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Step 176: smooth UI transitions

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This commit is contained in:
Bill
2026-02-09 22:18:11 -07:00
parent 6f5005b326
commit 1693fd08d6
17 changed files with 480 additions and 39 deletions
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26
editor/src/NotificationSystem.h
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@@ -1,6 +1,7 @@
#pragma once
#include "imgui.h"
#include "AnimationUtils.h"
#include <string>
#include <vector>
@@ -93,13 +94,17 @@ public:
return history;
}
void renderToasts(const std::function<void(const Notification&)>& onNavigate = {}) {
void renderToasts(const std::function<void(const Notification&)>& onNavigate = {},
bool reduceMotion = false) {
const double now = ImGui::GetTime();
const ImGuiViewport* viewport = ImGui::GetMainViewport();
const ImVec2 base(viewport->WorkPos.x + viewport->WorkSize.x,
viewport->WorkPos.y + viewport->WorkSize.y);
const float padding = 12.0f;
const float toastWidth = 360.0f;
const float fadeIn = 0.18f;
const float fadeOut = 0.25f;
const float slidePixels = 28.0f;
float y = base.y - padding;
for (int i = (int)history.size() - 1; i >= 0; --i) {
@@ -113,9 +118,24 @@ public:
ImGuiWindowFlags_NoNav |
ImGuiWindowFlags_NoSavedSettings;
ImGui::SetNextWindowPos(ImVec2(base.x - padding, y), ImGuiCond_Always, ImVec2(1.0f, 1.0f));
float age = (float)(now - n.timestamp);
float alpha = 1.0f;
float slide = 0.0f;
if (!reduceMotion) {
float inT = AnimationUtils::clamp01(age / fadeIn);
float outT = AnimationUtils::clamp01((age - (n.durationSeconds - fadeOut)) / fadeOut);
alpha = AnimationUtils::easeOutCubic(inT);
if (age > n.durationSeconds - fadeOut) {
alpha *= (1.0f - AnimationUtils::easeOutCubic(outT));
}
slide = (1.0f - AnimationUtils::easeOutCubic(inT)) * slidePixels;
}
ImGui::SetNextWindowPos(ImVec2(base.x - padding + slide, y),
ImGuiCond_Always,
ImVec2(1.0f, 1.0f));
ImGui::SetNextWindowSize(ImVec2(toastWidth, 0.0f), ImGuiCond_Always);
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(12, 10));
ImGui::PushStyleVar(ImGuiStyleVar_Alpha, ImGui::GetStyle().Alpha * alpha);
ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0.08f, 0.08f, 0.08f, 0.92f));
ImGui::PushStyleColor(ImGuiCol_Border, ImVec4(0.22f, 0.22f, 0.22f, 0.9f));
ImGui::Begin(("##toast_" + std::to_string(n.id)).c_str(), nullptr, flags);
@@ -138,7 +158,7 @@ public:
ImVec2 size = ImGui::GetWindowSize();
ImGui::End();
ImGui::PopStyleColor(2);
ImGui::PopStyleVar();
ImGui::PopStyleVar(2);
if (clicked) {
n.read = true;