[feat] request macOS system permissions by showing a prompt on startup

src/gui/windows/request_permission_window.mm

@@ -0,0 +1,184 @@
+#include "layout.h"
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+#ifdef __APPLE__
+#include <ApplicationServices/ApplicationServices.h>
+#include <CoreGraphics/CoreGraphics.h>
+#import <Foundation/Foundation.h>
+#include <unistd.h>
+#include <cstdlib>
+#endif
+
+namespace crossdesk {
+
+#ifdef __APPLE__
+bool Render::CheckScreenRecordingPermission() {
+  // CGPreflightScreenCaptureAccess is available on macOS 10.15+
+  if (@available(macOS 10.15, *)) {
+    bool granted = CGPreflightScreenCaptureAccess();
+    LOG_INFO("CGPreflightScreenCaptureAccess returned: {}", granted);
+    return granted;
+  }
+  // For older macOS versions, assume permission is granted
+  return true;
+}
+
+bool Render::CheckAccessibilityPermission() {
+  // Check if the process is trusted for accessibility
+  // Note: This may require app restart to reflect permission changes
+  NSDictionary* options = @{(__bridge id)kAXTrustedCheckOptionPrompt : @NO};
+  bool trusted = AXIsProcessTrustedWithOptions((__bridge CFDictionaryRef)options);
+  LOG_INFO("AXIsProcessTrustedWithOptions returned: {}", trusted);
+  return trusted;
+}
+
+void Render::OpenSystemPreferences() {
+  // Open System Preferences to the Privacy & Security > Screen Recording or
+  // Accessibility section
+  system("open "
+         "\"x-apple.systempreferences:com.apple.preference.security?Privacy_"
+         "ScreenCapture\"");
+}
+
+void Render::OpenScreenRecordingPreferences() {
+  // Request screen recording permission first to ensure app appears in System Settings
+  if (@available(macOS 10.15, *)) {
+    CGRequestScreenCaptureAccess();
+  }
+  // Open System Preferences to the Privacy & Security > Screen Recording section
+  system("open "
+         "\"x-apple.systempreferences:com.apple.preference.security?Privacy_"
+         "ScreenCapture\"");
+}
+
+void Render::OpenAccessibilityPreferences() {
+  // Request accessibility permission first to ensure app appears in System Settings
+  NSDictionary* options = @{(__bridge id)kAXTrustedCheckOptionPrompt : @YES};
+  AXIsProcessTrustedWithOptions((__bridge CFDictionaryRef)options);
+  // Open System Preferences to the Privacy & Security > Accessibility section
+  system("open "
+         "\"x-apple.systempreferences:com.apple.preference.security?Privacy_"
+         "Accessibility\"");
+}
+#endif
+
+int Render::RequestPermissionWindow() {
+#ifdef __APPLE__
+  // Check permissions - recheck every frame to update status immediately after user grants
+  // permission
+  bool screen_recording_granted = CheckScreenRecordingPermission();
+  bool accessibility_granted = CheckAccessibilityPermission();
+
+  // Update show_request_permission_window_ based on permission status
+  // Keep window visible if any permission is not granted
+  show_request_permission_window_ = !screen_recording_granted || !accessibility_granted;
+
+  // Log permission status for debugging
+  LOG_INFO("Screen recording permission: {}, Accessibility permission: {}",
+           screen_recording_granted, accessibility_granted);
+
+  if (!show_request_permission_window_) {
+    LOG_INFO("Request permission window is not shown");
+    return 0;
+  }
+  LOG_INFO("Request permission window is shown");
+
+  const ImGuiViewport* viewport = ImGui::GetMainViewport();
+  float window_width = localization_language_index_ == 0 ? REQUEST_PERMISSION_WINDOW_WIDTH_CN
+                                                         : REQUEST_PERMISSION_WINDOW_WIDTH_EN;
+  float window_height = localization_language_index_ == 0 ? REQUEST_PERMISSION_WINDOW_HEIGHT_CN
+                                                          : REQUEST_PERMISSION_WINDOW_HEIGHT_EN;
+
+  // Center the window on screen
+  ImVec2 center_pos = ImVec2((viewport->WorkSize.x - window_width) * 0.5f + viewport->WorkPos.x,
+                             (viewport->WorkSize.y - window_height) * 0.5f + viewport->WorkPos.y);
+  ImGui::SetNextWindowPos(center_pos, ImGuiCond_Always);
+
+  ImGui::SetNextWindowSize(ImVec2(window_width, window_height), ImGuiCond_Always);
+
+  // Make window always on top and modal-like
+  ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 1.0f);
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 5.0f);
+  ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(20.0f, 15.0f));
+
+  ImGui::Begin(localization::request_permissions[localization_language_index_].c_str(), nullptr,
+               ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoMove |
+                   ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_Modal);
+
+  ImGui::SetWindowFontScale(0.3f);
+
+  // use system Chinese font
+  if (system_chinese_font_ != nullptr) {
+    ImGui::PushFont(system_chinese_font_);
+  }
+
+  // Message
+  ImGui::SetCursorPosX(10.0f);
+  ImGui::TextWrapped(
+      "%s", localization::permission_required_message[localization_language_index_].c_str());
+
+  ImGui::Spacing();
+  ImGui::Spacing();
+  ImGui::Spacing();
+
+  // Accessibility Permission
+  ImGui::SetCursorPosX(10.0f);
+  ImGui::AlignTextToFramePadding();
+  ImGui::Text("1. %s:",
+              localization::accessibility_permission[localization_language_index_].c_str());
+  ImGui::SameLine();
+  ImGui::AlignTextToFramePadding();
+  if (accessibility_granted) {
+    ImGui::Text("%s", localization::permission_granted[localization_language_index_].c_str());
+  } else {
+    ImGui::Text("%s", localization::permission_denied[localization_language_index_].c_str());
+    ImGui::SameLine();
+    if (ImGui::Button(
+            localization::open_keyboard_mouse_settings[localization_language_index_].c_str())) {
+      OpenAccessibilityPreferences();
+    }
+  }
+
+  ImGui::Spacing();
+
+  // Screen Recording Permission
+  ImGui::SetCursorPosX(10.0f);
+  ImGui::AlignTextToFramePadding();
+  ImGui::Text("2. %s:",
+              localization::screen_recording_permission[localization_language_index_].c_str());
+  ImGui::SameLine();
+  ImGui::AlignTextToFramePadding();
+  if (screen_recording_granted) {
+    ImGui::Text("%s", localization::permission_granted[localization_language_index_].c_str());
+  } else {
+    ImGui::Text("%s", localization::permission_denied[localization_language_index_].c_str());
+    ImGui::SameLine();
+    if (ImGui::Button(
+            localization::open_screen_recording_settings[localization_language_index_].c_str())) {
+      OpenScreenRecordingPreferences();
+    }
+  }
+
+  ImGui::SetWindowFontScale(1.0f);
+  ImGui::SetWindowFontScale(0.45f);
+
+  // pop system font
+  if (system_chinese_font_ != nullptr) {
+    ImGui::PopFont();
+  }
+
+  ImGui::End();
+  ImGui::SetWindowFontScale(1.0f);
+  ImGui::PopStyleVar(4);
+  ImGui::PopStyleColor();
+
+  return 0;
+#else
+  return 0;
+#endif
+}
+}  // namespace crossdesk