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Highlighted text support for textbox

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This commit is contained in:
cnjinhao 2015-01-09 06:33:23 +08:00
parent 0f24250972
commit 750c3dffd5
1 changed files with 28 additions and 19 deletions
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47
source/gui/widgets/skeletons/text_editor.cpp
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@ -2703,6 +2703,7 @@ namespace nana{ namespace widgets
void text_editor::_m_draw_parse_string(const keyword_parser& parser, bool rtl, ::nana::point pos, const ::nana::color& fgcolor, const ::nana::char_t* str, std::size_t len) const void text_editor::_m_draw_parse_string(const keyword_parser& parser, bool rtl, ::nana::point pos, const ::nana::color& fgcolor, const ::nana::char_t* str, std::size_t len) const
{ {
graph_.set_text_color(fgcolor);
graph_.string(pos, str, len); graph_.string(pos, str, len);
if (parser.entities().empty()) if (parser.entities().empty())
return; return;
@ -2827,8 +2828,10 @@ namespace nana{ namespace widgets
} }
else else
{ {
auto rtl_string = [this, line_h_pixels](point strpos, const nana::char_t* str, std::size_t len, std::size_t str_px, unsigned glyph_front, unsigned glyph_selected){ auto rtl_string = [this, line_h_pixels, &parser, &clr](point strpos, const nana::char_t* str, std::size_t len, std::size_t str_px, unsigned glyph_front, unsigned glyph_selected){
graph_.string(strpos, str, len); this->_m_draw_parse_string(parser, true, strpos, clr, str, len);
//Draw selected part
paint::graphics graph(glyph_selected, line_h_pixels); paint::graphics graph(glyph_selected, line_h_pixels);
graph.typeface(this->graph_.typeface()); graph.typeface(this->graph_.typeface());
graph.rectangle(true, scheme_->selection.get_color()); graph.rectangle(true, scheme_->selection.get_color());
@ -2852,19 +2855,18 @@ namespace nana{ namespace widgets
std::size_t pos = ent.begin - strbeg + str_pos.x; std::size_t pos = ent.begin - strbeg + str_pos.x;
const auto str_end = pos + len; const auto str_end = pos + len;
//NOT selected or Wholly seleceted //NOT selected or seleceted all
if ((str_end <= a.x || pos >= b.x) || (a.x <= pos && str_end <= b.x)) if ((str_end <= a.x || pos >= b.x) || (a.x <= pos && str_end <= b.x))
{ {
//Wholly selected //selected all
if (a.x <= pos && str_end <= b.x) if (a.x <= pos && str_end <= b.x)
{ {
graph_.rectangle({ text_pos, { str_w, line_h_pixels } }, true); graph_.rectangle({ text_pos, { str_w, line_h_pixels } }, true);
graph_.set_text_color(scheme_->selection_text.get_color()); graph_.set_text_color(scheme_->selection_text.get_color());
graph_.string(text_pos, ent.begin, len);
} }
else else
graph_.set_text_color(clr); _m_draw_parse_string(parser, false, text_pos, clr, ent.begin, len);
graph_.string(text_pos, ent.begin, len);
} }
else if (pos <= a.x && a.x < str_end) else if (pos <= a.x && a.x < str_end)
{ //Partial selected { //Partial selected
@ -2883,21 +2885,20 @@ namespace nana{ namespace widgets
} }
else else
{ //LTR { //LTR
graph_.string(text_pos, ent.begin, a.x - pos); _m_draw_parse_string(parser, false, text_pos, clr, ent.begin, a.x - pos);
auto part_pos = text_pos; auto part_pos = text_pos;
part_pos.x += static_cast<int>(head_w); part_pos.x += static_cast<int>(head_w);
//Draw selected part
graph_.rectangle({ part_pos, { sel_w, line_h_pixels } }, true); graph_.rectangle({ part_pos, { sel_w, line_h_pixels } }, true);
graph_.set_text_color(scheme_->selection_text.get_color()); graph_.set_text_color(scheme_->selection_text.get_color());
graph_.string(part_pos, ent.begin + (a.x - pos), endpos - a.x); graph_.string(part_pos, ent.begin + (a.x - pos), endpos - a.x);
if (static_cast<size_t>(endpos) < str_end) if (static_cast<size_t>(endpos) < str_end)
{ {
graph_.set_text_color(clr);
part_pos.x += static_cast<int>(sel_w); part_pos.x += static_cast<int>(sel_w);
graph_.string(part_pos, ent.begin + (endpos - pos), str_end - endpos); _m_draw_parse_string(parser, false, part_pos, clr, ent.begin + (endpos - pos), str_end - endpos);
} }
} }
} }
@ -2914,12 +2915,14 @@ namespace nana{ namespace widgets
} }
else else
{ //LTR { //LTR
//Draw selected part
graph_.rectangle({ text_pos, { sel_w, line_h_pixels } }, true); graph_.rectangle({ text_pos, { sel_w, line_h_pixels } }, true);
graph_.set_text_color(scheme_->selection_text.get_color()); graph_.set_text_color(scheme_->selection_text.get_color());
graph_.string(text_pos, ent.begin, endpos - pos); graph_.string(text_pos, ent.begin, endpos - pos);
graph_.set_text_color(clr);
graph_.string(text_pos + ::nana::point(static_cast<int>(sel_w), 0), ent.begin + (endpos - pos), str_end - endpos); //graph_.set_text_color(clr); //deprecated
//graph_.string(text_pos + ::nana::point(static_cast<int>(sel_w), 0), ent.begin + (endpos - pos), str_end - endpos);
_m_draw_parse_string(parser, false, text_pos + ::nana::point(static_cast<int>(sel_w), 0), clr, ent.begin + (endpos - pos), str_end - endpos);
} }
} }
} }
@ -2936,15 +2939,18 @@ namespace nana{ namespace widgets
{ {
graph_.set_text_color(clr); graph_.set_text_color(clr);
std::size_t pos = ent.begin - strbeg + str_pos.x; std::size_t pos = ent.begin - strbeg + str_pos.x;
if ((pos + len <= a.x) || (a.x < pos)) //Not selected or Wholly selected if ((pos + len <= a.x) || (a.x < pos)) //Not selected or selected all
{ {
if (a.x < pos) if (a.x < pos)
{ {
//Draw selected all
graph_.rectangle({ text_pos, { str_w, line_h_pixels } }, true, { 0x33, 0x99, 0xFF }); graph_.rectangle({ text_pos, { str_w, line_h_pixels } }, true, { 0x33, 0x99, 0xFF });
graph_.set_text_color(scheme_->selection_text.get_color()); graph_.set_text_color(scheme_->selection_text.get_color());
}
graph_.string(text_pos, ent.begin, len); graph_.string(text_pos, ent.begin, len);
} }
else
_m_draw_parse_string(parser, false, text_pos, clr, ent.begin, len);
}
else else
{ {
unsigned head_w = graph_.glyph_extent_size(ent.begin, len, 0, a.x - pos).width; unsigned head_w = graph_.glyph_extent_size(ent.begin, len, 0, a.x - pos).width;
@ -2958,6 +2964,7 @@ namespace nana{ namespace widgets
::nana::point part_pos{ text_pos.x + static_cast<int>(head_w), text_pos.y }; ::nana::point part_pos{ text_pos.x + static_cast<int>(head_w), text_pos.y };
//Draw selected part
graph_.rectangle({ part_pos, {str_w - head_w, line_h_pixels } }, true); graph_.rectangle({ part_pos, {str_w - head_w, line_h_pixels } }, true);
graph_.set_text_color(scheme_->selection_text.get_color()); graph_.set_text_color(scheme_->selection_text.get_color());
graph_.string(part_pos, ent.begin + a.x - pos, len - (a.x - pos)); graph_.string(part_pos, ent.begin + a.x - pos, len - (a.x - pos));
@ -2982,6 +2989,7 @@ namespace nana{ namespace widgets
graph_.set_text_color(clr); graph_.set_text_color(clr);
if (pos + len <= b.x) if (pos + len <= b.x)
{ {
//Draw selected part
graph_.rectangle({ text_pos, { str_w, line_h_pixels } }, true); graph_.rectangle({ text_pos, { str_w, line_h_pixels } }, true);
graph_.set_text_color(scheme_->selection_text.get_color()); graph_.set_text_color(scheme_->selection_text.get_color());
graph_.string(text_pos, ent.begin, len); graph_.string(text_pos, ent.begin, len);
@ -2995,15 +3003,16 @@ namespace nana{ namespace widgets
} }
else else
{ {
//draw selected part
graph_.rectangle({ text_pos, { sel_w, line_h_pixels } }, true); graph_.rectangle({ text_pos, { sel_w, line_h_pixels } }, true);
graph_.set_text_color(scheme_->selection_text.get_color()); graph_.set_text_color(scheme_->selection_text.get_color());
graph_.string(text_pos, ent.begin, b.x - pos); graph_.string(text_pos, ent.begin, b.x - pos);
graph_.set_text_color(clr);
graph_.string(text_pos + ::nana::point(static_cast<int>(sel_w), 0), ent.begin + b.x - pos, len - (b.x - pos)); _m_draw_parse_string(parser, false, text_pos + ::nana::point(static_cast<int>(sel_w), 0), clr, ent.begin + b.x - pos, len - (b.x - pos));
} }
} }
else else
graph_.string(text_pos, ent.begin, len); _m_draw_parse_string(parser, false, text_pos, clr, ent.begin, len);
} }
text_pos.x += static_cast<int>(str_w); text_pos.x += static_cast<int>(str_w);
} }