zdoom/gzdoom
0
0
Fork 0
mirror of https://github.com/ZDoom/gzdoom.git synced 2025-03-20 18:02:29 +00:00
Code Issues Projects Releases Packages Wiki Activity

Add scrollbar to the log

Browse source
This commit is contained in:
Magnus Norddahl 2024-01-03 03:10:26 +01:00 committed by Christoph Oelckers
parent 9745942130
commit e953f3a0c7
2 changed files with 87 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

79
src/common/widgets/errorwindow.cpp
View file

@ -5,6 +5,7 @@
#include "printf.h"
#include <zwidget/core/image.h>
#include <zwidget/widgets/pushbutton/pushbutton.h>
#include <zwidget/widgets/scrollbar/scrollbar.h>
bool ErrorWindow::ExecModal(const std::string& text, const std::string& log)
{
@ -105,7 +106,10 @@ void ErrorWindow::OnGeometryChanged()
LogViewer::LogViewer(Widget* parent) : Widget(parent)
{
SetNoncontentSizes(8.0, 8.0, 8.0, 8.0);
SetNoncontentSizes(8.0, 8.0, 3.0, 8.0);
scrollbar = new Scrollbar(this);
scrollbar->FuncScroll = [=]() { OnScrollbarScroll(); };
}
void LogViewer::SetText(const std::string& text, const std::string& log)
@ -135,6 +139,9 @@ void LogViewer::SetText(const std::string& text, const std::string& log)
layout.AddText(text, largefont, Colorf::fromRgba8(255, 255, 170));
lines.push_back(layout);
scrollbar->SetRanges(0.0, (double)lines.size(), 1.0, 100.0);
scrollbar->SetPosition((double)lines.size() - 1.0);
Update();
}
@ -194,7 +201,8 @@ void LogViewer::OnPaint(Canvas* canvas)
{
double width = GetWidth();
double y = GetHeight();
for (size_t i = lines.size(); i > 0 && y > 0.0; i--)
size_t start = std::min((size_t)std::round(scrollbar->GetPosition() + 1.0), lines.size());
for (size_t i = start; i > 0 && y > 0.0; i--)
{
SpanLayout& layout = lines[i - 1];
layout.Layout(canvas, width);
@ -203,3 +211,70 @@ void LogViewer::OnPaint(Canvas* canvas)
y -= layout.GetSize().height;
}
}
void LogViewer::OnMouseWheel(const Point& pos, EInputKey key)
{
if (key == IK_MouseWheelUp)
{
ScrollUp(4);
}
else if (key == IK_MouseWheelDown)
{
ScrollDown(4);
}
}
void LogViewer::OnKeyDown(EInputKey key)
{
if (key == IK_Home)
{
scrollbar->SetPosition(0.0f);
Update();
}
if (key == IK_End)
{
scrollbar->SetPosition(scrollbar->GetMax());
Update();
}
else if (key == IK_PageUp)
{
ScrollUp(20);
}
else if (key == IK_PageDown)
{
ScrollDown(20);
}
else if (key == IK_Up)
{
ScrollUp(4);
}
else if (key == IK_Down)
{
ScrollDown(4);
}
}
void LogViewer::OnScrollbarScroll()
{
Update();
}
void LogViewer::OnGeometryChanged()
{
double w = GetWidth();
double h = GetHeight();
double sw = scrollbar->GetPreferredWidth();
scrollbar->SetFrameGeometry(Rect::xywh(w - sw, 0.0, sw, h));
}
void LogViewer::ScrollUp(int lines)
{
scrollbar->SetPosition(std::max(scrollbar->GetPosition() - (double)lines, 0.0));
Update();
}
void LogViewer::ScrollDown(int lines)
{
scrollbar->SetPosition(std::min(scrollbar->GetPosition() + (double)lines, scrollbar->GetMax()));
Update();
}

10
src/common/widgets/errorwindow.h
View file

@ -5,6 +5,7 @@
class LogViewer;
class PushButton;
class Scrollbar;
class ErrorWindow : public Widget
{
@ -42,10 +43,19 @@ public:
protected:
void OnPaintFrame(Canvas* canvas) override;
void OnPaint(Canvas* canvas) override;
void OnMouseWheel(const Point& pos, EInputKey key) override;
void OnKeyDown(EInputKey key) override;
void OnGeometryChanged() override;
private:
void OnScrollbarScroll();
void ScrollUp(int lines);
void ScrollDown(int lines);
SpanLayout CreateLineLayout(const std::string& text);
Scrollbar* scrollbar = nullptr;
std::shared_ptr<Font> largefont = Font::Create("Poppins", 16.0);
std::shared_ptr<Font> font = Font::Create("Poppins", 12.0);
std::vector<SpanLayout> lines;