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Added some APIs to the widget class

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This commit is contained in:
cnjinhao
2014-12-21 11:15:39 +08:00
parent e5aeb8420f
commit f62ad0aa9f
9 changed files with 120 additions and 86 deletions
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148
source/gui/widgets/skeletons/text_editor.cpp
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@@ -1059,15 +1059,14 @@ namespace nana{ namespace widgets
secondary_pos.y = 0;
unsigned len = 0;
auto & mtr = linemtr_[charpos.y];
for (auto & ts : mtr.line_sections)
for (auto & ts : linemtr_[charpos.y].line_sections)
{
len = static_cast<unsigned>(ts.end - ts.begin);
if (len >= secondary_pos.x)
return true;
++secondary_pos.y;
secondary_pos.x -= static_cast<unsigned>(len);
secondary_pos.x -= len;
}
--secondary_pos.y;
secondary_pos.x = len;
@@ -1476,12 +1475,11 @@ namespace nana{ namespace widgets
bool text_editor::getline(std::size_t pos, nana::string& text) const
{
if(pos < textbase_.lines())
{
text = textbase_.getline(pos);
return true;
}
return false;
if (textbase_.lines() <= pos)
return false;
text = textbase_.getline(pos);
return true;
}
void text_editor::text(nana::string str)
@@ -1634,12 +1632,11 @@ namespace nana{ namespace widgets
bool text_editor::mask(nana::char_t ch)
{
if(mask_char_ != ch)
{
mask_char_ = ch;
return true;
}
return false;
if (mask_char_ == ch)
return false;
mask_char_ = ch;
return true;
}
unsigned text_editor::width_pixels() const
@@ -2264,7 +2261,6 @@ namespace nana{ namespace widgets
if(a.y != b.y)
{
textbase_.erase(a.y, a.x, nana::string::npos);
textbase_.erase(a.y + 1, b.y - a.y - 1);
textbase_.erase(a.y + 1, 0, b.x);
@@ -2420,7 +2416,7 @@ namespace nana{ namespace widgets
if(static_cast<int>(width) - points_.offset.x >= _m_endx())
{ //Out of screen text area
points_.offset.x = width - _m_endx() + 1;
string_type::size_type rest_size = lnstr.size() - points_.caret.x;
auto rest_size = lnstr.size() - points_.caret.x;
points_.offset.x += static_cast<int>(_m_text_extent_size(lnstr.c_str() + points_.caret.x, (rest_size >= static_cast<unsigned>(many) ? static_cast<unsigned>(many) : rest_size)).width);
return true;
}
@@ -2506,14 +2502,14 @@ namespace nana{ namespace widgets
void text_editor::_m_draw_string(int top, const ::nana::expr_color& clr, const nana::upoint& str_pos, const nana::string& linestr, bool if_mask) const
{
int x = text_area_.area.x - points_.offset.x;
int xend = text_area_.area.x + static_cast<int>(text_area_.area.width);
::nana::point text_pos{ text_area_.area.x - points_.offset.x, top };
const int xend = text_area_.area.x + static_cast<int>(text_area_.area.width);
if (if_mask && mask_char_)
{
nana::string maskstr;
maskstr.append(linestr.size(), mask_char_);
graph_.string({ x, top }, maskstr, clr);
graph_.string(text_pos, maskstr, clr);
return;
}
@@ -2539,20 +2535,20 @@ namespace nana{ namespace widgets
std::size_t len = ent.end - ent.begin;
unsigned str_w = graph_.text_extent_size(ent.begin, len).width;
if ((x + static_cast<int>(str_w) > text_area_.area.x) && (x < xend))
if ((text_pos.x + static_cast<int>(str_w) > text_area_.area.x) && (text_pos.x < xend))
{
if (selected)
{
graph_.set_text_color(colors::white);
graph_.rectangle({ x, top, str_w, line_h_pixels }, true);
graph_.rectangle({ text_pos, { str_w, line_h_pixels } }, true);
}
graph_.string({x, top}, ent.begin, len);
graph_.string(text_pos, ent.begin, len);
}
x += static_cast<int>(str_w);
text_pos.x += static_cast<int>(str_w);
}
if (selected)
graph_.rectangle({ x, top, whitespace_w, line_h_pixels }, true);
graph_.rectangle({ text_pos, { whitespace_w, line_h_pixels } }, true);
}
else
{
@@ -2576,22 +2572,22 @@ namespace nana{ namespace widgets
{
std::size_t len = ent.end - ent.begin;
unsigned str_w = graph_.text_extent_size(ent.begin, len).width;
if ((x + static_cast<int>(str_w) > text_area_.area.x) && (x < xend))
if ((text_pos.x + static_cast<int>(str_w) > text_area_.area.x) && (text_pos.x < xend))
{
std::size_t pos = ent.begin - strbeg + str_pos.x;
if (pos + len <= a.x || pos >= b.x)
if ((pos + len <= a.x || pos >= b.x) || (a.x <= pos && pos + len <= b.x))
{
//NOT selected
graph_.set_text_color(clr);
graph_.string({ x, top }, ent.begin, len);
}
else if (a.x <= pos && pos + len <= b.x)
{
//Whole selected
graph_.rectangle({ x, top, str_w, line_h_pixels }, true);
graph_.set_text_color(colors::white);
graph_.string({x, top}, ent.begin, len);
//NOT selected or Wholly seleceted
if (a.x <= pos)
{
graph_.rectangle({ text_pos, { str_w, line_h_pixels } }, true);
graph_.set_text_color(colors::white);
}
else
graph_.set_text_color(clr);
graph_.string(text_pos, ent.begin, len);
}
else if (pos <= a.x && a.x < pos + len)
{ //Partial selected
@@ -2606,19 +2602,25 @@ namespace nana{ namespace widgets
graph_.set_text_color(clr);
if (_m_is_right_text(ent))
{ //RTL
rtl_string(point{x, top}, ent.begin, len, str_w, head_w, sel_w);
rtl_string(text_pos, ent.begin, len, str_w, head_w, sel_w);
}
else
{ //LTR
graph_.string({ x, top }, ent.begin, a.x - pos);
graph_.string(text_pos, ent.begin, a.x - pos);
graph_.rectangle({x + static_cast<int>(head_w), top, sel_w, line_h_pixels}, true);
auto part_pos = text_pos;
part_pos.x += static_cast<int>(head_w);
graph_.rectangle({ part_pos, { sel_w, line_h_pixels } }, true);
graph_.set_text_color(colors::white);
graph_.string({ x + static_cast<int>(head_w), top }, 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) < pos + len)
graph_.string({x + static_cast<int>(head_w + sel_w), top}, ent.begin + (endpos - pos), pos + len - endpos);
{
part_pos.x += static_cast<int>(sel_w);
graph_.string(part_pos, ent.begin + (endpos - pos), pos + len - endpos);
}
}
}
}
@@ -2630,20 +2632,20 @@ namespace nana{ namespace widgets
if (_m_is_right_text(ent))
{ //RTL
graph_.set_text_color(clr);
rtl_string({x, top}, ent.begin, len, str_w, 0, sel_w);
rtl_string(text_pos, ent.begin, len, str_w, 0, sel_w);
}
else
{ //LTR
graph_.rectangle({ x, top, sel_w, line_h_pixels }, true);
graph_.rectangle({ text_pos, { sel_w, line_h_pixels } }, true);
graph_.set_text_color(colors::white);
graph_.string({ x, top }, ent.begin, endpos - pos);
graph_.string(text_pos, ent.begin, endpos - pos);
graph_.set_text_color(clr);
graph_.string({x + static_cast<int>(sel_w), top}, ent.begin + (endpos - pos), pos + len - endpos);
graph_.string(text_pos + ::nana::point(static_cast<int>(sel_w), 0), ent.begin + (endpos - pos), pos + len - endpos);
}
}
}
x += static_cast<int>(str_w);
text_pos.x += static_cast<int>(str_w);
}
}
else if (a.y == str_pos.y)
@@ -2652,43 +2654,43 @@ namespace nana{ namespace widgets
{
std::size_t len = ent.end - ent.begin;
unsigned str_w = graph_.text_extent_size(ent.begin, len).width;
if ((x + static_cast<int>(str_w) > text_area_.area.x) && (x < xend))
if ((text_pos.x + static_cast<int>(str_w) > text_area_.area.x) && (text_pos.x < xend))
{
graph_.set_text_color(clr);
std::size_t pos = ent.begin - strbeg + str_pos.x;
if (pos + len <= a.x)
if ((pos + len <= a.x) || (a.x < pos)) //Not selected or Wholly selected
{
//Not selected
graph_.string({x, top}, ent.begin, len);
}
else if (a.x < pos)
{
//Whole selected
graph_.rectangle({ x, top, str_w, line_h_pixels }, true, { 0x33, 0x99, 0xFF });
graph_.set_text_color(colors::white);
graph_.string({x, top}, ent.begin, len);
if (a.x < pos)
{
graph_.rectangle({ text_pos, { str_w, line_h_pixels } }, true, { 0x33, 0x99, 0xFF });
graph_.set_text_color(colors::white);
}
graph_.string(text_pos, ent.begin, len);
}
else
{
unsigned head_w = graph_.glyph_extent_size(ent.begin, len, 0, a.x - pos).width;
if (_m_is_right_text(ent))
{ //RTL
rtl_string(point{x, top}, ent.begin, len, str_w, head_w, str_w - head_w);
rtl_string(text_pos, ent.begin, len, str_w, head_w, str_w - head_w);
}
else
{ //LTR
graph_.string({ x, top }, ent.begin, a.x - pos);
graph_.rectangle({ x + static_cast<int>(head_w), top, str_w - head_w, line_h_pixels }, true);
graph_.string(text_pos, ent.begin, a.x - pos);
::nana::point part_pos{ text_pos.x + static_cast<int>(head_w), text_pos.y };
graph_.rectangle({ part_pos, {str_w - head_w, line_h_pixels } }, true);
graph_.set_text_color(colors::white);
graph_.string({ x + static_cast<int>(head_w), top }, ent.begin + a.x - pos, len - (a.x - pos));
graph_.string(part_pos, ent.begin + a.x - pos, len - (a.x - pos));
}
}
}
x += static_cast<int>(str_w);
text_pos.x += static_cast<int>(str_w);
}
if (a.y <= static_cast<unsigned>(str_pos.y) && static_cast<unsigned>(str_pos.y) < b.y)
graph_.rectangle({ x, top, whitespace_w, line_h_pixels }, true);
graph_.rectangle({ text_pos, { whitespace_w, line_h_pixels } }, true);
}
else if (b.y == str_pos.y)
{
@@ -2696,37 +2698,37 @@ namespace nana{ namespace widgets
{
std::size_t len = ent.end - ent.begin;
unsigned str_w = graph_.text_extent_size(ent.begin, len).width;
if ((x + static_cast<int>(str_w) > text_area_.area.x) && (x < xend))
if ((text_pos.x + static_cast<int>(str_w) > text_area_.area.x) && (text_pos.x < xend))
{
std::size_t pos = ent.begin - strbeg + str_pos.x;
graph_.set_text_color(clr);
if (pos + len <= b.x)
{
graph_.rectangle({ x, top, str_w, line_h_pixels }, true);
graph_.rectangle({ text_pos, { str_w, line_h_pixels } }, true);
graph_.set_text_color(colors::white);
graph_.string({ x, top }, ent.begin, len);
graph_.string(text_pos, ent.begin, len);
}
else if (pos <= b.x && b.x < pos + len)
{
unsigned sel_w = graph_.glyph_extent_size(ent.begin, len, 0, b.x - pos).width;
if (_m_is_right_text(ent))
{ //RTL
rtl_string(point{ x, top }, ent.begin, len, str_w, 0, sel_w);
rtl_string(text_pos, ent.begin, len, str_w, 0, sel_w);
}
else
{
graph_.rectangle({ x, top, sel_w, line_h_pixels }, true);
graph_.rectangle({ text_pos, { sel_w, line_h_pixels } }, true);
graph_.set_text_color(colors::white);
graph_.string({ x, top }, ent.begin, b.x - pos);
graph_.string(text_pos, ent.begin, b.x - pos);
graph_.set_text_color(clr);
graph_.string({ x + static_cast<int>(sel_w), top }, ent.begin + b.x - pos, len - (b.x - pos));
graph_.string(text_pos + ::nana::point(static_cast<int>(sel_w), 0), ent.begin + b.x - pos, len - (b.x - pos));
}
}
else
graph_.string({x, top}, ent.begin, len);
graph_.string(text_pos, ent.begin, len);
}
x += static_cast<int>(str_w);
text_pos.x += static_cast<int>(str_w);
}
}
}