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Introduce ui::toggle_button - a button that can be turned on/off

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This commit is contained in:
Nikita Lisitsa 2022-02-17 18:55:00 +03:00
parent eb78e2cdb7
commit 5a64593219
4 changed files with 116 additions and 0 deletions
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4
libs/ui/include/psemek/ui/element_factory.hpp
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@ -10,6 +10,7 @@
#include <psemek/ui/image_view.hpp>
#include <psemek/ui/rich_image_view.hpp>
#include <psemek/ui/checkbox.hpp>
#include <psemek/ui/toggle_button.hpp>
#include <psemek/ui/slider.hpp>
#include <psemek/ui/spinbox.hpp>
#include <psemek/ui/scroller.hpp>
@ -32,6 +33,9 @@ namespace psemek::ui
virtual std::shared_ptr<image_view> make_image_view(gfx::texture_view_2d image);
virtual std::shared_ptr<rich_image_view> make_rich_image_view(std::shared_ptr<gfx::texture_2d> image);
virtual std::shared_ptr<checkbox> make_checkbox(bool value);
virtual std::shared_ptr<toggle_button> make_toggle_button();
virtual std::shared_ptr<toggle_button> make_toggle_button(std::string text);
virtual std::shared_ptr<toggle_button> make_toggle_button(gfx::texture_view_2d icon);
virtual std::shared_ptr<slider> make_slider();
virtual std::shared_ptr<spinbox> make_spinbox();
// directions:

33
libs/ui/include/psemek/ui/toggle_button.hpp Normal file
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@ -0,0 +1,33 @@
#pragma once
#include <psemek/ui/checkbox.hpp>
#include <psemek/ui/label.hpp>
#include <psemek/ui/image_view.hpp>
namespace psemek::ui
{
struct toggle_button
: checkbox
{
struct label * label() { return label_.get(); }
struct label const * label() const { return label_.get(); }
struct image_view * icon() { return icon_.get(); }
struct image_view const * icon() const { return icon_.get(); }
virtual void set_label(std::shared_ptr<struct label> label);
virtual void set_icon(std::shared_ptr<image_view> icon);
children_range children() const override;
~toggle_button() override;
private:
std::shared_ptr<struct label> label_;
std::shared_ptr<image_view> icon_;
element * children_[1]{nullptr};
};
}

35
libs/ui/source/element_factory.cpp
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@ -76,6 +76,41 @@ namespace psemek::ui
return nullptr;
}
std::shared_ptr<toggle_button> element_factory::make_toggle_button() { return nullptr; }
std::shared_ptr<toggle_button> element_factory::make_toggle_button(std::string text)
{
auto b = make_toggle_button();
if (b)
{
auto l = make_label(std::move(text));
if (l)
{
l->set_valign(label::valignment::center);
l->set_halign(label::halignment::center);
l->set_overflow(label::overflow_mode::ellipsis);
b->set_label(l);
}
}
return b;
}
std::shared_ptr<toggle_button> element_factory::make_toggle_button(gfx::texture_view_2d icon)
{
auto b = make_toggle_button();
if (b)
{
auto i = make_image_view(icon);
if (i)
{
i->set_downscale(false);
i->set_upscale(false);
b->set_icon(i);
}
}
return b;
}
std::shared_ptr<slider> element_factory::make_slider() { return nullptr; }
std::shared_ptr<spinbox> element_factory::make_spinbox() { return nullptr; }

44
libs/ui/source/toggle_button.cpp Normal file
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@ -0,0 +1,44 @@
#include <psemek/ui/toggle_button.hpp>
namespace psemek::ui
{
element::children_range toggle_button::children() const
{
return children_range{children_};
}
toggle_button::~toggle_button()
{
release_children();
}
void toggle_button::set_label(std::shared_ptr<struct label> label)
{
if (icon())
set_icon(nullptr);
if (label_) label_->set_parent(nullptr);
label_ = std::move(label);
children_[0] = label_.get();
if (label_) label_->set_parent(this);
}
void toggle_button::set_icon(std::shared_ptr<image_view> icon)
{
if (label())
set_label(nullptr);
if (icon_) icon_->set_parent(nullptr);
icon_ = std::move(icon);
children_[0] = icon_.get();
if (icon_)
{
icon_->set_parent(this);
icon_->set_downscale(false);
}
}
}