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-rw-r--r--widgets/text/e-text-model.c144
1 files changed, 56 insertions, 88 deletions
diff --git a/widgets/text/e-text-model.c b/widgets/text/e-text-model.c
index 0233f14aa7..d995d81396 100644
--- a/widgets/text/e-text-model.c
+++ b/widgets/text/e-text-model.c
@@ -32,8 +32,6 @@
#include "e-text-model.h"
#include "gal/util/e-util.h"
-#define MAX_LENGTH (2047)
-
enum {
E_TEXT_MODEL_CHANGED,
E_TEXT_MODEL_REPOSITION,
@@ -45,8 +43,7 @@ enum {
static guint e_text_model_signals[E_TEXT_MODEL_LAST_SIGNAL] = { 0 };
struct _ETextModelPrivate {
- gchar *text;
- gint len;
+ GString *text;
};
static void e_text_model_class_init (ETextModelClass *class);
@@ -157,8 +154,7 @@ static void
e_text_model_init (ETextModel *model)
{
model->priv = g_new0 (struct _ETextModelPrivate, 1);
- model->priv->text = g_strdup ("");
- model->priv->len = 0;
+ model->priv->text = g_string_new ("");
}
/* Dispose handler for the text item */
@@ -173,7 +169,7 @@ e_text_model_dispose (GObject *object)
model = E_TEXT_MODEL (object);
if (model->priv) {
- g_free (model->priv->text);
+ g_string_free (model->priv->text, TRUE);
g_free (model->priv);
model->priv = NULL;
@@ -186,11 +182,11 @@ e_text_model_dispose (GObject *object)
static gint
e_text_model_real_validate_position (ETextModel *model, gint pos)
{
- gint len;
+ gint len = e_text_model_get_text_length (model);
if (pos < 0)
pos = 0;
- else if (pos > ( len = e_text_model_get_text_length (model) ))
+ else if (pos > len)
pos = len;
return pos;
@@ -200,7 +196,7 @@ static const gchar *
e_text_model_real_get_text (ETextModel *model)
{
if (model->priv->text)
- return model->priv->text;
+ return model->priv->text->str;
else
return "";
}
@@ -208,10 +204,7 @@ e_text_model_real_get_text (ETextModel *model)
static gint
e_text_model_real_get_text_length (ETextModel *model)
{
- if (model->priv->len < 0)
- model->priv->len = strlen (e_text_model_get_text (model));
-
- return model->priv->len;
+ return g_utf8_strlen (model->priv->text->str, -1);
}
static void
@@ -221,18 +214,13 @@ e_text_model_real_set_text (ETextModel *model, const gchar *text)
gboolean changed = FALSE;
if (text == NULL) {
+ changed = (*model->priv->text->str != '\0');
- changed = (model->priv->text != NULL);
-
- g_free (model->priv->text);
- model->priv->text = NULL;
- model->priv->len = -1;
+ g_string_set_size (model->priv->text, 0);
- } else if (model->priv->text == NULL || strcmp (model->priv->text, text)) {
+ } else if (*model->priv->text->str == '\0' || strcmp (model->priv->text->str, text)) {
- g_free (model->priv->text);
- model->priv->text = g_strndup (text, MAX_LENGTH);
- model->priv->len = -1;
+ g_string_assign (model->priv->text, text);
changed = TRUE;
}
@@ -248,41 +236,7 @@ e_text_model_real_set_text (ETextModel *model, const gchar *text)
static void
e_text_model_real_insert (ETextModel *model, gint position, const gchar *text)
{
- EReposInsertShift repos;
- gchar *new_text;
- gint length;
-
- if (model->priv->len < 0)
- e_text_model_real_get_text_length (model);
- length = strlen(text);
-
- if (length + model->priv->len > MAX_LENGTH)
- length = MAX_LENGTH - model->priv->len;
- if (length <= 0)
- return;
-
- /* Can't use g_strdup_printf here because on some systems
- printf ("%.*s"); is locale dependent. */
- new_text = e_strdup_append_strings (model->priv->text, position,
- text, length,
- model->priv->text + position, -1,
- NULL);
-
- if (model->priv->text)
- g_free (model->priv->text);
-
- model->priv->text = new_text;
-
- if (model->priv->len >= 0)
- model->priv->len += length;
-
- e_text_model_changed (model);
-
- repos.model = model;
- repos.pos = position;
- repos.len = length;
-
- e_text_model_reposition (model, e_repos_insert_shift, &repos);
+ e_text_model_insert_length (model, position, text, strlen (text));
}
static void
@@ -290,34 +244,31 @@ e_text_model_real_insert_length (ETextModel *model, gint position, const gchar *
{
EReposInsertShift repos;
gchar *new_text;
+ int model_len = e_text_model_real_get_text_length (model);
+ char *offs;
+ const char *p;
+ int byte_length, l;
- if (model->priv->len < 0)
- e_text_model_real_get_text_length (model);
-
- if (length + model->priv->len > MAX_LENGTH)
- length = MAX_LENGTH - model->priv->len;
- if (length <= 0)
+ if (position > model_len)
return;
- /* Can't use g_strdup_printf here because on some systems
- printf ("%.*s"); is locale dependent. */
- new_text = e_strdup_append_strings (model->priv->text, position,
- text, length,
- model->priv->text + position, -1,
- NULL);
+ offs = g_utf8_offset_to_pointer (model->priv->text->str, position);
- if (model->priv->text)
- g_free (model->priv->text);
- model->priv->text = new_text;
+ for (p = text, l = 0;
+ l < length;
+ p = g_utf8_next_char (p), l ++) ;
- if (model->priv->len >= 0)
- model->priv->len += length;
+ byte_length = p - text;
+
+ g_string_insert_len (model->priv->text,
+ offs - model->priv->text->str,
+ text, byte_length);
e_text_model_changed (model);
repos.model = model;
- repos.pos = position;
- repos.len = length;
+ repos.pos = position;
+ repos.len = length;
e_text_model_reposition (model, e_repos_insert_shift, &repos);
}
@@ -326,11 +277,21 @@ static void
e_text_model_real_delete (ETextModel *model, gint position, gint length)
{
EReposDeleteShift repos;
-
- memmove (model->priv->text + position, model->priv->text + position + length, strlen (model->priv->text + position + length) + 1);
-
- if (model->priv->len >= 0)
- model->priv->len -= length;
+ int byte_position, byte_length;
+ char *offs, *p;
+ int l;
+
+ offs = g_utf8_offset_to_pointer (model->priv->text->str, position);
+ byte_position = offs - model->priv->text->str;
+
+ for (p = offs, l = 0;
+ l < length;
+ p = g_utf8_next_char (p), l ++) ;
+
+ byte_length = p - offs;
+
+ g_string_erase (model->priv->text,
+ byte_position, byte_length);
e_text_model_changed (model);
@@ -415,7 +376,7 @@ e_text_model_get_text_length (ETextModel *model)
#ifdef PARANOID_DEBUGGING
const gchar *str = e_text_model_get_text (model);
- gint len2 = str ? strlen (str) : 0;
+ gint len2 = str ? g_utf8_strlen (str, -1) : 0;
if (len != len)
g_error ("\"%s\" length reported as %d, not %d.", str, len, len2);
#endif
@@ -425,7 +386,7 @@ e_text_model_get_text_length (ETextModel *model)
} else {
/* Calculate length the old-fashioned way... */
const gchar *str = e_text_model_get_text (model);
- return str ? strlen (str) : 0;
+ return str ? g_utf8_strlen (str, -1) : 0;
}
}
@@ -548,8 +509,15 @@ e_text_model_strdup_nth_object (ETextModel *model, gint n)
g_return_val_if_fail (E_IS_TEXT_MODEL (model), NULL);
obj = e_text_model_get_nth_object (model, n, &len);
-
- return obj ? g_strndup (obj, n) : NULL;
+
+ if (obj) {
+ gint byte_len;
+ byte_len = g_utf8_offset_to_pointer (obj, len) - obj;
+ return g_strndup (obj, byte_len);
+ }
+ else {
+ return NULL;
+ }
}
void
@@ -567,9 +535,9 @@ e_text_model_get_nth_object_bounds (ETextModel *model, gint n, gint *start, gint
g_return_if_fail (obj != NULL);
if (start)
- *start = obj - txt;
+ *start = g_utf8_pointer_to_offset (txt, obj);
if (end)
- *end = obj - txt + len;
+ *end = *start + len;
}
gint
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 08:43:56 +0800