1354 lines
39 KiB
C++
1354 lines
39 KiB
C++
/*
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* A Bedrock 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://nanapro.sourceforge.net/LICENSE_1_0.txt)
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*
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* @file: nana/gui/detail/linux_X11/bedrock.cpp
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*/
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#include "../../detail/platform_spec_selector.hpp"
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#if defined(NANA_POSIX) && defined(NANA_X11)
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#include <nana/gui/detail/event_code.hpp>
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#include <nana/system/platform.hpp>
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#include <nana/gui/detail/native_window_interface.hpp>
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#include <nana/gui/layout_utility.hpp>
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#include <nana/gui/detail/window_layout.hpp>
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#include <nana/gui/detail/element_store.hpp>
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#include "inner_fwd_implement.hpp"
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#include <errno.h>
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#include <algorithm>
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#include "bedrock_types.hpp"
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namespace nana
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{
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namespace detail
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{
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//Declarations of helper functions defined in native_window_interface.cpp
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void x11_apply_exposed_position(native_window_type wd);
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#pragma pack(1)
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union event_mask
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{
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struct
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{
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short x;
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short y;
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}pos;
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struct
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{
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short width;
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short height;
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}size;
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struct
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{
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unsigned short vkey;
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short delta;
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}wheel;
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};
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#pragma pack()
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struct bedrock::private_impl
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{
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typedef std::map<unsigned, thread_context> thr_context_container;
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std::recursive_mutex mutex;
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thr_context_container thr_contexts;
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element_store estore;
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struct cache_type
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{
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struct thread_context_cache
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{
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thread_t tid{ 0 };
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thread_context *object{ nullptr };
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}tcontext;
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}cache;
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};
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void timer_proc(thread_t);
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void window_proc_dispatcher(Display*, nana::detail::msg_packet_tag&);
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void window_proc_for_packet(Display *, nana::detail::msg_packet_tag&);
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void window_proc_for_xevent(Display*, XEvent&);
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class accel_key_comparer
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{
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public:
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bool operator()(const accel_key& a, const accel_key& b) const
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{
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auto va = a.case_sensitive ? a.key : std::tolower(a.key);
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auto vb = b.case_sensitive ? b.key : std::tolower(b.key);
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if(va < vb)
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return true;
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else if(va > vb)
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return false;
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if (a.case_sensitive != b.case_sensitive)
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return b.case_sensitive;
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if (a.alt != b.alt)
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return b.alt;
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if (a.ctrl != b.ctrl)
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return b.ctrl;
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return ((a.shift != b.shift) && b.shift);
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}
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};
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struct accel_key_value
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{
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std::function<void()> command;
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};
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struct window_platform_assoc
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{
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std::map<accel_key, accel_key_value, accel_key_comparer> accel_commands;
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};
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//class bedrock defines a static object itself to implement a static singleton
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//here is the definition of this object
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bedrock bedrock::bedrock_object;
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Window event_window(const XEvent& event)
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{
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switch(event.type)
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{
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case MapNotify:
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case UnmapNotify:
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case DestroyNotify:
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return event.xmap.window;
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}
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return event.xkey.window;
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}
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bedrock::bedrock()
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: pi_data_(new pi_data), impl_(new private_impl)
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{
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nana::detail::platform_spec::instance().msg_set(timer_proc, window_proc_dispatcher);
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}
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bedrock::~bedrock()
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{
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delete pi_data_;
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delete impl_;
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}
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void bedrock::flush_surface(basic_window* wd, bool forced, const rectangle* update_area)
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{
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wd->drawer.map(wd, forced, update_area);
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}
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//inc_window
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//@biref: increament the number of windows
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int bedrock::inc_window(thread_t tid)
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{
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private_impl * impl = instance().impl_;
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std::lock_guard<decltype(impl->mutex)> lock(impl->mutex);
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int & cnt = (impl->thr_contexts[tid ? tid : nana::system::this_thread_id()].window_count);
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return (cnt < 0 ? cnt = 1 : ++cnt);
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}
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bedrock::thread_context* bedrock::open_thread_context(thread_t tid)
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{
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if(0 == tid) tid = nana::system::this_thread_id();
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std::lock_guard<decltype(impl_->mutex)> lock(impl_->mutex);
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if(impl_->cache.tcontext.tid == tid)
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return impl_->cache.tcontext.object;
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bedrock::thread_context* context = nullptr;
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private_impl::thr_context_container::iterator i = impl_->thr_contexts.find(tid);
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if(i == impl_->thr_contexts.end())
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context = &(impl_->thr_contexts[tid]);
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else
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context = &(i->second);
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impl_->cache.tcontext.tid = tid;
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impl_->cache.tcontext.object = context;
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return context;
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}
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bedrock::thread_context* bedrock::get_thread_context(thread_t tid)
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{
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if(0 == tid) tid = nana::system::this_thread_id();
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std::lock_guard<decltype(impl_->mutex)> lock(impl_->mutex);
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if(impl_->cache.tcontext.tid == tid)
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return impl_->cache.tcontext.object;
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private_impl::thr_context_container::iterator i = impl_->thr_contexts.find(tid);
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if(i != impl_->thr_contexts.end())
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{
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impl_->cache.tcontext.tid = tid;
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return (impl_->cache.tcontext.object = &(i->second));
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}
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impl_->cache.tcontext.tid = 0;
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return 0;
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}
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void bedrock::remove_thread_context(thread_t tid)
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{
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if(0 == tid) tid = nana::system::this_thread_id();
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std::lock_guard<decltype(impl_->mutex)> lock(impl_->mutex);
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if(impl_->cache.tcontext.tid == tid)
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{
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impl_->cache.tcontext.tid = 0;
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impl_->cache.tcontext.object = nullptr;
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}
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impl_->thr_contexts.erase(tid);
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}
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bedrock& bedrock::instance()
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{
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return bedrock_object;
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}
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void bedrock::get_key_state(arg_keyboard& arg)
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{
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XKeyEvent xkey;
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nana::detail::platform_spec::instance().read_keystate(xkey);
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arg.alt = (xkey.state & Mod1Mask);
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arg.ctrl = (xkey.state & ControlMask);
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arg.shift = (xkey.state & ShiftMask);
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}
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void bedrock::delete_platform_assoc(window_platform_assoc* passoc)
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{
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delete passoc;
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}
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void bedrock::keyboard_accelerator(native_window_type wd, const accel_key& ackey, const std::function<void()>& fn)
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{
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auto misc = wd_manager().root_runtime(wd);
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if (nullptr == misc)
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return;
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if (!misc->wpassoc)
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misc->wpassoc = new window_platform_assoc;
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misc->wpassoc->accel_commands[ackey].command = fn;
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}
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element_store& bedrock::get_element_store() const
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{
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return impl_->estore;
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}
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void bedrock::map_through_widgets(basic_window*, native_drawable_type)
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{
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//No implementation for Linux
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}
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void assign_arg(arg_mouse& arg, basic_window* wd, unsigned msg, const XEvent& evt)
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{
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arg.window_handle = wd;
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arg.button = ::nana::mouse::any_button;
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int mask_state = 0;
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if (ButtonPress == msg || ButtonRelease == msg)
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{
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mask_state = evt.xbutton.state;
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if (evt.xbutton.button != Button4 && evt.xbutton.button != Button5)
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{
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arg.evt_code = (ButtonPress == msg ? event_code::mouse_down : event_code::mouse_up);
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arg.pos.x = evt.xbutton.x - wd->pos_root.x;
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arg.pos.y = evt.xbutton.y - wd->pos_root.y;
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switch (evt.xbutton.button)
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{
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case Button1:
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arg.button = ::nana::mouse::left_button;
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break;
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case Button2:
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arg.button = ::nana::mouse::middle_button;
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break;
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case Button3:
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arg.button = ::nana::mouse::right_button;
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break;
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}
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}
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}
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else if (msg == MotionNotify)
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{
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mask_state = evt.xmotion.state;
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arg.evt_code = event_code::mouse_move;
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arg.pos.x = evt.xmotion.x - wd->pos_root.x;
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arg.pos.y = evt.xmotion.y - wd->pos_root.y;
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}
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else if (EnterNotify == msg)
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{
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mask_state = evt.xcrossing.state;
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arg.evt_code = event_code::mouse_enter;
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arg.pos.x = evt.xcrossing.x - wd->pos_root.x;
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arg.pos.y = evt.xcrossing.y - wd->pos_root.y;
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}
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arg.left_button = ((Button1Mask & mask_state) != 0) || (::nana::mouse::left_button == arg.button) ;
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arg.right_button = ((Button2Mask & mask_state) != 0) || (::nana::mouse::right_button == arg.button);
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arg.mid_button = ((Button3Mask & mask_state) != 0) || (::nana::mouse::middle_button == arg.button);
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arg.alt = ((Mod1Mask & mask_state) != 0);
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arg.shift = ((ShiftMask & mask_state) != 0);
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arg.ctrl = ((ControlMask & mask_state) != 0);
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}
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void assign_arg(arg_focus& arg, basic_window* wd, native_window_type recv, bool getting)
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{
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arg.window_handle = wd;
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arg.receiver = recv;
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arg.getting = getting;
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arg.focus_reason = arg_focus::reason::general;
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}
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void assign_arg(arg_wheel& arg, basic_window* wd, const XEvent& evt)
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{
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arg.evt_code = event_code::mouse_wheel;
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arg.window_handle = wd;
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if (ButtonRelease == evt.type && (evt.xbutton.button == Button4 || evt.xbutton.button == Button5))
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{
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arg.evt_code = event_code::mouse_wheel;
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arg.pos.x = evt.xbutton.x - wd->pos_root.x;
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arg.pos.y = evt.xbutton.y - wd->pos_root.y;
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arg.upwards = (evt.xbutton.button == Button4);
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arg.left_button = arg.mid_button = arg.right_button = false;
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arg.shift = arg.ctrl = false;
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arg.distance = 120;
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arg.which = arg_wheel::wheel::vertical;
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}
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}
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void timer_proc(thread_t tid)
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{
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nana::detail::platform_spec::instance().timer_proc(tid);
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}
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void window_proc_dispatcher(Display* display, nana::detail::msg_packet_tag& msg)
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{
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switch(msg.kind)
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{
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case nana::detail::msg_packet_tag::pkt_family::xevent:
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window_proc_for_xevent(display, msg.u.xevent);
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break;
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case nana::detail::msg_packet_tag::pkt_family::mouse_drop:
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window_proc_for_packet(display, msg);
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break;
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default: break;
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}
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}
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void window_proc_for_packet(Display * /*display*/, nana::detail::msg_packet_tag& msg)
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{
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static auto& brock = detail::bedrock::instance();
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auto native_window = reinterpret_cast<native_window_type>(msg.u.packet_window);
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auto root_runtime = brock.wd_manager().root_runtime(native_window);
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if(root_runtime)
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{
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auto msgwd = root_runtime->window;
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switch(msg.kind)
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{
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case nana::detail::msg_packet_tag::pkt_family::mouse_drop:
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msgwd = brock.wd_manager().find_window(native_window, {msg.u.mouse_drop.x, msg.u.mouse_drop.y});
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if(msgwd)
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{
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arg_dropfiles arg;
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arg.window_handle = msgwd;
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arg.files.swap(*msg.u.mouse_drop.files);
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delete msg.u.mouse_drop.files;
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arg.pos.x = msg.u.mouse_drop.x - msgwd->pos_root.x;
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arg.pos.y = msg.u.mouse_drop.y - msgwd->pos_root.y;
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msgwd->annex.events_ptr->mouse_dropfiles.emit(arg, msgwd);
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brock.wd_manager().do_lazy_refresh(msgwd, false);
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}
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break;
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default:
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throw std::runtime_error("Nana.GUI.Bedrock: Undefined message packet");
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}
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}
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}
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template<typename Arg>
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void draw_invoker(void(::nana::detail::drawer::*event_ptr)(const Arg&, const bool), basic_window* wd, const Arg& arg, bedrock::thread_context* thrd)
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{
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if(bedrock::instance().wd_manager().available(wd) == false)
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return;
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basic_window * pre_wd;
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if(thrd)
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{
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pre_wd = thrd->event_window;
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thrd->event_window = wd;
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}
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if(wd->other.upd_state == basic_window::update_state::none)
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wd->other.upd_state = basic_window::update_state::lazy;
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(wd->drawer.*event_ptr)(arg, false);
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if(thrd) thrd->event_window = pre_wd;
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}
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wchar_t os_code_from_keysym(KeySym keysym)
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{
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switch(keysym)
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{
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case XK_Alt_L: case XK_Alt_R:
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keysym = keyboard::alt; break;
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case XK_BackSpace:
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keysym = keyboard::backspace; break;
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case XK_Tab:
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keysym = keyboard::tab; break;
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case XK_Escape:
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keysym = keyboard::escape; break;
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case XK_Return:
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keysym = keyboard::enter; break;
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case XK_Cancel:
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keysym = keyboard::end_of_text; break; //Ctrl+C
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case XK_Page_Up:
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keysym = keyboard::os_pageup; break;
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case XK_Page_Down:
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keysym = keyboard::os_pagedown; break;
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case XK_Left: case XK_Up: case XK_Right: case XK_Down:
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keysym = keyboard::os_arrow_left + (keysym - XK_Left); break;
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case XK_Insert:
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keysym = keyboard::os_insert; break;
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case XK_Delete: case XK_KP_Delete:
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keysym = keyboard::del; break;
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case XK_Shift_L: case XK_Shift_R: //shift
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keysym = keyboard::os_shift; break;
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case XK_Control_L: case XK_Control_R: //ctrl
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keysym = keyboard::os_ctrl; break;
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default:
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do
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{
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//Transfer the keysym for key_press and key_release event to the same behavior with Windows
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if('a' <= keysym && keysym <= 'z')
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{
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keysym = keysym - 'a' + 'A';
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break;
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}
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//reverts the key
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static const char shift_num[]=")!@#$%^&*(";
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auto p = std::find(shift_num, shift_num + sizeof shift_num, char(keysym));
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if(p != shift_num + sizeof shift_num)
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{
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keysym = (p - shift_num + '0');
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break;
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}
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switch(keysym)
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{
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case '~': keysym = '`'; break;
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case '_': keysym = '-'; break;
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case '+': keysym = '='; break;
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case '{': keysym = '['; break;
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case '}': keysym = ']'; break;
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case '|': keysym = '\\'; break;
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case ':': keysym = ';'; break;
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case '"': keysym = '\''; break;
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case '<': keysym = ','; break;
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case '>': keysym = '.'; break;
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case '?': keysym = '/'; break;
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}
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}while(false);
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}
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return wchar_t(keysym);
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}
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bool translate_keyboard_accelerator(root_misc* misc, char os_code, const arg_keyboard& modifiers)
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{
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if(!misc->wpassoc)
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return false;
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auto lower_oc = std::tolower(os_code);
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std::function<void()> command;
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for(auto & accel : misc->wpassoc->accel_commands)
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{
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if(accel.first.key != (accel.first.case_sensitive ? os_code : lower_oc))
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continue;
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if(accel.first.alt == modifiers.alt && accel.first.ctrl == modifiers.ctrl && accel.first.shift == modifiers.shift)
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{
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command = accel.second.command;
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break;
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}
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}
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if(!command)
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return false;
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command();
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return true;
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}
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void x_lookup_chars(const root_misc* rruntime, basic_window * msgwd, char* keybuf, std::size_t keybuf_len, const arg_keyboard& modifiers_status)
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{
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if (!msgwd->flags.enabled)
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return;
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static auto& brock = detail::bedrock::instance();
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auto & wd_manager = brock.wd_manager();
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auto& context = *brock.get_thread_context(msgwd->thread_id);
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auto const native_window = rruntime->window->root;
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|
|
auto wstr = nana::to_wstring(std::string{keybuf, keybuf + keybuf_len});
|
|
auto const charbuf = wstr.c_str();
|
|
auto const len = wstr.length();
|
|
|
|
for(std::size_t i = 0; i < len; ++i)
|
|
{
|
|
arg_keyboard arg = modifiers_status;
|
|
arg.ignore = false;
|
|
arg.key = charbuf[i];
|
|
|
|
// ignore Unicode BOM (it may or may not appear)
|
|
if (arg.key == 0xFEFF) continue;
|
|
|
|
//Only accept tab when it is not ignored.
|
|
if ((keyboard::tab == arg.key) && rruntime->condition.ignore_tab)
|
|
continue;
|
|
|
|
if(context.is_alt_pressed)
|
|
{
|
|
arg.ctrl = arg.shift = false;
|
|
arg.evt_code = event_code::shortkey;
|
|
brock.shortkey_occurred(true);
|
|
auto shr_wd = wd_manager.find_shortkey(native_window, arg.key);
|
|
if(shr_wd)
|
|
{
|
|
arg.window_handle = shr_wd;
|
|
brock.emit(event_code::shortkey, shr_wd, arg, true, &context);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
arg.evt_code = event_code::key_char;
|
|
arg.window_handle = msgwd;
|
|
msgwd->annex.events_ptr->key_char.emit(arg, msgwd);
|
|
if(arg.ignore == false && wd_manager.available(msgwd))
|
|
draw_invoker(&drawer::key_char, msgwd, arg, &context);
|
|
}
|
|
|
|
if(brock.shortkey_occurred(false))
|
|
context.is_alt_pressed = false;
|
|
}
|
|
|
|
void window_proc_for_xevent(Display* /*display*/, XEvent& xevent)
|
|
{
|
|
static auto& brock = detail::bedrock::instance();
|
|
static unsigned long last_mouse_down_time;
|
|
static basic_window* last_mouse_down_window;
|
|
|
|
auto native_window = reinterpret_cast<native_window_type>(event_window(xevent));
|
|
auto & wd_manager = brock.wd_manager();
|
|
auto root_runtime = wd_manager.root_runtime(native_window);
|
|
|
|
if(root_runtime)
|
|
{
|
|
auto const root_wd = root_runtime->window;
|
|
auto msgwnd = root_wd;
|
|
|
|
detail::bedrock::root_guard rw_guard{ brock, root_wd };
|
|
|
|
auto& context = *brock.get_thread_context(msgwnd->thread_id);
|
|
|
|
auto const pre_event_window = context.event_window;
|
|
auto pressed_wd = root_runtime->condition.pressed;
|
|
auto pressed_wd_space = root_runtime->condition.pressed_by_space;
|
|
auto hovered_wd = root_runtime->condition.hovered;
|
|
|
|
const int message = xevent.type;
|
|
switch(xevent.type)
|
|
{
|
|
case EnterNotify:
|
|
//Ignore mouse events when a window has been pressed by pressing spacebar.
|
|
if(pressed_wd_space)
|
|
break;
|
|
|
|
msgwnd = wd_manager.find_window(native_window, {xevent.xcrossing.x, xevent.xcrossing.y});
|
|
if(msgwnd)
|
|
{
|
|
if (mouse_action::pressed != msgwnd->flags.action)
|
|
msgwnd->set_action(mouse_action::hovered);
|
|
|
|
hovered_wd = msgwnd;
|
|
|
|
arg_mouse arg;
|
|
assign_arg(arg, msgwnd, message, xevent);
|
|
brock.emit(event_code::mouse_enter, msgwnd, arg, true, &context);
|
|
|
|
arg.evt_code = event_code::mouse_move;
|
|
brock.emit(event_code::mouse_move, msgwnd, arg, true, &context);
|
|
|
|
if (!wd_manager.available(hovered_wd))
|
|
hovered_wd = nullptr;
|
|
}
|
|
break;
|
|
case LeaveNotify:
|
|
brock.event_msleave(hovered_wd);
|
|
hovered_wd = nullptr;
|
|
break;
|
|
case FocusIn:
|
|
brock.event_focus_changed(msgwnd, native_window, true);
|
|
break;
|
|
case FocusOut:
|
|
if(native_interface::is_window(msgwnd->root))
|
|
{
|
|
nana::point pos = native_interface::cursor_position();
|
|
auto recv = native_interface::find_window(pos.x, pos.y);
|
|
|
|
brock.event_focus_changed(msgwnd, recv, false);
|
|
}
|
|
break;
|
|
case ConfigureNotify:
|
|
++(root_runtime->x11msg.config);
|
|
if(msgwnd->dimension.width != static_cast<unsigned>(xevent.xconfigure.width) || msgwnd->dimension.height != static_cast<unsigned>(xevent.xconfigure.height))
|
|
{
|
|
auto & cf = xevent.xconfigure;
|
|
wd_manager.size(msgwnd, nana::size{static_cast<unsigned>(cf.width), static_cast<unsigned>(cf.height)}, true, true);
|
|
}
|
|
|
|
if(msgwnd->pos_native.x != xevent.xconfigure.x || msgwnd->pos_native.y != xevent.xconfigure.y)
|
|
{
|
|
msgwnd->pos_native.x = xevent.xconfigure.x;
|
|
msgwnd->pos_native.y = xevent.xconfigure.y;
|
|
brock.event_move(msgwnd, xevent.xconfigure.x, xevent.xconfigure.y);
|
|
}
|
|
break;
|
|
case ButtonPress:
|
|
//Ignore mouse events when a window has been pressed by pressing spacebar
|
|
if(pressed_wd_space)
|
|
break;
|
|
|
|
if(xevent.xbutton.button == Button4 || xevent.xbutton.button == Button5)
|
|
break;
|
|
|
|
msgwnd = wd_manager.find_window(native_window, {xevent.xbutton.x, xevent.xbutton.y});
|
|
|
|
pressed_wd = nullptr;
|
|
if(nullptr == msgwnd)
|
|
break;
|
|
|
|
if ((msgwnd == msgwnd->root_widget->other.attribute.root->menubar) && brock.get_menu(msgwnd->root, true))
|
|
brock.erase_menu(true);
|
|
else
|
|
brock.close_menu_if_focus_other_window(msgwnd->root);
|
|
|
|
if(msgwnd->flags.enabled)
|
|
{
|
|
pressed_wd = msgwnd;
|
|
|
|
const bool dbl_click = (last_mouse_down_window == msgwnd) && (xevent.xbutton.time - last_mouse_down_time <= 400);
|
|
last_mouse_down_time = xevent.xbutton.time;
|
|
last_mouse_down_window = msgwnd;
|
|
|
|
if (Button1 == xevent.xbutton.button) //Sets the focus only if left button is pressed
|
|
{
|
|
auto new_focus = (msgwnd->flags.take_active ? msgwnd : msgwnd->other.active_window);
|
|
if (new_focus && !new_focus->flags.ignore_mouse_focus)
|
|
{
|
|
context.event_window = new_focus;
|
|
auto kill_focus = brock.wd_manager().set_focus(new_focus, false, arg_focus::reason::mouse_press);
|
|
if (kill_focus != new_focus)
|
|
wd_manager.do_lazy_refresh(kill_focus, false);
|
|
}
|
|
}
|
|
|
|
auto retain = msgwnd->annex.events_ptr;
|
|
context.event_window = msgwnd;
|
|
|
|
msgwnd->set_action(mouse_action::pressed);
|
|
arg_mouse arg;
|
|
assign_arg(arg, msgwnd, ButtonPress, xevent);
|
|
arg.evt_code = dbl_click ? event_code::dbl_click : event_code::mouse_down;
|
|
if (brock.emit(arg.evt_code, msgwnd, arg, true, &context))
|
|
{
|
|
//If a root window is created during the mouse_down event, Nana.GUI will ignore the mouse_up event.
|
|
if (msgwnd->root != native_interface::get_focus_window())
|
|
{
|
|
auto pos = native_interface::cursor_position();
|
|
auto rootwd = native_interface::find_window(pos.x, pos.y);
|
|
native_interface::calc_window_point(rootwd, pos);
|
|
if(msgwnd != wd_manager.find_window(rootwd, pos))
|
|
{
|
|
//call the drawer mouse up event for restoring the surface graphics
|
|
msgwnd->set_action(mouse_action::normal);
|
|
|
|
arg.evt_code = event_code::mouse_up;
|
|
draw_invoker(&drawer::mouse_up, msgwnd, arg, &context);
|
|
wd_manager.do_lazy_refresh(msgwnd, false);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
pressed_wd = nullptr;
|
|
}
|
|
break;
|
|
case ButtonRelease:
|
|
//Ignore mouse events when a window has been pressed by pressing spacebar
|
|
if(pressed_wd_space)
|
|
break;
|
|
|
|
msgwnd = wd_manager.find_window(native_window, {xevent.xbutton.x, xevent.xbutton.y});
|
|
if(nullptr == msgwnd)
|
|
break;
|
|
|
|
if(xevent.xbutton.button == Button4 || xevent.xbutton.button == Button5)
|
|
{
|
|
//The hovered window receives the message, unlike in Windows, no redirection is required.
|
|
auto evt_wd = msgwnd;
|
|
while(evt_wd)
|
|
{
|
|
if(evt_wd->annex.events_ptr->mouse_wheel.length() != 0)
|
|
{
|
|
arg_wheel arg;
|
|
arg.which = arg_wheel::wheel::vertical;
|
|
assign_arg(arg, evt_wd, xevent);
|
|
brock.emit(event_code::mouse_wheel, evt_wd, arg, true, &context);
|
|
break;
|
|
}
|
|
evt_wd = evt_wd->parent;
|
|
}
|
|
|
|
if(msgwnd && (nullptr == evt_wd))
|
|
{
|
|
arg_wheel arg;
|
|
arg.which = arg_wheel::wheel::vertical;
|
|
assign_arg(arg, msgwnd, xevent);
|
|
draw_invoker(&drawer::mouse_wheel, msgwnd, arg, &context);
|
|
wd_manager.do_lazy_refresh(msgwnd, false);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
msgwnd->set_action(mouse_action::normal);
|
|
if(msgwnd->flags.enabled)
|
|
{
|
|
auto retain = msgwnd->annex.events_ptr;
|
|
|
|
::nana::arg_mouse arg;
|
|
assign_arg(arg, msgwnd, message, xevent);
|
|
|
|
::nana::arg_click click_arg;
|
|
|
|
//the window_handle of click_arg is used as a flag to determinate whether to emit click event.
|
|
click_arg.window_handle = nullptr;
|
|
click_arg.mouse_args = &arg;
|
|
|
|
const bool hit = msgwnd->dimension.is_hit(arg.pos);
|
|
if(msgwnd == pressed_wd)
|
|
{
|
|
if((arg.button == ::nana::mouse::left_button) && hit)
|
|
{
|
|
msgwnd->set_action(mouse_action::hovered);
|
|
|
|
click_arg.window_handle = msgwnd;
|
|
draw_invoker(&drawer::click, msgwnd, click_arg, &context);
|
|
}
|
|
}
|
|
|
|
//Do mouse_up, this handle may be closed by click handler.
|
|
if(wd_manager.available(msgwnd) && msgwnd->flags.enabled)
|
|
{
|
|
if(hit)
|
|
msgwnd->set_action(mouse_action::hovered);
|
|
|
|
auto retain = msgwnd->annex.events_ptr;
|
|
auto evt_ptr = retain.get();
|
|
|
|
arg.evt_code = event_code::mouse_up;
|
|
draw_invoker(&drawer::mouse_up, msgwnd, arg, &context);
|
|
|
|
if(click_arg.window_handle)
|
|
evt_ptr->click.emit(click_arg, msgwnd);
|
|
|
|
if (wd_manager.available(msgwnd))
|
|
{
|
|
arg.evt_code = event_code::mouse_up;
|
|
evt_ptr->mouse_up.emit(arg, msgwnd);
|
|
}
|
|
}
|
|
else if(click_arg.window_handle)
|
|
msgwnd->annex.events_ptr->click.emit(click_arg, msgwnd);
|
|
|
|
wd_manager.do_lazy_refresh(msgwnd, false);
|
|
}
|
|
pressed_wd = nullptr;
|
|
}
|
|
break;
|
|
case DestroyNotify:
|
|
if(wd_manager.available(msgwnd))
|
|
{
|
|
//The msgwnd may be destroyed if the window is destroyed by calling native interface of close_window().
|
|
if (msgwnd->root == brock.get_menu())
|
|
{
|
|
brock.erase_menu(false);
|
|
brock.delay_restore(3); //Restores if delay_restore not decleared
|
|
}
|
|
|
|
auto & spec = ::nana::detail::platform_spec::instance();
|
|
spec.remove(native_window);
|
|
wd_manager.destroy(msgwnd);
|
|
|
|
brock.manage_form_loader(msgwnd, false);
|
|
wd_manager.destroy_handle(msgwnd);
|
|
}
|
|
break;
|
|
case MotionNotify:
|
|
//X may send the MotionNotify with same information repeatly.
|
|
//Nana should ignore the repeated notify.
|
|
if(context.platform.motion_window != native_window || context.platform.motion_pointer_pos != nana::point(xevent.xmotion.x, xevent.xmotion.y))
|
|
{
|
|
context.platform.motion_window = native_window;
|
|
context.platform.motion_pointer_pos = nana::point(xevent.xmotion.x, xevent.xmotion.y);
|
|
}
|
|
else
|
|
break;
|
|
|
|
//Ignore mouse events when a window has been pressed by pressing spacebar
|
|
if(pressed_wd_space)
|
|
break;
|
|
|
|
msgwnd = wd_manager.find_window(native_window, {xevent.xmotion.x, xevent.xmotion.y});
|
|
if (wd_manager.available(hovered_wd) && (msgwnd != hovered_wd))
|
|
{
|
|
brock.event_msleave(hovered_wd);
|
|
hovered_wd->set_action(mouse_action::normal);
|
|
hovered_wd = nullptr;
|
|
|
|
//if msgwnd is neither a captured window nor a child of captured window,
|
|
//redirect the msgwnd to the captured window.
|
|
auto cap_wd = wd_manager.capture_redirect(msgwnd);
|
|
if(cap_wd)
|
|
msgwnd = cap_wd;
|
|
}
|
|
else if(msgwnd)
|
|
{
|
|
bool prev_captured_inside;
|
|
if(wd_manager.capture_window_entered(xevent.xmotion.x, xevent.xmotion.y, prev_captured_inside))
|
|
{
|
|
event_code evt_code;
|
|
if(prev_captured_inside)
|
|
{
|
|
evt_code = event_code::mouse_leave;
|
|
msgwnd->set_action(mouse_action::normal_captured);
|
|
}
|
|
else
|
|
{
|
|
evt_code = event_code::mouse_enter;
|
|
if (mouse_action::pressed != msgwnd->flags.action)
|
|
msgwnd->set_action(mouse_action::hovered);
|
|
}
|
|
arg_mouse arg;
|
|
assign_arg(arg, msgwnd, message, xevent);
|
|
arg.evt_code = evt_code;
|
|
brock.emit(evt_code, msgwnd, arg, true, &context);
|
|
}
|
|
}
|
|
|
|
if(msgwnd)
|
|
{
|
|
arg_mouse arg;
|
|
assign_arg(arg, msgwnd, message, xevent);
|
|
|
|
if (mouse_action::pressed != msgwnd->flags.action)
|
|
msgwnd->set_action(mouse_action::hovered);
|
|
|
|
if (hovered_wd != msgwnd)
|
|
{
|
|
hovered_wd = msgwnd;
|
|
arg.evt_code = event_code::mouse_enter;
|
|
brock.emit(event_code::mouse_enter, msgwnd, arg, true, &context);
|
|
}
|
|
|
|
arg.evt_code = event_code::mouse_move;
|
|
brock.emit(event_code::mouse_move, msgwnd, arg, true, &context);
|
|
}
|
|
if (!wd_manager.available(hovered_wd))
|
|
hovered_wd = nullptr;
|
|
break;
|
|
case MapNotify:
|
|
case UnmapNotify:
|
|
if(xevent.type == MapNotify)
|
|
{
|
|
++(root_runtime->x11msg.map);
|
|
x11_apply_exposed_position(native_window);
|
|
}
|
|
else
|
|
++(root_runtime->x11msg.unmap);
|
|
|
|
brock.event_expose(msgwnd, (xevent.type == MapNotify));
|
|
context.platform.motion_window = nullptr;
|
|
break;
|
|
case Expose:
|
|
if(msgwnd->visible && (msgwnd->root_graph->empty() == false))
|
|
{
|
|
nana::internal_scope_guard lock;
|
|
//Don't lock this scope using platform-scope-guard. Because it would cause the platform-scope-lock to be locked
|
|
//before the internal-scope-guard, and the order of locking would cause dead-lock.
|
|
//
|
|
//Locks this scope using internal-scope-guard is correct and safe. In the scope, the Xlib functions aren't called
|
|
//directly.
|
|
if(msgwnd->is_draw_through())
|
|
{
|
|
msgwnd->other.attribute.root->draw_through();
|
|
}
|
|
else
|
|
{
|
|
//Don't copy root_graph to the window directly, otherwise the edge nimbus effect will be missed.
|
|
::nana::rectangle update_area(xevent.xexpose.x, xevent.xexpose.y, xevent.xexpose.width, xevent.xexpose.height);
|
|
if (!update_area.empty())
|
|
msgwnd->drawer.map(msgwnd, true, &update_area);
|
|
}
|
|
}
|
|
break;
|
|
case KeyPress:
|
|
nana::detail::platform_spec::instance().write_keystate(xevent.xkey);
|
|
if(msgwnd->flags.enabled)
|
|
{
|
|
auto menu_wd = brock.get_menu();
|
|
if (menu_wd)
|
|
brock.delay_restore(0); //Enable delay restore
|
|
|
|
if(msgwnd->root != menu_wd)
|
|
msgwnd = brock.focus();
|
|
|
|
if(msgwnd)
|
|
{
|
|
arg_keyboard modifiers_status;
|
|
brock.get_key_state(modifiers_status);
|
|
|
|
KeySym keysym;
|
|
Status status;
|
|
char fixbuf[33];
|
|
char * keybuf = fixbuf;
|
|
int len = 0;
|
|
XIC input_context = nana::detail::platform_spec::instance().caret_input_context(native_window);
|
|
if(input_context)
|
|
{
|
|
nana::detail::platform_scope_guard psg;
|
|
#if 1 //Utf8
|
|
len = ::Xutf8LookupString(input_context, &xevent.xkey, keybuf, 32, &keysym, &status);
|
|
if(status == XBufferOverflow)
|
|
{
|
|
keybuf = new char[len + 1];
|
|
len = ::Xutf8LookupString(input_context, &xevent.xkey, keybuf, len, &keysym, &status);
|
|
}
|
|
#else
|
|
len = ::XmbLookupString(input_context, &xevent.xkey, keybuf, 32, &keysym, &status);
|
|
if(status == XBufferOverflow)
|
|
{
|
|
keybuf = new char[len + 1];
|
|
len = ::XmbLookupString(input_context, &xevent.xkey, keybuf, len, &keysym, &status);
|
|
}
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
nana::detail::platform_scope_guard psg;
|
|
status = XLookupKeySym;
|
|
keysym = ::XLookupKeysym(&xevent.xkey, 0);
|
|
}
|
|
|
|
keybuf[len] = 0;
|
|
wchar_t os_code = 0;
|
|
bool accel_translated = false;
|
|
|
|
switch(status)
|
|
{
|
|
case XLookupKeySym:
|
|
case XLookupBoth:
|
|
os_code = os_code_from_keysym(keysym);
|
|
accel_translated = translate_keyboard_accelerator(root_runtime, os_code, modifiers_status);
|
|
if(accel_translated)
|
|
break;
|
|
|
|
if(os_code == keyboard::tab && (false == (msgwnd->flags.tab & detail::tab_type::eating))) //Tab
|
|
{
|
|
auto tstop_wd = wd_manager.tabstop(msgwnd, !modifiers_status.shift);
|
|
if (tstop_wd)
|
|
{
|
|
root_runtime->condition.ignore_tab = true;
|
|
wd_manager.set_focus(tstop_wd, false, arg_focus::reason::tabstop);
|
|
wd_manager.do_lazy_refresh(msgwnd, false);
|
|
wd_manager.do_lazy_refresh(tstop_wd, true);
|
|
}
|
|
}
|
|
else if((keyboard::space == os_code) && msgwnd->flags.space_click_enabled)
|
|
{
|
|
//Clicked by spacebar
|
|
if((nullptr == pressed_wd) && (nullptr == pressed_wd_space) && msgwnd->flags.enabled)
|
|
{
|
|
arg_mouse arg;
|
|
arg.alt = modifiers_status.alt;
|
|
arg.button = ::nana::mouse::left_button;
|
|
arg.ctrl = modifiers_status.ctrl;
|
|
arg.evt_code = event_code::mouse_down;
|
|
arg.left_button = true;
|
|
arg.mid_button = false;
|
|
arg.pos.x = 0;
|
|
arg.pos.y = 0;
|
|
arg.window_handle = msgwnd;
|
|
|
|
msgwnd->set_action(mouse_action::pressed);
|
|
|
|
pressed_wd_space = msgwnd;
|
|
auto retain = msgwnd->annex.events_ptr;
|
|
|
|
draw_invoker(&drawer::mouse_down, msgwnd, arg, &context);
|
|
wd_manager.do_lazy_refresh(msgwnd, false);
|
|
}
|
|
}
|
|
else if(keyboard::alt == os_code)
|
|
{
|
|
context.is_alt_pressed = true;
|
|
if (brock.shortkey_occurred() == false)
|
|
{
|
|
msgwnd = msgwnd->root_widget->other.attribute.root->menubar;
|
|
if (msgwnd)
|
|
{
|
|
bool focused = (brock.focus() == msgwnd);
|
|
arg_keyboard arg;
|
|
arg.evt_code = event_code::key_press;
|
|
arg.window_handle = msgwnd;
|
|
arg.ignore = false;
|
|
arg.key = os_code;
|
|
brock.get_key_state(arg);
|
|
|
|
brock.emit(event_code::key_press, msgwnd, arg, true, &context);
|
|
|
|
msgwnd->root_widget->flags.ignore_menubar_focus = (focused && (brock.focus() != msgwnd));
|
|
}
|
|
else
|
|
brock.erase_menu(true);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(keyboard::os_ctrl == os_code)
|
|
context.is_ctrl_pressed = true;
|
|
|
|
arg_keyboard arg = modifiers_status;
|
|
arg.ignore = false;
|
|
arg.key = os_code;
|
|
arg.evt_code = event_code::key_press;
|
|
arg.window_handle = msgwnd;
|
|
|
|
brock.emit(event_code::key_press, msgwnd, arg, true, &context);
|
|
|
|
if(wd_manager.available(msgwnd) && (msgwnd->root_widget->other.attribute.root->menubar == msgwnd))
|
|
{
|
|
int cmd = (menu_wd && (keyboard::escape == static_cast<wchar_t>(arg.key)) ? 1 : 0 );
|
|
brock.delay_restore(cmd);
|
|
}
|
|
}
|
|
|
|
if(XLookupKeySym == status)
|
|
{
|
|
wd_manager.do_lazy_refresh(msgwnd, false);
|
|
break;
|
|
}
|
|
x_lookup_chars(root_runtime, msgwnd, keybuf, len, modifiers_status);
|
|
break;
|
|
case XLookupChars:
|
|
x_lookup_chars(root_runtime, msgwnd, keybuf, len, modifiers_status);
|
|
break;
|
|
}
|
|
|
|
wd_manager.do_lazy_refresh(msgwnd, false);
|
|
if(keybuf != fixbuf)
|
|
delete [] keybuf;
|
|
}
|
|
}
|
|
break;
|
|
case KeyRelease:
|
|
nana::detail::platform_spec::instance().write_keystate(xevent.xkey);
|
|
{
|
|
auto os_code = os_code_from_keysym(::XLookupKeysym(&xevent.xkey, 0));
|
|
if(keyboard::alt != os_code) //MUST NOT BE AN ALT
|
|
{
|
|
if(0x11 == os_code)
|
|
context.is_ctrl_pressed = false;
|
|
|
|
if (('\t' == os_code) && root_runtime->condition.ignore_tab)
|
|
{
|
|
root_runtime->condition.ignore_tab = false;
|
|
}
|
|
else
|
|
{
|
|
|
|
msgwnd = brock.focus();
|
|
if(msgwnd)
|
|
{
|
|
if((msgwnd == pressed_wd_space) && msgwnd->flags.enabled)
|
|
{
|
|
msgwnd->set_action(mouse_action::normal);
|
|
|
|
auto retain = msgwnd->annex.events_ptr;
|
|
|
|
arg_click click_arg;
|
|
click_arg.mouse_args = nullptr;
|
|
click_arg.window_handle = msgwnd;
|
|
|
|
arg_mouse arg;
|
|
arg.alt = false;
|
|
arg.button = ::nana::mouse::left_button;
|
|
arg.ctrl = false;
|
|
arg.evt_code = event_code::mouse_up;
|
|
arg.left_button = true;
|
|
arg.mid_button = false;
|
|
arg.pos.x = 0;
|
|
arg.pos.y = 0;
|
|
arg.window_handle = msgwnd;
|
|
|
|
draw_invoker(&drawer::mouse_up, msgwnd, arg, &context);
|
|
|
|
if (brock.emit(event_code::click, msgwnd, click_arg, true, &context))
|
|
wd_manager.do_lazy_refresh(msgwnd, false);
|
|
|
|
pressed_wd_space = nullptr;
|
|
}
|
|
else
|
|
{
|
|
arg_keyboard arg;
|
|
|
|
arg.evt_code = event_code::key_release;
|
|
arg.window_handle = msgwnd;
|
|
arg.ignore = false;
|
|
arg.key = os_code;
|
|
brock.get_key_state(arg);
|
|
brock.emit(event_code::key_release, msgwnd, arg, true, &context);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(os_code < keyboard::os_arrow_left || keyboard::os_arrow_down < os_code)
|
|
brock.delay_restore(2); //Restores while key release
|
|
}
|
|
else
|
|
{
|
|
context.is_alt_pressed = false;
|
|
if (brock.shortkey_occurred(false) == false)
|
|
{
|
|
msgwnd = msgwnd->root_widget->other.attribute.root->menubar;
|
|
if (msgwnd)
|
|
{
|
|
bool set_focus = (brock.focus() != msgwnd) && (!msgwnd->root_widget->flags.ignore_menubar_focus);
|
|
if (set_focus)
|
|
wd_manager.set_focus(msgwnd, false, arg_focus::reason::general);
|
|
|
|
arg_keyboard arg;
|
|
arg.evt_code = event_code::key_release;
|
|
arg.window_handle = msgwnd;
|
|
arg.ignore = false;
|
|
arg.key = os_code;
|
|
brock.get_key_state(arg);
|
|
brock.emit(event_code::key_release, msgwnd, arg, true, &context);
|
|
|
|
if (!set_focus)
|
|
{
|
|
brock.set_menubar_taken(nullptr);
|
|
msgwnd->root_widget->flags.ignore_menubar_focus = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
if(message == ClientMessage)
|
|
{
|
|
auto & spec = ::nana::detail::platform_spec::instance();
|
|
auto & xclient = xevent.xclient;
|
|
auto & atoms = spec.atombase();
|
|
if(atoms.wm_protocols == xclient.message_type)
|
|
{
|
|
if(msgwnd->flags.enabled && (atoms.wm_delete_window == static_cast<Atom>(xclient.data.l[0])))
|
|
{
|
|
arg_unload arg;
|
|
arg.window_handle = msgwnd;
|
|
arg.cancel = false;
|
|
brock.emit(event_code::unload, msgwnd, arg, true, &context);
|
|
if(false == arg.cancel)
|
|
native_interface::close_window(native_window);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
wd_manager.update_requesters(root_wd);
|
|
|
|
root_runtime = wd_manager.root_runtime(native_window);
|
|
if(root_runtime)
|
|
{
|
|
context.event_window = pre_event_window;
|
|
root_runtime->condition.pressed = pressed_wd;
|
|
root_runtime->condition.hovered = hovered_wd;
|
|
root_runtime->condition.pressed_by_space = pressed_wd_space;
|
|
}
|
|
else
|
|
{
|
|
auto context = brock.get_thread_context();
|
|
if(context) context->event_window = pre_event_window;
|
|
}
|
|
|
|
auto thread_id = ::nana::system::this_thread_id();
|
|
wd_manager.call_safe_place(thread_id);
|
|
|
|
if(msgwnd)
|
|
wd_manager.remove_trash_handle(thread_id);
|
|
}
|
|
}
|
|
|
|
void bedrock::pump_event(window condition_wd, bool is_modal)
|
|
{
|
|
thread_context * context = open_thread_context();
|
|
if(0 == context->window_count)
|
|
{
|
|
//test if there is not a window
|
|
remove_thread_context();
|
|
return;
|
|
}
|
|
|
|
++(context->event_pump_ref_count);
|
|
|
|
auto & lock = wd_manager().internal_lock();
|
|
lock.revert();
|
|
|
|
native_window_type owner_native{};
|
|
basic_window * owner = nullptr;
|
|
if(condition_wd && is_modal)
|
|
{
|
|
native_window_type modal = condition_wd->root;
|
|
owner_native = native_interface::get_window(modal, window_relationship::owner);
|
|
if(owner_native)
|
|
{
|
|
native_interface::enable_window(owner_native, false);
|
|
owner = wd_manager().root(owner_native);
|
|
if(owner)
|
|
owner->flags.enabled = false;
|
|
}
|
|
}
|
|
|
|
nana::detail::platform_spec::instance().msg_dispatch(condition_wd ? condition_wd->root : 0);
|
|
|
|
if(owner_native)
|
|
{
|
|
if(owner)
|
|
owner->flags.enabled = true;
|
|
native_interface::enable_window(owner_native, true);
|
|
}
|
|
|
|
//Before exit of pump_event, it should call the remove_trash_handle.
|
|
//Under Linux, if the windows are closed in other threads, all the widgets handles
|
|
//will be marked as deleted after exit of the event loop and in other threads. So the
|
|
//handle should be deleted from trash before exit the pump_event.
|
|
auto thread_id = ::nana::system::this_thread_id();
|
|
wd_manager().call_safe_place(thread_id);
|
|
wd_manager().remove_trash_handle(thread_id);
|
|
|
|
lock.forward();
|
|
|
|
if(0 == --(context->event_pump_ref_count))
|
|
{
|
|
if(0 == condition_wd || 0 == context->window_count)
|
|
remove_thread_context();
|
|
}
|
|
|
|
}//end bedrock::event_loop
|
|
|
|
//Dynamically set a cursor for a window
|
|
void bedrock::set_cursor(basic_window* wd, nana::cursor cur, thread_context* thrd)
|
|
{
|
|
if (nullptr == thrd)
|
|
thrd = get_thread_context(wd->thread_id);
|
|
|
|
if ((cursor::arrow == cur) && !thrd->cursor.native_handle)
|
|
return;
|
|
|
|
thrd->cursor.window = wd;
|
|
if ((thrd->cursor.native_handle == wd->root) && (cur == thrd->cursor.predef_cursor))
|
|
return;
|
|
|
|
auto & spec = nana::detail::platform_spec::instance();
|
|
Display * disp = spec.open_display();
|
|
|
|
if (thrd->cursor.native_handle && (thrd->cursor.native_handle != wd->root))
|
|
::XUndefineCursor(disp, reinterpret_cast<Window>(thrd->cursor.native_handle));
|
|
|
|
thrd->cursor.native_handle = wd->root;
|
|
if (thrd->cursor.predef_cursor != cur)
|
|
{
|
|
thrd->cursor.predef_cursor = cur;
|
|
if (thrd->cursor.handle)
|
|
{
|
|
::XFreeCursor(disp, thrd->cursor.handle);
|
|
thrd->cursor.handle = 0;
|
|
}
|
|
}
|
|
|
|
if (nana::cursor::arrow == cur)
|
|
{
|
|
thrd->cursor.native_handle = nullptr;
|
|
thrd->cursor.window = nullptr;
|
|
::XUndefineCursor(disp, reinterpret_cast<Window>(wd->root));
|
|
}
|
|
else
|
|
{
|
|
if (!thrd->cursor.handle)
|
|
thrd->cursor.handle = ::XCreateFontCursor(disp, static_cast<unsigned>(cur));
|
|
::XDefineCursor(disp, reinterpret_cast<Window>(wd->root), thrd->cursor.handle);
|
|
}
|
|
}
|
|
|
|
void bedrock::define_state_cursor(basic_window* wd, nana::cursor cur, thread_context* thrd)
|
|
{
|
|
wd->root_widget->other.attribute.root->state_cursor = cur;
|
|
wd->root_widget->other.attribute.root->state_cursor_window = wd;
|
|
set_cursor(wd, cur, thrd);
|
|
}
|
|
|
|
void bedrock::undefine_state_cursor(basic_window * wd, thread_context* thrd)
|
|
{
|
|
if (!wd_manager().available(wd))
|
|
return;
|
|
|
|
wd->root_widget->other.attribute.root->state_cursor = nana::cursor::arrow;
|
|
wd->root_widget->other.attribute.root->state_cursor_window = nullptr;
|
|
|
|
auto pos = native_interface::cursor_position();
|
|
auto native_handle = native_interface::find_window(pos.x, pos.y);
|
|
if (!native_handle)
|
|
return;
|
|
|
|
native_interface::calc_window_point(native_handle, pos);
|
|
auto rev_wd = wd_manager().find_window(native_handle, pos);
|
|
if (rev_wd)
|
|
set_cursor(rev_wd, rev_wd->predef_cursor, thrd);
|
|
}
|
|
}//end namespace detail
|
|
}//end namespace nana
|
|
#endif //NANA_POSIX && NANA_X11
|