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Zooming Updates Cell Size

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Cells should resize based on zoom level.
This commit is contained in:
Benjamin Popp
2019-06-09 13:48:16 -05:00
parent b235997163
commit 5dc36d6bb9
1 changed files with 12 additions and 3 deletions
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15
src/HexManiac.WPF/Controls/HexContent.cs
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@@ -8,6 +8,7 @@ using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
@@ -345,7 +346,7 @@ namespace HavenSoft.HexManiac.WPF.Controls {
protected override void OnMouseWheel(MouseWheelEventArgs e) {
base.OnMouseWheel(e);
if (Keyboard.Modifiers == ModifierKeys.Control) {
FontSize = Math.Min(Math.Max(8, FontSize + Math.Sign(e.Delta)), 20);
FontSize = Math.Min(Math.Max(8, FontSize + Math.Sign(e.Delta)), 24);
} else {
ViewPort.ScrollValue -= Math.Sign(e.Delta);
}
@@ -492,12 +493,20 @@ namespace HavenSoft.HexManiac.WPF.Controls {
}
private void UpdateViewPortSize() {
CellWidth = 30;
CellHeight = 20;
// calculate the initial 3x2 cell size from the fontsize
var sampleElement = new FormattedText("000", CultureInfo.CurrentCulture, FlowDirection.LeftToRight, new Typeface("Consolas"), FontSize, Brushes.Transparent, 1);
CellHeight = Math.Ceiling(Math.Max(sampleElement.Height, sampleElement.Width * 2 / 3));
CellWidth = Math.Ceiling(CellHeight * 3 / 2);
// let the ViewPort decide its width based on the available space for cells per line
ViewPort.Width = (int)(ActualWidth / CellWidth);
ViewPort.Height = (int)(ActualHeight / CellHeight);
// add extra width to the cells as able
var extraWidth = ActualWidth - ViewPort.Width * CellWidth;
if (extraWidth > 0) CellWidth += (int)(extraWidth / ViewPort.Width);
// add horizontal scrolling if needed
var requiredSize = ViewPort.Width * CellWidth;
if (requiredSize > ActualWidth) {
ShowHorizontalScroll = true;