Skip to content

add graph scale slider to left pane #9

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
nsh07 merged 1 commit into from
Oct 22, 2025
Merged

add graph scale slider to left pane #9

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
46 changes: 10 additions & 36 deletions src/core/Core/Application.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -113,21 +113,15 @@ ExitStatus App::Application::run() {
const ImVec2 base_size = viewport->Size;

static char function[1024] = "tanh(x)";
static float zoom = 100.0f;

// Left Pane (expression)
{
ImGui::SetNextWindowPos(base_pos);
ImGui::SetNextWindowSize(ImVec2(base_size.x * 0.25f, base_size.y));
ImGui::Begin("Left Pane",
nullptr,
ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoCollapse |
ImGuiWindowFlags_NoTitleBar);

ImGui::InputTextMultiline("##search",
function,
sizeof(function),
ImVec2(-FLT_MIN, ImGui::GetTextLineHeight() * 4));

ImGui::Begin("Left Pane", nullptr, ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoTitleBar);
ImGui::InputTextMultiline("##search", function, sizeof(function), ImVec2(-FLT_MIN, ImGui::GetTextLineHeight() * 4));
ImGui::SliderFloat("Graph Scale", &zoom, 10.0f, 500.0f, "%.1f");
ImGui::End();
}

Expand All @@ -136,35 +130,15 @@ ExitStatus App::Application::run() {
ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
ImGui::SetNextWindowPos(ImVec2(base_pos.x + base_size.x * 0.25f, base_pos.y));
ImGui::SetNextWindowSize(ImVec2(base_size.x * 0.75f, base_size.y));
ImGui::Begin("Right Pane",
nullptr,
ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoCollapse |
ImGuiWindowFlags_NoTitleBar);

ImGui::Begin("Right Pane", nullptr, ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoTitleBar);
ImDrawList* draw_list = ImGui::GetWindowDrawList();

// Define the graphing area within the window
const ImVec2 canvas_p0 = ImGui::GetCursorScreenPos(); // Top-left corner of the window
const ImVec2 canvas_sz = ImGui::GetContentRegionAvail(); // Size of the window
const auto canvas_p1 =
ImVec2(canvas_p0.x + canvas_sz.x, canvas_p0.y + canvas_sz.y); // Bottom-right

// Define your coordinate system origin (e.g., center of the canvas)
const ImVec2 canvas_p0 = ImGui::GetCursorScreenPos();
const ImVec2 canvas_sz = ImGui::GetContentRegionAvail();
const auto canvas_p1 = ImVec2(canvas_p0.x + canvas_sz.x, canvas_p0.y + canvas_sz.y);
const ImVec2 origin(canvas_p0.x + canvas_sz.x * 0.5f, canvas_p0.y + canvas_sz.y * 0.5f);

float lineThickness = 6.0f;

// 1. Draw Axes
draw_list->AddLine(ImVec2(canvas_p0.x, origin.y),
ImVec2(canvas_p1.x, origin.y),
IM_COL32(0, 0, 0, 255),
lineThickness); // X-axis
draw_list->AddLine(ImVec2(origin.x, canvas_p0.y),
ImVec2(origin.x, canvas_p1.y),
IM_COL32(0, 0, 0, 255),
lineThickness); // Y-axis

const float zoom = 100.0f; // Pixels per unit
draw_list->AddLine(ImVec2(canvas_p0.x, origin.y), ImVec2(canvas_p1.x, origin.y), IM_COL32(0, 0, 0, 255), lineThickness);
draw_list->AddLine(ImVec2(origin.x, canvas_p0.y), ImVec2(origin.x, canvas_p1.y), IM_COL32(0, 0, 0, 255), lineThickness);
std::vector<ImVec2> points;

// (f(t), g(t))
Expand Down
Loading