reactos/modules/rosapps/applications/explorer-old/taskbar/quicklaunch.cpp

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/*
* Copyright 2003, 2004, 2005 Martin Fuchs
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//
// Explorer clone
//
// quicklaunch.cpp
//
// Martin Fuchs, 22.08.2003
//
#include <precomp.h>
#include "quicklaunch.h"
QuickLaunchEntry::QuickLaunchEntry()
{
_hbmp = 0;
}
QuickLaunchMap::~QuickLaunchMap()
{
while(!empty()) {
iterator it = begin();
DeleteBitmap(it->second._hbmp);
erase(it);
}
}
QuickLaunchBar::QuickLaunchBar(HWND hwnd)
: super(hwnd)
{
CONTEXT("QuickLaunchBar::QuickLaunchBar()");
_dir = NULL;
_next_id = IDC_FIRST_QUICK_ID;
_btn_dist = 20;
_size = 0;
HWND hwndToolTip = (HWND) SendMessage(hwnd, TB_GETTOOLTIPS, 0, 0);
SetWindowStyle(hwndToolTip, GetWindowStyle(hwndToolTip)|TTS_ALWAYSTIP);
// delay refresh to some time later
PostMessage(hwnd, PM_REFRESH, 0, 0);
}
QuickLaunchBar::~QuickLaunchBar()
{
delete _dir;
}
HWND QuickLaunchBar::Create(HWND hwndParent)
{
CONTEXT("QuickLaunchBar::Create()");
ClientRect clnt(hwndParent);
HWND hwnd = CreateToolbarEx(hwndParent,
WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|WS_CLIPCHILDREN|
CCS_TOP|CCS_NODIVIDER|CCS_NOPARENTALIGN|CCS_NORESIZE|
TBSTYLE_TOOLTIPS|TBSTYLE_WRAPABLE|TBSTYLE_FLAT,
IDW_QUICKLAUNCHBAR, 0, 0, 0, NULL, 0, 0, 0, 16, 16, sizeof(TBBUTTON));
if (hwnd)
new QuickLaunchBar(hwnd);
return hwnd;
}
void QuickLaunchBar::AddShortcuts()
{
CONTEXT("QuickLaunchBar::AddShortcuts()");
WaitCursor wait;
try {
TCHAR path[MAX_PATH];
SpecialFolderFSPath app_data(CSIDL_APPDATA, _hwnd); ///@todo perhaps also look into CSIDL_COMMON_APPDATA ?
_stprintf(path, TEXT("%s\\")QUICKLAUNCH_FOLDER, (LPCTSTR)app_data);
RecursiveCreateDirectory(path);
_dir = new ShellDirectory(GetDesktopFolder(), path, _hwnd);
_dir->smart_scan(SORT_NAME);
// immediatelly extract the shortcut icons
for(Entry*entry=_dir->_down; entry; entry=entry->_next)
entry->_icon_id = entry->safe_extract_icon(ICF_NORMAL);
} catch(COMException&) {
return;
}
ShellFolder desktop_folder;
WindowCanvas canvas(_hwnd);
COLORREF bk_color = GetSysColor(COLOR_BTNFACE);
HBRUSH bk_brush = GetSysColorBrush(COLOR_BTNFACE);
AddButton(ID_MINIMIZE_ALL, g_Globals._icon_cache.get_icon(ICID_MINIMIZE).create_bitmap(bk_color, bk_brush, canvas), ResString(IDS_MINIMIZE_ALL), NULL);
AddButton(ID_EXPLORE, g_Globals._icon_cache.get_icon(ICID_EXPLORER).create_bitmap(bk_color, bk_brush, canvas), ResString(IDS_TITLE), NULL);
TBBUTTON sep = {0, -1, TBSTATE_ENABLED, BTNS_SEP, {0, 0}, 0, 0};
SendMessage(_hwnd, TB_INSERTBUTTON, INT_MAX, (LPARAM)&sep);
int cur_desktop = g_Globals._desktops._current_desktop;
ResString desktop_fmt(IDS_DESKTOP_NUM);
HDC hdc = CreateCompatibleDC(canvas);
DWORD size = SendMessage(_hwnd, TB_GETBUTTONSIZE, 0, 0);
int cx = LOWORD(size);
int cy = HIWORD(size);
RECT rect = {0, 0, cx, cy};
RECT textRect = {0, 0, cx-7, cy-7};
for(int i=0; i<DESKTOP_COUNT; ++i) {
HBITMAP hbmp = CreateCompatibleBitmap(canvas, cx, cy);
HBITMAP hbmp_old = SelectBitmap(hdc, hbmp);
FontSelection font(hdc, GetStockFont(ANSI_VAR_FONT));
FmtString num_txt(TEXT("%d"), i+1);
TextColor color(hdc, RGB(64,64,64));
BkMode mode(hdc, TRANSPARENT);
FillRect(hdc, &rect, GetSysColorBrush(COLOR_BTNFACE));
DrawText(hdc, num_txt, num_txt.length(), &textRect, DT_CENTER|DT_VCENTER|DT_SINGLELINE);
SelectBitmap(hdc, hbmp_old);
AddButton(ID_SWITCH_DESKTOP_1+i, hbmp, FmtString(desktop_fmt, i+1), NULL, cur_desktop==i?TBSTATE_ENABLED|TBSTATE_PRESSED:TBSTATE_ENABLED);
}
DeleteDC(hdc);
for(Entry*entry=_dir->_down; entry; entry=entry->_next) {
// hide files like "desktop.ini"
if (entry->_data.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN)
continue;
// hide subfolders
if (!(entry->_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
HBITMAP hbmp = g_Globals._icon_cache.get_icon(entry->_icon_id).create_bitmap(bk_color, bk_brush, canvas);
AddButton(_next_id++, hbmp, entry->_display_name, entry); //entry->_etype==ET_SHELL? desktop_folder.get_name(static_cast<ShellEntry*>(entry)->_pidl): entry->_display_name);
}
}
_btn_dist = LOWORD(SendMessage(_hwnd, TB_GETBUTTONSIZE, 0, 0));
_size = _entries.size() * _btn_dist;
SendMessage(GetParent(_hwnd), PM_RESIZE_CHILDREN, 0, 0);
}
void QuickLaunchBar::AddButton(int id, HBITMAP hbmp, LPCTSTR name, Entry* entry, int flags)
{
TBADDBITMAP ab = {0, (UINT_PTR)hbmp};
int bmp_idx = SendMessage(_hwnd, TB_ADDBITMAP, 1, (LPARAM)&ab);
QuickLaunchEntry qle;
qle._hbmp = hbmp;
qle._title = name;
qle._entry = entry;
_entries[id] = qle;
TBBUTTON btn = {0, 0, (BYTE)flags, BTNS_BUTTON|BTNS_NOPREFIX, {0, 0}, 0, 0};
btn.idCommand = id;
btn.iBitmap = bmp_idx;
SendMessage(_hwnd, TB_INSERTBUTTON, INT_MAX, (LPARAM)&btn);
}
void QuickLaunchBar::UpdateDesktopButtons(int desktop_idx)
{
for(int i=0; i<DESKTOP_COUNT; ++i) {
TBBUTTONINFO tbi = {sizeof(TBBUTTONINFO), TBIF_STATE, 0, 0, (BYTE)(desktop_idx==i? TBSTATE_ENABLED|TBSTATE_PRESSED: TBSTATE_ENABLED)};
SendMessage(_hwnd, TB_SETBUTTONINFO, ID_SWITCH_DESKTOP_1+i, (LPARAM)&tbi);
}
}
LRESULT QuickLaunchBar::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
switch(nmsg) {
case PM_REFRESH:
AddShortcuts();
break;
case PM_GET_WIDTH: {
// take line wrapping into account
int btns = SendMessage(_hwnd, TB_BUTTONCOUNT, 0, 0);
int rows = SendMessage(_hwnd, TB_GETROWS, 0, 0);
if (rows<2 || rows==btns)
return _size;
RECT rect;
int max_cx = 0;
for(QuickLaunchMap::const_iterator it=_entries.begin(); it!=_entries.end(); ++it) {
SendMessage(_hwnd, TB_GETRECT, it->first, (LPARAM)&rect);
if (rect.right > max_cx)
max_cx = rect.right;
}
return max_cx;}
case PM_UPDATE_DESKTOP:
UpdateDesktopButtons(wparam);
break;
case WM_CONTEXTMENU: {
TBBUTTON btn;
QuickLaunchMap::iterator it;
Point screen_pt(lparam), clnt_pt=screen_pt;
ScreenToClient(_hwnd, &clnt_pt);
Entry* entry = NULL;
int idx = SendMessage(_hwnd, TB_HITTEST, 0, (LPARAM)&clnt_pt);
if (idx>=0 &&
SendMessage(_hwnd, TB_GETBUTTON, idx, (LPARAM)&btn)!=-1 &&
(it=_entries.find(btn.idCommand))!=_entries.end()) {
entry = it->second._entry;
}
if (entry) { // entry is NULL for desktop switch buttons
HRESULT hr = entry->do_context_menu(_hwnd, screen_pt, _cm_ifs);
if (!SUCCEEDED(hr))
CHECKERROR(hr);
} else
goto def;
break;}
default: def:
return super::WndProc(nmsg, wparam, lparam);
}
return 0;
}
int QuickLaunchBar::Command(int id, int code)
{
CONTEXT("QuickLaunchBar::Command()");
if ((id&~0xFF) == IDC_FIRST_QUICK_ID) {
QuickLaunchEntry& qle = _entries[id];
if (qle._entry) {
qle._entry->launch_entry(_hwnd);
return 0;
}
}
return 0; // Don't return 1 to avoid recursion with DesktopBar::Command()
}
int QuickLaunchBar::Notify(int id, NMHDR* pnmh)
{
switch(pnmh->code) {
case TTN_GETDISPINFO: {
NMTTDISPINFO* ttdi = (NMTTDISPINFO*) pnmh;
int id = ttdi->hdr.idFrom;
ttdi->lpszText = _entries[id]._title.str();
#ifdef TTF_DI_SETITEM
ttdi->uFlags |= TTF_DI_SETITEM;
#endif
// enable multiline tooltips (break at CR/LF and for very long one-line strings)
SendMessage(pnmh->hwndFrom, TTM_SETMAXTIPWIDTH, 0, 400);
break;}
return super::Notify(id, pnmh);
}
return 0;
}