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/*
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.cbClsExtra = 0;
wcl.cbWndExtra = 0;
wcl.hInstance = hInst;
wcl.hIcon = nullptr;
wcl.hCursor = LoadCursor(nullptr, IDC_ARROW);
wcl.hbrBackground = (HBRUSH)GetStockObject(LTGRAY_BRUSH);
wcl.lpszMenuName = nullptr;
wcl.lpszClassName = MODULNAMEW;
wcl.hIconSm = nullptr;
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) MTI_MTextDestroy(data->mtext);
{
int textLength = GetWindowTextLength(hwnd);
data->text = new wchar_t[textLength + 1];
GetWindowText(hwnd, data->text, textLength + 1);
data->mtext = MTI_MTextCreateW(data->htu, data->text);
RECT rc; GetClientRect(hwnd, &rc);
MTI_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 MTI_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;
MTI_MTextDisplay(hdc, pos, sz, data->mtext);
if (hfntSave)
SelectObject(hdc, hfntSave);
}
// Release the device context
EndPaint(hwnd, &ps);
return 0;
}
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