| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: msw/control.cpp |
| 3 | // Purpose: wxControl class |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 01/02/97 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 21 | #pragma implementation "control.h" |
| 22 | #endif |
| 23 | |
| 24 | // For compilers that support precompilation, includes "wx.h". |
| 25 | #include "wx/wxprec.h" |
| 26 | |
| 27 | #ifdef __BORLANDC__ |
| 28 | #pragma hdrstop |
| 29 | #endif |
| 30 | |
| 31 | #if wxUSE_CONTROLS |
| 32 | |
| 33 | #ifndef WX_PRECOMP |
| 34 | #include "wx/event.h" |
| 35 | #include "wx/app.h" |
| 36 | #include "wx/dcclient.h" |
| 37 | #include "wx/log.h" |
| 38 | #include "wx/settings.h" |
| 39 | #endif |
| 40 | |
| 41 | #include "wx/control.h" |
| 42 | |
| 43 | #if wxUSE_NOTEBOOK |
| 44 | #include "wx/notebook.h" |
| 45 | #endif // wxUSE_NOTEBOOK |
| 46 | |
| 47 | #include "wx/msw/private.h" |
| 48 | #include "wx/msw/uxtheme.h" |
| 49 | |
| 50 | #if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)) |
| 51 | #include <commctrl.h> |
| 52 | #endif |
| 53 | |
| 54 | // ---------------------------------------------------------------------------- |
| 55 | // wxWin macros |
| 56 | // ---------------------------------------------------------------------------- |
| 57 | |
| 58 | IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow) |
| 59 | |
| 60 | // ============================================================================ |
| 61 | // wxControl implementation |
| 62 | // ============================================================================ |
| 63 | |
| 64 | // ---------------------------------------------------------------------------- |
| 65 | // wxControl ctor/dtor |
| 66 | // ---------------------------------------------------------------------------- |
| 67 | |
| 68 | wxControl::~wxControl() |
| 69 | { |
| 70 | m_isBeingDeleted = true; |
| 71 | } |
| 72 | |
| 73 | // ---------------------------------------------------------------------------- |
| 74 | // control window creation |
| 75 | // ---------------------------------------------------------------------------- |
| 76 | |
| 77 | bool wxControl::Create(wxWindow *parent, |
| 78 | wxWindowID id, |
| 79 | const wxPoint& pos, |
| 80 | const wxSize& size, |
| 81 | long style, |
| 82 | const wxValidator& wxVALIDATOR_PARAM(validator), |
| 83 | const wxString& name) |
| 84 | { |
| 85 | if ( !wxWindow::Create(parent, id, pos, size, style, name) ) |
| 86 | return false; |
| 87 | |
| 88 | #if wxUSE_VALIDATORS |
| 89 | SetValidator(validator); |
| 90 | #endif |
| 91 | |
| 92 | return true; |
| 93 | } |
| 94 | |
| 95 | bool wxControl::MSWCreateControl(const wxChar *classname, |
| 96 | const wxString& label, |
| 97 | const wxPoint& pos, |
| 98 | const wxSize& size) |
| 99 | { |
| 100 | WXDWORD exstyle; |
| 101 | WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), &exstyle); |
| 102 | |
| 103 | return MSWCreateControl(classname, msStyle, pos, size, label, exstyle); |
| 104 | } |
| 105 | |
| 106 | bool wxControl::MSWCreateControl(const wxChar *classname, |
| 107 | WXDWORD style, |
| 108 | const wxPoint& pos, |
| 109 | const wxSize& size, |
| 110 | const wxString& label, |
| 111 | WXDWORD exstyle) |
| 112 | { |
| 113 | // if no extended style given, determine it ourselves |
| 114 | if ( exstyle == (WXDWORD)-1 ) |
| 115 | { |
| 116 | exstyle = 0; |
| 117 | (void) MSWGetStyle(GetWindowStyle(), &exstyle); |
| 118 | } |
| 119 | |
| 120 | // all controls should have this style |
| 121 | style |= WS_CHILD; |
| 122 | |
| 123 | // create the control visible if it's currently shown for wxWidgets |
| 124 | if ( m_isShown ) |
| 125 | { |
| 126 | style |= WS_VISIBLE; |
| 127 | } |
| 128 | |
| 129 | // choose the position for the control: we have a problem with default size |
| 130 | // here as we can't calculate the best size before the control exists |
| 131 | // (DoGetBestSize() may need to use m_hWnd), so just choose the minimal |
| 132 | // possible but non 0 size because 0 window width/height result in problems |
| 133 | // elsewhere |
| 134 | int x = pos.x == wxDefaultCoord ? 0 : pos.x, |
| 135 | y = pos.y == wxDefaultCoord ? 0 : pos.y, |
| 136 | w = size.x == wxDefaultCoord ? 1 : size.x, |
| 137 | h = size.y == wxDefaultCoord ? 1 : size.y; |
| 138 | |
| 139 | // ... and adjust it to account for a possible parent frames toolbar |
| 140 | AdjustForParentClientOrigin(x, y); |
| 141 | |
| 142 | m_hWnd = (WXHWND)::CreateWindowEx |
| 143 | ( |
| 144 | exstyle, // extended style |
| 145 | classname, // the kind of control to create |
| 146 | label, // the window name |
| 147 | style, // the window style |
| 148 | x, y, w, h, // the window position and size |
| 149 | GetHwndOf(GetParent()), // parent |
| 150 | (HMENU)GetId(), // child id |
| 151 | wxGetInstance(), // app instance |
| 152 | NULL // creation parameters |
| 153 | ); |
| 154 | |
| 155 | if ( !m_hWnd ) |
| 156 | { |
| 157 | #ifdef __WXDEBUG__ |
| 158 | wxFAIL_MSG(wxString::Format |
| 159 | ( |
| 160 | _T("CreateWindowEx(\"%s\", flags=%08x, ex=%08x) failed"), |
| 161 | classname, (unsigned int)style, (unsigned int)exstyle |
| 162 | )); |
| 163 | #endif // __WXDEBUG__ |
| 164 | |
| 165 | return false; |
| 166 | } |
| 167 | |
| 168 | // install wxWidgets window proc for this window |
| 169 | SubclassWin(m_hWnd); |
| 170 | |
| 171 | // set up fonts and colours |
| 172 | InheritAttributes(); |
| 173 | if (!m_hasFont) |
| 174 | SetFont(GetDefaultAttributes().font); |
| 175 | |
| 176 | // set the size now if no initial size specified |
| 177 | SetInitialBestSize(size); |
| 178 | |
| 179 | return true; |
| 180 | } |
| 181 | |
| 182 | // ---------------------------------------------------------------------------- |
| 183 | // various accessors |
| 184 | // ---------------------------------------------------------------------------- |
| 185 | |
| 186 | wxBorder wxControl::GetDefaultBorder() const |
| 187 | { |
| 188 | // we want to automatically give controls a sunken style (confusingly, |
| 189 | // it may not really mean sunken at all as we map it to WS_EX_CLIENTEDGE |
| 190 | // which is not sunken at all under Windows XP -- rather, just the default) |
| 191 | #if defined(__POCKETPC__) || defined(__SMARTPHONE__) |
| 192 | return wxBORDER_SIMPLE; |
| 193 | #else |
| 194 | return wxBORDER_SUNKEN; |
| 195 | #endif |
| 196 | } |
| 197 | |
| 198 | WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const |
| 199 | { |
| 200 | long msStyle = wxWindow::MSWGetStyle(style, exstyle); |
| 201 | |
| 202 | if ( AcceptsFocus() ) |
| 203 | { |
| 204 | msStyle |= WS_TABSTOP; |
| 205 | } |
| 206 | |
| 207 | return msStyle; |
| 208 | } |
| 209 | |
| 210 | wxSize wxControl::DoGetBestSize() const |
| 211 | { |
| 212 | return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT); |
| 213 | } |
| 214 | |
| 215 | // This is a helper for all wxControls made with UPDOWN native control. |
| 216 | // In wxMSW it was only wxSpinCtrl derived from wxSpinButton but in |
| 217 | // WinCE of Smartphones this happens also for native wxTextCtrl, |
| 218 | // wxChoice and others. |
| 219 | wxSize wxControl::GetBestSpinnerSize(const bool is_vertical) const |
| 220 | { |
| 221 | // take size according to layout |
| 222 | wxSize bestSize( |
| 223 | #if defined(__SMARTPHONE__) && defined(__WXWINCE__) |
| 224 | 0,GetCharHeight() |
| 225 | #else |
| 226 | ::GetSystemMetrics(is_vertical ? SM_CXVSCROLL : SM_CXHSCROLL), |
| 227 | ::GetSystemMetrics(is_vertical ? SM_CYVSCROLL : SM_CYHSCROLL) |
| 228 | #endif |
| 229 | ); |
| 230 | |
| 231 | // correct size as for undocumented MSW variants cases (WinCE and perhaps others) |
| 232 | if (bestSize.x==0) |
| 233 | bestSize.x = bestSize.y; |
| 234 | if (bestSize.y==0) |
| 235 | bestSize.y = bestSize.x; |
| 236 | |
| 237 | // double size according to layout |
| 238 | if (is_vertical) |
| 239 | bestSize.y *= 2; |
| 240 | else |
| 241 | bestSize.x *= 2; |
| 242 | |
| 243 | return bestSize; |
| 244 | } |
| 245 | |
| 246 | /* static */ wxVisualAttributes |
| 247 | wxControl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) |
| 248 | { |
| 249 | wxVisualAttributes attrs; |
| 250 | |
| 251 | // old school (i.e. not "common") controls use the standard dialog font |
| 252 | // by default |
| 253 | attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); |
| 254 | |
| 255 | // most, or at least many, of the controls use the same colours as the |
| 256 | // buttons -- others will have to override this (and possibly simply call |
| 257 | // GetCompositeControlsDefaultAttributes() from their versions) |
| 258 | attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT); |
| 259 | attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); |
| 260 | |
| 261 | return attrs; |
| 262 | } |
| 263 | |
| 264 | // another version for the "composite", i.e. non simple controls |
| 265 | /* static */ wxVisualAttributes |
| 266 | wxControl::GetCompositeControlsDefaultAttributes(wxWindowVariant WXUNUSED(variant)) |
| 267 | { |
| 268 | wxVisualAttributes attrs; |
| 269 | attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); |
| 270 | attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); |
| 271 | attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); |
| 272 | |
| 273 | return attrs; |
| 274 | } |
| 275 | |
| 276 | // ---------------------------------------------------------------------------- |
| 277 | // message handling |
| 278 | // ---------------------------------------------------------------------------- |
| 279 | |
| 280 | bool wxControl::ProcessCommand(wxCommandEvent& event) |
| 281 | { |
| 282 | return GetEventHandler()->ProcessEvent(event); |
| 283 | } |
| 284 | |
| 285 | #ifdef __WIN95__ |
| 286 | bool wxControl::MSWOnNotify(int idCtrl, |
| 287 | WXLPARAM lParam, |
| 288 | WXLPARAM* result) |
| 289 | { |
| 290 | wxEventType eventType wxDUMMY_INITIALIZE(wxEVT_NULL); |
| 291 | |
| 292 | NMHDR *hdr = (NMHDR*) lParam; |
| 293 | switch ( hdr->code ) |
| 294 | { |
| 295 | case NM_CLICK: |
| 296 | eventType = wxEVT_COMMAND_LEFT_CLICK; |
| 297 | break; |
| 298 | |
| 299 | case NM_DBLCLK: |
| 300 | eventType = wxEVT_COMMAND_LEFT_DCLICK; |
| 301 | break; |
| 302 | |
| 303 | case NM_RCLICK: |
| 304 | eventType = wxEVT_COMMAND_RIGHT_CLICK; |
| 305 | break; |
| 306 | |
| 307 | case NM_RDBLCLK: |
| 308 | eventType = wxEVT_COMMAND_RIGHT_DCLICK; |
| 309 | break; |
| 310 | |
| 311 | case NM_SETFOCUS: |
| 312 | eventType = wxEVT_COMMAND_SET_FOCUS; |
| 313 | break; |
| 314 | |
| 315 | case NM_KILLFOCUS: |
| 316 | eventType = wxEVT_COMMAND_KILL_FOCUS; |
| 317 | break; |
| 318 | |
| 319 | case NM_RETURN: |
| 320 | eventType = wxEVT_COMMAND_ENTER; |
| 321 | break; |
| 322 | |
| 323 | default: |
| 324 | return wxWindow::MSWOnNotify(idCtrl, lParam, result); |
| 325 | } |
| 326 | |
| 327 | wxCommandEvent event(wxEVT_NULL, m_windowId); |
| 328 | event.SetEventType(eventType); |
| 329 | event.SetEventObject(this); |
| 330 | |
| 331 | return GetEventHandler()->ProcessEvent(event); |
| 332 | } |
| 333 | #endif // Win95 |
| 334 | |
| 335 | WXHBRUSH wxControl::DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd) |
| 336 | { |
| 337 | HDC hdc = (HDC)pDC; |
| 338 | if ( m_hasFgCol ) |
| 339 | { |
| 340 | ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); |
| 341 | } |
| 342 | |
| 343 | WXHBRUSH hbr = 0; |
| 344 | if ( !colBg.Ok() ) |
| 345 | { |
| 346 | hbr = MSWGetBgBrush(pDC, hWnd); |
| 347 | |
| 348 | // if the control doesn't have any bg colour, foreground colour will be |
| 349 | // ignored as the return value would be 0 -- so forcefully give it a |
| 350 | // non default background brush in this case |
| 351 | if ( !hbr && m_hasFgCol ) |
| 352 | colBg = GetBackgroundColour(); |
| 353 | } |
| 354 | |
| 355 | // use the background colour override if a valid colour is given |
| 356 | if ( colBg.Ok() ) |
| 357 | { |
| 358 | ::SetBkColor(hdc, wxColourToRGB(colBg)); |
| 359 | |
| 360 | // draw children with the same colour as the parent |
| 361 | wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBg, wxSOLID); |
| 362 | |
| 363 | hbr = (WXHBRUSH)brush->GetResourceHandle(); |
| 364 | |
| 365 | // if we use custom background, we should set foreground ourselves too |
| 366 | if ( !m_hasFgCol ) |
| 367 | { |
| 368 | ::SetTextColor(hdc, ::GetSysColor(COLOR_WINDOWTEXT)); |
| 369 | } |
| 370 | //else: already set above |
| 371 | } |
| 372 | |
| 373 | return hbr; |
| 374 | } |
| 375 | |
| 376 | WXHBRUSH wxControl::MSWControlColor(WXHDC pDC, WXHWND hWnd) |
| 377 | { |
| 378 | wxColour colBg; |
| 379 | |
| 380 | if ( HasTransparentBackground() ) |
| 381 | ::SetBkMode((HDC)pDC, TRANSPARENT); |
| 382 | else // if the control is opaque it shouldn't use the parents background |
| 383 | colBg = GetBackgroundColour(); |
| 384 | |
| 385 | return DoMSWControlColor(pDC, colBg, hWnd); |
| 386 | } |
| 387 | |
| 388 | WXHBRUSH wxControl::MSWControlColorDisabled(WXHDC pDC) |
| 389 | { |
| 390 | return DoMSWControlColor(pDC, |
| 391 | wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), |
| 392 | GetHWND()); |
| 393 | } |
| 394 | |
| 395 | // --------------------------------------------------------------------------- |
| 396 | // global functions |
| 397 | // --------------------------------------------------------------------------- |
| 398 | |
| 399 | // this is used in radiobox.cpp and slider95.cpp and should be removed as soon |
| 400 | // as it is not needed there any more! |
| 401 | // |
| 402 | // Call this repeatedly for several wnds to find the overall size |
| 403 | // of the widget. |
| 404 | // Call it initially with wxDefaultCoord for all values in rect. |
| 405 | // Keep calling for other widgets, and rect will be modified |
| 406 | // to calculate largest bounding rectangle. |
| 407 | void wxFindMaxSize(WXHWND wnd, RECT *rect) |
| 408 | { |
| 409 | int left = rect->left; |
| 410 | int right = rect->right; |
| 411 | int top = rect->top; |
| 412 | int bottom = rect->bottom; |
| 413 | |
| 414 | GetWindowRect((HWND) wnd, rect); |
| 415 | |
| 416 | if (left < 0) |
| 417 | return; |
| 418 | |
| 419 | if (left < rect->left) |
| 420 | rect->left = left; |
| 421 | |
| 422 | if (right > rect->right) |
| 423 | rect->right = right; |
| 424 | |
| 425 | if (top < rect->top) |
| 426 | rect->top = top; |
| 427 | |
| 428 | if (bottom > rect->bottom) |
| 429 | rect->bottom = bottom; |
| 430 | } |
| 431 | |
| 432 | #endif // wxUSE_CONTROLS |