145 lines
4.0 KiB
C++
145 lines
4.0 KiB
C++
#include "stdafx.h"
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#include "controls_form.h"
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#include <fstream>
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const std::wstring ControlForm::kClassName = L"Controls";
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ControlForm::ControlForm()
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{
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}
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ControlForm::~ControlForm()
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{
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}
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std::wstring ControlForm::GetSkinFolder()
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{
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return L"controls";
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}
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std::wstring ControlForm::GetSkinFile()
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{
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return L"controls.xml";
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}
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std::wstring ControlForm::GetWindowClassName() const
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{
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return kClassName;
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}
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void ControlForm::InitWindow()
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{
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/**
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* 为了让代码看起来相对容易理解，不需要频繁跟进才能看明白示例代码
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* 我们将一些控件储存为局部变量，正确的使用应该是将他们作为成员变量
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* 不要在每次使用的时候都需要 FindControl，否则会影响性能代码不易读
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*/
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/* Initialize ListBox data */
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ui::ListBox* list = dynamic_cast<ui::ListBox*>(FindControl(L"list"));
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for (auto i = 0; i < 30; i++)
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{
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ui::ListContainerElement* element = new ui::ListContainerElement;
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element->SetText(nbase::StringPrintf(L"ListElement %d", i));
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element->SetClass(L"listitem");
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element->SetFixedHeight(20);
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list->Add(element);
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}
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/* Initialize TreeView data */
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ui::TreeView* tree = dynamic_cast<ui::TreeView*>(FindControl(L"tree"));
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ui::TreeNode* parent_node = nullptr;
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for (auto j = 0; j < 8; j++)
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{
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ui::TreeNode* node = new ui::TreeNode;
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node->SetClass(L"listitem");
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node->SetFixedHeight(20);
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if (parent_node)
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{
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node->SetText(nbase::StringPrintf(L"Child node %d", j));
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node->SetMargin({ 10, 0, 0, 0 });
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parent_node->AddChildNode(node);
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}
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else
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{
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node->SetText(nbase::StringPrintf(L"Parent node", j));
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tree->GetRootNode()->AddChildNode(node);
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parent_node = node;
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}
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}
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/* Load xml file content in global misc thread, and post update RichEdit task to UI thread */
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StdClosure closure = [this]() {
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std::streamoff length = 0;
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std::wstring xml;
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std::wstring controls_xml = ui::GlobalManager::GetResourcePath() + GetWindowResourcePath() + GetSkinFile();
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std::wifstream ifs(controls_xml.c_str());
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if (ifs.is_open())
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{
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ifs.seekg(0, std::ios_base::end);
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length = ifs.tellg();
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ifs.seekg(0, std::ios_base::beg);
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xml.resize(static_cast<unsigned int>(length) + 1);
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ifs.read(&xml[0], length);
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ifs.close();
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}
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// Post task to UI thread
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nbase::ThreadManager::PostTask(kThreadUI, nbase::Bind(&ControlForm::OnLoadedResourceFile, this, xml)); // or Post2UI(nbase::Bind(&ControlForm::OnLoadedResourceFile, this, xml));
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};
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// Using ToWeakCallback to protect closure when if [ControlForm] was destoryed
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nbase::ThreadManager::PostTask(kThreadGlobalMisc, ToWeakCallback(closure)); // or Post2GlobalMisc(ToWeakCallback(closure));
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/* Post repeat task to update progress value 200 milliseconds once */
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StdClosure repeat_task = [this]() {
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auto timestamp = shared::tools::GenerateTimeStamp();
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int64_t timestamp_num = 0;
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nbase::StringToInt64(timestamp, ×tamp_num);
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nbase::ThreadManager::PostTask(kThreadUI, nbase::Bind(&ControlForm::OnProgressValueChagned, this, timestamp_num % 100));
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};
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nbase::ThreadManager::PostRepeatedTask(kThreadGlobalMisc, ToWeakCallback(repeat_task), nbase::TimeDelta::FromMilliseconds(200));
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/* Show settings menu */
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ui::Button* settings = dynamic_cast<ui::Button*>(FindControl(L"settings"));
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settings->AttachClick([this](ui::EventArgs* args) {
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RECT rect = args->pSender->GetPos();
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ui::CPoint point;
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point.x = rect.left - 175;
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point.y = rect.top + 10;
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ClientToScreen(m_hWnd, &point);
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ui::CMenuWnd* pMenu = new ui::CMenuWnd(NULL);
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ui::STRINGorID xml(L"settings_menu.xml");
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pMenu->Init(xml, _T("xml"), point);
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return true;
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});
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}
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LRESULT ControlForm::OnClose(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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PostQuitMessage(0L);
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return __super::OnClose(uMsg, wParam, lParam, bHandled);
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}
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void ControlForm::OnLoadedResourceFile(const std::wstring& xml)
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{
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if (xml.empty())
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return;
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auto control_edit = dynamic_cast<ui::RichEdit*>(FindControl(L"edit"));
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control_edit->SetText(xml);
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control_edit->SetFocus();
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control_edit->HomeUp();
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}
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void ControlForm::OnProgressValueChagned(float value)
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{
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auto progress = dynamic_cast<ui::Progress*>(FindControl(L"progress"));
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progress->SetValue(value);
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}
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