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Demo widgets and layout for drag drop and file list

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This commit is contained in:
LuChiChick 2025-11-27 21:57:17 +08:00
parent 0814aaaf17
commit 38b498e841
2 changed files with 85 additions and 20 deletions
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12
Inc/UI_Layout.hpp
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@ -6,5 +6,17 @@
// UI布局
void UI_Layout();
// 组件
namespace Widgets
{
// 拖拽输入区域
void Drag_Input_Area(const ImVec2 &size = ImVec2(0, 0));
// 文件列表区域
void File_List_Area(const ImVec2 &size = ImVec2(0, 0));
// 工作流区域
void Workflow_Area(const ImVec2 &size = ImVec2(0, 0));
}
#endif

93
Src/UI_Layout.cpp
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@ -1,4 +1,8 @@
#include "UI_Layout.hpp"
extern "C"
{
#include "windows.h"
}
// UI布局
void UI_Layout()
@ -24,32 +28,81 @@ void UI_Layout()
// 设置窗体相关属性，不允许停靠
window_flags |= ImGuiWindowFlags_NoDocking;
ImGui::Begin("Main Panel", NULL, window_flags); // 创建Label
ImGui::Begin("Main Panel", NULL, window_flags); // 创建主面板
ImGui::PopStyleVar(2); // 退出绘制风格栈中的设置项
{
ImNodes::BeginNodeEditor();
{
// 拖拽输入区域
Widgets::Drag_Input_Area(ImVec2(ImGui::GetContentRegionAvail().x, ImGui::GetContentRegionAvail().x / 2));
ImNodes::BeginNode(1);
ImNodes::BeginNodeTitleBar();
ImGui::TextUnformatted("output node");
ImNodes::EndNodeTitleBar();
ImGui::Text("Test Format %%d :%d", 123);
ImGui::Button("Click");
ImGui::SameLine();
static bool check = false;
ImGui::Checkbox("", &check);
ImNodes::EndNode();
}
ImNodes::EndNodeEditor();
// 文件列表组件
Widgets::File_List_Area();
}
ImGui::End();
ImGui::ShowDemoWindow(nullptr);
}
void Widgets::Drag_Input_Area(const ImVec2 &size)
{
ImGui::BeginChild("Drag_Drop_Area", size);
{
ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 10.0f); // 绘制风格栈压入窗口圆角为0
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));
// 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)));
ImGui::PopStyleVar(2);
}
ImGui::EndChild();
}
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::PopStyleVar();
{
ImGui::Dummy(ImVec2(ImGui::GetContentRegionAvail().x - 30, ImGui::GetContentRegionAvail().y));
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::PopStyleVar(3);
}
ImGui::EndChild();
}
void Widgets::Workflow_Area(const ImVec2 &size)
{
ImNodes::BeginNodeEditor();
{
ImNodes::BeginNode(1);
ImNodes::BeginNodeTitleBar();
ImGui::TextUnformatted("output node");
ImNodes::EndNodeTitleBar();
ImGui::Text("Test Format %%d :%d", 123);
ImGui::Button("Click");
ImGui::SameLine();
static bool check = false;
ImGui::Checkbox("", &check);
ImNodes::EndNode();
}
ImNodes::EndNodeEditor();
}