LuChiChick/DLT_Splitter
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Implemented file input via explorer by invoking Win32 API && Modified the file input validity detection strategy && Adjusted UI layout

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This commit is contained in:
LuChiChick 2025-12-02 20:43:53 +08:00
parent 38b498e841
commit 34509a68a6
5 changed files with 222 additions and 36 deletions
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7
Inc/Config.hpp
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@ -5,7 +5,10 @@
#define MAIN_FRAME_TITTLE L"DLT Splitter —— Dev by : LuChiChick"
// 主窗体最小面积
#define MAIN_FRAME_SIZE_WIDTH_MIN 350
#define MAIN_FRAME_SIZE_HEIGHT_MIN 350 * 1.5
#define MAIN_FRAME_SIZE_WIDTH_MIN 400
#define MAIN_FRAME_SIZE_HEIGHT_MIN 400 * 1.5
// 单次允许选择的最大文件数量
#define MAX_SINGLE_SELECT_FILE_COUNT 512
#endif

3
Inc/Global_Variables.hpp
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@ -13,6 +13,9 @@ extern "C"
#include "Type_Descriptions.hpp"
// 主窗体句柄
extern HWND Main_Window_hWnd;
// D3D11 相关
extern ID3D11Device *g_pd3dDevice; // D3D11 设备句柄
extern ID3D11DeviceContext *g_pd3dDeviceContext; // D3D11 设备上下文句柄

3
Src/Global_Variables.cpp
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@ -1,5 +1,8 @@
#include "Global_Variables.hpp"
// 主窗体句柄
HWND Main_Window_hWnd = nullptr;
// D3D11 相关
ID3D11Device *g_pd3dDevice = nullptr; // D3D11 设备句柄
ID3D11DeviceContext *g_pd3dDeviceContext = nullptr; // D3D11 设备上下文句柄

42
Src/Main.cpp
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@ -61,7 +61,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
RegisterClassExW(&wc);
// 创建窗体
HWND hwnd = CreateWindowW(wc.lpszClassName, // 创建的窗体类名
Main_Window_hWnd = CreateWindowW(wc.lpszClassName, // 创建的窗体类名
MAIN_FRAME_TITTLE, // 窗体标题
WS_OVERLAPPEDWINDOW, // 窗体风格为标准可重叠的顶层窗口
100, // 起始坐标x
@ -74,7 +74,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
nullptr); // 额外的事件参数指针
// 在窗体内创建 Direct 3D 设备
if (!CreateDeviceD3D(hwnd))
if (!CreateDeviceD3D(Main_Window_hWnd))
{
// 未创建完成时清理 Direct 3D 设备并清理窗体注册类
CleanupDeviceD3D();
@ -85,11 +85,11 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
}
// 启用文件拖拽输入
DragAcceptFiles(hwnd, TRUE);
DragAcceptFiles(Main_Window_hWnd, TRUE);
// 显示窗体并强制更新一次窗体
ShowWindow(hwnd, SW_SHOWDEFAULT);
UpdateWindow(hwnd);
ShowWindow(Main_Window_hWnd, SW_SHOWDEFAULT);
UpdateWindow(Main_Window_hWnd);
// 检查版本
IMGUI_CHECKVERSION();
@ -133,7 +133,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
}
// 初始化渲染器后端(Renderer backends)
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplWin32_Init(Main_Window_hWnd);
ImGui_ImplDX11_Init(g_pd3dDevice, g_pd3dDeviceContext);
// 字体配置相关
@ -164,7 +164,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
{
// 非阻塞式获取所有窗体消息，Pick消息后从消息队列删除，并转译和派发消息
MSG msg;
while (PeekMessage(&msg, nullptr, 0U, 0U, PM_REMOVE))
while (PeekMessageW(&msg, nullptr, 0U, 0U, PM_REMOVE))
{
TranslateMessage(&msg); // 转译
DispatchMessageW(&msg); // 派发
@ -236,7 +236,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
ImNodes::DestroyContext(); // 销毁 ImNodes 上下文
CleanupDeviceD3D(); // 清理 Direct 3D 设备
DestroyWindow(hwnd); // 销毁窗体
DestroyWindow(Main_Window_hWnd); // 销毁窗体
UnregisterClassW(wc.lpszClassName, wc.hInstance); // 取消窗体注册类
return 0;
@ -342,6 +342,10 @@ LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
// 获取拖拽的文件总数
UINT fileCount = DragQueryFileW(hDrop, 0xFFFFFFFF, NULL, 0);
// 非法输入检测
bool with_illegal_input = false;
bool with_duplicated_input = false;
// 添加到文件列表
for (UINT count = 0; count < fileCount; count++)
{
@ -357,26 +361,31 @@ LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
int size_needed = WideCharToMultiByte(CP_UTF8, 0, filePath, -1, NULL, 0, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, filePath, -1, file_path_multi_byte, size_needed, NULL, NULL);
/**
* @todo 文件类型筛选
*/
// 重复文件剔除
bool duplicated = false;
for (Input_File_Node *p_file_node = input_dlt_file_list_head; p_file_node != nullptr; p_file_node = p_file_node->p_next)
if (!strcmp(p_file_node->file_name_str, file_path_multi_byte))
{
duplicated = true;
with_duplicated_input = true;
break;
}
if (duplicated)
continue;
// 文件类型后缀过滤
const char *p_extension_name = file_path_multi_byte + (strlen(file_path_multi_byte) - 4);
if (p_extension_name[0] != '.' || toupper(p_extension_name[1]) != 'D' || toupper(p_extension_name[2]) != 'L' || toupper(p_extension_name[3]) != 'T')
{
with_illegal_input = true;
continue;
}
// 开辟新文件节点
Input_File_Node *p_new_file_node = (Input_File_Node *)malloc(sizeof(Input_File_Node));
p_new_file_node->file_name_str = (char *)malloc(strlen(file_path_multi_byte) + 1);
memset(p_new_file_node->file_name_str, '\0', strlen(file_path_multi_byte) + 1);
memcpy(p_new_file_node->file_name_str, file_path_multi_byte, strlen(file_path_multi_byte));
memcpy(p_new_file_node->file_name_str, file_path_multi_byte, strlen(file_path_multi_byte) + 1);
p_new_file_node->p_next = nullptr;
// 插入文件列表
@ -396,6 +405,13 @@ LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
// 释放拖拽资源（必须调用，否则内存泄漏）
DragFinish(hDrop);
if (with_duplicated_input)
MessageBoxW(hWnd, L"存在重复输入", L"", MB_OK);
if (with_illegal_input)
MessageBoxW(hWnd, L"存在非法输入，仅支持 .dlt 文件", L"", MB_OK);
return 0;
}
case WM_SIZE: // 窗体大小变事件

181
Src/UI_Layout.cpp
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@ -1,7 +1,12 @@
#include "UI_Layout.hpp"
#include "imgui_impl_win32.h"
#include "Global_Variables.hpp"
#include "Config.hpp"
extern "C"
{
#include "windows.h"
#include "stdio.h"
}
// UI布局
@ -51,7 +56,133 @@ void Widgets::Drag_Input_Area(const ImVec2 &size)
ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
// 显示一个按钮，作为拖拽源
static bool pressed_hover = false;
ImGui::Button(pressed_hover ? u8"松开左键以添加" : u8"拖拽文件到此处", ImVec2(ImGui::GetContentRegionAvail().x, ImGui::GetContentRegionAvail().y));
if (ImGui::Button(pressed_hover ? u8"松开左键以添加" : u8"单击选择文件或拖拽文件到此处", ImVec2(ImGui::GetContentRegionAvail().x, ImGui::GetContentRegionAvail().y)))
{
OPENFILENAMEW ofn; // common dialog box structure
wchar_t szFile[MAX_PATH * MAX_SINGLE_SELECT_FILE_COUNT] = {L'\0'}; // buffer for file name
// Initialize OPENFILENAME
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = Main_Window_hWnd;
ofn.lpstrFile = szFile;
// Set lpstrFile[0] to '\0' so that GetOpenFileName does not
// use the contents of szFile to initialize itself.
ofn.nMaxFile = sizeof(szFile);
ofn.lpstrFilter = L"(.dlt)\0*.dlt\0";
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_ALLOWMULTISELECT | OFN_EXPLORER;
// Display the Open dialog box.
// 处理文件输入
if (GetOpenFileNameW(&ofn) == TRUE)
{
// 重复输入检测
bool with_duplicated_input = false;
wchar_t *p_first_str = ofn.lpstrFile;
// 单文件
if ((p_first_str[wcslen(p_first_str)] == L'\0') && (p_first_str[wcslen(p_first_str) + 1] == L'\0'))
{
char file_path_multi_byte[MAX_PATH] = {'\0'};
int size_needed = WideCharToMultiByte(CP_UTF8, 0, p_first_str, -1, NULL, 0, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, p_first_str, -1, file_path_multi_byte, size_needed, NULL, NULL);
for (Input_File_Node *p_file_node = input_dlt_file_list_head; p_file_node != nullptr; p_file_node = p_file_node->p_next)
if (!strcmp(p_file_node->file_name_str, file_path_multi_byte))
{
with_duplicated_input = true;
break;
}
if (with_duplicated_input)
{
MessageBoxW(Main_Window_hWnd, L"存在重复输入", L"", MB_OK);
}
else
{
// 开辟新文件节点
Input_File_Node *p_new_file_node = (Input_File_Node *)malloc(sizeof(Input_File_Node));
p_new_file_node->file_name_str = (char *)malloc(strlen(file_path_multi_byte) + 1);
memset(p_new_file_node->file_name_str, '\0', strlen(file_path_multi_byte) + 1);
memcpy(p_new_file_node->file_name_str, file_path_multi_byte, strlen(file_path_multi_byte) + 1);
p_new_file_node->p_next = nullptr;
// 插入文件列表
if (input_dlt_file_list_head == nullptr)
input_dlt_file_list_head = p_new_file_node;
else
{
Input_File_Node *p_target_node = input_dlt_file_list_head;
for (size_t count = 1; count < input_dlt_file_count; count++)
p_target_node = p_target_node->p_next;
p_target_node->p_next = p_new_file_node;
}
input_dlt_file_count++;
}
}
else
{
// 多文件输入时
char public_path_multi_byte[MAX_PATH] = {'\0'};
int size_needed = WideCharToMultiByte(CP_UTF8, 0, p_first_str, -1, NULL, 0, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, p_first_str, -1, public_path_multi_byte, size_needed, NULL, NULL);
for (wchar_t *p_file_name_str = ofn.lpstrFile + wcslen(ofn.lpstrFile) + 1; *p_file_name_str != L'\0'; p_file_name_str += (wcslen(p_file_name_str) + 1))
{
char file_name_multi_byte[MAX_PATH] = {'\0'};
char file_path_multi_byte[MAX_PATH] = {'\0'};
int size_needed = WideCharToMultiByte(CP_UTF8, 0, p_file_name_str, -1, NULL, 0, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, p_file_name_str, -1, file_name_multi_byte, size_needed, NULL, NULL);
// 拼接完整路径
sprintf(file_path_multi_byte, "%s\\%s", public_path_multi_byte, file_name_multi_byte);
for (Input_File_Node *p_file_node = input_dlt_file_list_head; p_file_node != nullptr; p_file_node = p_file_node->p_next)
if (!strcmp(p_file_node->file_name_str, file_path_multi_byte))
{
with_duplicated_input = true;
break;
}
if (with_duplicated_input)
continue;
// 开辟新文件节点
Input_File_Node *p_new_file_node = (Input_File_Node *)malloc(sizeof(Input_File_Node));
p_new_file_node->file_name_str = (char *)malloc(strlen(file_path_multi_byte) + 1);
memset(p_new_file_node->file_name_str, '\0', strlen(file_path_multi_byte) + 1);
memcpy(p_new_file_node->file_name_str, file_path_multi_byte, strlen(file_path_multi_byte) + 1);
p_new_file_node->p_next = nullptr;
// 插入文件列表
if (input_dlt_file_list_head == nullptr)
input_dlt_file_list_head = p_new_file_node;
else
{
Input_File_Node *p_target_node = input_dlt_file_list_head;
for (size_t count = 1; count < input_dlt_file_count; count++)
p_target_node = p_target_node->p_next;
p_target_node->p_next = p_new_file_node;
}
input_dlt_file_count++;
}
if (with_duplicated_input)
{
MessageBoxW(Main_Window_hWnd, L"存在重复输入", L"", MB_OK);
}
}
}
}
// 仅在外部拖拽入内时触发，内部拖拽不触发
pressed_hover = (ImGui::IsItemHovered() && (GetAsyncKeyState(VK_LBUTTON) < 0) && (!ImGui::IsMouseDown(ImGuiMouseButton_Left)));
@ -63,22 +194,52 @@ void Widgets::Drag_Input_Area(const ImVec2 &size)
void Widgets::File_List_Area(const ImVec2 &size)
{
ImGui::PushStyleVar(ImGuiStyleVar_ChildRounding, 10.0f);
ImGui::BeginChild("File_List_Area", ImVec2(size.x, size.y), ImGuiChildFlags_Border);
ImGui::BeginChild("File_List_Area_Wrapper", ImVec2(size.x, size.y), ImGuiChildFlags_Border);
ImGui::PopStyleVar();
{
ImGui::Dummy(ImVec2(ImGui::GetContentRegionAvail().x - 30, ImGui::GetContentRegionAvail().y));
int element_id = 0;
Input_File_Node *p_file_node_pre = nullptr;
Input_File_Node *p_file_node = input_dlt_file_list_head;
for (size_t count = 0; count < input_dlt_file_count; count++)
{
ImGui::PushID(element_id++);
// 点击了删除
if (ImGui::Button("X"))
{
if (p_file_node == input_dlt_file_list_head)
{
free(input_dlt_file_list_head->file_name_str);
input_dlt_file_list_head = input_dlt_file_list_head->p_next;
free(p_file_node);
p_file_node = input_dlt_file_list_head;
}
else
{
p_file_node_pre->p_next = p_file_node->p_next;
free(p_file_node->file_name_str);
free(p_file_node);
}
input_dlt_file_count--;
count--;
ImGui::PopID();
continue;
}
const float spacing = 4;
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(spacing, spacing));
ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 10.0f); // 绘制风格栈压入窗口圆角为10
ImGui::PushStyleVar(ImGuiStyleVar_GrabRounding, 10.0f); // 抓取条圆角
static int int_value = 0;
ImGui::SameLine();
ImGui::VSliderInt("int", ImVec2(30, ImGui::GetContentRegionAvail().y), &int_value, 0, 5);
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
ImGui::InputText("##Text_Show", p_file_node->file_name_str, strlen(p_file_node->file_name_str) + 1, ImGuiInputTextFlags_ElideLeft | ImGuiInputTextFlags_ReadOnly | ImGuiInputTextFlags_NoUndoRedo);
ImGui::PopStyleVar(3);
ImGui::PopID();
p_file_node = p_file_node->p_next;
if (count == 0)
p_file_node_pre = input_dlt_file_list_head;
else
p_file_node_pre = p_file_node_pre->p_next;
}
}
ImGui::EndChild();
}