widget/windows/nsWindowDefs.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef WindowDefs_h__
   7 #define WindowDefs_h__
   8
   9 /*
  10  * nsWindowDefs - nsWindow related definitions, consts, and macros.
  11  */
  12
  13 #include "mozilla/widget/WinMessages.h"
  14 #include "nsBaseWidget.h"
  15 #include "nsdefs.h"
  16 #include "resource.h"
  17
  18 /**************************************************************
  19  *
  20  * SECTION: defines
  21  *
  22  **************************************************************/
  23
  24 // ConstrainPosition window positioning slop value
  25 #define kWindowPositionSlop 20
  26
  27 // Don't put more than this many rects in the dirty region, just fluff
  28 // out to the bounding-box if there are more
  29 #define MAX_RECTS_IN_REGION 100
  30
  31 // Tablet PC Mouse Input Source
  32 #define TABLET_INK_SIGNATURE 0xFFFFFF00
  33 #define TABLET_INK_CHECK 0xFF515700
  34 #define TABLET_INK_TOUCH 0x00000080
  35 #define TABLET_INK_ID_MASK 0x0000007F
  36 #define MOUSE_INPUT_SOURCE() WinUtils::GetMouseInputSource()
  37 #define MOUSE_POINTERID() WinUtils::GetMousePointerID()
  38
  39 /**************************************************************
  40  *
  41  * SECTION: constants
  42  *
  43  **************************************************************/
  44
  45 /*
  46  * Native windows class names
  47  *
  48  * ::: IMPORTANT :::
  49  *
  50  * External apps and drivers depend on window class names.
  51  * For example, changing the window classes could break
  52  * touchpad scrolling or screen readers.
  53  *
  54  * See bug 1776498.
  55  */
  56 const wchar_t kClassNameHidden[] = L"MozillaHiddenWindowClass";
  57 const wchar_t kClassNameGeneral[] = L"MozillaWindowClass";
  58 const wchar_t kClassNameDialog[] = L"MozillaDialogClass";
  59 const wchar_t kClassNameDropShadow[] = L"MozillaDropShadowWindowClass";
  60 const wchar_t kClassNameTransition[] = L"MozillaTransitionWindowClass";
  61
  62 /**************************************************************
  63  *
  64  * SECTION: structs
  65  *
  66  **************************************************************/
  67
  68 // Used for synthesizing events
  69 struct KeyPair {
  70   uint8_t mGeneral;
  71   uint8_t mSpecific;
  72   uint16_t mScanCode;
  73   KeyPair(uint32_t aGeneral, uint32_t aSpecific)
  74       : mGeneral(aGeneral & 0xFF),
  75         mSpecific(aSpecific & 0xFF),
  76         mScanCode((aGeneral & 0xFFFF0000) >> 16) {}
  77   KeyPair(uint8_t aGeneral, uint8_t aSpecific, uint16_t aScanCode)
  78       : mGeneral(aGeneral), mSpecific(aSpecific), mScanCode(aScanCode) {}
  79 };
  80
  81 namespace mozilla {
  82 namespace widget {
  83
  84 struct MSGResult {
  85   // Result for the message.
  86   LRESULT& mResult;
  87   // If mConsumed is true, the caller shouldn't call next wndproc.
  88   bool mConsumed;
  89
  90   explicit MSGResult(LRESULT* aResult = nullptr)
  91       : mResult(aResult ? *aResult : mDefaultResult), mConsumed(false) {}
  92
  93  private:
  94   LRESULT mDefaultResult;
  95 };
  96
  97 }  // namespace widget
  98 }  // namespace mozilla
  99
 100 /**************************************************************
 101  *
 102  * SECTION: macros
 103  *
 104  **************************************************************/
 105
 106 #define NSRGB_2_COLOREF(color) \
 107   RGB(NS_GET_R(color), NS_GET_G(color), NS_GET_B(color))
 108 #define COLOREF_2_NSRGB(color) \
 109   NS_RGB(GetRValue(color), GetGValue(color), GetBValue(color))
 110
 111 #define VERIFY_WINDOW_STYLE(s)                                         \
 112   NS_ASSERTION(((s) & (WS_CHILD | WS_POPUP)) != (WS_CHILD | WS_POPUP), \
 113                "WS_POPUP and WS_CHILD are mutually exclusive")
 114
 115 #endif /* WindowDefs_h__ */