a facility for prepending or replacing the cutbuffer

This commit is contained in:
Todd A. Pratt 2015-11-13 13:42:28 -05:00
commit 1199ecc62f
3 changed files with 42 additions and 30 deletions

View file

@ -534,7 +534,7 @@ char *gui_entry_get_cutbuffer(GUI_ENTRY_REC *entry)
return buf;
}
void gui_entry_erase_to(GUI_ENTRY_REC *entry, int pos, int update_cutbuffer)
void gui_entry_erase_to(GUI_ENTRY_REC *entry, int pos, CUTBUFFER_UPDATE_OP update_cutbuffer)
{
int newpos, size = 0;
@ -545,7 +545,7 @@ void gui_entry_erase_to(GUI_ENTRY_REC *entry, int pos, int update_cutbuffer)
gui_entry_erase(entry, size, update_cutbuffer);
}
void gui_entry_erase(GUI_ENTRY_REC *entry, int size, int update_cutbuffer)
void gui_entry_erase(GUI_ENTRY_REC *entry, int size, CUTBUFFER_UPDATE_OP update_cutbuffer)
{
size_t w = 0;
@ -554,32 +554,39 @@ void gui_entry_erase(GUI_ENTRY_REC *entry, int size, int update_cutbuffer)
if (size == 0 || entry->pos < size)
return;
if (update_cutbuffer) {
if (entry->cutbuffer_len && update_cutbuffer == CUTBUFFER_PREPEND) {
int cutbuffer_new_size = entry->cutbuffer_len + size;
unichar *tmpcutbuffer = entry->cutbuffer;
entry->cutbuffer = g_new(unichar, cutbuffer_new_size+1);
switch (update_cutbuffer) {
case CUTBUFFER_UPDATE_PREPEND:
if (entry->cutbuffer_len) {
int cutbuffer_new_size = entry->cutbuffer_len + size;
unichar *tmpcutbuffer = entry->cutbuffer;
entry->cutbuffer = g_new(unichar, cutbuffer_new_size+1);
memcpy(entry->cutbuffer, entry->text + entry->pos - size,
size * sizeof(unichar));
memcpy(entry->cutbuffer + size, tmpcutbuffer,
memcpy(entry->cutbuffer, entry->text + entry->pos - size,
size * sizeof(unichar));
memcpy(entry->cutbuffer + size, tmpcutbuffer,
entry->cutbuffer_len * sizeof(unichar));
entry->cutbuffer_len = cutbuffer_new_size;
entry->cutbuffer[cutbuffer_new_size] = '\0';
entry->cutbuffer_len * sizeof(unichar));
entry->cutbuffer_len = cutbuffer_new_size;
entry->cutbuffer[cutbuffer_new_size] = '\0';
g_free(tmpcutbuffer);
} else if (update_cutbuffer) {
g_free(tmpcutbuffer);
break;
}
/* fall through to REPLACE if cutbuffer_len was 0 */
case CUTBUFFER_UPDATE_REPLACE:
/* put erased text to cutbuffer */
if (entry->cutbuffer_len < size) {
g_free(entry->cutbuffer);
entry->cutbuffer = g_new(unichar, size+1);
}
entry->cutbuffer_len = size;
entry->cutbuffer[size] = '\0';
memcpy(entry->cutbuffer, entry->text + entry->pos - size,
size * sizeof(unichar));
}
size * sizeof(unichar));
break;
case CUTBUFFER_UPDATE_NOOP:
break;
}
if (entry->utf8)
@ -616,7 +623,7 @@ void gui_entry_erase_cell(GUI_ENTRY_REC *entry)
gui_entry_draw(entry);
}
void gui_entry_erase_word(GUI_ENTRY_REC *entry, int to_space, int repeat)
void gui_entry_erase_word(GUI_ENTRY_REC *entry, int to_space, CUTBUFFER_UPDATE_OP cutbuffer_op)
{
int to;
@ -639,8 +646,6 @@ void gui_entry_erase_word(GUI_ENTRY_REC *entry, int to_space, int repeat)
}
if (to > 0) to++;
gui_entry_erase(entry, entry->pos-to,
repeat ? CUTBUFFER_PREPEND : TRUE);
}
void gui_entry_erase_next_word(GUI_ENTRY_REC *entry, int to_space)
@ -666,7 +671,7 @@ void gui_entry_erase_next_word(GUI_ENTRY_REC *entry, int to_space)
size = to-entry->pos;
entry->pos = to;
gui_entry_erase(entry, size, TRUE);
gui_entry_erase(entry, size, CUTBUFFER_UPDATE_REPLACE);
}
void gui_entry_transpose_chars(GUI_ENTRY_REC *entry)