From 6bfaef2ba656b4fc87065fb2f56c7fbcb6358609 Mon Sep 17 00:00:00 2001
From: Rene Gollent <anevilyak@gmail.com>
Date: Sun, 4 Nov 2012 09:31:26 +0100
Subject: [PATCH] Add basic helper class for user input prompting.

---
 headers/private/shared/PromptWindow.h | 34 +++++++++++
 src/kits/shared/Jamfile               |  1 +
 src/kits/shared/PromptWindow.cpp      | 81 +++++++++++++++++++++++++++
 3 files changed, 116 insertions(+)
 create mode 100644 headers/private/shared/PromptWindow.h
 create mode 100644 src/kits/shared/PromptWindow.cpp

diff --git a/headers/private/shared/PromptWindow.h b/headers/private/shared/PromptWindow.h
new file mode 100644
index 0000000000..80d376fd26
--- /dev/null
+++ b/headers/private/shared/PromptWindow.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2012, Rene Gollent, rene@gollent.com.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef PROMPT_WINDOW_H_
+#define PROMPT_WINDOW_H_
+
+
+#include <Messenger.h>
+#include <Window.h>
+
+
+class BTextControl;
+
+
+class PromptWindow : public BWindow
+{
+public:
+								// PromptWindow takes ownership of message
+								PromptWindow(const char* title, const char* label, BMessenger target,
+									BMessage* message = NULL);
+								~PromptWindow();
+
+	virtual void				MessageReceived(BMessage* message);
+
+		status_t				SetTarget(BMessenger messenger);
+		status_t				SetMessage(BMessage* message);
+private:
+		BTextControl*			fTextControl;
+		BMessenger				fTarget;
+		BMessage*				fMessage;
+};
+
+#endif // PROMPT_WINDOW_H_
diff --git a/src/kits/shared/Jamfile b/src/kits/shared/Jamfile
index 8992caa24f..2459568ac7 100644
--- a/src/kits/shared/Jamfile
+++ b/src/kits/shared/Jamfile
@@ -26,6 +26,7 @@ StaticLibrary libshared.a :
 	Keymap.cpp
 	LongAndDragTrackingFilter.cpp
 	NaturalCompare.cpp
+	PromptWindow.cpp
 	QueryFile.cpp
 	RWLockManager.cpp
 	SHA256.cpp
diff --git a/src/kits/shared/PromptWindow.cpp b/src/kits/shared/PromptWindow.cpp
new file mode 100644
index 0000000000..71bb0e9efc
--- /dev/null
+++ b/src/kits/shared/PromptWindow.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2012, Rene Gollent, rene@gollent.com.
+ * Distributed under the terms of the MIT License.
+ */
+#include "PromptWindow.h"
+
+#include <Button.h>
+#include <Catalog.h>
+#include <LayoutBuilder.h>
+#include <TextControl.h>
+
+
+static const uint32 kAcceptInput = 'acin';
+
+
+PromptWindow::PromptWindow(const char* title, const char* label,
+	BMessenger target, BMessage* message)
+	:
+	BWindow(BRect(), title, B_FLOATING_WINDOW, B_NOT_RESIZABLE
+			| B_NOT_ZOOMABLE | B_AUTO_UPDATE_SIZE_LIMITS | B_CLOSE_ON_ESCAPE),
+	fTarget(target),
+	fMessage(message)
+{
+	fTextControl = new BTextControl("promptcontrol", label, NULL,
+		new BMessage(kAcceptInput));
+	BButton* cancelButton = new BButton("Cancel", new
+		BMessage(B_QUIT_REQUESTED));
+	BButton* acceptButton = new BButton("Accept", new
+		BMessage(kAcceptInput));
+	BLayoutBuilder::Group<>(this, B_VERTICAL)
+		.Add(fTextControl)
+		.AddGroup(B_HORIZONTAL)
+			.Add(acceptButton)
+			.Add(cancelButton);
+
+	fTextControl->TextView()->SetExplicitMinSize(BSize(
+			fTextControl->TextView()->StringWidth("1234567890"), B_SIZE_UNSET));
+	fTextControl->SetTarget(this);
+	acceptButton->SetTarget(this);
+	cancelButton->SetTarget(this);
+}
+
+
+PromptWindow::~PromptWindow()
+{
+	delete fMessage;
+}
+
+
+void
+PromptWindow::MessageReceived(BMessage* message)
+{
+	switch (message->what)
+	{
+		case kAcceptInput:
+		{
+			fMessage->AddString("text", fTextControl->TextView()->Text());
+			fTarget.SendMessage(fMessage);
+			PostMessage(B_QUIT_REQUESTED);
+		}
+		default:
+		{
+			BWindow::MessageReceived(message);
+			break;
+		}
+	}
+}
+
+
+status_t
+PromptWindow::SetTarget(BMessenger messenger)
+{
+	return fTextControl->SetTarget(messenger);
+}
+
+
+status_t
+PromptWindow::SetMessage(BMessage* message)
+{
+	return fTextControl->SetMessage(message);
+}