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add selection of text by using shift+mouse click

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This commit is contained in:
Jinhao
2015-11-02 00:33:22 +08:00
parent 8da183cfab
commit 9fd1a594cb
6 changed files with 73 additions and 70 deletions
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103
source/gui/widgets/skeletons/text_editor.cpp
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@@ -1646,30 +1646,6 @@ namespace nana{ namespace widgets
return true;
}
bool text_editor::mouse_down(::nana::mouse button, const point& scrpos)
{
if (!hit_text_area(scrpos))
return false;
if(::nana::mouse::left_button == button)
{
API::capture_window(window_, true);
text_area_.captured = true;
//Set caret pos by screen point and get the caret pos.
mouse_caret(scrpos);
if(!select(false))
{
select_.a = points_.caret; //Set begin caret
set_end_caret();
}
select_.mode_selection = selection::mode_mouse_selected;
}
text_area_.border_renderer(graph_, _m_bgcolor());
return true;
}
bool text_editor::mouse_move(bool left_button, const point& scrpos)
{
cursor cur = cursor::iterm;
@@ -1694,31 +1670,70 @@ namespace nana{ namespace widgets
return false;
}
bool text_editor::mouse_up(::nana::mouse button, const point& scrpos)
bool text_editor::mouse_pressed(const arg_mouse& arg)
{
auto is_prev_no_selected = (select_.mode_selection == selection::mode_no_selected);
if(select_.mode_selection == selection::mode_mouse_selected)
if (event_code::mouse_down == arg.evt_code)
{
select_.mode_selection = selection::mode_no_selected;
set_end_caret();
if (!hit_text_area(arg.pos))
return false;
if (::nana::mouse::left_button == arg.button)
{
API::capture_window(window_, true);
text_area_.captured = true;
//Set caret pos by screen point and get the caret pos.
mouse_caret(arg.pos);
if (arg.shift)
{
if (points_.shift_begin_caret != points_.caret)
{
select_.a = points_.shift_begin_caret;
select_.b = points_.caret;
}
}
else
{
if (!select(false))
{
select_.a = points_.caret; //Set begin caret
set_end_caret();
}
points_.shift_begin_caret = points_.caret;
}
select_.mode_selection = selection::mode_mouse_selected;
}
text_area_.border_renderer(graph_, _m_bgcolor());
return true;
}
else if (is_prev_no_selected)
else if (event_code::mouse_up == arg.evt_code)
{
if((!select_.dragged) || (!move_select()))
select(false);
auto is_prev_no_selected = (select_.mode_selection == selection::mode_no_selected);
if (select_.mode_selection == selection::mode_mouse_selected)
{
select_.mode_selection = selection::mode_no_selected;
set_end_caret();
}
else if (is_prev_no_selected)
{
if ((!select_.dragged) || (!move_select()))
select(false);
}
select_.dragged = false;
API::capture_window(window_, false);
text_area_.captured = false;
if (hit_text_area(arg.pos) == false)
API::window_cursor(window_, nana::cursor::arrow);
text_area_.border_renderer(graph_, _m_bgcolor());
//Redraw if is_prev_no_selected is true
return is_prev_no_selected;
}
select_.dragged = false;
API::capture_window(window_, false);
text_area_.captured = false;
if (hit_text_area(scrpos) == false)
API::window_cursor(window_, nana::cursor::arrow);
text_area_.border_renderer(graph_, _m_bgcolor());
//Redraw if is_prev_no_selected is true
return is_prev_no_selected;
return false;
}
textbase<nana::char_t> & text_editor::textbase()