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/*
Miranda NG: the free IM client for Microsoft* Windows*
Copyright (C) 2012-20 Miranda NG team (https://miranda-ng.org),
Copyright (c) 2000-03 Miranda ICQ/IM project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
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"
#define WM_DOCKCALLBACK (WM_USER+121)
#define WM_CREATEDOCKED (WM_USER+122)
#define EDGESENSITIVITY 3
#define DOCKED_NONE 0
#define DOCKED_LEFT 1
#define DOCKED_RIGHT 2
static int docked;
extern RECT cluiPos;
static void Docking_GetMonitorRectFromPoint(POINT pt, RECT *rc)
{
MONITORINFO monitorInfo;
HMONITOR hMonitor = MonitorFromPoint(pt, MONITOR_DEFAULTTONEAREST); // always returns a valid value
monitorInfo.cbSize = sizeof(MONITORINFO);
if (GetMonitorInfo(hMonitor, &monitorInfo)) {
memcpy(rc, &monitorInfo.rcMonitor, sizeof(RECT));
return;
}
// "generic" win95/NT support, also serves as failsafe
rc->left = 0;
rc->top = 0;
rc->bottom = GetSystemMetrics(SM_CYSCREEN);
rc->right = GetSystemMetrics(SM_CXSCREEN);
}
static void Docking_GetMonitorRectFromWindow(HWND hWnd, RECT *rc)
{
POINT ptWindow;
GetWindowRect(hWnd, rc);
ptWindow.x = rc->left;
ptWindow.y = rc->top;
Docking_GetMonitorRectFromPoint(ptWindow, rc);
}
static void Docking_AdjustPosition(HWND hwnd, RECT *rcDisplay, RECT *rc)
{
APPBARDATA abd;
memset(&abd, 0, sizeof(abd));
abd.cbSize = sizeof(abd);
abd.hWnd = hwnd;
abd.uEdge = docked == DOCKED_LEFT ? ABE_LEFT : ABE_RIGHT;
abd.rc = *rc;
abd.rc.top = rcDisplay->top;
abd.rc.bottom = rcDisplay->bottom;
if (docked == DOCKED_LEFT) {
abd.rc.right = rcDisplay->left + (abd.rc.right - abd.rc.left) - cfg::dat.bClipBorder;
abd.rc.left = rcDisplay->left - cfg::dat.bClipBorder;
}
else {
abd.rc.left = rcDisplay->right - (abd.rc.right - abd.rc.left) + cfg::dat.bClipBorder;
abd.rc.right = rcDisplay->right + cfg::dat.bClipBorder;
}
SHAppBarMessage(ABM_SETPOS, &abd);
*rc = abd.rc;
}
int Docking_IsDocked(WPARAM, LPARAM)
{
return docked;
}
int Docking_ProcessWindowMessage(WPARAM wParam, LPARAM lParam)
{
APPBARDATA abd;
static int draggingTitle;
MSG *msg = (MSG *)wParam;
if (msg->message == WM_DESTROY)
g_plugin.setByte("Docked", (BYTE)docked);
if (!docked && msg->message != WM_CREATE && msg->message != WM_MOVING && msg->message != WM_CREATEDOCKED && msg->message != WM_MOVE)
return 0;
switch (msg->message) {
case WM_CREATE:
//if (GetSystemMetrics(SM_CMONITORS)>1) return 0;
if (g_plugin.getByte("Docked", 0))
PostMessage(msg->hwnd, WM_CREATEDOCKED, 0, 0);
draggingTitle = 0;
return 0;
case WM_CREATEDOCKED:
//we need to post a message just after creation to let main message function do some work
docked = (int)(char)g_plugin.getByte("Docked", 0);
if (IsWindowVisible(msg->hwnd) && !IsIconic(msg->hwnd)) {
RECT rc, rcMonitor;
memset(&abd, 0, sizeof(abd));
abd.cbSize = sizeof(abd);
abd.hWnd = msg->hwnd;
abd.lParam = 0;
abd.uCallbackMessage = WM_DOCKCALLBACK;
SHAppBarMessage(ABM_NEW, &abd);
GetWindowRect(msg->hwnd, &rc);
Docking_GetMonitorRectFromWindow(msg->hwnd, &rcMonitor);
Docking_AdjustPosition(msg->hwnd, &rcMonitor, &rc);
MoveWindow(msg->hwnd, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, TRUE);
}
break;
case WM_ACTIVATE:
memset(&abd, 0, sizeof(abd));
abd.cbSize = sizeof(abd);
abd.hWnd = msg->hwnd;
SHAppBarMessage(ABM_ACTIVATE, &abd);
return 0;
case WM_WINDOWPOSCHANGED:
memset(&abd, 0, sizeof(abd));
abd.cbSize = sizeof(abd);
abd.hWnd = msg->hwnd;
SHAppBarMessage(ABM_WINDOWPOSCHANGED, &abd);
return 0;
case WM_MOVING:
{
RECT rcMonitor;
POINT ptCursor;
// stop early
if (GetAsyncKeyState(VK_CONTROL) & 0x8000)
return 0;
// GetMessagePos() is no good, position is always unsigned
GetCursorPos(&ptCursor);
Docking_GetMonitorRectFromPoint(ptCursor, &rcMonitor);
if ((ptCursor.x < rcMonitor.left + EDGESENSITIVITY) || (ptCursor.x >= rcMonitor.right - EDGESENSITIVITY)) {
if (!(GetWindowLongPtr(msg->hwnd, GWL_EXSTYLE) & WS_EX_TOOLWINDOW)) {
SendMessage(msg->hwnd, CLUIINTM_REDRAW, 0, 0);
MessageBox(nullptr, TranslateT("The contact list cannot be docked when using the default title bar and border. Use a toolwindow or borderless style instead."),
TranslateT("Contact list docking"), MB_OK);
return 0;
}
memset(&abd, 0, sizeof(abd));
abd.cbSize = sizeof(abd);
abd.hWnd = msg->hwnd;
abd.lParam = 0;
abd.uCallbackMessage = WM_DOCKCALLBACK;
SHAppBarMessage(ABM_NEW, &abd);
if (ptCursor.x < rcMonitor.left + EDGESENSITIVITY)
docked = DOCKED_LEFT;
else
docked = DOCKED_RIGHT;
SendMessage(msg->hwnd, WM_LBUTTONUP, 0, MAKELPARAM(ptCursor.x, ptCursor.y));
GetWindowRect(msg->hwnd, (LPRECT)msg->lParam);
Docking_AdjustPosition(msg->hwnd, (LPRECT)&rcMonitor, (LPRECT)msg->lParam);
PostMessage(msg->hwnd, CLUIINTM_REDRAW, 0, 0);
return TRUE;
}
}
return 0;
case WM_MOVE:
if (docked) {
RECT rc, rcMonitor;
Docking_GetMonitorRectFromWindow(msg->hwnd, &rcMonitor);
GetWindowRect(msg->hwnd, &rc);
Docking_AdjustPosition(msg->hwnd, &rcMonitor, &rc);
MoveWindow(msg->hwnd, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, TRUE);
return 1;
}
return 0;
case WM_SIZING:
{
RECT rcMonitor;
Docking_GetMonitorRectFromWindow(msg->hwnd, &rcMonitor);
Docking_AdjustPosition(msg->hwnd, &rcMonitor, (LPRECT)msg->lParam);
*((LRESULT *)lParam) = TRUE;
}
return TRUE;
case WM_SHOWWINDOW:
if (msg->lParam)
return 0;
if ((msg->wParam && docked < 0) || (!msg->wParam && docked > 0))
docked = -docked;
memset(&abd, 0, sizeof(abd));
abd.cbSize = sizeof(abd);
abd.hWnd = msg->hwnd;
if (msg->wParam) {
RECT rc, rcMonitor;
Docking_GetMonitorRectFromWindow(msg->hwnd, &rcMonitor);
abd.lParam = 0;
abd.uCallbackMessage = WM_DOCKCALLBACK;
SHAppBarMessage(ABM_NEW, &abd);
GetWindowRect(msg->hwnd, &rc);
Docking_AdjustPosition(msg->hwnd, &rcMonitor, &rc);
MoveWindow(msg->hwnd, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, FALSE);
}
else SHAppBarMessage(ABM_REMOVE, &abd);
return 0;
case WM_NCHITTEST:
{
LONG result = DefWindowProc(msg->hwnd, WM_NCHITTEST, msg->wParam, msg->lParam);
if (result == HTSIZE || result == HTTOP || result == HTTOPLEFT || result == HTTOPRIGHT || result == HTBOTTOM || result == HTBOTTOMRIGHT || result == HTBOTTOMLEFT) {
*((LRESULT *)lParam) = HTCLIENT; return TRUE;
}
if (docked == DOCKED_LEFT && result == HTLEFT) {
*((LRESULT *)lParam) = HTCLIENT; return TRUE;
}
if (docked == DOCKED_RIGHT && result == HTRIGHT) {
*((LRESULT *)lParam) = HTCLIENT; return TRUE;
}
}
return 0;
case WM_SYSCOMMAND:
if ((msg->wParam & 0xFFF0) != SC_MOVE)
return 0;
SetActiveWindow(msg->hwnd);
SetCapture(msg->hwnd);
draggingTitle = 1;
*((LRESULT *)lParam) = 0;
return TRUE;
case WM_MOUSEMOVE:
if (!draggingTitle)
return 0; {
RECT rc;
POINT pt;
GetClientRect(msg->hwnd, &rc);
if (((docked == DOCKED_LEFT || docked == -DOCKED_LEFT) && (short)LOWORD(msg->lParam) > rc.right) || ((docked == DOCKED_RIGHT || docked == -DOCKED_RIGHT) && (short)LOWORD(msg->lParam) < 0)) {
ReleaseCapture();
draggingTitle = 0;
memset(&abd, 0, sizeof(abd));
abd.cbSize = sizeof(abd);
abd.hWnd = msg->hwnd;
SHAppBarMessage(ABM_REMOVE, &abd);
docked = 0;
GetCursorPos(&pt);
PostMessage(msg->hwnd, WM_NCLBUTTONDOWN, HTCAPTION, MAKELPARAM(pt.x, pt.y));
SetWindowPos(msg->hwnd, nullptr, pt.x - rc.right / 2, pt.y - GetSystemMetrics(SM_CYFRAME) - GetSystemMetrics(SM_CYSMCAPTION) / 2, cluiPos.right, cluiPos.bottom, SWP_NOZORDER);
}
}
return 1;
case WM_LBUTTONUP:
if (draggingTitle) {
ReleaseCapture();
draggingTitle = 0;
}
return 0;
case WM_DOCKCALLBACK:
switch (msg->wParam) {
case ABN_WINDOWARRANGE:
ShowWindow(msg->hwnd, msg->lParam ? SW_HIDE : SW_SHOW);
break;
}
return TRUE;
case WM_DESTROY:
if (docked > 0) {
memset(&abd, 0, sizeof(abd));
abd.cbSize = sizeof(abd);
abd.hWnd = msg->hwnd;
SHAppBarMessage(ABM_REMOVE, &abd);
}
return 0;
}
return 0;
}
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