}
}
-void BC_TextBox::set_selection(int char1, int char2, int ibeam)
+void BC_TextBox::wset_selection(int char1, int char2, int ibeam)
{
highlight_letter1 = char1;
highlight_letter2 = char2;
draw(1);
}
+// count utf8 chars in text which occur before cp
+int BC_TextBox::wcpos(const char *text, const char *cp)
+{
+ int len = 0;
+ const unsigned char *bp = (const unsigned char *)text;
+ const unsigned char *ep = (const unsigned char *)cp;
+ while( bp < ep && *bp != 0 ) {
+ ++len;
+ int ch = *bp++;
+ if( ch < 0x80 ) continue;
+ int i = ch - 0x0c0;
+ int n = i<0? 0 : i<32? 1 : i<48? 2 : i<56? 3 : i<60? 4 : 5;
+ for( i=n; bp < ep && --i>=0 && (*bp&0xc0) == 0x80; ++bp );
+ }
+ return len;
+}
+
+void BC_TextBox::set_selection(int char1, int char2, int ibeam)
+{
+ const char *cp = get_text();
+ wset_selection(wcpos(cp, cp+char1), wcpos(cp, cp+char2), wcpos(cp, cp+ibeam));
+}
+
int BC_TextBox::update(const char *text)
{
//printf("BC_TextBox::update 1 %d %s %s\n", tstrcmp(text), text, this->text);
first_visible_row = 1;
got_visible_row = 1;
}
-
- if( (k+text_height >= get_h() - bottom_margin ||
- (row_end >= wtext_len && k < get_h() - bottom_margin &&
+
+ if( (k+text_height >= get_h() - bottom_margin ||
+ (row_end >= wtext_len && k < get_h() - bottom_margin &&
k + text_height > 0)) )
last_visible_row = 1;
// Cursor is inside vertical range of row
- if((cursor_y >= top_margin &&
- cursor_y < get_h() - bottom_margin &&
+ if((cursor_y >= top_margin &&
+ cursor_y < get_h() - bottom_margin &&
cursor_y >= k && cursor_y < k + text_height) ||
// Cursor is above 1st row
(cursor_y < k + text_height && first_visible_row) ||
if((column2 + column1) / 2 >= cursor_x) {
result = j - 1;
done = 1;
-// printf("BC_TextBox::get_cursor_letter %d %d %d %d\n",
+// printf("BC_TextBox::get_cursor_letter %d %d %d %d\n",
// __LINE__, result, first_visible_row, last_visible_row);
}
column1 = column2;
}
-// printf("BC_TextBox::get_cursor_letter %d cursor_y=%d k=%d h=%d %d %d\n",
+// printf("BC_TextBox::get_cursor_letter %d cursor_y=%d k=%d h=%d %d %d\n",
// __LINE__, cursor_y, k, get_h(), first_visible_row, last_visible_row);
if(result < 0) result = 0;
if(result > wtext_len) {
}
}
if(wtext[i] == '\n') i++;
-
+
if(i >= wtext_len && !done) {
result = wtext_len;
}
void BC_TextBox::select_word(int &letter1, int &letter2, int ibeam_letter)
{
int wtext_len = wtext_update();
- if(!wtext_len) return;
-
letter1 = letter2 = ibeam_letter;
- do {
- if(iswalnum(wtext[letter1])) letter1--;
- } while(letter1 > 0 && iswalnum(wtext[letter1]));
-
- if( !iswalnum(wtext[letter1]) ) letter1++;
-
- do {
- if( iswalnum(wtext[letter2]) ) letter2++;
- } while( letter2 < wtext_len && isalnum(wtext[letter2]) );
-
- if( letter2 < wtext_len && wtext[letter2] == ' ') letter2++;
-
- if(letter1 < 0) letter1 = 0;
- if(letter2 < 0) letter2 = 0;
- if(letter1 > wtext_len) letter1 = wtext_len;
- if(letter2 > wtext_len) letter2 = wtext_len;
+ if( letter1 < 0 ) letter1 = 0;
+ if( letter2 < 0 ) letter2 = 0;
+ if( letter1 > wtext_len ) letter1 = wtext_len;
+ if( letter2 > wtext_len ) letter2 = wtext_len;
+ if( !wtext_len ) return;
+ for( int i=letter1; i>=0 && iswalnum(wtext[i]); --i ) letter1 = i;
+ for( int i=letter2; i<wtext_len && iswalnum(wtext[i]); ) letter2 = ++i;
+ if( letter2 < wtext_len && wtext[letter2] == ' ' ) ++letter2;
}
+
void BC_TextBox::select_line(int &letter1, int &letter2, int ibeam_letter)
{
int wtext_len = wtext_update();
- if(!wtext_len) return;
-
letter1 = letter2 = ibeam_letter;
-
-// Rewind to previous linefeed
- do {
- if( wtext[letter1] != '\n' ) letter1--;
- } while( letter1 > 0 && wtext[letter1] != '\n' );
- if( wtext[letter1] == '\n' ) letter1++;
-
-// Advance to next linefeed
- do {
- if( wtext[letter2] != '\n' ) letter2++;
- } while( letter2 < wtext_len && wtext[letter2] != '\n' );
- if( letter2 < wtext_len && wtext[letter2] == '\n') letter2++;
-
- if(letter1 < 0) letter1 = 0;
- if(letter2 < 0) letter2 = 0;
- if(letter1 > wtext_len) letter1 = wtext_len;
- if(letter2 > wtext_len) letter2 = wtext_len;
+ if( letter1 < 0 ) letter1 = 0;
+ if( letter2 < 0 ) letter2 = 0;
+ if( letter1 > wtext_len ) letter1 = wtext_len;
+ if( letter2 > wtext_len ) letter2 = wtext_len;
+ if( !wtext_len ) return;
+ for( int i=letter1; i>=0 && wtext[i]!='\n'; --i ) letter1 = i;
+ for( int i=letter2; i<wtext_len && wtext[i]!='\n'; ) letter2 = ++i;
}
void BC_TextBox::copy_selection(int clipboard_num)
highlight_letter1 < 0 || highlight_letter2 < 0 ||
highlight_letter2 - highlight_letter1 <= 0) return;
int clip_len = highlight_letter2 - highlight_letter1;
- char ctext[clip_len+1];
//printf(" BC_TextBox::copy_selection %d %d %d\n",highlight_letter1, highlight_letter2, clip_len);
- text_update(&wtext[highlight_letter1],clip_len, ctext,clip_len+1);
+ char ctext[4*clip_len+4];
+ clip_len = text_update(&wtext[highlight_letter1],clip_len, ctext,4*clip_len+4);
get_clipboard()->to_clipboard(ctext, clip_len, clipboard_num);
}
int len = get_clipboard()->clipboard_len(clipboard_num);
if( len > 0 )
{
- char cstring[len]; wchar_t wstring[len]; --len;
- get_clipboard()->from_clipboard(cstring, len, clipboard_num);
+ char cstring[len]; wchar_t wstring[len];
+ get_clipboard()->from_clipboard(cstring, len, clipboard_num); --len;
//printf("BC_TextBox::paste_selection %d '%*.*s'\n",len,len,len,cstring);
- BC_Resources::encode(BC_Resources::encoding, BC_Resources::wide_encoding,
- cstring,(len+1), (char *)wstring,(len+1)*sizeof(wchar_t));
+ len = BC_Resources::encode(BC_Resources::encoding, BC_Resources::wide_encoding,
+ cstring,len, (char *)wstring,(len+1)*sizeof(wchar_t)) / sizeof(wchar_t);
insert_text(wstring, len);
}
}
//printf("BC_TextBoxSuggestions::handle_event %d\n", __LINE__);
- text_box->highlight_letter1 =
- text_box->highlight_letter2 =
+ text_box->highlight_letter1 =
+ text_box->highlight_letter2 =
text_box->ibeam_letter = text_box->tstrlen();
text_box->wtext_update();
text_box->draw(1);
}
-
-
-
-
-
-
BC_ScrollTextBox::BC_ScrollTextBox(BC_WindowBase *parent_window,
int x, int y, int w, int rows,
const char *default_text, int default_size)
this->text->set_selection(char1, char2, ibeam);
}
+void BC_ScrollTextBox::wset_selection(int char1, int char2, int ibeam)
+{
+ this->text->wset_selection(char1, char2, ibeam);
+}
+
+int BC_ScrollTextBox::get_ibeam_letter()
+{
+ return this->text->get_ibeam_letter();
+}
+
projects / goodguy / history.git / blobdiff