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Button.cpp
233 lines (207 loc) · 5.31 KB
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Button.cpp
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#include <iostream>
#include "gui/interface/Button.h"
#include "graphics/Graphics.h"
#include "Engine.h"
#include "Misc.h"
namespace ui {
Button::Button(Point position, Point size, std::string buttonText, std::string toolTip):
Component(position, size),
ButtonText(buttonText),
isMouseInside(false),
isButtonDown(false),
isTogglable(false),
toggle(false),
actionCallback(NULL),
Enabled(true),
toolTip(toolTip)
{
TextPosition();
}
void Button::TextPosition()
{
buttonDisplayText = ButtonText;
if(buttonDisplayText.length())
{
if(Graphics::textwidth((char *)buttonDisplayText.c_str()) > Size.X - (Appearance.icon? 22 : 0))
{
int position = Graphics::textwidthx((char *)buttonDisplayText.c_str(), Size.X - (Appearance.icon? 38 : 22));
buttonDisplayText = buttonDisplayText.erase(position, buttonDisplayText.length()-position);
buttonDisplayText += "...";
}
}
Component::TextPosition(buttonDisplayText);
}
void Button::SetIcon(Icon icon)
{
Appearance.icon = icon;
TextPosition();
}
void Button::SetText(std::string buttonText)
{
ButtonText = buttonText;
TextPosition();
}
void Button::SetTogglable(bool togglable)
{
toggle = false;
isTogglable = togglable;
}
bool Button::GetTogglable()
{
return isTogglable;
}
bool Button::GetToggleState()
{
return toggle;
}
void Button::SetToggleState(bool state)
{
toggle = state;
}
void Button::Draw(const Point& screenPos)
{
if(!drawn)
{
TextPosition();
drawn = true;
}
Graphics * g = ui::Engine::Ref().g;
Point Position = screenPos;
ui::Colour bgColour(0, 0, 0);
ui::Colour textColour = Appearance.TextInactive;
ui::Colour borderColour = Appearance.BorderInactive;
ui::Colour backgroundColour = Appearance.BackgroundInactive;
if(Enabled)
{
if(isButtonDown || (isTogglable && toggle))
{
textColour = Appearance.TextActive;
borderColour = Appearance.BorderActive;
backgroundColour = Appearance.BackgroundActive;
}
else if (isMouseInside)
{
textColour = Appearance.TextHover;
borderColour = Appearance.BorderHover;
backgroundColour = Appearance.BackgroundHover;
}
else
{
textColour = Appearance.TextInactive;
borderColour = Appearance.BorderInactive;
backgroundColour = Appearance.BackgroundInactive;
}
}
else
{
textColour = Appearance.TextDisabled;
borderColour = Appearance.BorderDisabled;
backgroundColour = Appearance.BackgroundDisabled;
}
bgColour = Appearance.BackgroundInactive;
g->fillrect(Position.X+1, Position.Y+1, Size.X-2, Size.Y-2, backgroundColour.Red, backgroundColour.Green, backgroundColour.Blue, backgroundColour.Alpha);
if(Appearance.Border == 1)
g->drawrect(Position.X, Position.Y, Size.X, Size.Y, borderColour.Red, borderColour.Green, borderColour.Blue, borderColour.Alpha);
else
{
if(Appearance.Border.Top)
g->draw_line(Position.X, Position.Y, Position.X+Size.X-1, Position.Y, borderColour.Red, borderColour.Green, borderColour.Blue, borderColour.Alpha);
if(Appearance.Border.Bottom)
g->draw_line(Position.X, Position.Y+Size.Y-1, Position.X+Size.X-1, Position.Y+Size.Y-1, borderColour.Red, borderColour.Green, borderColour.Blue, borderColour.Alpha);
if(Appearance.Border.Left)
g->draw_line(Position.X, Position.Y, Position.X, Position.Y+Size.Y-1, borderColour.Red, borderColour.Green, borderColour.Blue, borderColour.Alpha);
if(Appearance.Border.Right)
g->draw_line(Position.X+Size.X-1, Position.Y, Position.X+Size.X-1, Position.Y+Size.Y-1, borderColour.Red, borderColour.Green, borderColour.Blue, borderColour.Alpha);
}
g->drawtext(Position.X+textPosition.X, Position.Y+textPosition.Y, buttonDisplayText, textColour.Red, textColour.Green, textColour.Blue, textColour.Alpha);
bool iconInvert = (backgroundColour.Blue + (3*backgroundColour.Green) + (2*backgroundColour.Red))>544?true:false;
if(Appearance.icon)
{
if(Enabled)
g->draw_icon(Position.X+iconPosition.X, Position.Y+iconPosition.Y, Appearance.icon, 255, iconInvert);
else
g->draw_icon(Position.X+iconPosition.X, Position.Y+iconPosition.Y, Appearance.icon, 180, iconInvert);
}
}
void Button::OnMouseUnclick(int x, int y, unsigned int button)
{
if(button == 1)
{
if(isButtonDown)
{
if(isTogglable)
{
toggle = !toggle;
}
isButtonDown = false;
DoAction();
}
}
else if(button == 3)
{
if(isAltButtonDown)
{
isAltButtonDown = false;
DoAltAction();
}
}
}
void Button::OnMouseClick(int x, int y, unsigned int button)
{
if(!Enabled)
return;
if(button == 1)
{
isButtonDown = true;
}
else if(button == 3)
{
isAltButtonDown = true;
}
}
void Button::OnMouseEnter(int x, int y)
{
isMouseInside = true;
if(!Enabled)
return;
if(actionCallback)
actionCallback->MouseEnterCallback(this);
}
void Button::OnMouseHover(int x, int y)
{
if(Enabled && toolTip.length()>0 && GetParentWindow())
{
GetParentWindow()->ToolTip(this, ui::Point(x, y), toolTip);
}
}
void Button::OnMouseLeave(int x, int y)
{
isMouseInside = false;
isButtonDown = false;
}
void Button::DoAction()
{
if(!Enabled)
return;
if(actionCallback)
actionCallback->ActionCallback(this);
}
void Button::DoAltAction()
{
if(!Enabled)
return;
if(actionCallback)
actionCallback->AltActionCallback(this);
}
void Button::SetActionCallback(ButtonAction * action)
{
if(actionCallback)
delete actionCallback;
actionCallback = action;
}
Button::~Button()
{
if(actionCallback)
delete actionCallback;
}
} /* namespace ui */