rainmeter-studio/Plugins/PluginInputText/PluginCode.cs

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/*
Copyright (C) 2013 Rainmeter Team
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
using System;
using System.Collections.Generic;
using Rainmeter;
// The bulk of your plugin's code belongs in this file.
namespace InputText
{
internal partial class Measure
{
private bool ReadOptions(ExecuteBangParam param)
{
// Get default options
ReadOption("DefaultValue", param.Options);
ReadOption("X", param.Options, true);
ReadOption("Y", param.Options, true);
ReadOption("W", param.Options, true);
ReadOption("H", param.Options, true);
ReadOption("StringStyle", param.Options);
ReadOption("StringAlign", param.Options);
ReadOption("FocusDismiss", param.Options);
ReadOption("FontColor", param.Options);
ReadOption("FontFace", param.Options);
ReadOption("FontSize", param.Options, true);
ReadOption("SolidColor", param.Options);
ReadOption("Password", param.Options);
ReadOption("TopMost", param.Options);
param.DismissAction = rm.ReadString("OnDismissAction", "", false);
#region Handle a single parameter
// If our parameter list only contains a single word, then open a textbox immediately
// and set a value. This mode does not do any batching.
if (!param.Command.Contains(" "))
{
param.Type = ExecuteBangParam.BangType.SetVariable;
return true;
}
#endregion
#region Handle multiple parameters
// Our parameter list contains at least two words, so split them up
string[] sParts = param.Command.Split(new string[] { " " }, StringSplitOptions.None);
// If the first parameter is 'ExecuteBatch' (not case sensitive)...
if (sParts[0].Trim().ToUpper() == "EXECUTEBATCH")
{
param.Type = ExecuteBangParam.BangType.ExecuteBatch;
// ExecuteBatch tells this plugin to go through the measure's settings to look
// for lines beginning with "Command" and executing Rainmeter bangs for each one.
// If a line contains $UserInput$, then an input textbox is opened and command
// execution pauses until the user enters text or dismisses the textbox. If the
// textbox is dismissed (Escape key, for example), all processing ends, otherwise
// it continues depending on the range of commands selected.
//
// Each "Command" line allows overriding all settings that the input textbox
// supports, therefor some checking and substitution is performed, thus a
// more complex parser has been implemented.
//
// ExecuteBatch expects this syntax:
// ExecuteBatch [All|#|#-#]
//
// This allows Rainmeter to call the plugin to execute a range including:
// All All commands in the measure
// # Only a single command in the measure
// #-# A specific range of commands in the measure
#region Determine range
// Determine range. Default is 1 to 1,000,000,000, although if processing finds
// that a requested line is blank, it will stop all processing (so 'All' will
// only parse 14 lines if "Command15" does not exist or is blank).
int iMin = 1;
int iMax = 1000000000;
try
{
if (sParts[1].Trim().ToUpper() != "ALL")
{
if (sParts[1].Contains("-"))
{
string[] sSubParts = sParts[1].Split(new string[] { "-" }, StringSplitOptions.None);
iMin = int.Parse(sSubParts[0]);
iMax = int.Parse(sSubParts[1]);
}
else
iMin = iMax = int.Parse(sParts[1]);
}
}
catch // handle all errors above
{
// Any error above will be ignored and the default range used instead.
// This can occur if the measure asks to ExecuteBatch an invalid range
// or the range could not be translated to an acceptable format.
//
// For example: ExecuteBatch asdf
iMin = 1;
iMax = 1000000000;
}
#endregion
#region Parse commands in range
// Parse each command in the range, aborting if any line returns 'false' or
// the requested command line does not exist in the config for that measure.
for (int i = iMin; i <= iMax; i++)
{
// Read this command's line
string sLine = rm.ReadString("Command" + i.ToString(), "", false);
// If empty/non-existent, abort
if (string.IsNullOrEmpty(sLine))
break;
#region Handle in-line overrides
// Create a blank list of overrides
Dictionary<string, string> Overrides = new Dictionary<string, string>();
// Start looking for overridable settings and adjust the list accordingly,
// stripping out settings from the line if they are discovered.
//
// The supporting TagData() function allows for whitespace if quotes are
// used. For example:
//
// DefaultValue="hello there, how are you"
sLine = ScanAndReplace(sLine, "DefaultValue", Overrides);
sLine = ScanAndReplace(sLine, "X", Overrides, true);
sLine = ScanAndReplace(sLine, "Y", Overrides, true);
sLine = ScanAndReplace(sLine, "W", Overrides, true);
sLine = ScanAndReplace(sLine, "H", Overrides, true);
sLine = ScanAndReplace(sLine, "StringStyle", Overrides);
sLine = ScanAndReplace(sLine, "StringAlign", Overrides);
sLine = ScanAndReplace(sLine, "FocusDismiss", Overrides);
sLine = ScanAndReplace(sLine, "FontColor", Overrides);
sLine = ScanAndReplace(sLine, "FontFace", Overrides);
sLine = ScanAndReplace(sLine, "FontSize", Overrides, true);
sLine = ScanAndReplace(sLine, "SolidColor", Overrides);
sLine = ScanAndReplace(sLine, "Password", Overrides);
sLine = ScanAndReplace(sLine, "TopMost", Overrides);
param.OverrideOptions.Add(Overrides);
#endregion
param.Commands.Add(sLine);
}
#endregion
return param.Commands.Count > 0;
}
#endregion
// Unhandled command, log the message but otherwise do nothing
param.Type = ExecuteBangParam.BangType.Unknown;
API.Log(API.LogType.Debug, "InputText: Received command \"" + sParts[0].Trim() + "\", left unhandled");
return false;
}
private void ExecuteCommands(ExecuteBangParam param)
{
switch (param.Type)
{
case ExecuteBangParam.BangType.SetVariable:
{
// Assume that the parameter is the name of the variable
// Ask for input
string sInput = GetUserInput(param.Options);
// If the user cancelled out of the inputbox (ESC key, etc.), then abort
if (sInput == null)
{
// Execute OnDismissAction if defined
if (!String.IsNullOrEmpty(param.DismissAction))
API.Execute(rm.GetSkin(), param.DismissAction);
break;
}
// Ask Rainmeter to set the variable using a bang (http://rainmeter.net/RainCMS/?q=Bangs)
API.Execute(rm.GetSkin(), "!SetVariable " + param.Command + " \"" + sInput + "\"");
// Note that the skin needs DynamicVariables=1 in the measure's settings or the above
// code will have no effect.
}
break;
case ExecuteBangParam.BangType.ExecuteBatch:
{
for (int i = 0; i < param.Commands.Count; ++i)
{
// Execute the line, but if there's a problem (error or they cancel the
// input textbox), then abort
if (!ExecuteLine(param.Commands[i], param.Options, param.OverrideOptions[i]))
{
// Execute OnDismissAction if defined
if (!String.IsNullOrEmpty(param.DismissAction))
API.Execute(rm.GetSkin(), param.DismissAction);
break;
}
// Continue to the next line, if there is any
}
}
break;
}
}
#region This is all code custom to this plugin
#region Parse the current command line
private bool ExecuteLine(string sLine, Dictionary<string, string> Options, Dictionary<string, string> Overrides)
{
// If this line contains a $UserInput$ token, then we need to do some extra
// parsing
if (sLine.ToUpper().Contains("$USERINPUT$"))
{
try
{
// Get user input
string sInput = GetUserInput(Options, Overrides);
if (sInput == null)
{
// API.Log(API.LogType.Debug, "InputText: Aborted, user cancelled text box");
return false;
}
// Swap out the $UserInput$ token with what the user typed
sLine = Replace(sLine, "$USERINPUT$", sInput);
}
catch (Exception ex)
{
// If there was an error doing any of the above, log it for debugging purposes.
API.Log(API.LogType.Warning, "InputText: Exception " + ex.GetType().ToString() + ": " + ex.Message);
return false;
}
}
// Execute the bang. This will either be the original line from CommandX= (sLine variable) or
// an adjusted line based on special parsing above.
// API.Log(API.LogType.Debug, "InputText: Executing bang: " + sLine);
API.Execute(rm.GetSkin(), sLine);
return true;
}
#endregion
#region GetUserInput() -- creates an input textbox and handles all INI and override settings
delegate void ChangeSettingFromString(string value);
delegate void ChangeInputBoxSetting(string option, ChangeSettingFromString method);
private InputBox _InputBox = null;
private object _InputBoxLocker = new object();
private string GetUserInput(Dictionary<string, string> Options)
{
// No INI overrides provided, so create an empty list
return GetUserInput(Options, new Dictionary<string, string>());
}
private string GetUserInput(Dictionary<string, string> Options, Dictionary<string, string> Overrides)
{
InputBox input = null;
lock (this._InputBoxLocker)
{
if (this._IsFinalizing)
return null;
SkinWindow skin = new SkinWindow(rm);
// Create the form. 'InputBox' is a .NET form with a textbox and two button controls on it.
this._InputBox = new InputBox(skin);
input = this._InputBox;
input.ChangeX("0");
input.ChangeY("0");
// Change the styles of the InputBox form based on overrides or INI values
#region Style and preference tweaks (INI and override settings)
ChangeInputBoxSetting changeSetting = (opt, change) =>
{
if (Overrides.ContainsKey(opt))
change(Overrides[opt]);
else if (Options.ContainsKey(opt))
change(Options[opt]);
};
changeSetting("FontFace", input.ChangeFontFace);
changeSetting("FontSize", input.ChangeFontSize);
changeSetting("W", input.ChangeW);
changeSetting("H", input.ChangeH);
changeSetting("X", input.ChangeX);
changeSetting("Y", input.ChangeY);
changeSetting("StringStyle", input.ChangeFontStringStyle);
changeSetting("StringAlign", input.ChangeStringAlign);
changeSetting("FontColor", input.ChangeFontColor);
changeSetting("SolidColor", input.ChangeBackColor);
if (Overrides.ContainsKey("FocusDismiss"))
input.MakeFocusDismiss(Overrides["FocusDismiss"] == "1");
else if (Options.ContainsKey("FocusDismiss"))
input.MakeFocusDismiss(Options["FocusDismiss"].Trim() == "1");
if (Overrides.ContainsKey("Password"))
input.MakePassword(Overrides["Password"] == "1");
else if (Options.ContainsKey("Password"))
input.MakePassword(Options["Password"].Trim() == "1");
string topmost = null;
if (Overrides.ContainsKey("TopMost"))
topmost = Overrides["TopMost"];
else if (Options.ContainsKey("TopMost"))
topmost = Options["TopMost"].Trim();
switch (topmost)
{
case "1":
input.MakeTopmost();
break;
case "0":
break;
default: // AUTO
if (skin.IsTopmost)
input.MakeTopmost();
break;
}
changeSetting("DefaultValue", input.DefaultValue);
#endregion
}
string result = null;
if (input.ShowInputBox())
{
lock (this.locker)
{
this.LastInput = input.TextValue;
result = this.LastInput;
}
}
// Dispose
input = null;
lock (this._InputBoxLocker)
{
this._InputBox.Dispose();
this._InputBox = null;
}
return result;
}
private void FinalizePluginCode()
{
lock (this._InputBoxLocker)
{
if (this._InputBox != null)
{
this._InputBox.Abort();
System.Threading.Thread.Sleep(50); // Wait for closing input box
}
}
}
#endregion
#region ReadOption(), ParseInlineOption() -- reads given option's value from Rainmeter
private void ReadOption(string optionName, Dictionary<string, string> Options, bool formula = false)
{
string value = rm.ReadString(optionName, "");
if (!string.IsNullOrEmpty(value))
{
if (formula && value[0] == '(')
Options.Add(optionName, rm.ReadInt(optionName, 0).ToString());
else
Options.Add(optionName, value);
}
}
private string ParseInlineOption(string data, bool formula = false)
{
IntPtr skin = rm.GetSkin();
string keyName = "__InputText_ParseInline_TemporaryKey__";
string bang = "!SetOption \"" + rm.GetMeasureName() + "\" " + keyName + " ";
string quote = (data.IndexOf('"') >= 0) ? "\"\"\"" : "\"";
API.Execute(skin, bang + quote + data + quote); // set temporarily
string value = formula ? rm.ReadInt(keyName, 0).ToString() : rm.ReadString(keyName, "");
API.Execute(skin, bang + "\"\""); // remove
return value;
}
#endregion
#region Replace() -- case-insensitive string replacement
private static string Replace(string sIn, string sFind, string sReplace)
{
int iReplace = sIn.ToUpper().IndexOf(sFind.ToUpper());
string sLineNew = string.Empty;
if (iReplace > 0)
sLineNew += sIn.Substring(0, iReplace);
sLineNew += sReplace;
sLineNew += sIn.Substring(iReplace + sFind.Length);
return sLineNew;
}
private static string Replace(string sIn, int iStart, int iLength, string sReplace)
{
int iReplace = iStart;
string sLineNew = string.Empty;
if (iReplace > 0)
sLineNew += sIn.Substring(0, iReplace);
sLineNew += sReplace;
sLineNew += sIn.Substring(iReplace + iLength);
return sLineNew;
}
#endregion
#region TagLoc(), TagData() -- text parsing utilities for the override tags
private int TagLoc(string sLine, string sTag)
{
if (!string.IsNullOrEmpty(sLine) && !string.IsNullOrEmpty(sTag))
{
int loc = sLine.ToUpper().IndexOf(" " + sTag.ToUpper() + "=");
if (loc >= 0)
return loc + 1;
}
return -1;
}
private string TagData(string sLine, string sTag, int iStart)
{
if (iStart < 0)
return string.Empty;
iStart += sTag.Length + 1;
string sTagData = string.Empty;
bool bInQuote = false;
try
{
for (int i = 0; ; i++)
{
if (i == 0)
{
if (sLine[i + iStart] == '"')
{
bInQuote = true;
continue;
}
}
if (sLine[i + iStart] == '"')
break;
if (!bInQuote)
if (char.IsWhiteSpace(sLine[i + iStart]))
break;
sTagData += sLine[i + iStart];
}
}
catch { }
if (bInQuote == true)
return "\"" + sTagData + "\"";
return sTagData;
}
#endregion
#region ScanAndReplace() -- searches for a tag and its value, adding it to overrides if found, and then removing it from the input line
private string ScanAndReplace(string sLine, string sTagName, Dictionary<string, string> Overrides, bool formula = false)
{
int loc = TagLoc(sLine, sTagName);
if (loc >= 0)
{
string sTagData = TagData(sLine, sTagName, loc);
// API.Log(API.LogType.Debug, "InputText: Overriding " + sTagName + " with " + sTagData);
string data = (sTagData.StartsWith("\"")) ? sTagData.Substring(1, sTagData.Length - 2) : sTagData;
if (!string.IsNullOrEmpty(data))
{
int index;
if (formula && data[0] == '(')
data = ParseInlineOption(data, true);
else if ((index = data.IndexOf('[')) >= 0 && data.IndexOf(']', index) > 0)
data = ParseInlineOption(data, false);
}
Overrides.Add(sTagName, data);
sLine = Replace(sLine, loc - 1, 1 + sTagName.Length + 1 + sTagData.Length, string.Empty);
}
return sLine;
}
#endregion
#endregion
}
}