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eliminate the dependence on listbox essence's graph

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This commit is contained in:
Jinhao 2016-06-17 02:50:02 +08:00
parent fe76a303d8
commit ac477e7a85
1 changed files with 31 additions and 20 deletions
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51
source/gui/widgets/listbox.cpp
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@ -2898,17 +2898,14 @@ namespace nana
//grab_move
/// @brief draw when an item is grabbing.
/// @return 0 = no graphics changed, 1 = just update, 2 = refresh
int grab_move(const nana::rectangle& rect, const nana::point& pos)
/// @return true if refresh is needed, false otherwise
bool grab_move(const nana::rectangle& rect, const nana::point& pos)
{
if(item_spliter_ == npos)
{ // move column, not resize it
draw(rect); // first draw the entery header as it was
_m_make_float(rect, pos); // now draw one floating header item
//Draw the target strip
grab_terminal_.index = _m_target_strip(pos.x, rect, essence_->pointer_where.second, grab_terminal_.place_front);
return 1;
options_.grab_column = true;
options_.grab_column_position = pos;
return true;
}
else
{ // resize column, not move it
@ -2942,16 +2939,14 @@ namespace nana
#endif
essence_->adjust_scroll_life();
return 2;
return true;
}
}
return 0;
return false;
}
void draw(const nana::rectangle& r)
void draw(graph_reference graph, const nana::rectangle& r)
{
graph_reference graph = *(essence_->graph);
int text_top = (r.height - essence_->scheme_ptr->text_height) / 2 + r.y;
auto text_color = essence_->lister.wd_ptr()->fgcolor();
@ -2989,7 +2984,17 @@ namespace nana
graph.rectangle({ x, r.y, static_cast<unsigned>(r.right() - x), height }, true, essence_->scheme_ptr->header_bgcolor);
const int y = r.y + r.height - 1;
essence_->graph->line({ r.x, y }, { r.x + static_cast<int>(r.width), y }, _m_border_color());
graph.line({ r.x, y }, { r.x + static_cast<int>(r.width), y }, _m_border_color());
if (options_.grab_column)
{
_m_make_float(r, options_.grab_column_position); // now draw one floating header item
//Draw the target strip
grab_terminal_.index = _m_target_strip(options_.grab_column_position.x, r, essence_->pointer_where.second, grab_terminal_.place_front);
options_.grab_column = false;
}
}
private:
::nana::color _m_border_color() const
@ -3085,6 +3090,7 @@ namespace nana
}
private:
essence_t * essence_;
int ref_xpos_;
unsigned orig_item_width_;
size_type item_spliter_{npos};
@ -3093,7 +3099,12 @@ namespace nana
size_type index;
bool place_front;
}grab_terminal_;
essence_t * essence_;
struct options
{
bool grab_column{ false };
point grab_column_position;
}options_;
};
class drawer_lister_impl
@ -3608,7 +3619,7 @@ namespace nana
essence_->scheme_ptr->suspension_width = graph.text_extent_size("...").width;
}
void trigger::refresh(graph_reference)
void trigger::refresh(graph_reference graph)
{
if (API::is_destroying(essence_->lister.wd_ptr()->handle()))
return;
@ -3616,7 +3627,7 @@ namespace nana
nana::rectangle r;
if (essence_->header.visible() && essence_->rect_header(r))
drawer_header_->draw(r);
drawer_header_->draw(graph, r);
if (essence_->rect_lister(r))
drawer_lister_->draw(r);
_m_draw_border();
@ -3648,7 +3659,7 @@ namespace nana
nana::rectangle r;
essence_->rect_header(r);
update = drawer_header_->grab_move(r, pos);
update = (drawer_header_->grab_move(r, pos) ? 2 : 0);
}
else if(essence_->calc_where(arg.pos))
{
@ -3705,7 +3716,7 @@ namespace nana
}
}
void trigger::mouse_down(graph_reference, const arg_mouse& arg)
void trigger::mouse_down(graph_reference graph, const arg_mouse& arg)
{
using item_state = essence_t::item_state;
using parts = essence_t::parts;
@ -3717,7 +3728,7 @@ namespace nana
nana::rectangle r;
if(essence_->rect_header(r))
{
drawer_header_->draw(r);
drawer_header_->draw(graph, r);
update = true;
}
}