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353 lines
17 KiB
353 lines
17 KiB
using System ;
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using System.Text ;
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using System.Drawing ;
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using System.IO ;
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using System.Runtime.InteropServices ;
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using System.Collections.Generic ;
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using System.Windows.Forms ;
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using System.Diagnostics ;
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using Manina.Windows.Forms ;
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using log4net ;
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// --------------------------------------------------------------------
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public partial class MainForm : Form
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{
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private void InitializeComponent()
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{
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// initialize the form
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this.Text = Program.APP_NAME ;
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this.MinimumSize = new Size( 800, 500 ) ;
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// initialize the main splitter
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this.mSplitter.Orientation = Orientation.Horizontal ;
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this.mSplitter.Location = new Point( 0, 0 ) ;
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this.mSplitter.Size = new Size( this.Width, this.Height ) ;
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this.mSplitter.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Bottom | AnchorStyles.Right ;
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this.mSplitter.FixedPanel = FixedPanel.Panel1 ;
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this.mSplitter.Panel1MinSize = 140 ;
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this.mSplitter.Panel2MinSize = 300 ;
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this.mSplitter.SplitterDistance = this.mSplitter.Panel1MinSize ;
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this.mSplitter.Panel1.BackColor = Color.White ;
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this.mSplitter.Panel2.BackColor = Color.White ;
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this.mSplitter.BackColor = SystemColors.Control ;
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this.mSplitter.SplitterWidth = 2 ;
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this.Controls.Add( mSplitter ) ;
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// initialize the top pane (search)
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int margin = 2 ;
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this.mSearchUserControl.Size = new Size( 100, mSplitter.Panel1.Size.Height ) ;
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this.mSearchLabel.Location = new Point( margin, margin ) ;
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this.mSearchLabel.Size = new Size( mSearchUserControl.Width - 2*margin, 15 ) ;
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this.mSearchLabel.Font = new Font( mSearchLabel.Font, FontStyle.Bold ) ;
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this.mSearchLabel.Text = "Search for:" ;
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this.mSearchUserControl.Controls.Add( mSearchLabel ) ;
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this.mSearchQuery.Location = new Point( margin, mSearchLabel.Location.Y + mSearchLabel.Height ) ;
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this.mSearchQuery.Width = mSearchLabel.Width ;
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this.mSearchQuery.BorderStyle = BorderStyle.FixedSingle ;
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this.mSearchUserControl.Controls.Add( mSearchQuery ) ;
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this.mSplitter.Panel1.Controls.Add( mSearchUserControl ) ;
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this.mSearchResults.View = Manina.Windows.Forms.View.Gallery ;
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this.mSearchResults.SetRenderer( new AppImageListView.AppImageListViewRenderer() ) ;
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this.mSearchResults.CacheMode = CacheMode.Continuous ;
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this.mSearchResults.Location = new Point( mSearchUserControl.Location.X + mSearchUserControl.Width, margin ) ;
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Size searchResultsSize = new Size( mSplitter.Width - (mSearchQuery.Location.X + mSearchQuery.Width) - margin - 7, mSplitter.Panel1MinSize ) ;
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this.mSearchResults.Size = searchResultsSize ;
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this.mSearchResults.BorderStyle = BorderStyle.None ;
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this.mSearchResults.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Bottom ;
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this.mSplitter.Panel1.Controls.Add( mSearchResults ) ;
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this.mSearchResults.Size = searchResultsSize ; // FUDGE! need to do this again :shrug:
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// initialize the bottom pane (image viewer)
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// FIXME! We will probably need something better to render the images, but this will do, for now...
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this.mChartImagePictureBox.SizeMode = PictureBoxSizeMode.Zoom ;
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// FUDGE! We need to put the PictureBox inside a Panel in order to get the h-scrollbar to appear :-/
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mChartImagePanel.Anchor = AnchorStyles.Top | AnchorStyles.Left ;
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mChartImagePanel.AutoScroll = true ;
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mChartImagePanel.Controls.Add( mChartImagePictureBox ) ;
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mSplitter.Panel2.Controls.Add( mChartImagePanel ) ;
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// initialize handlers
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this.Load += new EventHandler( this.MainForm_Load ) ;
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this.Resize += new EventHandler( this.MainForm_Resize ) ;
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this.mSearchQuery.TextChanged += new EventHandler( this.SearchQuery_TextChanged ) ;
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this.mSearchQuery.KeyDown += new KeyEventHandler( this.SearchQuery_KeyDown ) ;
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this.mSearchResults.KeyPress += new KeyPressEventHandler( this.SearchResults_KeyPress ) ;
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this.mSearchResults.SelectionChanged += new EventHandler( this.SearchResults_SelectionChanged ) ;
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mChartImagePictureBox.MouseDown += new MouseEventHandler( this.ChartImagePictureBox_MouseDown ) ;
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mChartImagePictureBox.MouseMove += new MouseEventHandler( this.ChartImagePictureBox_MouseMove ) ;
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mChartImagePictureBox.MouseUp += new MouseEventHandler( this.ChartImagePictureBox_MouseUp ) ;
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// NOTE: We also register mouse event handlers for the panel, so that dragging will work if the user clicks
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// inside the image panel, but not on the image itself (i.e. when the image is smaller than the panel).
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mChartImagePanel.MouseDown += new MouseEventHandler( this.ChartImagePictureBox_MouseDown ) ;
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mChartImagePanel.MouseMove += new MouseEventHandler( this.ChartImagePictureBox_MouseMove ) ;
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mChartImagePanel.MouseUp += new MouseEventHandler( this.ChartImagePictureBox_MouseUp ) ;
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}
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public bool preFilterMessage( ref Message msg )
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{
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// FUDGE! On Windows, when we handle Ctrl/Shift-ScrollWheel, Windows still wants to scroll the ChartImage.
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// To stop this, we disable mouse wheel messages and handle everything ourself :-/
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if ( msg.Msg == 0x020A ) { // nb: WM_MOUSEWHEEL
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ulong wParam = (ulong)msg.WParam & 0xFFFFFFFF ;
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int nLines = (int)( wParam >> 16 ) ;
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if ( (nLines & 0x8000) != 0 )
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nLines = nLines - 0x10000 ; // nb: negate the 32-bit value
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nLines = nLines * SystemInformation.MouseWheelScrollLines / 120 ;
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if ( (wParam & 0xFFFF) == 0 )
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nLines = - nLines ; // nb: no virtual keys are down
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this.scrollMainForm( nLines ) ;
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return true ;
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}
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return false ;
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}
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private int ChartImagePanel_MaxScrollX() { return mChartImagePanel.HorizontalScroll.Maximum - mChartImagePanel.Width + 17 ; }
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private int ChartImagePanel_MaxScrollY() { return mChartImagePanel.VerticalScroll.Maximum - mChartImagePanel.Height + 17 ; }
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private void MainForm_Load( object sender, EventArgs e )
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{
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// initialize
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doMainFormResize( null ) ;
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// load the chart images
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loadChartImages() ;
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loadSearchResults( mChartImages.Values ) ;
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}
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private void MainForm_Resize( object sender, EventArgs e ) { doMainFormResize( null ) ; }
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private void doMainFormResize( Point? clientMousePos )
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{
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// check if we are showing a ChartImage
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Image img = mChartImagePictureBox.Image ;
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if ( img == null ) {
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mChartImagePanel.Visible = false ;
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return ;
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}
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mChartImagePanel.Visible = true ;
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// resize the ChartImage panel to fill the available space
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mChartImagePanel.Size = new Size(
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mSplitter.Panel2.Width - (Program.isMono?8:17),
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mSplitter.Panel2.Height - (Program.isMono?28:40)
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) ;
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// try to size the image to fill the available width
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int margin = 5 ;
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float aspectRatio = (float)img.Width / (float)img.Height ;
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int availableWidth = mChartImagePanel.Width - 2*margin ;
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int width = availableWidth ;
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int height = (int) (availableWidth / aspectRatio) ;
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// check that we're not zooming in/out too much
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float zoom = (float)width / (float)img.Width ;
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float minZoom = Program.appConfig.getFloatVal( new string[]{"MinZoom"}, 0.5f ) ;
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float maxZoom = Program.appConfig.getFloatVal( new string[]{"MaxZoom"}, 2f ) ;
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if ( minZoom > 0 && zoom < minZoom ) {
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width = (int) (img.Width * minZoom) ;
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height = (int) (img.Height * minZoom) ;
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} else if ( maxZoom > 0 && zoom > maxZoom ) {
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width = (int) (img.Width * maxZoom) ;
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height = (int) (img.Height * maxZoom) ;
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}
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// incorporate the user-controlled manual zoom
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width = (int)( width * mUserZoom + 0.5 ) ;
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height = (int)( height * mUserZoom + 0.5 ) ;
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// check if the v-scrollbar is showing
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if ( height >= mChartImagePanel.Height ) {
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// yup - adjust the width
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int sbWidth = SystemInformation.VerticalScrollBarWidth ;
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availableWidth -= sbWidth ;
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width -= sbWidth ;
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}
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// remember the current scroll positions
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HScrollProperties hscroll = mChartImagePanel.HorizontalScroll ;
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int prevScrollPosX = hscroll.Value ;
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int prevMaxScrollX = ChartImagePanel_MaxScrollX() ;
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double prevRelScrollPosX = (double)prevScrollPosX / (double)prevMaxScrollX ;
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VScrollProperties vscroll = mChartImagePanel.VerticalScroll ;
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int prevScrollPosY = vscroll.Value ;
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int prevMaxScrollY = ChartImagePanel_MaxScrollY() ;
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double prevRelScrollPosY = (double)prevScrollPosY / (double)prevMaxScrollY ;
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// resize and position the ChartImage
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mChartImagePanel.HorizontalScroll.Value = 0 ;
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mChartImagePanel.VerticalScroll.Value = 0 ;
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Size prevChartImagePictureBoxSize = new Size( mChartImagePictureBox.Size.Width, mChartImagePictureBox.Size.Height ) ;
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mChartImagePictureBox.Size = new Size( width, height ) ;
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if ( width < availableWidth )
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mChartImagePictureBox.Location = new Point( margin + (availableWidth - width)/2, margin ) ;
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else
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mChartImagePictureBox.Location = new Point( margin, margin ) ;
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// restore the scroll positions
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int newScrollPosX, newScrollPosY ;
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int newMaxScrollX = ChartImagePanel_MaxScrollX() ;
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int newMaxScrollY = ChartImagePanel_MaxScrollY() ;
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if ( clientMousePos == null ) {
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// maintain the relative scroll positions
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newScrollPosX = (int)( prevRelScrollPosX * newMaxScrollX + 0.5 ) ;
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newScrollPosY = (int)( prevRelScrollPosY * newMaxScrollY + 0.5 ) ;
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} else {
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// keep whatever's under the mouse in the same place
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int absX = prevScrollPosX + clientMousePos.Value.X ;
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double scaling = (double)mChartImagePictureBox.Size.Width / (double)prevChartImagePictureBoxSize.Width ;
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newScrollPosX = (int)( absX * scaling + 0.5) - clientMousePos.Value.X ;
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int absY = prevScrollPosY + clientMousePos.Value.Y ;
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scaling = (double)mChartImagePictureBox.Size.Height / (double)prevChartImagePictureBoxSize.Height ;
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newScrollPosY = (int)( absY * scaling + 0.5) - clientMousePos.Value.Y ;
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}
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scrollChartImagePanel( newScrollPosX, newScrollPosY ) ;
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}
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private void ChartImagePictureBox_MouseDown( object sender, MouseEventArgs e )
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{
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// flag that the user has started to drag the ChartImage
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// FUDGE! The mouse position as reported by the MouseEventArgs bounces around weirdly during mouse move,
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// so we read the mouse position directly :shrug:
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mMouseDragAnchor = Cursor.Position ;
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mScrollDragAnchor = new Tuple<int,int>( mChartImagePanel.HorizontalScroll.Value, mChartImagePanel.VerticalScroll.Value ) ;
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Cursor.Current = Cursors.Hand ;
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}
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private void ChartImagePictureBox_MouseMove( object sender, MouseEventArgs e )
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{
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// check if a drag is in progress
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if ( mMouseDragAnchor == null )
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return ;
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Point pos = Cursor.Position ;
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int deltaX = pos.X - mMouseDragAnchor.Value.X ;
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int deltaY = pos.Y - mMouseDragAnchor.Value.Y ;
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int scrollX = mScrollDragAnchor.Item1 - deltaX ;
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int scrollY = mScrollDragAnchor.Item2 - deltaY ;
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scrollChartImagePanel( scrollX, scrollY ) ;
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}
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private void ChartImagePictureBox_MouseUp( object sender, MouseEventArgs e )
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{
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// end the drag
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mMouseDragAnchor = null ;
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mScrollDragAnchor = null ;
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Cursor.Current = Cursors.Default ;
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}
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private void scrollMainForm( int nLines )
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{
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// check if the mouse is over the ChartImage Panel
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Point pos = Cursor.Position ;
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pos = mChartImagePanel.PointToClient( pos ) ;
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if ( pos.X < 0 || pos.X >= mChartImagePanel.Width || pos.Y < 0 || pos.Y >= mChartImagePanel.Height )
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return ;
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if ( (Control.ModifierKeys & Keys.Shift) != 0 ) {
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// scroll the ChartImage left/right
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HScrollProperties hscroll = mChartImagePanel.HorizontalScroll ;
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int scrollRange = hscroll.Maximum - hscroll.Minimum ;
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int scrollX = hscroll.Value + (int)( scrollRange * nLines/100 ) ;
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scrollChartImagePanel( scrollX, null ) ;
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} else if ( (Control.ModifierKeys & Keys.Control) != 0 ) {
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if ( nLines > 0 ) {
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float maxUserZoom = Program.appConfig.getFloatVal( new string[]{"MaxUserZoom"}, 2.0f ) ;
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mUserZoom = Math.Min( mUserZoom+0.1, maxUserZoom ) ;
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} else {
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float minUserZoom = Program.appConfig.getFloatVal( new string[]{"MinUserZoom"}, 0.5f ) ;
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mUserZoom = Math.Max( mUserZoom-0.1, minUserZoom ) ;
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}
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doMainFormResize( pos ) ;
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} else {
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// scroll the ChartImage up/down
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VScrollProperties vscroll = mChartImagePanel.VerticalScroll ;
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int scrollRange = vscroll.Maximum - vscroll.Minimum ;
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int scrollY = vscroll.Value + (int)( scrollRange * nLines/100 ) ;
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scrollChartImagePanel( null, scrollY ) ;
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}
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}
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private void scrollChartImagePanel( int? scrollX, int? scrollY )
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{
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// update the scroll position
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if ( scrollX != null ) {
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HScrollProperties hscroll = mChartImagePanel.HorizontalScroll ;
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int maxScrollX = ChartImagePanel_MaxScrollX() ;
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int scrollPos = Math.Max( 0, Math.Min( maxScrollX, scrollX.Value ) ) ;
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hscroll.Value = scrollPos ;
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hscroll.Value = scrollPos ; // nb: for Windows :shrug:
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}
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if ( scrollY != null ) {
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VScrollProperties vscroll = mChartImagePanel.VerticalScroll ;
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int maxScrollY = ChartImagePanel_MaxScrollY() ;
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int scrollPos = Math.Max( 0, Math.Min( maxScrollY, scrollY.Value ) ) ;
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vscroll.Value = scrollPos ;
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vscroll.Value = scrollPos ; // nb: for Windows :shrug:
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}
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}
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private void SearchResults_SelectionChanged( object sender, EventArgs e )
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{
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// show the selected chart image
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Debug.Assert( mSearchResults.SelectedItems.Count == 1 ) ;
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ChartImage chartImage ;
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if ( mSearchResults.SelectedItems.Count > 0 ) {
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chartImage = (ChartImage) mSearchResults.SelectedItems[0].Tag ;
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mChartImagePictureBox.Image = chartImage.image ;
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} else
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mChartImagePictureBox.Image = null ;
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mChartImagePanel.HorizontalScroll.Value = 0 ;
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mChartImagePanel.VerticalScroll.Value = 0 ;
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mUserZoom = 1.0 ;
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doMainFormResize( null ) ;
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}
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private void SearchQuery_TextChanged( object sender, EventArgs e )
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{
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// update the search results
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updateSearchResults( mSearchQuery.Text.Trim() ) ;
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}
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private void SearchQuery_KeyDown( object sender, KeyEventArgs e )
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{
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// check if there are any ChartImage's associated with the keypress
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List<ChartImage> chartImages = ChartImage.checkShortcut( e.Modifiers, e.KeyCode ) ;
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if ( chartImages != null ) {
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// yup - show them as search results
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ILog logger = LogManager.GetLogger( "shortcuts" ) ;
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logger.Info( $"Found ChartImage's for shortcut: {ChartImage.shortcutString(e.Modifiers,e.KeyCode)}" ) ;
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foreach ( ChartImage chartImage in chartImages )
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logger.Info( $"- {chartImage.caption()}" ) ;
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mSearchQuery.Text = "" ;
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loadSearchResults( chartImages ) ;
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e.Handled = true ;
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return ;
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}
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// check if we should apply the keypress to the search results
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if ( e.KeyCode == Keys.Escape ) {
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string prevSearchQuery = mSearchQuery.Text ;
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mSearchQuery.Text = "" ;
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if ( prevSearchQuery == "" )
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updateSearchResults( "" ) ;
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} else if ( e.KeyCode == Keys.Left || e.KeyCode == Keys.Right ) {
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mSearchResults.Focus() ;
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SendKeys.SendWait( "{" + e.KeyCode.ToString() + "}" ) ;
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mSearchQuery.Focus() ;
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e.Handled = true ;
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}
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}
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private void SearchResults_KeyPress( object sender, KeyPressEventArgs e )
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{
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// check if we should apply the keypress to the search query
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int ch = (int) e.KeyChar ;
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if ( ch == 27 )
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mSearchQuery.Text = "" ;
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else if ( ch >= 32 && ch < 127 ) {
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mSearchQuery.AppendText( e.KeyChar.ToString() ) ;
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mSearchQuery.Focus() ;
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}
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}
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}
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