ -29,6 +29,7 @@ typedef struct {
int header_structure_change_id;
int table_model_change_id;
int table_model_row_change_id;
+ int table_model_cell_change_id;
GdkGC *fill_gc;
GdkGC *grid_gc;
@@ -49,6 +50,8 @@ typedef struct {
ECellView **cell_views;
int n_cells;
+ int *height_cache;
+
/*
* Lengh Threshold: above this, we stop computing correctly
* the size