147 lines
3.4 KiB
C++
147 lines
3.4 KiB
C++
/**
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* Platform Specification Implementation
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* Nana C++ Library(http://www.nanapro.org)
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* Copyright(C) 2003-2019 Jinhao(cnjinhao@hotmail.com)
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*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* @file: nana/detail/platform_spec.cpp
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*
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* @brief basis classes and data structures required by nana
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*/
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#include "platform_spec_selector.hpp"
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#include "platform_abstraction.hpp"
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#if defined(NANA_WINDOWS)
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#include <stdexcept>
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#include <map>
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#include <windows.h>
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#include <shellapi.h>
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namespace nana
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{
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namespace detail
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{
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drawable_impl_type::drawable_impl_type()
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{
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string.tab_length = 4;
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string.tab_pixels = 0;
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string.whitespace_pixels = 0;
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}
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drawable_impl_type::~drawable_impl_type()
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{
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::DeleteDC(context);
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::DeleteObject(pixmap);
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}
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#define NANA_WINDOWS_RGB(a) (((DWORD)(a) & 0xFF)<<16) | ((DWORD)(a) & 0xFF00) | (((DWORD)(a) & 0xFF0000) >> 16 )
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void drawable_impl_type::set_color(const ::nana::color& clr)
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{
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bgcolor_rgb = (clr.px_color().value & 0xFFFFFF);
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bgcolor_native = NANA_WINDOWS_RGB(bgcolor_rgb);
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}
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void drawable_impl_type::set_text_color(const ::nana::color& clr)
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{
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auto rgb = (clr.px_color().value & 0xFFFFFF);
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if (fgcolor_rgb != rgb)
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{
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fgcolor_rgb = rgb;
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fgcolor_native = NANA_WINDOWS_RGB(rgb);
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::SetTextColor(context, fgcolor_native);
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}
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}
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//class platform_spec
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platform_spec::co_initializer::co_initializer()
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: ole32_(::LoadLibrary(L"OLE32.DLL"))
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{
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if(ole32_)
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{
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typedef HRESULT (__stdcall *CoInitializeEx_t)(LPVOID, DWORD);
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CoInitializeEx_t fn_init = reinterpret_cast<CoInitializeEx_t>(::GetProcAddress(ole32_, "CoInitializeEx"));
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if(0 == fn_init)
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{
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::FreeLibrary(ole32_);
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ole32_ = 0;
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throw std::runtime_error("Nana.PlatformSpec.Co_initializer: Can't locate the CoInitializeEx().");
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}
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else
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fn_init(0, COINIT_APARTMENTTHREADED | /*COINIT_DISABLE_OLE1DDE =*/0x4);
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}
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else
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throw std::runtime_error("Nana.PlatformSpec.Co_initializer: No Ole32.DLL Loaded.");
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}
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platform_spec::co_initializer::~co_initializer()
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{
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if(ole32_)
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{
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typedef void (__stdcall *CoUninitialize_t)(void);
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CoUninitialize_t fn_unin = reinterpret_cast<CoUninitialize_t>(::GetProcAddress(ole32_, "CoUninitialize"));
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if(fn_unin)
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fn_unin();
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::FreeLibrary(ole32_);
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}
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}
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void platform_spec::co_initializer::task_mem_free(void* p)
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{
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if (ole32_)
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{
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using CoTaskMemFree_t = void (__stdcall *)(LPVOID pv);
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CoTaskMemFree_t free_fn = reinterpret_cast<CoTaskMemFree_t>(::GetProcAddress(ole32_, "CoTaskMemFree"));
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if (free_fn)
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free_fn(p);
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}
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}
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struct platform_spec::implementation
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{
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std::map<native_window_type, window_icons> iconbase;
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};
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platform_spec::platform_spec()
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: impl_{ new implementation}
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{
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platform_abstraction::initialize();
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}
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platform_spec::~platform_spec()
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{
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platform_abstraction::shutdown();
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delete impl_;
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}
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platform_spec& platform_spec::instance()
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{
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static platform_spec object;
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return object;
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}
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void platform_spec::keep_window_icon(native_window_type wd, const paint::image& sml_icon, const paint::image& big_icon)
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{
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auto & icons = impl_->iconbase[wd];
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icons.sml_icon = sml_icon;
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icons.big_icon = big_icon;
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}
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void platform_spec::release_window_icon(native_window_type wd)
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{
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impl_->iconbase.erase(wd);
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}
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}//end namespace detail
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}//end namespace nana
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#endif //NANA_WINDOWS
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