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new vfit/hfit for place

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added fit-content support for button/picture/combox/label
This commit is contained in:
Jinhao 2017-03-15 23:39:39 +08:00
parent f43d54d7e2
commit f0dc62cc21
7 changed files with 340 additions and 188 deletions
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4
include/nana/gui/widgets/combox.hpp
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@ -1,7 +1,7 @@
/**
* A Combox Implementation
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
* Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
@ -68,7 +68,7 @@ namespace nana
void key_press(graph_reference, const arg_keyboard&) override;
void key_char(graph_reference, const arg_keyboard&) override;
private:
drawer_impl * drawer_;
drawer_impl * const drawer_;
};
class item_proxy

2
include/nana/gui/widgets/picture.hpp
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@ -1,7 +1,7 @@
/**
* A Picture Implementation
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2015 Jinhao(cnjinhao@hotmail.com)
* Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at

98
source/gui/place.cpp
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@ -56,7 +56,7 @@ namespace nana
enum class token
{
div_start, div_end, splitter,
identifier, dock, fit, fit_s, vert, grid, number, array, reparray,
identifier, dock, fit, hfit, vfit, vert, grid, number, array, reparray,
weight, gap, margin, arrange, variable, repeated, min_px, max_px, left, right, top, bottom, undisplayed, invisible,
collapse, parameters,
equal,
@ -249,17 +249,22 @@ namespace nana
return token::dock;
else if ("fit" == idstr_)
return token::fit;
else if ("fit_s" == idstr_)
return token::fit_s;
else if ("vertical" == idstr_ || "vert" == idstr_)
return token::vert;
else if ("variable" == idstr_ || "repeated" == idstr_)
return ('v' == idstr_[0] ? token::variable : token::repeated);
else if ("arrange" == idstr_ || "gap" == idstr_)
else if ("arrange" == idstr_ || "hfit" == idstr_ || "vfit" == idstr_ || "gap" == idstr_)
{
auto ch = idstr_[0];
_m_attr_reparray();
return ('a' == ch ? token::arrange : token::gap);
switch (ch)
{
case 'a': return token::arrange;
case 'h': return token::hfit;
case 'v': return token::vfit;
case 'g': return token::gap;
default: break;
}
}
else if ("grid" == idstr_ || "margin" == idstr_)
{
@ -722,7 +727,8 @@ namespace nana
{
none, //Doesn't fit the content
both, //Fits both width and height of content
single //Fits only width or height of content
horz, //Fits width of content with a specified height
vert //Fits height of content with a specified width
};
class place::implement::division
@ -767,6 +773,7 @@ namespace nana
std::pair<double, double> calc_weight_floor()
{
std::pair<double, double> floor;
run_.fit_extents.clear();
run_.weight_floor = floor;
@ -789,8 +796,9 @@ namespace nana
}
}
auto const vert = (this->div_owner && (this->div_owner->kind_of_division == kind::vertical_arrange));
double& fv = (vert ? floor.second : floor.first);
auto const vert_fields = (kind::vertical_arrange == this->kind_of_division);
auto const vert_div = (this->div_owner && (kind::vertical_arrange == this->div_owner->kind_of_division));
double& fv = (vert_div ? floor.second : floor.first);
if((ratio > 0.001) && (fv > 0))
fv /= ratio;
@ -804,34 +812,49 @@ namespace nana
{
if (fit_policy::none != this->fit)
{
unsigned limited_px = 0;
bool limit_width = false;
std::size_t fit_count = 0;
unsigned max_value = 0;
auto const fit_horz = (fit_policy::vert == this->fit);
std::size_t pos = 0;
for (auto & elm : this->field->elements)
{
auto extent = API::content_extent(elm.handle, 0, false);
++pos;
unsigned edge_px = 0;
if (fit_policy::both != this->fit)
{
auto fit_val = this->fit_parameters.at(pos - 1);
if (fit_val.empty())
continue;
edge_px = fit_val.integer();
}
auto extent = API::content_extent(elm.handle, edge_px, fit_horz);
if (extent)
{
run_.fit_extents[elm.handle] = extent->second;
++fit_count;
if (vert)
if (vert_fields)
floor.second += extent->second.height;
else
floor.first += extent->second.width;
max_value = (std::max)(max_value, (vert ? extent->second.width : extent->second.height));
max_value = (std::max)(max_value, (vert_fields ? extent->second.width : extent->second.height));
}
}
if (max_value)
{
if (vert)
if (vert_fields)
floor.first = max_value;
else
floor.second = max_value;
}
if (fit_count > 1)
{
double percent = 0;
@ -1005,6 +1028,7 @@ namespace nana
bool display{ true };
bool visible{ true };
fit_policy fit{ fit_policy::none };
repeated_array fit_parameters; //it is ignored when fit is not fit_policy::horz or fit_policy::vert
::nana::direction dir{::nana::direction::west};
std::string name;
std::vector<std::unique_ptr<division>> children;
@ -1022,6 +1046,7 @@ namespace nana
struct run_data
{
std::pair<double, double> weight_floor;
std::map<window, ::nana::size> fit_extents;
}run_;
};//end class division
@ -1069,6 +1094,7 @@ namespace nana
child_px = adjustable_px;
child_px = limit_px(child, child_px, area_px);
auto npx = static_cast<unsigned>(child_px);
precise_px = child_px - npx;
child_px = npx;
@ -1109,9 +1135,23 @@ namespace nana
unsigned px = 0;
auto move_r = element_r.result();
if (fit_policy::both == this->fit)
if (fit_policy::none != this->fit)
{
auto extent = API::content_extent(el.handle, 0, false);
auto i = run_.fit_extents.find(el.handle);
if (run_.fit_extents.end() != i)
{
move_r.dimension(i->second);
if (vert)
move_r.x += place_parts::differ(area_margined.width, move_r.width) / 2;
else
move_r.y += place_parts::differ(area_margined.height, move_r.height) / 2;
px = (vert ? move_r.height : move_r.width);
moved = true;
}
/*
auto extent = API::content_extent(el.handle, 0, false); //deprecated
if (extent)
{
move_r.dimension(extent->second);
@ -1124,6 +1164,7 @@ namespace nana
px = (vert ? move_r.height : move_r.width);
moved = true;
}
*/
}
if (!moved)
@ -1178,12 +1219,26 @@ namespace nana
std::pair<unsigned, std::size_t> result;
if (field && (kind_of_division == match_kind))
{
auto const vert = (kind_of_division == kind::vertical_arrange);
//Calculate fixed and adjustable of elements
double precise_px = 0;
auto count = field->elements.size();
for (decltype(count) i = 0; i < count; ++i)
{
auto fa = _m_calc_fa(arrange_.at(i), area_px, precise_px);
//The fit-content element is like a fixed element
if (fit_policy::none != this->fit)
{
auto fi = this->run_.fit_extents.find(field->elements[i].handle);
if (this->run_.fit_extents.cend() != fi)
{
fa.first = (vert ? fi->second.height : fi->second.width);
fa.second = 0; //This isn't an adjustable element
}
}
result.first += fa.first;
result.second += fa.second;
@ -2515,6 +2570,7 @@ namespace nana
std::unique_ptr<division> div;
token div_type = token::eof;
auto fit = fit_policy::none;
place_parts::repeated_array fit_parameters;
//These variables stand for the new division's attributes
std::string name;
@ -2542,8 +2598,10 @@ namespace nana
case token::fit:
fit = fit_policy::both;
break;
case token::fit_s:
fit = fit_policy::single;
case token::hfit:
case token::vfit:
fit = (token::hfit == tk ? fit_policy::horz : fit_policy::vert);
fit_parameters = tknizer.reparray();
break;
case token::splitter:
//Ignore the splitter when there is not a division.
@ -2809,6 +2867,8 @@ namespace nana
div->display = !undisplayed;
div->visible = !(undisplayed || invisible);
div->fit = fit;
div->fit_parameters = std::move(fit_parameters);
return div;
}

4
source/gui/widgets/button.cpp
View File

@ -29,6 +29,10 @@ namespace nana{ namespace drawerbase
optional<size> measure(graph_reference graph, unsigned limit_pixels, bool limit_width) const override
{
//Button doesn't provide a support of vfit and hfit
if (limit_pixels)
return{};
wchar_t shortkey;
std::string::size_type shortkey_pos;

61
source/gui/widgets/combox.cpp
View File

@ -1,7 +1,7 @@
/*
* A Combox Implementation
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
* Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
@ -17,8 +17,10 @@
#include <nana/gui/widgets/float_listbox.hpp>
#include <nana/gui/widgets/skeletons/text_editor.hpp>
#include <nana/gui/widgets/skeletons/textbase_export_interface.hpp>
#include <nana/gui/detail/widget_content_measurer_interface.hpp>
#include <iterator>
#include <algorithm>
namespace nana
{
@ -80,6 +82,46 @@ namespace nana
class drawer_impl
{
class content_measurer
: public dev::widget_content_measurer_interface
{
public:
content_measurer(drawer_impl* drwimpl)
: drw_{ drwimpl }
{}
optional<size> measure(graph_reference graph, unsigned limit_pixels, bool limit_width) const override
{
//Button doesn't provide a support of vfit and hfit
if (limit_pixels)
return{};
size content_size;
for (auto i = 0; i < drw_->the_number_of_options(); ++i)
{
auto & m = drw_->at(i);
auto sz = graph.text_extent_size(m.item_text);
content_size.width = (std::max)(content_size.width, sz.width);
content_size.height = (std::max)(content_size.height, sz.height);
}
return content_size;
}
size extension() const override
{
auto text_size = drw_->editor()->text_area(false).dimension();
auto wdg_size = drw_->widget_ptr()->size();
return{
wdg_size.width > text_size.width ? wdg_size.width - text_size.width : 0,
wdg_size.height > text_size.height ? wdg_size.height - text_size.height : 0
};
}
private:
drawer_impl* const drw_;
};
public:
using graph_reference = paint::graphics&;
using widget_reference = widget&;
@ -92,6 +134,8 @@ namespace nana
state_.button_state = element_state::normal;
state_.pointer_where = parts::none;
state_.lister = nullptr;
measurer_.reset(new content_measurer{this});
}
void renderer(drawerbase::float_listbox::item_renderer* ir)
@ -111,6 +155,8 @@ namespace nana
evt_agent_.reset(new event_agent{ static_cast<nana::combox&>(wd) });
editor_->textbase().set_event_agent(evt_agent_.get());
API::dev::set_measurer(wd, measurer_.get());
}
void detached()
@ -528,6 +574,8 @@ namespace nana
unsigned image_pixels_{ 16 };
widgets::skeletons::text_editor * editor_{ nullptr };
std::unique_ptr<event_agent> evt_agent_;
std::unique_ptr<content_measurer> measurer_;
struct state_type
{
bool focused;
@ -537,13 +585,16 @@ namespace nana
nana::float_listbox * lister;
std::size_t item_index_before_selection;
}state_;
};
}; //end class drawer_impl
//class trigger
trigger::trigger()
: drawer_(new drawer_impl)
{}
trigger::trigger() :
drawer_(new drawer_impl)
{
}
trigger::~trigger()
{

19
source/gui/widgets/label.cpp
View File

@ -184,10 +184,10 @@ namespace nana
rs.text_align = th;
rs.text_align_v = tv;
for(auto i = dstream_.begin(), end = dstream_.end(); i != end; ++i)
for(auto & line: dstream_)
{
rs.pixels.clear();
unsigned w = _m_line_pixels(*i, def_line_pixels, rs);
unsigned w = _m_line_pixels(line, def_line_pixels, rs);
if(limited && (w > limited))
w = limited;
@ -366,7 +366,8 @@ namespace nana
sz.height = max_ascent + max_descent;
}
if(w + sz.width <= rs.allowed_width)
//Check if the content is displayed in a new line.
if((0 == rs.allowed_width) || (w + sz.width <= rs.allowed_width))
{
w += sz.width;
@ -620,7 +621,7 @@ namespace nana
widget * wd{nullptr};
paint::graphics * graph{nullptr};
class measurer * measurer{ nullptr };
std::unique_ptr<measurer> msr_ptr{ nullptr };
align text_align{align::left};
align_v text_align_v;
@ -657,9 +658,10 @@ namespace nana
optional<size> measure(graph_reference graph, unsigned limit_pixels, bool limit_width) const override
{
if (graph)
//Label now doesn't support to measure content with a specified height.
if (graph && ((0 == limit_pixels) || limit_width))
{
return impl_->renderer.measure(graph, limit_pixels, impl_->text_align, impl_->text_align_v);
}
return{};
}
@ -674,7 +676,9 @@ namespace nana
trigger::trigger()
:impl_(new implement)
{}
{
impl_->msr_ptr.reset(new trigger::implement::measurer{impl_});
}
trigger::~trigger()
{
@ -690,6 +694,7 @@ namespace nana
{
impl_->graph = &graph;
impl_->wd = &widget;
API::dev::set_measurer(widget, impl_->msr_ptr.get());
}
void trigger::mouse_move(graph_reference, const arg_mouse& arg)

36
source/gui/widgets/picture.cpp
View File

@ -1,7 +1,7 @@
/*
* A Picture Implementation
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2015 Jinhao(cnjinhao@hotmail.com)
* Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
@ -16,6 +16,7 @@
#include <nana/gui/layout_utility.hpp>
#include <nana/paint/image.hpp>
#include <nana/gui/element.hpp>
#include <nana/gui/detail/widget_content_measurer_interface.hpp>
namespace nana
{
@ -23,11 +24,13 @@ namespace nana
{
namespace picture
{
class content_measurer;
struct implement
{
widget* wdg_ptr{nullptr};
paint::graphics* graph_ptr{nullptr};
std::unique_ptr<content_measurer> measurer;
struct gradual_bground_tag
{
@ -47,9 +50,37 @@ namespace nana
}backimg;
};
class content_measurer
: public dev::widget_content_measurer_interface
{
public:
content_measurer(implement* impl)
: impl_{impl}
{}
optional<size> measure(graph_reference graph, unsigned limit_pixels, bool limit_width) const override
{
//Button doesn't provide a support of vfit and hfit
if (!limit_pixels)
{
if (impl_->backimg.valid_area.empty())
return impl_->backimg.image.size();
}
return{};
}
size extension() const override
{
return{};
}
private:
implement* const impl_;
};
//class drawer
drawer::drawer() :impl_(new implement)
{
impl_->measurer.reset(new content_measurer{impl_});
}
drawer::~drawer()
@ -61,6 +92,7 @@ namespace nana
{
impl_->wdg_ptr = &wdg;
impl_->graph_ptr = &graph;
API::dev::set_measurer(wdg, impl_->measurer.get());
}
void drawer::refresh(graph_reference graph)