Mercurial > quickqr

comparison QRForm.cs @ 0:aca8706f4eec default tip

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Initial commit
author Brad Greco <brad@bgreco.net>
date Mon, 13 Oct 2014 21:28:19 -0500
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-1:000000000000 0:aca8706f4eec
1 using System;
2 using System.Collections.Generic;
3 using System.ComponentModel;
4 using System.Data;
5 using System.Drawing;
6 using System.Drawing.Imaging;
7 using System.IO;
8 using System.Runtime.InteropServices;
9 using System.Text;
10 using System.Windows.Forms;
11 using ZXing;
12 using Microsoft.Win32;
13
14 /*
15 * Copyright (c) 2014 Brad Greco <brad@bgreco.net>
16 */
17 namespace QuickQR
18 {
19 public partial class QRForm : Form
20 {
21 const int WM_HOTKEY = 786;
22
23 private BarcodeWriter writer;
24 private KeyBinding keyBinding;
25 private String currentText;
26 private Settings settings;
27
28 [DllImport("user32.dll")]
29 private static extern int RegisterHotKey(IntPtr hwnd, int id, int fsModifiers, int vk);
30 [DllImport("user32.dll")]
31 private static extern int UnregisterHotKey(IntPtr hwnd, int id);
32
33 public QRForm()
34 {
35 InitializeComponent();
36 }
37
38 private void QRForm_Load(object sender, EventArgs e)
39 {
40 settings = new Settings();
41 loadSettings();
42 registerHotkey(keyBinding);
43 writer = new BarcodeWriter { Format = BarcodeFormat.QR_CODE };
44 writer.Options.Margin = 2;
45 fileHide.ShortcutKeyDisplayString = "Esc";
46 reset();
47 notifyIcon.Icon = new System.Drawing.Icon(this.Icon, 16, 16);
48 }
49
50 private void notifyIcon_DoubleClick(object sender, EventArgs e)
51 {
52 this.Show();
53 this.Activate();
54 generateFromClipboard();
55 }
56
57 private void generateFromClipboard()
58 {
59 if (Clipboard.ContainsText())
60 {
61 inputTextBox.Text = Clipboard.GetText();
62 generate(Clipboard.GetText());
63 }
64 else
65 {
66 reset();
67 }
68 }
69
70 private void generateFromTextBox()
71 {
72 if (inputTextBox.Text.Length > 0)
73 generate(inputTextBox.Text);
74 else
75 reset();
76 }
77
78 private void generate(String text)
79 {
80 System.Diagnostics.Debug.WriteLine("Generating: " + text);
81 currentText = text;
82 draw();
83 }
84
85 private void draw()
86 {
87 writer.Options.Width = QRImage.Width;
88 writer.Options.Height = QRImage.Height;
89 try
90 {
91 QRImage.Image = writer.Write(currentText);
92 }
93 catch (Exception e)
94 {
95 System.Diagnostics.Debug.WriteLine(e.Message);
96 showError(e.Message);
97 return;
98 }
99 finally
100 {
101 inputTextBox.SelectAll();
102 inputTextBox.Focus();
103 }
104 if (QRLabel.ForeColor != Color.Black)
105 QRLabel.ForeColor = Color.Black;
106 QRLabel.Text = currentText;
107 fileSaveAs.Enabled = true;
108 QRImage.ContextMenuStrip = imageMenu;
109 }
110
111 private void registerHotkey(KeyBinding hotkey)
112 {
113 settings.setHotkey(hotkey);
114 unregisterHotkey();
115 if (hotkey.key > 0)
116 RegisterHotKey(this.Handle, hotkey.getID(), hotkey.sum(), hotkey.key);
117 keyBinding = hotkey;
118 }
119
120 private void unregisterHotkey()
121 {
122 if (keyBinding.key > 0)
123 UnregisterHotKey(this.Handle, keyBinding.getID());
124 }
125
126 private void showHotkeyForm()
127 {
128 unregisterHotkey();
129 SetHotkey form = new SetHotkey(keyBinding);
130 if (form.ShowDialog() == DialogResult.OK)
131 registerHotkey(form.keyBinding);
132 form.Dispose();
133 }
134
135 private void loadSettings()
136 {
137 optionWinStart.Checked = menuAutorun.Checked = settings.autostart;
138 optionBackground.Checked = settings.background;
139 keyBinding = new KeyBinding(settings.hotkey);
140 registerAutostart();
141 }
142
143 private void registerAutostart()
144 {
145 RegistryKey key = Registry.CurrentUser.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);
146 if (settings.autostart)
147 key.SetValue("QuickQR", Application.ExecutablePath.ToString());
148 else
149 key.DeleteValue("QuickQR", false);
150 }
151
152 private void showError(String message)
153 {
154 QRLabel.ForeColor = Color.Red;
155 QRLabel.Text = message;
156 }
157
158 private void reset()
159 {
160 inputTextBox.Text = string.Empty;
161 QRImage.Image = null;
162 QRLabel.Text = String.Empty;
163 inputTextBox.Focus();
164 currentText = string.Empty;
165 fileSaveAs.Enabled = false;
166 QRImage.ContextMenuStrip = null;
167 }
168
169 private void toggleBackground()
170 {
171 settings.setBackground(!settings.background);
172 optionBackground.Checked = settings.background;
173 }
174
175 private void toggleAutorun()
176 {
177 settings.setAutostart(!settings.autostart);
178 optionWinStart.Checked = menuAutorun.Checked = settings.autostart;
179 registerAutostart();
180 }
181
182 private void saveImage()
183 {
184 SaveFileDialog dialog = new SaveFileDialog();
185 dialog.DefaultExt = "png";
186 dialog.Filter = "PNG images (*.png)|*.png|All files (*.*)|*.*";
187 String fileName = currentText;
188 foreach (char c in Path.GetInvalidFileNameChars())
189 {
190 fileName = fileName.Replace(c.ToString(), "");
191 }
192 dialog.FileName = fileName;
193 if (dialog.ShowDialog() == DialogResult.OK)
194 {
195 QRImage.Image.Save(dialog.FileName, ImageFormat.Png);
196 }
197 dialog.Dispose();
198 }
199
200 [System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name = "FullTrust")]
201 protected override void WndProc(ref Message m)
202 {
203 // Listen for operating system messages.
204 switch (m.Msg)
205 {
206 case WM_HOTKEY:
207 System.Diagnostics.Debug.WriteLine(m.WParam.ToString());
208 if (m.WParam.ToInt32() == keyBinding.getID())
209 {
210 System.Diagnostics.Debug.WriteLine("Our hotkey received");
211 this.Show();
212 this.Activate();
213 generateFromClipboard();
214 }
215 break;
216 }
217 base.WndProc(ref m);
218 }
219
220 protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
221 {
222 if (keyData == Keys.Escape)
223 {
224 if (settings.background)
225 this.Hide();
226 else
227 Application.Exit();
228 return true;
229 }
230 return base.ProcessCmdKey(ref msg, keyData);
231 }
232
233 private void QRForm_Resize(object sender, EventArgs e)
234 {
235 if (currentText != string.Empty)
236 draw();
237 }
238
239 private void inputTextBox_KeyDown(object sender, KeyEventArgs e)
240 {
241 if (e.KeyCode == Keys.Enter)
242 generateFromTextBox();
243 }
244
245 private void generateButton_Click(object sender, EventArgs e)
246 {
247 generateFromTextBox();
248 }
249
250 private void fileHide_Click(object sender, EventArgs e)
251 {
252 this.Hide();
253 }
254
255 private void fileExit_Click(object sender, EventArgs e)
256 {
257 Application.Exit();
258 }
259
260 private void menuGenerateClipboard_Click(object sender, EventArgs e)
261 {
262 this.Show();
263 generateFromClipboard();
264 }
265
266 private void menuNew_Click(object sender, EventArgs e)
267 {
268 this.Show();
269 reset();
270 }
271
272 private void exitToolStripMenuItem_Click(object sender, EventArgs e)
273 {
274 Application.Exit();
275 }
276
277 private void QRForm_FormClosing(object sender, FormClosingEventArgs e)
278 {
279 System.Diagnostics.Debug.WriteLine("Reason: " + e.CloseReason);
280 if (settings.background && (e.CloseReason == CloseReason.None || e.CloseReason == CloseReason.UserClosing))
281 {
282 this.Hide();
283 e.Cancel = true;
284 }
285 }
286
287 private void optionHotkey_Click(object sender, EventArgs e)
288 {
289 showHotkeyForm();
290 }
291
292 private void menuAutorun_Click(object sender, EventArgs e)
293 {
294 toggleAutorun();
295 }
296
297 private void menuHotkey_Click(object sender, EventArgs e)
298 {
299 showHotkeyForm();
300 }
301
302 private void optionWinStart_Click(object sender, EventArgs e)
303 {
304 toggleAutorun();
305 }
306
307 private void optionBackground_Click(object sender, EventArgs e)
308 {
309 toggleBackground();
310 }
311
312 private void imageCopy_Click(object sender, EventArgs e)
313 {
314 Clipboard.SetImage(QRImage.Image);
315 }
316
317 private void fileSaveAs_Click(object sender, EventArgs e)
318 {
319 saveImage();
320 }
321
322 private void imageSaveAs_Click(object sender, EventArgs e)
323 {
324 saveImage();
325 }
326
327 private void helpAbout_Click(object sender, EventArgs e)
328 {
329 AboutForm form = new AboutForm();
330 form.ShowDialog();
331 form.Dispose();
332 }
333 }
334 }