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nana/source/detail/platform_spec_windows.cpp
Jinhao 6e86b6ae6c refine code 
fix bug that listbox may throw std::runtime when the modal is enabled
fix bug that textbox attachs a wrong event angent
2016-08-10 01:46:13 +08:00

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/**
* Platform Specification Implementation
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*
* @file: nana/detail/platform_spec.cpp
*
* @brief basis classes and data structures required by nana
*/
#include <nana/detail/platform_spec_selector.hpp>
#if defined(NANA_WINDOWS)
#include <stdexcept>
#include <map>
#include <shellapi.h>
///////////////////////////////////////////////////////////////////////////////////////////////////////
/******************************************************************
* *
* VersionHelpers.h -- This module defines helper functions to *
* promote version check with proper *
* comparisons. *
* *
* Copyright (c) Microsoft Corp. All rights reserved. *
* *
******************************************************************/
#include <specstrings.h> // for _In_, etc.
#if !defined(__midl) && !defined(SORTPP_PASS)
#if (NTDDI_VERSION >= NTDDI_WINXP)
#ifdef __cplusplus
#define VERSIONHELPERAPI inline bool
#else // __cplusplus
#define VERSIONHELPERAPI FORCEINLINE BOOL
#endif // __cplusplus
VERSIONHELPERAPI
IsWindowsVersionOrGreater(WORD wMajorVersion, WORD wMinorVersion, WORD wServicePackMajor)
{
OSVERSIONINFOEXW osvi = { sizeof(osvi), 0, 0, 0, 0,{ 0 }, 0, 0 };
DWORDLONG const dwlConditionMask = VerSetConditionMask(
VerSetConditionMask(
VerSetConditionMask(
0, VER_MAJORVERSION, VER_GREATER_EQUAL),
VER_MINORVERSION, VER_GREATER_EQUAL),
VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
osvi.dwMajorVersion = wMajorVersion;
osvi.dwMinorVersion = wMinorVersion;
osvi.wServicePackMajor = wServicePackMajor;
return VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR, dwlConditionMask) != FALSE;
}
VERSIONHELPERAPI
IsWindowsXPOrGreater()
{
return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP), LOBYTE(_WIN32_WINNT_WINXP), 0);
}
VERSIONHELPERAPI
IsWindowsXPSP1OrGreater()
{
return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP), LOBYTE(_WIN32_WINNT_WINXP), 1);
}
VERSIONHELPERAPI
IsWindowsXPSP2OrGreater()
{
return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP), LOBYTE(_WIN32_WINNT_WINXP), 2);
}
VERSIONHELPERAPI
IsWindowsXPSP3OrGreater()
{
return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP), LOBYTE(_WIN32_WINNT_WINXP), 3);
}
VERSIONHELPERAPI
IsWindowsVistaOrGreater()
{
return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_VISTA), LOBYTE(_WIN32_WINNT_VISTA), 0);
}
VERSIONHELPERAPI
IsWindowsVistaSP1OrGreater()
{
return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_VISTA), LOBYTE(_WIN32_WINNT_VISTA), 1);
}
VERSIONHELPERAPI
IsWindowsVistaSP2OrGreater()
{
return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_VISTA), LOBYTE(_WIN32_WINNT_VISTA), 2);
}
VERSIONHELPERAPI
IsWindows7OrGreater()
{
return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN7), LOBYTE(_WIN32_WINNT_WIN7), 0);
}
VERSIONHELPERAPI
IsWindows7SP1OrGreater()
{
return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN7), LOBYTE(_WIN32_WINNT_WIN7), 1);
}
#ifndef _WIN32_WINNT_WIN8 // (0x0602)
#define _WIN32_WINNT_WIN8 (0x0602)
#endif // _WIN32_WINNT_WIN8(0x0602)
VERSIONHELPERAPI
IsWindows8OrGreater()
{
return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN8), LOBYTE(_WIN32_WINNT_WIN8), 0);
}
#ifndef _WIN32_WINNT_WINBLUE // (0x0602)
#define _WIN32_WINNT_WINBLUE (0x0602)
#endif // _WIN32_WINNT_WINBLUE (0x0602)
VERSIONHELPERAPI
IsWindows8Point1OrGreater()
{
return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINBLUE), LOBYTE(_WIN32_WINNT_WINBLUE), 0);
}
VERSIONHELPERAPI
IsWindowsServer()
{
OSVERSIONINFOEXW osvi = { sizeof(osvi), 0, 0, 0, 0,{ 0 }, 0, 0, 0, VER_NT_WORKSTATION };
DWORDLONG const dwlConditionMask = VerSetConditionMask(0, VER_PRODUCT_TYPE, VER_EQUAL);
return !VerifyVersionInfoW(&osvi, VER_PRODUCT_TYPE, dwlConditionMask);
}
#endif // NTDDI_VERSION
#endif // defined(__midl)
////////////////////////////////////////////////////////////////////////////////////////////////////
//#if defined(_MSC_VER)
////#include <VersionHelpers.h>
//bool IsWindowsVistaOrGreater() { return false; }
//bool //VERSIONHELPERAPI
//IsWindowsVersionOrGreater(WORD wMajorVersion, WORD wMinorVersion, WORD wServicePackMajor)
//{
// OSVERSIONINFOEXW osvi = { sizeof(osvi), 0, 0, 0, 0,{ 0 }, 0, 0 };
// DWORDLONG const dwlConditionMask = VerSetConditionMask(
// VerSetConditionMask(
// VerSetConditionMask(
// 0, VER_MAJORVERSION, VER_GREATER_EQUAL),
// VER_MINORVERSION, VER_GREATER_EQUAL),
// VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
//
// osvi.dwMajorVersion = wMajorVersion;
// osvi.dwMinorVersion = wMinorVersion;
// osvi.wServicePackMajor = wServicePackMajor;
//
// return VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR, dwlConditionMask) != FALSE;
//}
//
//
//
//#endif // _MSVC
namespace nana
{
namespace detail
{
drawable_impl_type::drawable_impl_type()
{
pen.handle = nullptr;
pen.color = 0xffffffff;
pen.style = -1;
pen.width = -1;
brush.handle = nullptr;
brush.style = brush_spec::Solid;
brush.color = 0xffffffff;
round_region.handle = nullptr;
round_region.radius_x = round_region.radius_y = 0;
string.tab_length = 4;
string.tab_pixels = 0;
string.whitespace_pixels = 0;
}
drawable_impl_type::~drawable_impl_type()
{
::DeleteDC(context);
::DeleteObject(pixmap);
::DeleteObject(pen.handle);
::DeleteObject(brush.handle);
::DeleteObject(round_region.handle);
}
void drawable_impl_type::fgcolor(const ::nana::color& clr)
{
set_text_color(clr);
}
unsigned drawable_impl_type::get_color() const
{
return color_;
}
unsigned drawable_impl_type::get_text_color() const
{
return text_color_;
}
void drawable_impl_type::set_color(const ::nana::color& clr)
{
color_ = (clr.px_color().value & 0xFFFFFF);
}
void drawable_impl_type::set_text_color(const ::nana::color& clr)
{
auto rgb = (clr.px_color().value & 0xFFFFFF);
if (text_color_ != rgb)
{
::SetTextColor(context, NANA_RGB(rgb));
text_color_ = rgb;
}
}
void drawable_impl_type::update_pen()
{
if (pen.color != color_)
{
pen.handle = ::CreatePen(PS_SOLID, 1, NANA_RGB(color_));
::DeleteObject(::SelectObject(context, pen.handle));
pen.color = color_;
}
}
void drawable_impl_type::update_brush()
{
if (brush.color != color_)
brush.set(context, brush.style, color_);
}
void drawable_impl_type::pen_spec::set(HDC context, int style, int width, unsigned clr)
{
if (this->color != clr || this->width != width || this->style != style)
{
this->color = clr;
this->width = width;
this->style = style;
this->handle = ::CreatePen(style, width, NANA_RGB(clr));
::DeleteObject(::SelectObject(context, this->handle));
}
}
void drawable_impl_type::brush_spec::set(HDC context, drawable_impl_type::brush_spec::t style, unsigned rgb)
{
if (this->color != rgb || this->style != style)
{
this->color = rgb;
this->style = style;
switch(style)
{
case brush_spec::HatchBDiagonal:
this->handle = ::CreateHatchBrush(HS_BDIAGONAL, NANA_RGB(rgb));
break;
case brush_spec::Solid:
default:
this->style = brush_spec::Solid;
this->handle = ::CreateSolidBrush(NANA_RGB(color));
break;
}
::DeleteObject(::SelectObject(context, this->handle));
}
}
void drawable_impl_type::round_region_spec::set(const nana::rectangle& r, unsigned radius_x, unsigned radius_y)
{
if(this->r != r || this->radius_x != radius_x || this->radius_y != radius_y)
{
if(handle)
::DeleteObject(this->handle);
this->r = r;
this->radius_x = radius_x;
this->radius_y = radius_y;
handle = ::CreateRoundRectRgn(r.x, r.y, r.x + static_cast<int>(r.width) + 1, r.y + static_cast<int>(r.height) + 1, static_cast<int>(radius_x + 1), static_cast<int>(radius_y + 1));
}
}
//struct font_tag::deleter
void font_tag::deleter::operator()(const font_tag* tag) const
{
if(tag && tag->handle)
::DeleteObject(tag->handle);
delete tag;
}
//end struct font_tag::deleter
//class platform_spec
platform_spec::co_initializer::co_initializer()
: ole32_(::LoadLibrary(L"OLE32.DLL"))
{
if(ole32_)
{
typedef HRESULT (__stdcall *CoInitializeEx_t)(LPVOID, DWORD);
CoInitializeEx_t fn_init = reinterpret_cast<CoInitializeEx_t>(::GetProcAddress(ole32_, "CoInitializeEx"));
if(0 == fn_init)
{
::FreeLibrary(ole32_);
ole32_ = 0;
throw std::runtime_error("Nana.PlatformSpec.Co_initializer: Can't locate the CoInitializeEx().");
}
else
fn_init(0, COINIT_APARTMENTTHREADED | /*COINIT_DISABLE_OLE1DDE =*/0x4);
}
else
throw std::runtime_error("Nana.PlatformSpec.Co_initializer: No Ole32.DLL Loaded.");
}
platform_spec::co_initializer::~co_initializer()
{
if(ole32_)
{
typedef void (__stdcall *CoUninitialize_t)(void);
CoUninitialize_t fn_unin = reinterpret_cast<CoUninitialize_t>(::GetProcAddress(ole32_, "CoUninitialize"));
if(fn_unin)
fn_unin();
::FreeLibrary(ole32_);
}
}
struct platform_spec::implementation
{
font_ptr_t def_font_ptr;
std::map<native_window_type, window_icons> iconbase;
};
platform_spec::platform_spec()
: impl_{ new implementation}
{
//Create default font object.
NONCLIENTMETRICS metrics = {};
metrics.cbSize = sizeof metrics;
#if(WINVER >= 0x0600)
#if defined(NANA_MINGW)
OSVERSIONINFO osvi = {};
osvi.dwOSVersionInfoSize = sizeof(osvi);
::GetVersionEx(&osvi);
if (osvi.dwMajorVersion < 6)
metrics.cbSize -= sizeof(metrics.iPaddedBorderWidth);
#else
if(!IsWindowsVistaOrGreater())
metrics.cbSize -= sizeof(metrics.iPaddedBorderWidth);
#endif
#endif
::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof metrics, &metrics, 0);
impl_->def_font_ptr = make_native_font(to_utf8(metrics.lfMessageFont.lfFaceName).c_str(), font_size_to_height(9), 400, false, false, false);
}
platform_spec::~platform_spec()
{
delete impl_;
}
const platform_spec::font_ptr_t& platform_spec::default_native_font() const
{
return impl_->def_font_ptr;
}
void platform_spec::default_native_font(const font_ptr_t& fp)
{
impl_->def_font_ptr = fp;
}
unsigned platform_spec::font_size_to_height(unsigned size) const
{
HDC hdc = ::GetDC(0);
size = ::MulDiv(int(size), ::GetDeviceCaps(hdc, LOGPIXELSY), 72);
::ReleaseDC(0, hdc);
return size;
}
unsigned platform_spec::font_height_to_size(unsigned height) const
{
HDC hdc = ::GetDC(0);
unsigned pixels = ::GetDeviceCaps(hdc, LOGPIXELSY);
::ReleaseDC(0, hdc);
height = static_cast<unsigned>(static_cast<long long>(72) * height / pixels);
return height;
}
platform_spec::font_ptr_t platform_spec::make_native_font(const char* name, unsigned height, unsigned weight, bool italic, bool underline, bool strike_out)
{
::LOGFONT logfont;
memset(&logfont, 0, sizeof logfont);
if (name && *name)
std::wcscpy(logfont.lfFaceName, to_wstring(name).c_str());
else
std::wcscpy(logfont.lfFaceName, impl_->def_font_ptr->name.c_str());
logfont.lfCharSet = DEFAULT_CHARSET;
HDC hdc = ::GetDC(0);
logfont.lfHeight = -static_cast<int>(height);
::ReleaseDC(0, hdc);
logfont.lfWidth = 0;
logfont.lfWeight = weight;
logfont.lfQuality = PROOF_QUALITY;
logfont.lfPitchAndFamily = FIXED_PITCH;
logfont.lfItalic = italic;
logfont.lfUnderline = underline;
logfont.lfStrikeOut = strike_out;
HFONT result = ::CreateFontIndirect(&logfont);
if(result)
{
font_tag * impl = new font_tag;
impl->name = logfont.lfFaceName;
impl->height = height;
impl->weight = weight;
impl->italic = italic;
impl->underline = underline;
impl->strikeout = strike_out;
impl->handle = result;
return std::shared_ptr<font_tag>(impl, font_tag::deleter());
}
return nullptr;
}
platform_spec& platform_spec::instance()
{
static platform_spec object;
return object;
}
void platform_spec::keep_window_icon(native_window_type wd, const paint::image& sml_icon, const paint::image& big_icon)
{
auto & icons = impl_->iconbase[wd];
icons.sml_icon = sml_icon;
icons.big_icon = big_icon;
}
void platform_spec::release_window_icon(native_window_type wd)
{
impl_->iconbase.erase(wd);
}
}//end namespace detail
}//end namespace nana
#endif //NANA_WINDOWS
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