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-rw-r--r--widgets/text/e-text.c246
1 files changed, 125 insertions, 121 deletions
diff --git a/widgets/text/e-text.c b/widgets/text/e-text.c
index 30e6452ed0..dc28886c15 100644
--- a/widgets/text/e-text.c
+++ b/widgets/text/e-text.c
@@ -46,13 +46,11 @@ static guint e_text_signals[E_TEXT_LAST_SIGNAL] = { 0 };
/* This defines a line of text */
struct line {
char *text; /* Line's text, it is a pointer into the text->text string */
- int length; /* Line's length in characters */
+ int length; /* Line's length IN BYTES */
int width; /* Line's width in pixels */
int ellipsis_length; /* Length before adding ellipsis */
};
-
-
/* Object argument IDs */
enum {
ARG_0,
@@ -466,7 +464,7 @@ get_bounds_item_relative (EText *text, double *px1, double *py1, double *px2, do
old_height = text->height;
if (text->text && text->font)
- text->height = (e_font_ascent (text->font) + e_font_descent (text->font)) * text->num_lines;
+ text->height = (e_font_height (text->font)) * text->num_lines;
else
text->height = 0;
@@ -660,7 +658,7 @@ calc_height (EText *text)
split_into_lines (text);
if (text->text && text->font)
- text->height = (e_font_ascent (text->font) + e_font_descent (text->font)) * text->num_lines;
+ text->height = e_font_height (text->font) * text->num_lines;
else
text->height = 0;
@@ -675,7 +673,7 @@ calc_ellipsis (EText *text)
text->ellipsis_width =
e_font_utf8_text_width (text->font, E_FONT_PLAIN,
text->ellipsis ? text->ellipsis : "...",
- text->ellipsis ? unicode_strlen (text->ellipsis, -1) : 3);
+ text->ellipsis ? strlen (text->ellipsis) : 3);
}
/* Calculates the line widths (in pixels) of the text's splitted lines */
@@ -770,7 +768,6 @@ split_into_lines (EText *text)
char *linestart;
double clip_width;
unicode_char_t unival;
- gint charpos;
/* Free old array of lines */
e_text_free_lines(text);
@@ -792,14 +789,11 @@ split_into_lines (EText *text)
}
cp = text->text;
- charpos = 0;
- for (p = unicode_get_utf8 (cp, &unival); (unival && p); charpos++, cp = p, p = unicode_get_utf8 (p, &unival)) {
+ for (p = unicode_get_utf8 (cp, &unival); (unival && p); cp = p, p = unicode_get_utf8 (p, &unival)) {
if (text->line_wrap && (unicode_isspace (unival) || unival == '\n')) {
if (laststart != lastend
- && e_font_utf8_text_width(text->font, E_FONT_PLAIN,
- linestart,
- unicode_index_to_offset (linestart, cp - linestart))
+ && e_font_utf8_text_width(text->font, E_FONT_PLAIN, linestart, cp - linestart)
> clip_width ) {
text->num_lines ++;
linestart = laststart;
@@ -810,11 +804,9 @@ split_into_lines (EText *text)
lastend = cp;
}
} else if (text->line_wrap && (IS_BREAKCHAR(text, unival))) {
- if ( laststart != lastend
- && unicode_index_to_offset (linestart, cp - linestart) != 1
- && e_font_utf8_text_width(text->font, E_FONT_PLAIN,
- linestart,
- unicode_index_to_offset (linestart, p - linestart))
+ if (laststart != lastend
+ && unicode_index_to_offset (linestart, cp - linestart) != 1
+ && e_font_utf8_text_width(text->font, E_FONT_PLAIN, linestart, p - linestart)
> clip_width ) {
text->num_lines ++;
linestart = laststart;
@@ -837,9 +829,7 @@ split_into_lines (EText *text)
if (text->line_wrap) {
if ( p
&& laststart != lastend
- && e_font_utf8_text_width(text->font, E_FONT_PLAIN,
- linestart,
- unicode_index_to_offset (linestart, cp - linestart))
+ && e_font_utf8_text_width(text->font, E_FONT_PLAIN, linestart, cp - linestart)
> clip_width ) {
text->num_lines ++;
}
@@ -865,15 +855,13 @@ split_into_lines (EText *text)
if (len == 0)
lines->text = cp;
if (text->line_wrap && (unicode_isspace (unival) || unival == '\n')) {
- if (e_font_utf8_text_width(text->font, E_FONT_PLAIN,
- lines->text,
- unicode_index_to_offset (lines->text, cp - lines->text))
+ if (e_font_utf8_text_width (text->font, E_FONT_PLAIN, lines->text, cp - lines->text)
> clip_width
&& laststart != lastend) {
- lines->length = unicode_index_to_offset (lines->text, lastend - lines->text);
+ lines->length = lastend - lines->text;
lines++;
line_num++;
- len = unicode_index_to_offset (laststart, cp - laststart);
+ len = cp - laststart;
lines->text = laststart;
laststart = p;
lastend = cp;
@@ -886,14 +874,12 @@ split_into_lines (EText *text)
} else if (text->line_wrap && (IS_BREAKCHAR(text, unival))) {
if (laststart != lastend
&& unicode_index_to_offset (lines->text, cp - lines->text) != 1
- && e_font_utf8_text_width(text->font, E_FONT_PLAIN,
- lines->text,
- unicode_index_to_offset (lines->text, p - lines->text))
+ && e_font_utf8_text_width (text->font, E_FONT_PLAIN, lines->text, p - lines->text)
> clip_width ) {
- lines->length = unicode_index_to_offset (lines->text, lastend - lines->text);
+ lines->length = lastend - lines->text;
lines++;
line_num++;
- len = unicode_index_to_offset (laststart, p - laststart);
+ len = p - laststart;
lines->text = laststart;
laststart = p;
lastend = p;
@@ -906,7 +892,7 @@ split_into_lines (EText *text)
if (line_num >= text->num_lines)
break;
if (unival == '\n') {
- lines->length = unicode_index_to_offset (lines->text, cp - lines->text);
+ lines->length = cp - lines->text;
lines++;
line_num++;
len = 0;
@@ -919,15 +905,13 @@ split_into_lines (EText *text)
}
if ( line_num < text->num_lines && text->line_wrap ) {
- if (e_font_utf8_text_width(text->font, E_FONT_PLAIN,
- lines->text,
- unicode_index_to_offset (lines->text, cp - lines->text))
+ if (e_font_utf8_text_width(text->font, E_FONT_PLAIN, lines->text, cp - lines->text)
> clip_width
&& laststart != lastend ) {
- lines->length = unicode_index_to_offset (lines->text, lastend - lines->text);
+ lines->length = lastend - lines->text;
lines++;
line_num++;
- len = unicode_index_to_offset (laststart, cp - laststart);
+ len = cp - laststart;
lines->text = laststart;
laststart = p;
lastend = cp;
@@ -936,7 +920,7 @@ split_into_lines (EText *text)
if (len == 0)
lines->text = cp;
- lines->length = unicode_strlen (lines->text, -1);
+ lines->length = strlen (lines->text);
}
/* Convenience function to set the text's GC's foreground color */
@@ -1440,7 +1424,7 @@ e_text_reflow (GnomeCanvasItem *item, int flags)
return;
for (lines = text->lines, i = 0; i < text->num_lines ; i++, lines ++) {
- if (unicode_index_to_offset (text->text, lines->text - text->text) > text->selection_end) {
+ if ((lines->text - text->text) > text->selection_end) {
break;
}
}
@@ -1448,7 +1432,7 @@ e_text_reflow (GnomeCanvasItem *item, int flags)
i--;
x = e_font_utf8_text_width(text->font, E_FONT_PLAIN,
lines->text,
- text->selection_end - unicode_index_to_offset (text->text, lines->text - text->text));
+ text->selection_end - (lines->text - text->text));
if (x < text->xofs_edit) {
@@ -1466,12 +1450,12 @@ e_text_reflow (GnomeCanvasItem *item, int flags)
text->xofs_edit = 2 + x - clip_width;
}
- if ((e_font_ascent (text->font) + e_font_descent (text->font)) * i < text->yofs_edit)
- text->yofs_edit = (e_font_ascent (text->font) + e_font_descent (text->font)) * i;
+ if (e_font_height (text->font) * i < text->yofs_edit)
+ text->yofs_edit = e_font_height (text->font) * i;
- if ((e_font_ascent (text->font) + e_font_descent (text->font)) * (i + 1) -
- (text->clip_height != -1 ? text->clip_height : text->height) > text->yofs_edit)
- text->yofs_edit = (e_font_ascent (text->font) + e_font_descent (text->font)) * (i + 1) -
+ if (e_font_height (text->font) * (i + 1) -
+ (text->clip_height != -1 ? text->clip_height : text->height) > text->yofs_edit)
+ text->yofs_edit = e_font_height (text->font) * (i + 1) -
(text->clip_height != -1 ? text->clip_height : text->height);
}
if ( text->needs_calc_height ) {
@@ -1778,7 +1762,7 @@ e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
xpos = get_line_xpos (text, lines);
if (text->editing) {
xpos -= text->xofs_edit;
- start_char = unicode_index_to_offset (text->text, lines->text - text->text);
+ start_char = lines->text - text->text;
end_char = start_char + lines->length;
sel_start = text->selection_start;
sel_end = text->selection_end;
@@ -1797,9 +1781,9 @@ e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
sel_start - start_char);
sel_rect.y = ypos - y - e_font_ascent (text->font);
sel_rect.width = e_font_utf8_text_width (text->font, E_FONT_PLAIN,
- lines->text + unicode_offset_to_index (lines->text, sel_start - start_char),
+ lines->text + sel_start - start_char,
sel_end - sel_start);
- sel_rect.height = e_font_ascent (text->font) + e_font_descent (text->font);
+ sel_rect.height = e_font_height (text->font);
gtk_paint_flat_box(GTK_WIDGET(item->canvas)->style,
drawable,
text->has_selection ?
@@ -1827,7 +1811,7 @@ e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
lines->text,
sel_start - start_char),
ypos - y,
- lines->text + unicode_offset_to_index (lines->text, sel_start - start_char),
+ lines->text + sel_start - start_char,
sel_end - sel_start);
e_font_draw_utf8_text (drawable,
text->font, E_FONT_PLAIN,
@@ -1836,7 +1820,7 @@ e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
lines->text,
sel_end - start_char),
ypos - y,
- lines->text + unicode_offset_to_index (lines->text, sel_end - start_char),
+ lines->text + sel_end - start_char,
end_char - sel_end);
} else {
e_font_draw_utf8_text (drawable,
@@ -1859,7 +1843,7 @@ e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
sel_start - start_char),
ypos - y - e_font_ascent (text->font),
1,
- e_font_ascent (text->font) + e_font_descent (text->font));
+ e_font_height (text->font));
}
} else {
if (text->clip && text->use_ellipsis && lines->ellipsis_length < lines->length) {
@@ -1876,7 +1860,7 @@ e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
xpos - x + lines->width - text->ellipsis_width,
ypos - y,
text->ellipsis ? text->ellipsis : "...",
- text->ellipsis ? unicode_strlen (text->ellipsis, -1) : 3);
+ text->ellipsis ? strlen (text->ellipsis) : 3);
} else
e_font_draw_utf8_text (drawable,
text->font, E_FONT_PLAIN,
@@ -1887,7 +1871,7 @@ e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
lines->length);
}
- ypos += e_font_ascent (text->font) + e_font_descent (text->font);
+ ypos += e_font_height (text->font);
lines++;
}
@@ -1997,7 +1981,7 @@ e_text_point (GnomeCanvasItem *item, double x, double y,
*/
if (text->font)
- font_height = e_font_ascent (text->font) + e_font_descent (text->font);
+ font_height = e_font_height (text->font);
else
font_height = 0;
@@ -2183,7 +2167,7 @@ _get_xy_from_position (EText *text, gint position, gint *xp, gint *yp)
x += e_font_utf8_text_width (text->font, E_FONT_PLAIN,
lines->text,
- position - unicode_index_to_offset (text->text, lines->text - text->text));
+ position - (lines->text - text->text));
x -= text->xofs_edit;
xd = x; yd = y;
@@ -2242,14 +2226,15 @@ _get_position_from_xy (EText *text, gint x, gint y)
for (i = 0, p = lines->text; i < lines->length; i++, p = unicode_get_utf8 (p, &unival)) {
int charwidth;
- charwidth = e_font_utf8_text_width (text->font, E_FONT_PLAIN, p, 1);
+ charwidth = e_font_utf8_char_width (text->font, E_FONT_PLAIN, p);
+
xpos += charwidth / 2;
if (xpos > x) {
break;
}
xpos += (charwidth + 1) / 2;
}
- return unicode_index_to_offset (text->text, p - text->text);
+ return p - text->text;
}
#define SCROLL_WAIT_TIME 30000
@@ -2790,7 +2775,6 @@ e_text_event (GnomeCanvasItem *item, GdkEvent *event)
static int
_get_position(EText *text, ETextEventProcessorCommand *command)
{
- int i;
int length;
int x, y;
unicode_char_t unival;
@@ -2810,64 +2794,76 @@ _get_position(EText *text, ETextEventProcessorCommand *command)
return unicode_strlen (text->text, -1);
case E_TEP_START_OF_LINE:
- for (i = text->selection_end - 2; i > 0; i--) {
- p = text->text + unicode_offset_to_index (text->text, i);
- unicode_get_utf8 (p, &unival);
- if (unival == '\n') {
- i++;
- break;
- }
+
+ if (text->selection_end < 1) return 0;
+ p = unicode_previous_utf8 (text->text, text->text + text->selection_end);
+ if (p == text->text) return 0;
+ p = unicode_previous_utf8 (text->text, p);
+
+ while (p && p > text->text) {
+ if (*p == '\n') return p - text->text + 1;
+ p = unicode_previous_utf8 (text->text, p);
}
- return i;
+
+ return 0;
+
case E_TEP_END_OF_LINE:
- length = unicode_strlen(text->text, -1);
- for (i = text->selection_end + 1; i < length; i++) {
- p = text->text + unicode_offset_to_index (text->text, i);
- unicode_get_utf8 (p, &unival);
- if (unival == '\n') {
- break;
- }
+ length = strlen(text->text);
+ if (text->selection_end >= length) return length;
+
+ p = unicode_next_utf8 (text->text + text->selection_end);
+
+ while (*p) {
+ if (*p == '\n') return p - text->text;
+ p = unicode_next_utf8 (p);
}
- if (i > length)
- i = length;
- return i;
+
+ return p - text->text;
case E_TEP_FORWARD_CHARACTER:
- length = unicode_strlen (text->text, -1);
- i = text->selection_end + 1;
- if (i > length)
- i = length;
- return i;
+ length = strlen (text->text);
+ if (text->selection_end >= length) return length;
+
+ p = unicode_next_utf8 (text->text + text->selection_end);
+
+ return p - text->text;
+
case E_TEP_BACKWARD_CHARACTER:
- i = text->selection_end - 1;
- if (i < 0)
- i = 0;
- return i;
+ if (text->selection_end < 1) return 0;
+ p = unicode_previous_utf8 (text->text, text->text + text->selection_end);
+
+ if (p == NULL) return 0;
+
+ return p - text->text;
case E_TEP_FORWARD_WORD:
- length = unicode_strlen (text->text, -1);
- for (i = text->selection_end + 1; i < length; i++) {
- p = text->text + unicode_offset_to_index (text->text, i);
+ length = strlen (text->text);
+ if (text->selection_end >= length) return length;
+
+ p = unicode_next_utf8 (text->text + text->selection_end);
+
+ while (*p) {
unicode_get_utf8 (p, &unival);
- if (unicode_isspace (unival)) {
- break;
- }
+ if (unicode_isspace (unival)) return p - text->text;
+ p = unicode_next_utf8 (p);
}
- if (i > length)
- i = length;
- return i;
+
+ return p - text->text;
+
case E_TEP_BACKWARD_WORD:
- for (i = text->selection_end - 2; i > 0; i--) {
- p = text->text + unicode_offset_to_index (text->text, i);
+
+ if (text->selection_end < 1) return 0;
+ p = unicode_previous_utf8 (text->text, text->text + text->selection_end);
+ if (p == text->text) return 0;
+ p = unicode_previous_utf8 (text->text, p);
+
+ while (p && p > text->text) {
unicode_get_utf8 (p, &unival);
- if (unicode_isspace (unival)) {
- i++;
- break;
- }
+ if (unicode_isspace (unival)) return (unicode_next_utf8 (p) - text->text);
+ p = unicode_previous_utf8 (text->text, p);
}
- if (i < 0)
- i = 0;
- return i;
+
+ return 0;
case E_TEP_FORWARD_LINE:
_get_xy_from_position(text, text->selection_end, &x, &y);
@@ -2879,34 +2875,42 @@ _get_position(EText *text, ETextEventProcessorCommand *command)
return _get_position_from_xy(text, x, y);
case E_TEP_SELECT_WORD:
- for (i = text->selection_end - 2; i > 0; i--) {
- p = text->text + unicode_offset_to_index (text->text, i);
+
+ if (text->selection_end < 1) return 0;
+ p = unicode_previous_utf8 (text->text, text->text + text->selection_end);
+ if (p == text->text) return 0;
+ p = unicode_previous_utf8 (text->text, p);
+
+ while (p && p > text->text) {
unicode_get_utf8 (p, &unival);
if (unicode_isspace (unival)) {
- i++;
+ p = unicode_next_utf8 (p);
break;
}
+ p = unicode_previous_utf8 (text->text, p);
}
- if (i < 0)
+
+ if (!p)
text->selection_start = 0;
else
- text->selection_start = i;
+ text->selection_start = p - text->text;
- length = unicode_strlen (text->text, -1);
- for (i = text->selection_end + 1; i < length; i++) {
- p = text->text + unicode_offset_to_index (text->text, i);
+ length = strlen (text->text);
+ if (text->selection_end >= length) return length;
+
+ p = unicode_next_utf8 (text->text + text->selection_end);
+
+ while (*p) {
unicode_get_utf8 (p, &unival);
- if (unicode_isspace (unival)) {
- break;
- }
+ if (unicode_isspace (unival)) return p - text->text;
+ p = unicode_next_utf8 (p);
}
- if (i > length)
- i = length;
- return i;
+
+ return p - text->text;
case E_TEP_SELECT_ALL:
text->selection_start = 0;
- length = unicode_strlen (text->text, -1);
+ length = strlen (text->text);
return length;
case E_TEP_FORWARD_PARAGRAPH:
@@ -2962,7 +2966,7 @@ e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gp
sel_end = MAX(text->selection_start, text->selection_end);
if (sel_start != sel_end) {
e_text_supply_selection (text, command->time, GDK_SELECTION_PRIMARY,
- text->text + unicode_offset_to_index (text->text, sel_start), sel_end - sel_start);
+ text->text + sel_start, sel_end - sel_start);
} else if (text->timer) {
g_timer_reset(text->timer);
}
@@ -2991,7 +2995,7 @@ e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gp
sel_end = MAX(text->selection_start, text->selection_end);
if (sel_start != sel_end) {
e_text_supply_selection (text, command->time, clipboard_atom,
- text->text + unicode_offset_to_index (text->text, sel_start), sel_end - sel_start);
+ text->text + sel_start, sel_end - sel_start);
}
if (text->timer) {
g_timer_reset(text->timer);
@@ -3037,7 +3041,7 @@ e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gp
return;
for (lines = text->lines, i = 0; i < text->num_lines ; i++, lines ++) {
- if (unicode_index_to_offset (text->text, lines->text - text->text) > text->selection_end) {
+ if ((lines->text - text->text) > text->selection_end) {
break;
}
}
@@ -3045,7 +3049,7 @@ e_text_command(ETextEventProcessor *tep, ETextEventProcessorCommand *command, gp
i --;
x = e_font_utf8_text_width(text->font, E_FONT_PLAIN,
lines->text,
- text->selection_end - unicode_index_to_offset (text->text, lines->text - text->text));
+ text->selection_end - (lines->text - text->text));
if (x < text->xofs_edit) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 08:38:53 +0800