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The-Powder-Toy/src/gui/interface/Window.cpp
2019-04-09 15:28:40 +02:00

622 lines
14 KiB
C++

#include <iostream>
#include "Window.h"
#include "Engine.h"
#include "Keys.h"
#include "Component.h"
#include "gui/interface/Point.h"
#include "gui/interface/Button.h"
using namespace ui;
Window::Window(Point _position, Point _size):
Position(_position),
Size(_size),
AllowExclusiveDrawing(true),
okayButton(NULL),
cancelButton(NULL),
focusedComponent_(NULL),
hoverComponent(NULL),
#ifdef DEBUG
debugMode(false),
#endif
halt(false),
destruct(false),
stop(false)
{
}
Window::~Window()
{
for (unsigned i = 0, sz = Components.size(); i < sz; ++i)
if (Components[i])
{
delete Components[i];
}
Components.clear();
}
void Window::AddComponent(Component* c)
{
if (c->GetParentWindow() == NULL)
{
c->SetParentWindow(this);
Components.push_back(c);
if (Engine::Ref().GetMouseX() > Position.X + c->Position.X && Engine::Ref().GetMouseX() < Position.X + c->Position.X + c->Size.X &&
Engine::Ref().GetMouseY() > Position.Y + c->Position.Y && Engine::Ref().GetMouseY() < Position.Y + c->Position.Y + c->Size.Y)
c->OnMouseEnter(Engine::Ref().GetMouseX() - (Position.X + c->Position.X), Engine::Ref().GetMouseY() - (Position.Y + c->Position.Y));
}
else
{
//Component already in a window
}
}
unsigned Window::GetComponentCount()
{
return Components.size();
}
Component* Window::GetComponent(unsigned idx)
{
return Components[idx];
}
void Window::RemoveComponent(Component* c)
{
// remove component WITHOUT freeing it.
for (unsigned i = 0; i < Components.size(); ++i)
{
// find the appropriate component index
if (Components[i] == c)
{
//Make sure any events don't continue
halt = true;
if (Components[i] == focusedComponent_)
focusedComponent_ = NULL;
if (Components[i] == hoverComponent)
hoverComponent = NULL;
Components.erase(Components.begin() + i);
// we're done
c->SetParentWindow(NULL);
return;
}
}
}
void Window::OnTryExit(ExitMethod method)
{
if (cancelButton && method != MouseOutside)
cancelButton->DoAction();
}
void Window::OnTryOkay(OkayMethod method)
{
if (okayButton)
okayButton->DoAction();
}
void Window::RemoveComponent(unsigned idx)
{
halt = true;
// free component and remove it.
if (Components[idx] == focusedComponent_)
focusedComponent_ = NULL;
if (Components[idx] == hoverComponent)
hoverComponent = NULL;
delete Components[idx];
Components.erase(Components.begin() + idx);
}
bool Window::IsFocused(const Component* c) const
{
return c == focusedComponent_;
}
void Window::FocusComponent(Component* c)
{
this->focusedComponent_ = c;
}
void Window::MakeActiveWindow()
{
if (Engine::Ref().GetWindow() != this)
Engine::Ref().ShowWindow(this);
}
bool Window::CloseActiveWindow()
{
if (Engine::Ref().GetWindow() == this)
{
Engine::Ref().CloseWindow();
return true;
}
return false;
}
Graphics * Window::GetGraphics()
{
return Engine::Ref().g;
}
void Window::DoExit()
{
OnExit();
}
void Window::DoInitialized()
{
OnInitialized();
}
void Window::DoBlur()
{
OnBlur();
}
void Window::DoFocus()
{
OnFocus();
}
void Window::DoDraw()
{
OnDraw();
for (int i = 0, sz = Components.size(); i < sz; ++i)
if (Components[i]->Visible && ((Components[i] != focusedComponent_ && Components[i] != hoverComponent) || Components[i]->GetParent()))
{
Point scrpos(Components[i]->Position.X + Position.X, Components[i]->Position.Y + Position.Y);
if (AllowExclusiveDrawing)
{
Components[i]->Draw(scrpos);
}
else
{
if (scrpos.X + Components[i]->Size.X >= 0 &&
scrpos.Y + Components[i]->Size.Y >= 0 &&
scrpos.X < ui::Engine::Ref().GetWidth() &&
scrpos.Y < ui::Engine::Ref().GetHeight())
{
Components[i]->Draw(scrpos);
}
}
#ifdef DEBUG
if (debugMode)
{
if (focusedComponent_==Components[i])
{
ui::Engine::Ref().g->fillrect(Components[i]->Position.X+Position.X, Components[i]->Position.Y+Position.Y, Components[i]->Size.X, Components[i]->Size.Y, 0, 255, 0, 90);
}
else
{
ui::Engine::Ref().g->fillrect(Components[i]->Position.X+Position.X, Components[i]->Position.Y+Position.Y, Components[i]->Size.X, Components[i]->Size.Y, 255, 0, 0, 90);
}
}
#endif
}
// the component the mouse is hovering over and the focused component are always drawn last
if (hoverComponent && hoverComponent->Visible && hoverComponent->GetParent() == NULL)
{
Point scrpos(hoverComponent->Position.X + Position.X, hoverComponent->Position.Y + Position.Y);
if ((scrpos.X + hoverComponent->Size.X >= 0 &&
scrpos.Y + hoverComponent->Size.Y >= 0 &&
scrpos.X < ui::Engine::Ref().GetWidth() &&
scrpos.Y < ui::Engine::Ref().GetHeight()
) || AllowExclusiveDrawing)
{
hoverComponent->Draw(scrpos);
}
}
if (focusedComponent_ && focusedComponent_ != hoverComponent && focusedComponent_->Visible && focusedComponent_->GetParent() == NULL)
{
Point scrpos(focusedComponent_->Position.X + Position.X, focusedComponent_->Position.Y + Position.Y);
if ((scrpos.X + focusedComponent_->Size.X >= 0 &&
scrpos.Y + focusedComponent_->Size.Y >= 0 &&
scrpos.X < ui::Engine::Ref().GetWidth() &&
scrpos.Y < ui::Engine::Ref().GetHeight()
) || AllowExclusiveDrawing)
{
focusedComponent_->Draw(scrpos);
}
}
#ifdef DEBUG
if (debugMode)
{
if (focusedComponent_)
{
int xPos = focusedComponent_->Position.X+focusedComponent_->Size.X+5+Position.X;
Graphics * g = ui::Engine::Ref().g;
String tempString, tempString2;
tempString = String::Build("Position: L ", focusedComponent_->Position.X, ", R ", Size.X-(focusedComponent_->Position.X+focusedComponent_->Size.X), ", T: ", focusedComponent_->Position.Y, ", B: ", Size.Y-(focusedComponent_->Position.Y+focusedComponent_->Size.Y));
tempString2 = String::Build("Size: ", focusedComponent_->Size.X, ", ", focusedComponent_->Size.Y);
if (Graphics::textwidth(tempString)+xPos > WINDOWW)
xPos = WINDOWW-(Graphics::textwidth(tempString)+5);
if (Graphics::textwidth(tempString2)+xPos > WINDOWW)
xPos = WINDOWW-(Graphics::textwidth(tempString2)+5);
g->drawtext(xPos, focusedComponent_->Position.Y+Position.Y+1, tempString, 0, 0, 0, 200);
g->drawtext(xPos, focusedComponent_->Position.Y+Position.Y, tempString, 255, 255, 255, 255);
g->drawtext(xPos, focusedComponent_->Position.Y+Position.Y+13, tempString2, 0, 0, 0, 200);
g->drawtext(xPos, focusedComponent_->Position.Y+Position.Y+12, tempString2, 255, 255, 255, 255);
}
return;
}
#endif
}
void Window::DoTick(float dt)
{
#ifdef DEBUG
if (debugMode)
return;
#endif
//on mouse hover
for (int i = Components.size() - 1; i >= 0 && !halt; --i)
{
if (Components[i]->Enabled &&
ui::Engine::Ref().GetMouseX() >= Components[i]->Position.X+Position.X &&
ui::Engine::Ref().GetMouseY() >= Components[i]->Position.Y+Position.Y &&
ui::Engine::Ref().GetMouseX() < Components[i]->Position.X+Position.X + Components[i]->Size.X &&
ui::Engine::Ref().GetMouseY() < Components[i]->Position.Y+Position.Y + Components[i]->Size.Y )
{
Components[i]->OnMouseHover(ui::Engine::Ref().GetMouseX() - (Components[i]->Position.X + Position.X), ui::Engine::Ref().GetMouseY() - (Components[i]->Position.Y + Position.Y));
break;
}
}
//tick
for (int i = 0, sz = Components.size(); i < sz && !halt; ++i)
{
Components[i]->Tick(dt);
}
halt = false;
stop = false;
OnTick(dt);
if (destruct)
finalise();
}
void Window::DoKeyPress(int key, int scan, bool repeat, bool shift, bool ctrl, bool alt)
{
#ifdef DEBUG
if (key == SDLK_TAB && ctrl)
debugMode = !debugMode;
if (debugMode)
{
if (focusedComponent_!=NULL)
{
if (shift)
{
if (key == SDLK_UP)
focusedComponent_->Size.Y--;
if (key == SDLK_DOWN)
focusedComponent_->Size.Y++;
if (key == SDLK_LEFT)
focusedComponent_->Size.X--;
if (key == SDLK_RIGHT)
focusedComponent_->Size.X++;
}
if (ctrl)
{
if (key == SDLK_UP)
focusedComponent_->Size.Y++;
if (key == SDLK_DOWN)
focusedComponent_->Size.Y--;
if (key == SDLK_LEFT)
focusedComponent_->Size.X++;
if (key == SDLK_RIGHT)
focusedComponent_->Size.X--;
}
if (!shift)
{
if (key == SDLK_UP)
focusedComponent_->Position.Y--;
if (key == SDLK_DOWN)
focusedComponent_->Position.Y++;
if (key == SDLK_LEFT)
focusedComponent_->Position.X--;
if (key == SDLK_RIGHT)
focusedComponent_->Position.X++;
}
if (key == SDLK_DELETE)
{
RemoveComponent(focusedComponent_);
halt = false;
}
}
else
{
if (shift)
{
if (key == SDLK_UP)
Size.Y--;
if (key == SDLK_DOWN)
Size.Y++;
if (key == SDLK_LEFT)
Size.X--;
if (key == SDLK_RIGHT)
Size.X++;
}
if (ctrl)
{
if (key == SDLK_UP)
Size.Y++;
if (key == SDLK_DOWN)
Size.Y--;
if (key == SDLK_LEFT)
Size.X++;
if (key == SDLK_RIGHT)
Size.X--;
}
if (!shift)
{
if (key == SDLK_UP)
Position.Y--;
if (key == SDLK_DOWN)
Position.Y++;
if( key == SDLK_LEFT)
Position.X--;
if (key == SDLK_RIGHT)
Position.X++;
}
}
return;
}
#endif
//on key press
if (focusedComponent_ != NULL)
{
if (focusedComponent_->Enabled && focusedComponent_->Visible)
focusedComponent_->OnKeyPress(key, scan, repeat, shift, ctrl, alt);
}
if (!stop)
OnKeyPress(key, scan, repeat, shift, ctrl, alt);
if (key == SDLK_ESCAPE)
OnTryExit(Escape);
if (key == SDLK_KP_ENTER || key == SDLK_RETURN)
OnTryOkay(Enter);
if (destruct)
finalise();
}
void Window::DoKeyRelease(int key, int scan, bool repeat, bool shift, bool ctrl, bool alt)
{
#ifdef DEBUG
if(debugMode)
return;
#endif
//on key unpress
if (focusedComponent_ != NULL)
{
if (focusedComponent_->Enabled && focusedComponent_->Visible)
focusedComponent_->OnKeyRelease(key, scan, repeat, shift, ctrl, alt);
}
if (!stop)
OnKeyRelease(key, scan, repeat, shift, ctrl, alt);
if (destruct)
finalise();
}
void Window::DoTextInput(String text)
{
#ifdef DEBUG
if (debugMode)
return;
#endif
//on key unpress
if (focusedComponent_ != NULL)
{
if (focusedComponent_->Enabled && focusedComponent_->Visible)
focusedComponent_->OnTextInput(text);
}
if (!stop)
OnTextInput(text);
if (destruct)
finalise();
}
void Window::DoMouseDown(int x_, int y_, unsigned button)
{
//on mouse click
int x = x_ - Position.X;
int y = y_ - Position.Y;
bool clickState = false;
for (int i = Components.size() - 1; i > -1 && !halt; --i)
{
if (Components[i]->Enabled && Components[i]->Visible)
{
if (x >= Components[i]->Position.X && y >= Components[i]->Position.Y && x < Components[i]->Position.X + Components[i]->Size.X && y < Components[i]->Position.Y + Components[i]->Size.Y)
{
FocusComponent(Components[i]);
#ifdef DEBUG
if (!debugMode)
#endif
Components[i]->OnMouseClick(x - Components[i]->Position.X, y - Components[i]->Position.Y, button);
clickState = true;
break;
}
}
}
if (!clickState)
FocusComponent(NULL);
#ifdef DEBUG
if (debugMode)
return;
#endif
//on mouse down
for (int i = Components.size() - 1; i > -1 && !halt; --i)
{
if (Components[i]->Enabled && Components[i]->Visible)
Components[i]->OnMouseDown(x, y, button);
}
if (!stop)
OnMouseDown(x_, y_, button);
if (!clickState && (x_ < Position.X || y_ < Position.Y || x_ > Position.X+Size.X || y_ > Position.Y+Size.Y))
OnTryExit(MouseOutside);
if (destruct)
finalise();
}
void Window::DoMouseMove(int x_, int y_, int dx, int dy)
{
//on mouse move (if true, and inside)
int x = x_ - Position.X;
int y = y_ - Position.Y;
#ifdef DEBUG
if (debugMode)
return;
#endif
for (int i = Components.size() - 1; i > -1 && !halt; --i)
{
if (Components[i]->Enabled && Components[i]->Visible)
{
Point local(x - Components[i]->Position.X, y - Components[i]->Position.Y);
Point a(local.X - dx, local.Y - dy);
Components[i]->OnMouseMoved(local.X, local.Y, dx, dy);
if (local.X >= 0 &&
local.Y >= 0 &&
local.X < Components[i]->Size.X &&
local.Y < Components[i]->Size.Y && !halt)
{
Components[i]->OnMouseMovedInside(local.X, local.Y, dx, dy);
// entering?
if (!(a.X >= 0 &&
a.Y >= 0 &&
a.X < Components[i]->Size.X &&
a.Y < Components[i]->Size.Y ))
{
Components[i]->OnMouseEnter(local.X, local.Y);
}
if (Components[i]->Enabled)
hoverComponent = Components[i];
}
else if (!halt)
{
// leaving?
if (a.X >= 0 &&
a.Y >= 0 &&
a.X < Components[i]->Size.X &&
a.Y < Components[i]->Size.Y )
{
Components[i]->OnMouseLeave(local.X, local.Y);
}
}
}
}
if (!stop)
OnMouseMove(x_, y_, dx, dy);
if (destruct)
finalise();
}
void Window::DoMouseUp(int x_, int y_, unsigned button)
{
int x = x_ - Position.X;
int y = y_ - Position.Y;
#ifdef DEBUG
if (debugMode)
return;
#endif
//on mouse unclick
for (int i = Components.size() - 1; i >= 0 && !halt; --i)
{
if (Components[i]->Enabled && Components[i]->Visible)
{
if (x >= Components[i]->Position.X && y >= Components[i]->Position.Y && x < Components[i]->Position.X + Components[i]->Size.X && y < Components[i]->Position.Y + Components[i]->Size.Y)
{
Components[i]->OnMouseUnclick(x - Components[i]->Position.X, y - Components[i]->Position.Y, button);
break;
}
}
}
//on mouse up
for (int i = Components.size() - 1; i >= 0 && !halt; --i)
{
if (Components[i]->Enabled && Components[i]->Visible)
Components[i]->OnMouseUp(x, y, button);
}
if (!stop)
OnMouseUp(x_, y_, button);
if (destruct)
finalise();
}
void Window::DoMouseWheel(int x_, int y_, int d)
{
int x = x_ - Position.X;
int y = y_ - Position.Y;
#ifdef DEBUG
if (debugMode)
return;
#endif
//on mouse wheel focused
for (int i = Components.size() - 1; i >= 0 && !halt; --i)
{
if (x >= Components[i]->Position.X && y >= Components[i]->Position.Y && x < Components[i]->Position.X + Components[i]->Size.X && y < Components[i]->Position.Y + Components[i]->Size.Y)
{
if (Components[i]->Enabled && Components[i]->Visible)
Components[i]->OnMouseWheelInside(x - Components[i]->Position.X, y - Components[i]->Position.Y, d);
break;
}
}
//on mouse wheel
for (int i = Components.size() - 1; i >= 0 && !halt; --i)
{
if (Components[i]->Enabled && Components[i]->Visible)
Components[i]->OnMouseWheel(x - Components[i]->Position.X, y - Components[i]->Position.Y, d);
}
if (!stop)
OnMouseWheel(x_, y_, d);
if (destruct)
finalise();
}
void Window::finalise()
{
delete this;
}
void Window::SelfDestruct()
{
destruct = true;
halt = true;
stop = true;
}
void Window::Halt()
{
stop = true;
halt = true;
}