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authorChristopher James Lahey <clahey@helixcode.com>2000-05-20 02:47:16 +0800
committerChris Lahey <clahey@src.gnome.org>2000-05-20 02:47:16 +0800
commit46f211579d1dfd60147099942b40c9697796e7c8 (patch)
tree5f8e8027e3e378bd2c8061ecf10061f4609ab02e /widgets/table
parentae208c7e8ff0463666c52392553af2572a8ee9b5 (diff)
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Added initialize_value and value_is_empty callbacks.
2000-05-19 Christopher James Lahey <clahey@helixcode.com> * e-table-example-1.c, e-table-example-2.c, e-table-simple.c, e-table-simple.h, e-table-size-test.c, test-check.c, test-cols.c, test-table.c: Added initialize_value and value_is_empty callbacks. * e-table-model.c, e-table-model.h: Added initialize_value and value_is_callback virtual functions to the ETableModel class. * e-table-subset.c: Perpetuate the initialize_value and value_is_empty methods. svn path=/trunk/; revision=3138
Diffstat (limited to 'widgets/table')
-rw-r--r--widgets/table/e-table-example-1.c18
-rw-r--r--widgets/table/e-table-example-2.c98
-rw-r--r--widgets/table/e-table-model.c41
-rw-r--r--widgets/table/e-table-model.h12
-rw-r--r--widgets/table/e-table-simple.c78
-rw-r--r--widgets/table/e-table-simple.h28
-rw-r--r--widgets/table/e-table-size-test.c18
-rw-r--r--widgets/table/e-table-subset.c18
-rw-r--r--widgets/table/test-check.c41
-rw-r--r--widgets/table/test-cols.c36
-rw-r--r--widgets/table/test-table.c19
11 files changed, 323 insertions, 84 deletions
diff --git a/widgets/table/e-table-example-1.c b/widgets/table/e-table-example-1.c
index 70689c2953..fbaa3389a2 100644
--- a/widgets/table/e-table-example-1.c
+++ b/widgets/table/e-table-example-1.c
@@ -157,6 +157,20 @@ my_free_value (ETableModel *etc, int col, void *value, void *data)
g_free (value);
}
+/* This function creates an empty value. */
+static void *
+my_initialize_value (ETableModel *etc, int col, void *data)
+{
+ return g_strdup ("");
+}
+
+/* This function reports if a value is empty. */
+static gboolean
+my_value_is_empty (ETableModel *etc, int col, const void *value, void *data)
+{
+ return !(value && *(char *)value);
+}
+
/* This function is for when the model is unfrozen. This can mostly
be ignored for simple models. */
static void
@@ -184,7 +198,9 @@ create_table (void)
e_table_model = e_table_simple_new (
my_col_count, my_row_count, my_value_at,
my_set_value_at, my_is_cell_editable,
- my_duplicate_value, my_free_value, my_thaw, NULL);
+ my_duplicate_value, my_free_value,
+ my_initialize_value, my_value_is_empty,
+ my_thaw, NULL);
/*
* Next we create a header. The ETableHeader is used in two
* different way. The first is the full_header. This is the
diff --git a/widgets/table/e-table-example-2.c b/widgets/table/e-table-example-2.c
index 5bc6910437..c318507ea4 100644
--- a/widgets/table/e-table-example-2.c
+++ b/widgets/table/e-table-example-2.c
@@ -121,66 +121,90 @@ my_col_count (ETableModel *etc, void *data)
static int
my_row_count (ETableModel *etc, void *data)
{
- return ROWS;
+ return ROWS;
}
static void *
my_value_at (ETableModel *etc, int col, int row, void *data)
{
- if (col == COLOR_COLUMN){
- if (importance_data[row]){
- return color1;
- } else {
- return color2;
- }
- } else if (col == IMPORTANCE_COLUMN){
- return (gpointer) importance_data[row];
- } else {
- return (void *) table_data [row][col];
- }
+ if (col == COLOR_COLUMN){
+ if (importance_data[row]){
+ return color1;
+ } else {
+ return color2;
+ }
+ } else if (col == IMPORTANCE_COLUMN){
+ return (gpointer) importance_data[row];
+ } else {
+ return (void *) table_data [row][col];
+ }
}
static void
my_set_value_at (ETableModel *etc, int col, int row, const void *val, void *data)
{
- if (col == COLOR_COLUMN){
- } else if (col == IMPORTANCE_COLUMN){
- importance_data[row] = (gboolean) val;
- } else {
- g_free (table_data [row][col]);
- table_data [row][col] = g_strdup (val);
- }
+ if (col == COLOR_COLUMN){
+ } else if (col == IMPORTANCE_COLUMN){
+ importance_data[row] = (gboolean) val;
+ } else {
+ g_free (table_data [row][col]);
+ table_data [row][col] = g_strdup (val);
+ }
}
static gboolean
my_is_cell_editable (ETableModel *etc, int col, int row, void *data)
{
- if (col == IMPORTANCE_COLUMN)
- return FALSE;
- else
- return TRUE;
+ if (col == IMPORTANCE_COLUMN)
+ return FALSE;
+ else
+ return TRUE;
}
static void *
my_duplicate_value (ETableModel *etc, int col, const void *value, void *data)
{
- if (col == COLOR_COLUMN){
- return (void *) value;
- } else if (col == IMPORTANCE_COLUMN){
- return (void *) value;
- } else {
- return g_strdup (value);
- }
+ if (col == COLOR_COLUMN){
+ return (void *) value;
+ } else if (col == IMPORTANCE_COLUMN){
+ return (void *) value;
+ } else {
+ return g_strdup (value);
+ }
}
static void
my_free_value (ETableModel *etc, int col, void *value, void *data)
{
- if (col == COLOR_COLUMN){
- } else if (col == IMPORTANCE_COLUMN){
- } else {
- g_free (value);
- }
+ if (col == COLOR_COLUMN){
+ } else if (col == IMPORTANCE_COLUMN){
+ } else {
+ g_free (value);
+ }
+}
+
+static void *
+my_initialize_value (ETableModel *etc, int col, void *data)
+{
+ if (col == COLOR_COLUMN){
+ return NULL;
+ } else if (col == IMPORTANCE_COLUMN){
+ return NULL;
+ } else {
+ return g_strdup ("");
+ }
+}
+
+static gboolean
+my_value_is_empty (ETableModel *etc, int col, const void *value, void *data)
+{
+ if (col == COLOR_COLUMN){
+ return value == NULL;
+ } else if (col == IMPORTANCE_COLUMN){
+ return value == NULL;
+ } else {
+ return !(value && *(char *)value);
+ }
}
static void
@@ -213,7 +237,9 @@ create_table ()
e_table_model = e_table_simple_new (
my_col_count, my_row_count, my_value_at,
my_set_value_at, my_is_cell_editable,
- my_duplicate_value, my_free_value, my_thaw, NULL);
+ my_duplicate_value, my_free_value,
+ my_initialize_value, my_value_is_empty,
+ my_thaw, NULL);
/*
Next we create a header. The ETableHeader is used in two
different way. The first is the full_header. This is the
diff --git a/widgets/table/e-table-model.c b/widgets/table/e-table-model.c
index 3ea01c05e1..7ed8a9ba5f 100644
--- a/widgets/table/e-table-model.c
+++ b/widgets/table/e-table-model.c
@@ -107,6 +107,30 @@ e_table_model_free_value (ETableModel *e_table_model, int col, void *value)
ETM_CLASS (e_table_model)->free_value (e_table_model, col, value);
}
+void *
+e_table_model_initialize_value (ETableModel *e_table_model, int col)
+{
+ g_return_val_if_fail (e_table_model != NULL, NULL);
+ g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), NULL);
+
+ if (ETM_CLASS (e_table_model)->initialize_value)
+ return ETM_CLASS (e_table_model)->initialize_value (e_table_model, col);
+ else
+ return NULL;
+}
+
+gboolean
+e_table_model_value_is_empty (ETableModel *e_table_model, int col, const void *value)
+{
+ g_return_val_if_fail (e_table_model != NULL, FALSE);
+ g_return_val_if_fail (E_IS_TABLE_MODEL (e_table_model), FALSE);
+
+ if (ETM_CLASS (e_table_model)->value_is_empty)
+ return ETM_CLASS (e_table_model)->value_is_empty (e_table_model, col, value);
+ else
+ return FALSE;
+}
+
static void
e_table_model_destroy (GtkObject *object)
{
@@ -117,6 +141,7 @@ e_table_model_destroy (GtkObject *object)
static void
e_table_model_class_init (GtkObjectClass *object_class)
{
+ ETableModelClass *klass = E_TABLE_MODEL_CLASS(object_class);
e_table_model_parent_class = gtk_type_class (gtk_object_get_type ());
object_class->destroy = e_table_model_destroy;
@@ -162,6 +187,22 @@ e_table_model_class_init (GtkObjectClass *object_class)
GTK_TYPE_NONE, 1, GTK_TYPE_INT);
gtk_object_class_add_signals (object_class, e_table_model_signals, LAST_SIGNAL);
+
+ klass->column_count = NULL;
+ klass->row_count = NULL;
+ klass->value_at = NULL;
+ klass->set_value_at = NULL;
+ klass->is_cell_editable = NULL;
+ klass->duplicate_value = NULL;
+ klass->free_value = NULL;
+ klass->initialize_value = NULL;
+ klass->value_is_empty = NULL;
+ klass->thaw = NULL;
+ klass->model_changed = NULL;
+ klass->model_row_changed = NULL;
+ klass->model_cell_changed = NULL;
+ klass->model_row_inserted = NULL;
+ klass->model_row_deleted = NULL;
}
diff --git a/widgets/table/e-table-model.h b/widgets/table/e-table-model.h
index e542754f22..0c8d51b882 100644
--- a/widgets/table/e-table-model.h
+++ b/widgets/table/e-table-model.h
@@ -28,8 +28,14 @@ typedef struct {
void (*set_value_at) (ETableModel *etm, int col, int row, const void *value);
gboolean (*is_cell_editable) (ETableModel *etm, int col, int row);
- void *(*duplicate_value) (ETableModel *etm, int col, const void *value);
- void (*free_value) (ETableModel *etm, int col, void *value);
+ /* Allocate a copy of the given value. */
+ void *(*duplicate_value) (ETableModel *etm, int col, const void *value);
+ /* Free an allocated value. */
+ void (*free_value) (ETableModel *etm, int col, void *value);
+ /* Return an allocated empty value. */
+ void *(*initialize_value) (ETableModel *etm, int col);
+ /* Return TRUE if value is equivalent to an empty cell. */
+ gboolean (*value_is_empty) (ETableModel *etm, int col, const void *value);
void (*thaw) (ETableModel *etm);
/*
@@ -62,6 +68,8 @@ gboolean e_table_model_is_cell_editable (ETableModel *e_table_model, int col,
void *e_table_model_duplicate_value (ETableModel *e_table_model, int col, const void *value);
void e_table_model_free_value (ETableModel *e_table_model, int col, void *value);
+void *e_table_model_initialize_value (ETableModel *e_table_model, int col);
+gboolean e_table_model_value_is_empty (ETableModel *e_table_model, int col, const void *value);
void e_table_model_freeze (ETableModel *e_table_model);
void e_table_model_thaw (ETableModel *e_table_model);
diff --git a/widgets/table/e-table-simple.c b/widgets/table/e-table-simple.c
index e8c4d1debb..7e0135b21e 100644
--- a/widgets/table/e-table-simple.c
+++ b/widgets/table/e-table-simple.c
@@ -18,63 +18,103 @@
static int
simple_column_count (ETableModel *etm)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- return simple->col_count (etm, simple->data);
+ if (simple->col_count)
+ return simple->col_count (etm, simple->data);
+ else
+ return 0;
}
static int
simple_row_count (ETableModel *etm)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- return simple->row_count (etm, simple->data);
+ if (simple->row_count)
+ return simple->row_count (etm, simple->data);
+ else
+ return 0;
}
static void *
simple_value_at (ETableModel *etm, int col, int row)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- return simple->value_at (etm, col, row, simple->data);
+ if (simple->value_at)
+ return simple->value_at (etm, col, row, simple->data);
+ else
+ return NULL;
}
static void
simple_set_value_at (ETableModel *etm, int col, int row, const void *val)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- simple->set_value_at (etm, col, row, val, simple->data);
+ if (simple->set_value_at)
+ simple->set_value_at (etm, col, row, val, simple->data);
}
static gboolean
simple_is_cell_editable (ETableModel *etm, int col, int row)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- return simple->is_cell_editable (etm, col, row, simple->data);
+ if (simple->is_cell_editable)
+ return simple->is_cell_editable (etm, col, row, simple->data);
+ else
+ return FALSE;
}
+/* The default for simple_duplicate_value is to return the raw value. */
static void *
simple_duplicate_value (ETableModel *etm, int col, const void *value)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- return simple->duplicate_value (etm, col, value, simple->data);
+ if (simple->duplicate_value)
+ return simple->duplicate_value (etm, col, value, simple->data);
+ else
+ return (void *)value;
}
static void
simple_free_value (ETableModel *etm, int col, void *value)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
- simple->free_value (etm, col, value, simple->data);
+ if (simple->free_value)
+ simple->free_value (etm, col, value, simple->data);
+}
+
+static void *
+simple_initialize_value (ETableModel *etm, int col)
+{
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
+
+ if (simple->initialize_value)
+ return simple->initialize_value (etm, col, simple->data);
+ else
+ return NULL;
+}
+
+static gboolean
+simple_value_is_empty (ETableModel *etm, int col, const void *value)
+{
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
+
+ if (simple->value_is_empty)
+ return simple->value_is_empty (etm, col, value, simple->data);
+ else
+ return FALSE;
}
static void
simple_thaw (ETableModel *etm)
{
- ETableSimple *simple = (ETableSimple *)etm;
+ ETableSimple *simple = E_TABLE_SIMPLE(etm);
simple->thaw (etm, simple->data);
}
@@ -91,6 +131,8 @@ e_table_simple_class_init (GtkObjectClass *object_class)
model_class->is_cell_editable = simple_is_cell_editable;
model_class->duplicate_value = simple_duplicate_value;
model_class->free_value = simple_free_value;
+ model_class->initialize_value = simple_initialize_value;
+ model_class->value_is_empty = simple_value_is_empty;
model_class->thaw = simple_thaw;
}
@@ -125,6 +167,8 @@ e_table_simple_new (ETableSimpleColumnCountFn col_count,
ETableSimpleIsCellEditableFn is_cell_editable,
ETableSimpleDuplicateValueFn duplicate_value,
ETableSimpleFreeValueFn free_value,
+ ETableSimpleInitializeValueFn initialize_value,
+ ETableSimpleValueIsEmptyFn value_is_empty,
ETableSimpleThawFn thaw,
void *data)
{
@@ -137,9 +181,11 @@ e_table_simple_new (ETableSimpleColumnCountFn col_count,
et->value_at = value_at;
et->set_value_at = set_value_at;
et->is_cell_editable = is_cell_editable;
- et->thaw = thaw;
et->duplicate_value = duplicate_value;
et->free_value = free_value;
+ et->initialize_value = initialize_value;
+ et->value_is_empty = value_is_empty;
+ et->thaw = thaw;
et->data = data;
return (ETableModel *) et;
diff --git a/widgets/table/e-table-simple.h b/widgets/table/e-table-simple.h
index 51134f45aa..ab97452f10 100644
--- a/widgets/table/e-table-simple.h
+++ b/widgets/table/e-table-simple.h
@@ -4,14 +4,22 @@
#include "e-table-model.h"
-typedef int (*ETableSimpleColumnCountFn) (ETableModel *etm, void *data);
-typedef int (*ETableSimpleRowCountFn) (ETableModel *etm, void *data);
-typedef void *(*ETableSimpleValueAtFn) (ETableModel *etm, int col, int row, void *data);
-typedef void (*ETableSimpleSetValueAtFn) (ETableModel *etm, int col, int row, const void *val, void *data);
-typedef gboolean (*ETableSimpleIsCellEditableFn) (ETableModel *etm, int col, int row, void *data);
-typedef void *(*ETableSimpleDuplicateValueFn) (ETableModel *etm, int col, const void *val, void *data);
-typedef void (*ETableSimpleFreeValueFn) (ETableModel *etm, int col, void *val, void *data);
-typedef void (*ETableSimpleThawFn) (ETableModel *etm, void *data);
+#define E_TABLE_SIMPLE_TYPE (e_table_simple_get_type ())
+#define E_TABLE_SIMPLE(o) (GTK_CHECK_CAST ((o), E_TABLE_SIMPLE_TYPE, ETableSimple))
+#define E_TABLE_SIMPLE_CLASS(k) (GTK_CHECK_CLASS_CAST((k), E_TABLE_SIMPLE_TYPE, ETableSimpleClass))
+#define E_IS_TABLE_SIMPLE(o) (GTK_CHECK_TYPE ((o), E_TABLE_SIMPLE_TYPE))
+#define E_IS_TABLE_SIMPLE_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), E_TABLE_SIMPLE_TYPE))
+
+typedef int (*ETableSimpleColumnCountFn) (ETableModel *etm, void *data);
+typedef int (*ETableSimpleRowCountFn) (ETableModel *etm, void *data);
+typedef void *(*ETableSimpleValueAtFn) (ETableModel *etm, int col, int row, void *data);
+typedef void (*ETableSimpleSetValueAtFn) (ETableModel *etm, int col, int row, const void *val, void *data);
+typedef gboolean (*ETableSimpleIsCellEditableFn) (ETableModel *etm, int col, int row, void *data);
+typedef void *(*ETableSimpleDuplicateValueFn) (ETableModel *etm, int col, const void *val, void *data);
+typedef void (*ETableSimpleFreeValueFn) (ETableModel *etm, int col, void *val, void *data);
+typedef void *(*ETableSimpleInitializeValueFn) (ETableModel *etm, int col, void *data);
+typedef gboolean (*ETableSimpleValueIsEmptyFn) (ETableModel *etm, int col, const void *val, void *data);
+typedef void (*ETableSimpleThawFn) (ETableModel *etm, void *data);
typedef struct {
ETableModel parent;
@@ -23,6 +31,8 @@ typedef struct {
ETableSimpleIsCellEditableFn is_cell_editable;
ETableSimpleDuplicateValueFn duplicate_value;
ETableSimpleFreeValueFn free_value;
+ ETableSimpleInitializeValueFn initialize_value;
+ ETableSimpleValueIsEmptyFn value_is_empty;
ETableSimpleThawFn thaw;
void *data;
} ETableSimple;
@@ -40,6 +50,8 @@ ETableModel *e_table_simple_new (ETableSimpleColumnCountFn col_count,
ETableSimpleIsCellEditableFn is_cell_editable,
ETableSimpleDuplicateValueFn duplicate_value,
ETableSimpleFreeValueFn free_value,
+ ETableSimpleInitializeValueFn initialize_value,
+ ETableSimpleValueIsEmptyFn value_is_empty,
ETableSimpleThawFn thaw,
void *data);
diff --git a/widgets/table/e-table-size-test.c b/widgets/table/e-table-size-test.c
index d12a57fbbb..058429ca64 100644
--- a/widgets/table/e-table-size-test.c
+++ b/widgets/table/e-table-size-test.c
@@ -157,6 +157,20 @@ my_free_value (ETableModel *etc, int col, void *value, void *data)
g_free (value);
}
+/* This function creates an empty value. */
+static void *
+my_initialize_value (ETableModel *etc, int col, void *data)
+{
+ return g_strdup ("");
+}
+
+/* This function reports if a value is empty. */
+static gboolean
+my_value_is_empty (ETableModel *etc, int col, const void *value, void *data)
+{
+ return !(value && *(char *)value);
+}
+
/* This function is for when the model is unfrozen. This can mostly
be ignored for simple models. */
static void
@@ -179,7 +193,9 @@ create_table (void)
e_table_model = e_table_simple_new (
my_col_count, my_row_count, my_value_at,
my_set_value_at, my_is_cell_editable,
- my_duplicate_value, my_free_value, my_thaw, NULL);
+ my_duplicate_value, my_free_value,
+ my_initialize_value, my_value_is_empty,
+ my_thaw, NULL);
/*
* Next we create a header. The ETableHeader is used in two
* different way. The first is the full_header. This is the
diff --git a/widgets/table/e-table-subset.c b/widgets/table/e-table-subset.c
index b0c5671b65..a0add3b954 100644
--- a/widgets/table/e-table-subset.c
+++ b/widgets/table/e-table-subset.c
@@ -98,6 +98,22 @@ etss_free_value (ETableModel *etm, int col, void *value)
e_table_model_free_value (etss->source, col, value);
}
+static void *
+etss_initialize_value (ETableModel *etm, int col)
+{
+ ETableSubset *etss = (ETableSubset *)etm;
+
+ return e_table_model_initialize_value (etss->source, col);
+}
+
+static gboolean
+etss_value_is_empty (ETableModel *etm, int col, const void *value)
+{
+ ETableSubset *etss = (ETableSubset *)etm;
+
+ return e_table_model_value_is_empty (etss->source, col, value);
+}
+
static void
etss_thaw (ETableModel *etm)
{
@@ -120,6 +136,8 @@ etss_class_init (GtkObjectClass *klass)
table_class->is_cell_editable = etss_is_cell_editable;
table_class->duplicate_value = etss_duplicate_value;
table_class->free_value = etss_free_value;
+ table_class->initialize_value = etss_initialize_value;
+ table_class->value_is_empty = etss_value_is_empty;
table_class->thaw = etss_thaw;
}
diff --git a/widgets/table/test-check.c b/widgets/table/test-check.c
index 3a32098245..300ebf7a7e 100644
--- a/widgets/table/test-check.c
+++ b/widgets/table/test-check.c
@@ -1,3 +1,4 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Test code for the ETable package
*
@@ -66,7 +67,7 @@ set_value_at (ETableModel *etc, int col, int row, const void *val, void *data)
g_assert (col < 2);
g_assert (row < LINES);
- if (col == 0){
+ if (col == 0) {
my_table [row].value = GPOINTER_TO_INT (val);
printf ("Value at %d,%d set to %d\n", col, row, GPOINTER_TO_INT (val));
} else {
@@ -84,19 +85,37 @@ is_cell_editable (ETableModel *etc, int col, int row, void *data)
static void *
duplicate_value (ETableModel *etc, int col, const void *value, void *data)
{
- if (col == 0){
- return (void *) value;
- } else {
- return g_strdup (value);
- }
+ if (col == 0) {
+ return (void *) value;
+ } else {
+ return g_strdup (value);
+ }
}
static void
free_value (ETableModel *etc, int col, void *value, void *data)
{
- if (col != 0){
- g_free (value);
- }
+ if (col != 0) {
+ g_free (value);
+ }
+}
+
+static void *
+initialize_value (ETableModel *etc, int col, void *data)
+{
+ if (col == 0)
+ return NULL;
+ else
+ return g_strdup ("");
+}
+
+static gboolean
+value_is_empty (ETableModel *etc, int col, const void *value, void *data)
+{
+ if (col == 0)
+ return value == NULL;
+ else
+ return !(value && *(char *)value);
}
static void
@@ -128,7 +147,9 @@ check_test (void)
e_table_model = e_table_simple_new (
col_count, row_count, value_at,
set_value_at, is_cell_editable,
- duplicate_value, free_value, thaw, NULL);
+ duplicate_value, free_value,
+ initialize_value, value_is_empty,
+ thaw, NULL);
/*
* Header
diff --git a/widgets/table/test-cols.c b/widgets/table/test-cols.c
index 6756511fb4..e34e477dae 100644
--- a/widgets/table/test-cols.c
+++ b/widgets/table/test-cols.c
@@ -1,3 +1,4 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Test code for the ETable package
*
@@ -84,19 +85,37 @@ is_cell_editable (ETableModel *etc, int col, int row, void *data)
static void *
duplicate_value (ETableModel *etc, int col, const void *value, void *data)
{
- if (col == 0){
- return (void *)value;
- } else {
- return g_strdup (value);
- }
+ if (col == 0){
+ return (void *)value;
+ } else {
+ return g_strdup (value);
+ }
}
static void
free_value (ETableModel *etc, int col, void *value, void *data)
{
- if (col != 0){
- g_free (value);
- }
+ if (col != 0){
+ g_free (value);
+ }
+}
+
+static void *
+initialize_value (ETableModel *etc, int col, void *data)
+{
+ if (col == 0)
+ return NULL;
+ else
+ return g_strdup ("");
+}
+
+static gboolean
+value_is_empty (ETableModel *etc, int col, const void *value, void *data)
+{
+ if (col == 0)
+ return value == NULL;
+ else
+ return !(value && *(char *)value);
}
static void
@@ -128,6 +147,7 @@ multi_cols_test (void)
col_count, row_count, value_at,
set_value_at, is_cell_editable,
duplicate_value, free_value,
+ initialize_value, value_is_empty,
thaw, NULL);
/*
diff --git a/widgets/table/test-table.c b/widgets/table/test-table.c
index a882b8dbdf..724090d904 100644
--- a/widgets/table/test-table.c
+++ b/widgets/table/test-table.c
@@ -190,6 +190,18 @@ free_value (ETableModel *etc, int col, void *value, void *data)
g_free (value);
}
+static void *
+initialize_value (ETableModel *etc, int col, void *data)
+{
+ return g_strdup ("");
+}
+
+static gboolean
+value_is_empty (ETableModel *etc, int col, const void *value, void *data)
+{
+ return !(value && *(char *)value);
+}
+
static void
thaw (ETableModel *etc, void *data)
{
@@ -220,7 +232,9 @@ table_browser_test (void)
e_table_model = e_table_simple_new (
col_count, row_count, value_at,
set_value_at, is_cell_editable,
- duplicate_value, free_value, thaw, NULL);
+ duplicate_value, free_value,
+ initialize_value, value_is_empty,
+ thaw, NULL);
/*
* Header
@@ -315,7 +329,8 @@ do_e_table_demo (const char *spec)
e_table_model =
e_table_simple_new (col_count, row_count, value_at,
set_value_at, is_cell_editable,
- duplicate_value, free_value,
+ duplicate_value, free_value,
+ initialize_value, value_is_empty,
thaw, NULL);
full_header = e_table_header_new ();