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Double-click word selection for RichTextLabel (i.e. docs)

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This commit is contained in:
Bernhard Liebl 2017-12-23 09:59:54 +01:00
parent 32d8b99bc3
commit b80bc553dd
5 changed files with 76 additions and 39 deletions
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34
core/ustring.cpp
View file

@ -56,6 +56,40 @@
#define IS_DIGIT(m_d) ((m_d) >= '0' && (m_d) <= '9')
#define IS_HEX_DIGIT(m_d) (((m_d) >= '0' && (m_d) <= '9') || ((m_d) >= 'a' && (m_d) <= 'f') || ((m_d) >= 'A' && (m_d) <= 'F'))
bool is_symbol(CharType c) {
return c != '_' && ((c >= '!' && c <= '/') || (c >= ':' && c <= '@') || (c >= '[' && c <= '`') || (c >= '{' && c <= '~') || c == '\t' || c == ' ');
}
bool select_word(const String &p_s, int p_col, int &r_beg, int &r_end) {
const String &s = p_s;
int beg = CLAMP(p_col, 0, s.length());
int end = beg;
if (s[beg] > 32 || beg == s.length()) {
bool symbol = beg < s.length() && is_symbol(s[beg]);
while (beg > 0 && s[beg - 1] > 32 && (symbol == is_symbol(s[beg - 1]))) {
beg--;
}
while (end < s.length() && s[end + 1] > 32 && (symbol == is_symbol(s[end + 1]))) {
end++;
}
if (end < s.length())
end += 1;
r_beg = beg;
r_end = end;
return true;
} else {
return false;
}
}
/** STRING **/
bool CharString::operator<(const CharString &p_right) const {

3
core/ustring.h
View file

@ -295,4 +295,7 @@ String TTR(const String &);
//tool or regular translate
String RTR(const String &);
bool is_symbol(CharType c);
bool select_word(const String &p_s, int p_col, int &r_beg, int &r_end);
#endif

2
editor/editor_help.cpp
View file

@ -630,7 +630,7 @@ void EditorHelp::_class_desc_input(const Ref<InputEvent> &p_input) {
Ref<InputEventMouseButton> mb = p_input;
if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == 1) {
if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == 1 && !mb->is_doubleclick()) {
class_desc->set_selection_enabled(false);
class_desc->set_selection_enabled(true);
}

28
scene/gui/rich_text_label.cpp
View file

@ -815,7 +815,35 @@ void RichTextLabel::_gui_input(Ref<InputEvent> p_event) {
}
}
}
} else if (b->is_pressed() && b->is_doubleclick() && selection.enabled) {
//doubleclick: select word
int line = 0;
Item *item = NULL;
bool outside;
_find_click(main, b->get_position(), &item, &line, &outside);
while (item && item->type != ITEM_TEXT) {
item = _get_next_item(item, true);
}
if (item && item->type == ITEM_TEXT) {
String itext = static_cast<ItemText *>(item)->text;
int beg, end;
if (select_word(itext, line, beg, end)) {
selection.from = item;
selection.to = item;
selection.from_char = beg;
selection.to_char = end - 1;
selection.active = true;
update();
}
}
} else if (!b->is_pressed()) {
selection.click = NULL;

48
scene/gui/text_edit.cpp
View file

@ -42,16 +42,16 @@
#define TAB_PIXELS
inline bool _is_symbol(CharType c) {
return is_symbol(c);
}
static bool _is_text_char(CharType c) {
return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_';
}
static bool _is_symbol(CharType c) {
return c != '_' && ((c >= '!' && c <= '/') || (c >= ':' && c <= '@') || (c >= '[' && c <= '`') || (c >= '{' && c <= '~') || c == '\t' || c == ' ');
}
static bool _is_whitespace(CharType c) {
return c == '\t' || c == ' ';
}
@ -1962,7 +1962,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
} else if (mb->is_doubleclick() && text[cursor.line].length()) {
//doubleclick select world
//doubleclick select word
selection.selecting_mode = Selection::MODE_WORD;
_update_selection_mode_word();
last_dblclk = OS::get_singleton()->get_ticks_msec();
@ -5181,12 +5181,8 @@ String TextEdit::get_word_at_pos(const Vector2 &p_pos) const {
String s = text[row];
if (s.length() == 0)
return "";
int beg = CLAMP(col, 0, s.length());
int end = beg;
if (s[beg] > 32 || beg == s.length()) {
bool symbol = beg < s.length() && _is_symbol(s[beg]); //not sure if right but most editors behave like this
int beg, end;
if (select_word(s, col, beg, end)) {
bool inside_quotes = false;
int qbegin = 0, qend = 0;
@ -5205,16 +5201,6 @@ String TextEdit::get_word_at_pos(const Vector2 &p_pos) const {
}
}
while (beg > 0 && s[beg - 1] > 32 && (symbol == _is_symbol(s[beg - 1]))) {
beg--;
}
while (end < s.length() && s[end + 1] > 32 && (symbol == _is_symbol(s[end + 1]))) {
end++;
}
if (end < s.length())
end += 1;
return s.substr(beg, end - beg);
}
@ -5231,22 +5217,8 @@ String TextEdit::get_tooltip(const Point2 &p_pos) const {
String s = text[row];
if (s.length() == 0)
return Control::get_tooltip(p_pos);
int beg = CLAMP(col, 0, s.length());
int end = beg;
if (s[beg] > 32 || beg == s.length()) {
bool symbol = beg < s.length() && _is_symbol(s[beg]); //not sure if right but most editors behave like this
while (beg > 0 && s[beg - 1] > 32 && (symbol == _is_symbol(s[beg - 1]))) {
beg--;
}
while (end < s.length() && s[end + 1] > 32 && (symbol == _is_symbol(s[end + 1]))) {
end++;
}
if (end < s.length())
end += 1;
int beg, end;
if (select_word(s, col, beg, end)) {
String tt = tooltip_obj->call(tooltip_func, s.substr(beg, end - beg), tooltip_ud);