mTextControl moved to /libs

1 files changed, 146 insertions, 0 deletions

diff --git a/libs/mTextControl/src/textcontrol.cpp b/libs/mTextControl/src/textcontrol.cpp
new file mode 100644
index 0000000000..fe4c70ea12
--- /dev/null
+++ b/libs/mTextControl/src/textcontrol.cpp
@@ -0,0 +1,146 @@
+/*
+Miranda Text Control - Plugin for Miranda IM
+Copyright (C) 2005 Victor Pavlychko (nullbie@gmail.com)
+
+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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "stdafx.h"
+
+LRESULT CALLBACK MTextControlWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
+LRESULT MTextControl_OnPaint(HWND hwnd, WPARAM wParam, LPARAM lParam);
+//LRESULT MTextControl_Measure(HWND hwnd, int maxw, SIZE *size);
+
+struct TextControlData
+{
+	HANDLE htu;
+	wchar_t *text;
+	HANDLE mtext;
+};
+
+void MTextControl_RegisterClass()
+{
+	WNDCLASSEX wcl = {};
+	wcl.cbSize = sizeof(wcl);
+	wcl.lpfnWndProc = MTextControlWndProc;
+	wcl.style = CS_GLOBALCLASS;
+	wcl.hInstance = g_hInst;
+	wcl.hCursor = LoadCursor(nullptr, IDC_ARROW);
+	wcl.hbrBackground = (HBRUSH)GetStockObject(LTGRAY_BRUSH);
+	wcl.lpszClassName = L"MTextControl";
+	RegisterClassEx(&wcl);
+}
+
+LRESULT CALLBACK MTextControlWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+	TextControlData *data = (TextControlData *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
+	switch (msg) {
+	case WM_CREATE:
+		data = new TextControlData;
+		data->text = nullptr;
+		data->mtext = nullptr;
+		data->htu = htuDefault;
+		SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)data);
+		PostMessage(hwnd, MTM_UPDATE, 0, 0);
+		return 0;
+
+	case MTM_SETUSER:
+		data->htu = wParam ? (HANDLE)wParam : htuDefault;
+		// falldown, DefWindowProc won't process WM_USER ;)
+
+	case WM_SETTEXT:
+		DefWindowProc(hwnd, msg, wParam, lParam);
+		// falldown
+
+	case MTM_UPDATE:
+		if (data->text) delete[] data->text;
+		if (data->mtext) MTextDestroy(data->mtext);
+		{
+			int textLength = GetWindowTextLength(hwnd);
+			data->text = new wchar_t[textLength + 1];
+			GetWindowText(hwnd, data->text, textLength + 1);
+			data->mtext = MTextCreateW(data->htu, data->text);
+
+			RECT rc; GetClientRect(hwnd, &rc);
+			MTextSetParent(data->mtext, hwnd, rc);
+
+			InvalidateRect(hwnd, nullptr, TRUE);
+		}
+		return TRUE;
+
+	case WM_PAINT:
+		return MTextControl_OnPaint(hwnd, wParam, lParam);
+
+	case WM_ERASEBKGND:
+		RECT rc;
+		GetClientRect(hwnd, &rc);
+		FillRect((HDC)wParam, &rc, GetSysColorBrush(COLOR_BTNFACE));
+		return TRUE;
+
+	case WM_MOUSEMOVE:
+		if (data && data->mtext)
+			return MTextSendMessage(hwnd, data->mtext, msg, wParam, lParam);
+		break;
+	}
+
+	return DefWindowProc(hwnd, msg, wParam, lParam);
+}
+
+/// Paint ////////////////////////////////////
+LRESULT MTextControl_OnPaint(HWND hwnd, WPARAM, LPARAM)
+{
+	PAINTSTRUCT ps;
+	HDC hdc = BeginPaint(hwnd, &ps);
+	{
+		RECT rc;
+		GetClientRect(hwnd, &rc);
+		FrameRect(hdc, &rc, (HBRUSH)GetStockObject(BLACK_BRUSH));
+	}
+
+	SetTextColor(hdc, RGB(0, 0, 0));
+	SetBkMode(hdc, TRANSPARENT);
+
+	// Find the text to draw
+	TextControlData *data = (TextControlData *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
+	if (data->mtext) {
+		HFONT hfntSave = nullptr;
+		HFONT hfnt = (HFONT)SendMessage(hwnd, WM_GETFONT, 0, 0);
+		if (!hfnt)
+			hfnt = (HFONT)SendMessage(GetParent(hwnd), WM_GETFONT, 0, 0);
+		if (hfnt) {
+			LOGFONT lf;
+			GetObject(hfnt, sizeof(lf), &lf);
+			hfntSave = (HFONT)SelectObject(hdc, hfnt);
+		}
+
+		// Draw the text
+		RECT rc;
+		GetClientRect(hwnd, &rc);
+		POINT pos;
+		pos.x = 0;
+		pos.y = 2;
+		SIZE sz;
+		sz.cx = rc.right - rc.left;
+		sz.cy = rc.bottom - rc.top - 4;
+		MTextDisplay(hdc, pos, sz, data->mtext);
+
+		if (hfntSave)
+			SelectObject(hdc, hfntSave);
+	}
+
+	// Release the device context
+	EndPaint(hwnd, &ps);
+	return 0;
+}