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Implemented simple GUI

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This commit is contained in:
Alex
2023-01-04 06:46:13 +02:00
parent f91503d704
commit 4d8205a516
10 changed files with 675 additions and 287 deletions
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124
GUI/WidgetEvents.cpp
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@ -11,7 +11,129 @@
namespace GraphicalUserInterface
{
void WidgetCollection::OnPaint(Event *e)
void WidgetCollection::OnPaintBackground(Event *e)
{
}
void WidgetCollection::OnPaintForeground(Event *e)
{
foreach (auto Panel in this->Panels)
{
PutRect(this->Buffer, Panel->rect, Panel->Color);
}
foreach (auto Label in this->Labels)
{
Label->CharCursorX = Label->rect.Left;
Label->CharCursorY = Label->rect.Top;
for (uint64_t i = 0; i < strlen(Label->Text); i++)
PaintChar(this->CurrentFont, this->Buffer, Label->Text[i], 0xFFFFFF, &Label->CharCursorX, &Label->CharCursorY);
}
foreach (auto Button in this->Buttons)
{
if (Button->Pressed)
PutRect(this->Buffer, Button->rect, Button->PressedColor);
else if (Button->Hover)
PutRect(this->Buffer, Button->rect, Button->HoverColor);
else
PutRect(this->Buffer, Button->rect, Button->Color);
Button->CharCursorX = Button->rect.Left + (((Button->rect.Width / 2) - (this->CurrentFont->GetInfo().Width * strlen(Button->Text) / 2)));
Button->CharCursorY = Button->rect.Top + (((Button->rect.Height / 2) - (this->CurrentFont->GetInfo().Height / 2)));
for (uint64_t i = 0; i < strlen(Button->Text); i++)
PaintChar(this->CurrentFont, this->Buffer, Button->Text[i], 0xFFFFFF, &Button->CharCursorX, &Button->CharCursorY);
}
}
void WidgetCollection::OnPaint(Event *e)
{
static long LastWidth = 0;
static long LastHeight = 0;
if (LastWidth != ((Window *)this->ParentWindow)->GetPosition().Width ||
LastHeight != ((Window *)this->ParentWindow)->GetPosition().Height)
{
LastWidth = ((Window *)this->ParentWindow)->GetPosition().Width;
LastHeight = ((Window *)this->ParentWindow)->GetPosition().Height;
this->mem->FreePages(this->Buffer->Data, TO_PAGES(this->Buffer->Size));
delete this->Buffer;
this->Buffer = new ScreenBitmap;
this->Buffer->Width = LastWidth;
this->Buffer->Height = LastHeight;
this->Buffer->BitsPerPixel = Display->GetBitsPerPixel();
this->Buffer->Pitch = Display->GetPitch();
this->Buffer->Size = this->Buffer->Pitch * LastHeight;
this->Buffer->Data = (uint8_t *)this->mem->RequestPages(TO_PAGES(this->Buffer->Size));
memset(this->Buffer->Data, 0, this->Buffer->Size);
NeedRedraw = true;
}
if (NeedRedraw)
{
memset(this->Buffer->Data, 0, this->Buffer->Size);
this->OnPaintBackground(e);
this->OnPaintForeground(e);
NeedRedraw = false;
}
DrawOverBitmap(((Window *)this->ParentWindow)->GetBuffer(), this->Buffer, 0, 0);
}
void WidgetCollection::OnMouseDown(Event *e)
{
foreach (auto Button in this->Buttons)
{
if (Button->rect.Contains(e->MouseDown.X, e->MouseDown.Y))
{
if (e->MouseDown.Left)
{
debug("Button Hold");
Button->Pressed = true;
NeedRedraw = true;
}
}
}
}
void WidgetCollection::OnMouseUp(Event *e)
{
foreach (auto Button in this->Buttons)
{
if (Button->rect.Contains(e->MouseUp.X, e->MouseUp.Y))
{
if (e->MouseUp.Left)
{
debug("Button Release");
if (Button->Pressed)
{
debug("Button Clicked");
if (Button->OnClick != (uintptr_t) nullptr)
((void (*)(void))Button->OnClick)();
Button->Pressed = false;
NeedRedraw = true;
}
}
}
}
}
void WidgetCollection::OnMouseMove(Event *e)
{
foreach (auto Button in this->Buttons)
{
if (Button->rect.Contains(e->MouseMove.X, e->MouseMove.Y))
{
Button->Hover = true;
NeedRedraw = true;
}
else
{
Button->Hover = false;
NeedRedraw = true;
}
}
}
}