add selection of text by using shift+mouse click

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

View File

@ -250,9 +250,8 @@ namespace nana{ namespace widgets
point caret_screen_pos() const;
bool scroll(bool upwards, bool vertical);
bool mouse_enter(bool);
bool mouse_down(::nana::mouse, const point& screen_pos);
bool mouse_move(bool left_button, const point& screen_pos);
bool mouse_up(::nana::mouse, const point& screen_pos);
bool mouse_pressed(const arg_mouse& arg);
skeletons::textbase<nana::char_t>& textbase();
const skeletons::textbase<nana::char_t>& textbase() const;
@ -365,6 +364,7 @@ namespace nana{ namespace widgets
{
nana::point offset; //x stands for pixels, y for lines
nana::upoint caret; //position of caret by text, it specifies the position of a new character
nana::upoint shift_begin_caret;
unsigned xpos{0}; //This data is used for move up/down
}points_;
};

View File

@ -622,7 +622,7 @@ namespace nana
if(drawer_->widget_ptr()->enabled())
{
auto * editor = drawer_->editor();
if(false == editor->mouse_down(arg.button, arg.pos))
if (!editor->mouse_pressed(arg))
drawer_->open_lister_if_push_button_positioned();
drawer_->draw();
@ -637,7 +637,7 @@ namespace nana
{
if (drawer_->widget_ptr()->enabled() && !drawer_->has_lister())
{
drawer_->editor()->mouse_up(arg.button, arg.pos);
drawer_->editor()->mouse_pressed(arg);
drawer_->set_button_state(element_state::hovered, false);
drawer_->draw();
API::lazy_refresh();

View File

@ -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()

View File

@ -367,17 +367,13 @@ namespace nana
return true;
}
bool refreshed = false;
if (pressed)
refreshed = editor_->mouse_down(arg.button, arg.pos);
else
refreshed = editor_->mouse_up(arg.button, arg.pos);
if (refreshed)
if (editor_->mouse_pressed(arg))
{
_m_draw_spins(buttons::none);
return true;
}
return refreshed;
return false;
}
bool mouse_move(bool left_button, const ::nana::point& pos)

View File

@ -111,8 +111,11 @@ namespace drawerbase {
void drawer::mouse_down(graph_reference, const arg_mouse& arg)
{
if(editor_->mouse_down(arg.button, arg.pos))
if (editor_->mouse_pressed(arg))
{
editor_->render(true);
API::lazy_refresh();
}
}
void drawer::mouse_move(graph_reference, const arg_mouse& arg)
@ -123,7 +126,7 @@ namespace drawerbase {
void drawer::mouse_up(graph_reference graph, const arg_mouse& arg)
{
if(editor_->mouse_up(arg.button, arg.pos))
if(editor_->mouse_pressed(arg))
API::lazy_refresh();
}

View File

@ -161,17 +161,6 @@ namespace paint
image::image_impl_interface::~image_impl_interface()
{}
/*
namespace detail
{
int toupper(int c) //deprecated
{
return (('a' <= c && c <= 'z') ?
c - ('a' - 'A')
: c);
}
}//end namespace detail
//*/
//class image
image::image()