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[project @ 2004-05-06 21:18:26 by joty]

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[ Again, the same commit of 2004-05-03 ]
ro_gui_set_icon_string() :
  - anti-flicker test didn't work when string is longer than icon text
    buffer length.
  - make sure we have a NUL char terminated string when new icon text is
    longer than icon buffer.

svn path=/import/netsurf/; revision=837
This commit is contained in:
John Tytgat 2004-05-06 21:18:26 +00:00
parent 7cb9b4d79b
commit 255bf8f1ed
1 changed files with 17 additions and 11 deletions
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28
riscos/wimp.c
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@ -106,28 +106,34 @@ char *ro_gui_get_icon_string(wimp_w w, wimp_i i) {
* \param text string (copied)
*/
void ro_gui_set_icon_string(wimp_w w, wimp_i i, const char *text) {
wimp_caret caret;
wimp_caret caret;
wimp_icon_state ic;
int old_len, len;
/* Get the icon data
*/
ic.w = w;
ic.i = i;
if (xwimp_get_icon_state(&ic)) return;
if (xwimp_get_icon_state(&ic))
return;
/* Check that the existing text is not the same as the updated text
to stop flicker
*/
if (!strncmp(ic.icon.data.indirected_text.text, text,
(unsigned int)ic.icon.data.indirected_text.size)) return;
if (ic.icon.data.indirected_text.size
&& !strncmp(ic.icon.data.indirected_text.text, text,
(unsigned int)ic.icon.data.indirected_text.size - 1))
return;
/* Copy the text across
*/
old_len = strlen(ic.icon.data.indirected_text.text);
strncpy(ic.icon.data.indirected_text.text, text,
(unsigned int)ic.icon.data.indirected_text.size);
if (ic.icon.data.indirected_text.size) {
strncpy(ic.icon.data.indirected_text.text, text,
(unsigned int)ic.icon.data.indirected_text.size - 1);
ic.icon.data.indirected_text.text[ic.icon.data.indirected_text.size - 1] = '\0';
}
/* Handle the caret being in the icon
*/
if (!xwimp_get_caret_position(&caret)) {
@ -137,7 +143,7 @@ void ro_gui_set_icon_string(wimp_w w, wimp_i i, const char *text) {
xwimp_set_caret_position(w, i, caret.pos.x, caret.pos.y, -1, caret.index);
}
}
/* Redraw the icon
*/
ro_gui_redraw_icon(w, i);