IQ.Pilot Release Commit @ 0b96bd5

iqpilot/tools/cabana/ui/inistate.cc

@@ -0,0 +1,87 @@
+#include "tools/cabana/ui/inistate.h"
+
+#include <cstdio>
+#include <cstring>
+
+#include "imgui.h"
+#include "imgui_internal.h"
+#include <GLFW/glfw3.h>
+
+#include "tools/cabana/settings.h"
+#include "tools/cabana/ui/util.h"
+
+namespace inistate {
+
+MainWindowState main_window;
+
+namespace {
+
+void *readOpen(ImGuiContext *, ImGuiSettingsHandler *, const char *name) {
+  return strcmp(name, "MainWindow") == 0 ? (void *)&main_window : nullptr;
+}
+
+void readLine(ImGuiContext *, ImGuiSettingsHandler *, void *entry, const char *line) {
+  auto *state = (MainWindowState *)entry;
+  int x = 0, y = 0, flag = 0;
+  float ratio = 0.0f;
+  if (sscanf(line, "Pos=%d,%d", &x, &y) == 2) {
+    state->pos[0] = x;
+    state->pos[1] = y;
+  } else if (sscanf(line, "Size=%d,%d", &x, &y) == 2) {
+    state->size[0] = x;
+    state->size[1] = y;
+    state->has_geometry = true;
+  } else if (sscanf(line, "Maximized=%d", &flag) == 1) {
+    state->maximized = flag != 0;
+  } else if (sscanf(line, "VideoSplitterRatio=%f", &ratio) == 1) {
+    state->video_splitter_ratio = ratio;
+  } else if (sscanf(line, "MessagesVisible=%d", &flag) == 1) {
+    state->messages_visible = flag != 0;
+  } else if (sscanf(line, "VideoVisible=%d", &flag) == 1) {
+    state->video_visible = flag != 0;
+  }
+}
+
+void writeAll(ImGuiContext *, ImGuiSettingsHandler *handler, ImGuiTextBuffer *buf) {
+  buf->appendf("[%s][MainWindow]\n", handler->TypeName);
+  if (main_window.has_geometry) {
+    buf->appendf("Pos=%d,%d\n", main_window.pos[0], main_window.pos[1]);
+    buf->appendf("Size=%d,%d\n", main_window.size[0], main_window.size[1]);
+  }
+  buf->appendf("Maximized=%d\n", main_window.maximized ? 1 : 0);
+  buf->appendf("VideoSplitterRatio=%.4f\n", main_window.video_splitter_ratio);
+  buf->appendf("MessagesVisible=%d\n", main_window.messages_visible ? 1 : 0);
+  buf->appendf("VideoVisible=%d\n", main_window.video_visible ? 1 : 0);
+  buf->append("\n");
+}
+
+}
+
+void addSettingsHandler() {
+  ImGuiSettingsHandler handler;
+  handler.TypeName = "Cabana";
+  handler.TypeHash = ImHashStr("Cabana");
+  handler.ReadOpenFn = readOpen;
+  handler.ReadLineFn = readLine;
+  handler.WriteAllFn = writeAll;
+  ImGui::AddSettingsHandler(&handler);
+}
+
+void load() {
+  if (!settings.ui_state.empty())
+    ImGui::LoadIniSettingsFromMemory(settings.ui_state.data(), settings.ui_state.size());
+}
+
+void applyWindowGeometry(GLFWwindow *window) {
+  if (main_window.has_geometry && main_window.size[0] > 0 && main_window.size[1] > 0) {
+    glfwSetWindowPos(window, main_window.pos[0], main_window.pos[1]);
+    glfwSetWindowSize(window, main_window.size[0], main_window.size[1]);
+  }
+  if (main_window.maximized) glfwMaximizeWindow(window);
+}
+
+std::string save() {
+  return std::string(ImGui::SaveIniSettingsToMemory());
+}
+
+}