feat(modulo): implement troubleshooting window

espanso-modulo/build.rs

@@ -117,6 +117,8 @@ fn build_native() {
     .file("src/sys/wizard/wizard_gui.cpp")
     .file("src/sys/welcome/welcome.cpp")
     .file("src/sys/welcome/welcome_gui.cpp")
+    .file("src/sys/troubleshooting/troubleshooting.cpp")
+    .file("src/sys/troubleshooting/troubleshooting_gui.cpp")
     .flag("/EHsc")
     .include(wx_include_dir)
     .include(wx_include_msvc_dir)
@@ -215,6 +217,8 @@ fn build_native() {
     .file("src/sys/wizard/wizard_gui.cpp")
     .file("src/sys/welcome/welcome.cpp")
     .file("src/sys/welcome/welcome_gui.cpp")
+    .file("src/sys/troubleshooting/troubleshooting.cpp")
+    .file("src/sys/troubleshooting/troubleshooting_gui.cpp")
     .file("src/sys/common/mac.mm");
   build.flag("-std=c++17");
 
@@ -353,7 +357,9 @@ fn build_native() {
     .file("src/sys/wizard/wizard.cpp")
     .file("src/sys/wizard/wizard_gui.cpp")
     .file("src/sys/welcome/welcome.cpp")
-    .file("src/sys/welcome/welcome_gui.cpp");
+    .file("src/sys/welcome/welcome_gui.cpp")
+    .file("src/sys/troubleshooting/troubleshooting.cpp")
+    .file("src/sys/troubleshooting/troubleshooting_gui.cpp");
   build.flag("-std=c++17");
 
   for flag in cpp_flags {

espanso-modulo/src/lib.rs

@@ -22,6 +22,7 @@ extern crate lazy_static;
 
 pub mod form;
 pub mod search;
+pub mod troubleshooting;
 pub mod welcome;
 pub mod wizard;
 mod sys;

espanso-modulo/src/sys/interop/interop.h

@@ -120,6 +120,8 @@ typedef struct WizardMetadata {
   void (*on_completed)();
 } WizardMetadata;
 
+// WELCOME
+
 typedef struct WelcomeMetadata {
   const char *window_icon_path;
   const char *tray_image_path;
@@ -128,3 +130,30 @@ typedef struct WelcomeMetadata {
   int (*dont_show_again_changed)(int);
 } WelcomeMetadata;
 
+// TROUBLESHOOTING
+
+const int ERROR_METADATA_LEVEL_ERROR = 1;
+const int ERROR_METADATA_LEVEL_WARNING = 2;
+typedef struct ErrorMetadata {
+  const int level;
+  const char *message;
+} ErrorMetadata;
+
+typedef struct ErrorSetMetadata {
+  const char *file_path;
+  const ErrorMetadata * errors;
+  const int errors_count;
+} ErrorSetMetadata;
+
+typedef struct TroubleshootingMetadata {
+  const char *window_icon_path;
+
+  const int is_fatal_error;
+
+  const ErrorSetMetadata * error_sets;
+  const int error_sets_count;
+
+  // METHODS
+  int (*dont_show_again_changed)(int);
+  int (*open_file)(const char * file_name);
+} TroubleshootingMetadata;

espanso-modulo/src/sys/interop/mod.rs

@@ -146,6 +146,38 @@ pub struct WelcomeMetadata {
   pub dont_show_again_changed: extern fn(c_int),
 }
 
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct TroubleshootingMetadata {
+  pub window_icon_path: *const c_char,
+  pub is_fatal_error: c_int,
+
+  pub error_sets: *const ErrorSetMetadata,
+  pub error_sets_count: c_int,
+
+  pub dont_show_again_changed: extern fn(c_int),
+  pub open_file: extern fn(*const c_char),
+}
+
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct ErrorSetMetadata {
+  pub file_path: *const c_char,
+
+  pub errors: *const ErrorMetadata,
+  pub errors_count: c_int,
+}
+
+pub const ERROR_METADATA_LEVEL_ERROR: c_int = 1;
+pub const ERROR_METADATA_LEVEL_WARNING: c_int = 2;
+
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct ErrorMetadata {
+  pub level: c_int,
+  pub message: *const c_char,
+}
+
 // Native bindings
 
 #[allow(improper_ctypes)]
@@ -174,4 +206,7 @@ extern "C" {
 
   // WELCOME
   pub(crate) fn interop_show_welcome(metadata: *const WelcomeMetadata);
+
+  // TROUBLESHOOTING 
+  pub(crate) fn interop_show_troubleshooting(metadata: *const TroubleshootingMetadata);
 }

espanso-modulo/src/sys/mod.rs

@@ -19,6 +19,7 @@
 
 pub mod form;
 pub mod search;
+pub mod troubleshooting;
 pub mod wizard;
 pub mod welcome;
 

espanso-modulo/src/sys/troubleshooting/mod.rs

@@ -0,0 +1,176 @@
+/*
+ * This file is part of modulo.
+ *
+ * Copyright (C) 2020-2021 Federico Terzi
+ *
+ * modulo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * modulo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with modulo.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+use std::ffi::CStr;
+use std::os::raw::{c_char, c_int};
+use std::path::PathBuf;
+use std::sync::Mutex;
+
+use crate::sys::interop::{ErrorSetMetadata, TroubleshootingMetadata};
+use crate::sys::troubleshooting::interop::{OwnedErrorSet};
+use crate::sys::util::convert_to_cstring_or_null;
+use crate::troubleshooting::{TroubleshootingHandlers, TroubleshootingOptions};
+use anyhow::Result;
+
+lazy_static! {
+  static ref HANDLERS: Mutex<Option<TroubleshootingHandlers>> = Mutex::new(None);
+}
+
+#[allow(dead_code)]
+mod interop {
+  use crate::troubleshooting::{ErrorRecord, ErrorSet};
+
+  use super::interop::{ErrorMetadata, ErrorSetMetadata};
+
+  use super::super::interop::*;
+  use std::{
+    ffi::{CString},
+    os::raw::c_int,
+  };
+
+  pub(crate) struct OwnedErrorSet {
+    file_path: Option<CString>,
+    errors: Vec<OwnedErrorMetadata>,
+    pub(crate) _interop_errors: Vec<ErrorMetadata>,
+  }
+
+  impl OwnedErrorSet {
+    pub fn to_error_set_metadata(&self) -> ErrorSetMetadata {
+      let file_path_ptr = if let Some(file_path) = self.file_path.as_ref() {
+        file_path.as_ptr()
+      } else {
+        std::ptr::null()
+      };
+
+      ErrorSetMetadata {
+        file_path: file_path_ptr,
+        errors: self._interop_errors.as_ptr(),
+        errors_count: self._interop_errors.len() as c_int,
+      }
+    }
+  }
+
+  impl From<&ErrorSet> for OwnedErrorSet {
+    fn from(error_set: &ErrorSet) -> Self {
+      let file_path = if let Some(file_path) = &error_set.file {
+        Some(CString::new(file_path.to_string_lossy().to_string())
+        .expect("unable to convert file_path to CString"))
+      } else {
+        None
+      };
+
+      let errors: Vec<OwnedErrorMetadata> =
+        error_set.errors.iter().map(|item| item.into()).collect();
+
+      let _interop_errors: Vec<ErrorMetadata> =
+        errors.iter().map(|item| item.to_error_metadata()).collect();
+
+      Self {
+        file_path,
+        errors,
+        _interop_errors,
+      }
+    }
+  }
+
+  pub(crate) struct OwnedErrorMetadata {
+    level: c_int,
+    message: CString,
+  }
+
+  impl OwnedErrorMetadata {
+    fn to_error_metadata(&self) -> ErrorMetadata {
+      ErrorMetadata {
+        level: self.level,
+        message: self.message.as_ptr(),
+      }
+    }
+  }
+
+  impl From<&ErrorRecord> for OwnedErrorMetadata {
+    fn from(item: &ErrorRecord) -> Self {
+      let message =
+        CString::new(item.message.clone()).expect("unable to convert item message to CString");
+
+      Self {
+        level: match item.level {
+          crate::troubleshooting::ErrorLevel::Error => ERROR_METADATA_LEVEL_ERROR,
+          crate::troubleshooting::ErrorLevel::Warning => ERROR_METADATA_LEVEL_WARNING,
+        },
+        message,
+      }
+    }
+  }
+}
+
+pub fn show(options: TroubleshootingOptions) -> Result<()> {
+  let (_c_window_icon_path, c_window_icon_path_ptr) =
+    convert_to_cstring_or_null(options.window_icon_path);
+
+  let owned_error_sets: Vec<OwnedErrorSet> =
+    options.error_sets.iter().map(|set| set.into()).collect();
+  let error_sets: Vec<ErrorSetMetadata> = owned_error_sets
+    .iter()
+    .map(|set| set.to_error_set_metadata())
+    .collect();
+
+  extern "C" fn dont_show_again_changed(dont_show: c_int) {
+    let lock = HANDLERS
+      .lock()
+      .expect("unable to acquire lock in dont_show_again_changed method");
+    let handlers_ref = (*lock).as_ref().expect("unable to unwrap handlers");
+    if let Some(handler_ref) = handlers_ref.dont_show_again_changed.as_ref() {
+      let value = if dont_show == 1 { true } else { false };
+      (*handler_ref)(value);
+    }
+  }
+
+  extern "C" fn open_file(file_path: *const c_char) {
+    let lock = HANDLERS
+      .lock()
+      .expect("unable to acquire lock in open_file method");
+    let handlers_ref = (*lock).as_ref().expect("unable to unwrap handlers");
+    if let Some(handler_ref) = handlers_ref.open_file.as_ref() {
+      let c_string = unsafe { CStr::from_ptr(file_path) };
+      let string = c_string.to_string_lossy();
+      let path = PathBuf::from(string.to_string());
+      (*handler_ref)(&path);
+    }
+  }
+
+  {
+    let mut lock = HANDLERS.lock().expect("unable to acquire handlers lock");
+    *lock = Some(options.handlers)
+  }
+
+  let troubleshooting_metadata = TroubleshootingMetadata {
+    window_icon_path: c_window_icon_path_ptr,
+    is_fatal_error: if options.is_fatal_error { 1 } else { 0 },
+    error_sets: error_sets.as_ptr(),
+    error_sets_count: error_sets.len() as c_int,
+    dont_show_again_changed,
+    open_file,
+  };
+
+  unsafe {
+    super::interop::interop_show_troubleshooting(&troubleshooting_metadata);
+  }
+
+  Ok(())
+}

espanso-modulo/src/sys/troubleshooting/troubleshooting.cpp

@@ -0,0 +1,188 @@
+/*
+ * This file is part of modulo.
+ *
+ * Copyright (C) 2020-2021 Federico Terzi
+ *
+ * modulo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * modulo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with modulo.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#define _UNICODE
+
+#include "../common/common.h"
+#include "../interop/interop.h"
+#include "./troubleshooting_gui.h"
+
+#include <vector>
+#include <memory>
+#include <unordered_map>
+
+TroubleshootingMetadata *troubleshooting_metadata = nullptr;
+
+// App Code
+
+class TroubleshootingApp : public wxApp
+{
+public:
+  virtual bool OnInit();
+};
+
+// Custom controller to display an ErrorSet
+
+class ErrorSetPanel : public wxPanel
+{
+private:
+protected:
+  wxStaticText *filename_label;
+  wxButton *open_file_btn;
+  wxTextCtrl *error_text_ctrl;
+  const ErrorSetMetadata * error_set_metadata;
+
+public:
+  ErrorSetPanel(wxWindow *parent, const ErrorSetMetadata * error_set_metadata) : wxPanel(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL)
+  {
+    this->error_set_metadata = error_set_metadata;
+
+    wxBoxSizer *main_file_sizer;
+    main_file_sizer = new wxBoxSizer(wxVERTICAL);
+    main_file_sizer->SetMinSize(0, 150);
+
+    wxBoxSizer *header_sizer;
+    header_sizer = new wxBoxSizer(wxHORIZONTAL);
+
+    wxString path = wxString::FromUTF8(error_set_metadata->file_path);
+    wxString filename = wxString::Format(wxT("%s (%i errors)"), path, error_set_metadata->errors_count);
+    filename_label = new wxStaticText(this, wxID_ANY, filename, wxDefaultPosition, wxDefaultSize, 0);
+    filename_label->Wrap(-1);
+    filename_label->SetFont(wxFont(wxNORMAL_FONT->GetPointSize(), wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_BOLD, false, wxEmptyString));
+
+    header_sizer->Add(filename_label, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
+
+    header_sizer->Add(0, 0, 1, wxEXPAND, 5);
+
+    open_file_btn = new wxButton(this, wxID_ANY, wxT("Open file"), wxDefaultPosition, wxDefaultSize, 0);
+    header_sizer->Add(open_file_btn, 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
+
+    main_file_sizer->Add(header_sizer, 0, wxEXPAND, 5);
+
+    wxString errors_text = wxEmptyString;
+    for (int i = 0; i<error_set_metadata->errors_count; i++) {
+      wxString level = wxT("ERROR");
+      if (error_set_metadata->errors[i].level == ERROR_METADATA_LEVEL_WARNING) {
+        level = wxT("WARNING");
+      }
+      wxString error_text = wxString::Format(wxT("[%s] %s\n"), level, error_set_metadata->errors[i].message);
+      errors_text.Append(error_text);
+    }
+
+    error_text_ctrl = new wxTextCtrl(this, wxID_ANY, errors_text, wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE | wxTE_READONLY);
+
+    main_file_sizer->Add(error_text_ctrl, 1, wxALL | wxEXPAND, 5);
+
+    this->SetSizer(main_file_sizer);
+    this->Layout();
+    main_file_sizer->Fit(this);
+
+    if (!this->error_set_metadata->file_path) {
+      filename_label->Hide();
+      open_file_btn->Hide();
+    }
+
+    open_file_btn->Connect(wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler(ErrorSetPanel::on_open_file), NULL, this);
+  }
+
+  void ErrorSetPanel::on_open_file(wxCommandEvent &event)
+  {
+    if (troubleshooting_metadata->open_file && this->error_set_metadata->file_path) {
+      troubleshooting_metadata->open_file(this->error_set_metadata->file_path);
+    }
+  }
+
+  ~ErrorSetPanel()
+  {
+    open_file_btn->Disconnect(wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler(ErrorSetPanel::on_open_file), NULL, this);
+  }
+};
+
+// Frame
+
+class DerivedTroubleshootingFrame : public TroubleshootingFrame
+{
+protected:
+  void on_dont_show_change(wxCommandEvent &event);
+  void on_ignore(wxCommandEvent &event);
+
+public:
+  DerivedTroubleshootingFrame(wxWindow *parent);
+};
+
+DerivedTroubleshootingFrame::DerivedTroubleshootingFrame(wxWindow *parent)
+    : TroubleshootingFrame(parent)
+{
+  if (troubleshooting_metadata->is_fatal_error) {
+    dont_show_checkbox->Hide();
+    ignore_button->Hide();
+    info_label->SetLabel(wxT("Espanso couldn't load some files due to configuration errors and won't be able to start until you fix them."));
+    title_label->SetLabel(wxT("Errors detected, action needed"));
+  }
+
+  for (int i = 0; i<troubleshooting_metadata->error_sets_count; i++) {
+    const ErrorSetMetadata * metadata = &troubleshooting_metadata->error_sets[i];
+    ErrorSetPanel *panel = new ErrorSetPanel(scrollview, metadata);
+    this->scrollview_sizer->Add(panel, 0, wxEXPAND | wxALL, 5);
+  }
+}
+
+void DerivedTroubleshootingFrame::on_dont_show_change(wxCommandEvent &event)
+{
+  if (troubleshooting_metadata->dont_show_again_changed)
+  {
+    int value = this->dont_show_checkbox->IsChecked() ? 1 : 0;
+    troubleshooting_metadata->dont_show_again_changed(value);
+  }
+}
+
+void DerivedTroubleshootingFrame::on_ignore(wxCommandEvent &event)
+{
+  Close(true);
+}
+
+bool TroubleshootingApp::OnInit()
+{
+  DerivedTroubleshootingFrame *frame = new DerivedTroubleshootingFrame(NULL);
+
+  if (troubleshooting_metadata->window_icon_path)
+  {
+    setFrameIcon(troubleshooting_metadata->window_icon_path, frame);
+  }
+
+  frame->Show(true);
+
+  Activate(frame);
+
+  return true;
+}
+
+extern "C" void interop_show_troubleshooting(TroubleshootingMetadata *_metadata)
+{
+// Setup high DPI support on Windows
+#ifdef __WXMSW__
+  SetProcessDPIAware();
+#endif
+
+  troubleshooting_metadata = _metadata;
+
+  wxApp::SetInstance(new TroubleshootingApp());
+  int argc = 0;
+  wxEntry(argc, (char **)nullptr);
+}

espanso-modulo/src/sys/troubleshooting/troubleshooting.fbp

@@ -0,0 +1,421 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<wxFormBuilder_Project>
+    <FileVersion major="1" minor="15" />
+    <object class="Project" expanded="1">
+        <property name="class_decoration">; </property>
+        <property name="code_generation">C++</property>
+        <property name="disconnect_events">1</property>
+        <property name="disconnect_mode">source_name</property>
+        <property name="disconnect_php_events">0</property>
+        <property name="disconnect_python_events">0</property>
+        <property name="embedded_files_path">res</property>
+        <property name="encoding">UTF-8</property>
+        <property name="event_generation">connect</property>
+        <property name="file">troubleshooting_gui</property>
+        <property name="first_id">1000</property>
+        <property name="help_provider">none</property>
+        <property name="indent_with_spaces"></property>
+        <property name="internationalize">0</property>
+        <property name="name">Troubleshooting</property>
+        <property name="namespace"></property>
+        <property name="path">.</property>
+        <property name="precompiled_header">#define _UNICODE</property>
+        <property name="relative_path">1</property>
+        <property name="skip_lua_events">1</property>
+        <property name="skip_php_events">1</property>
+        <property name="skip_python_events">1</property>
+        <property name="ui_table">UI</property>
+        <property name="use_enum">0</property>
+        <property name="use_microsoft_bom">0</property>
+        <object class="Frame" expanded="1">
+            <property name="aui_managed">0</property>
+            <property name="aui_manager_style">wxAUI_MGR_DEFAULT</property>
+            <property name="bg">wxSYS_COLOUR_WINDOW</property>
+            <property name="center">wxBOTH</property>
+            <property name="context_help"></property>
+            <property name="context_menu">1</property>
+            <property name="enabled">1</property>
+            <property name="event_handler">impl_virtual</property>
+            <property name="extra_style"></property>
+            <property name="fg"></property>
+            <property name="font"></property>
+            <property name="hidden">0</property>
+            <property name="id">wxID_ANY</property>
+            <property name="maximum_size"></property>
+            <property name="minimum_size"></property>
+            <property name="name">TroubleshootingFrame</property>
+            <property name="pos"></property>
+            <property name="size">841,544</property>
+            <property name="style">wxDEFAULT_FRAME_STYLE</property>
+            <property name="subclass">; ; forward_declare</property>
+            <property name="title">Troubleshooting</property>
+            <property name="tooltip"></property>
+            <property name="window_extra_style"></property>
+            <property name="window_name"></property>
+            <property name="window_style">wxTAB_TRAVERSAL</property>
+            <property name="xrc_skip_sizer">1</property>
+            <object class="wxBoxSizer" expanded="1">
+                <property name="minimum_size"></property>
+                <property name="name">bSizer1</property>
+                <property name="orient">wxVERTICAL</property>
+                <property name="permission">none</property>
+                <object class="sizeritem" expanded="0">
+                    <property name="border">5</property>
+                    <property name="flag">wxEXPAND</property>
+                    <property name="proportion">0</property>
+                    <object class="spacer" expanded="0">
+                        <property name="height">10</property>
+                        <property name="permission">protected</property>
+                        <property name="width">0</property>
+                    </object>
+                </object>
+                <object class="sizeritem" expanded="0">
+                    <property name="border">10</property>
+                    <property name="flag">wxALL</property>
+                    <property name="proportion">0</property>
+                    <object class="wxStaticText" expanded="0">
+                        <property name="BottomDockable">1</property>
+                        <property name="LeftDockable">1</property>
+                        <property name="RightDockable">1</property>
+                        <property name="TopDockable">1</property>
+                        <property name="aui_layer"></property>
+                        <property name="aui_name"></property>
+                        <property name="aui_position"></property>
+                        <property name="aui_row"></property>
+                        <property name="best_size"></property>
+                        <property name="bg"></property>
+                        <property name="caption"></property>
+                        <property name="caption_visible">1</property>
+                        <property name="center_pane">0</property>
+                        <property name="close_button">1</property>
+                        <property name="context_help"></property>
+                        <property name="context_menu">1</property>
+                        <property name="default_pane">0</property>
+                        <property name="dock">Dock</property>
+                        <property name="dock_fixed">0</property>
+                        <property name="docking">Left</property>
+                        <property name="enabled">1</property>
+                        <property name="fg"></property>
+                        <property name="floatable">1</property>
+                        <property name="font">,90,92,20,70,0</property>
+                        <property name="gripper">0</property>
+                        <property name="hidden">0</property>
+                        <property name="id">wxID_ANY</property>
+                        <property name="label">Errors detected</property>
+                        <property name="markup">0</property>
+                        <property name="max_size"></property>
+                        <property name="maximize_button">0</property>
+                        <property name="maximum_size"></property>
+                        <property name="min_size"></property>
+                        <property name="minimize_button">0</property>
+                        <property name="minimum_size"></property>
+                        <property name="moveable">1</property>
+                        <property name="name">title_label</property>
+                        <property name="pane_border">1</property>
+                        <property name="pane_position"></property>
+                        <property name="pane_size"></property>
+                        <property name="permission">protected</property>
+                        <property name="pin_button">1</property>
+                        <property name="pos"></property>
+                        <property name="resize">Resizable</property>
+                        <property name="show">1</property>
+                        <property name="size"></property>
+                        <property name="style"></property>
+                        <property name="subclass">; ; forward_declare</property>
+                        <property name="toolbar_pane">0</property>
+                        <property name="tooltip"></property>
+                        <property name="window_extra_style"></property>
+                        <property name="window_name"></property>
+                        <property name="window_style"></property>
+                        <property name="wrap">-1</property>
+                    </object>
+                </object>
+                <object class="sizeritem" expanded="0">
+                    <property name="border">10</property>
+                    <property name="flag">wxALL</property>
+                    <property name="proportion">0</property>
+                    <object class="wxStaticText" expanded="0">
+                        <property name="BottomDockable">1</property>
+                        <property name="LeftDockable">1</property>
+                        <property name="RightDockable">1</property>
+                        <property name="TopDockable">1</property>
+                        <property name="aui_layer"></property>
+                        <property name="aui_name"></property>
+                        <property name="aui_position"></property>
+                        <property name="aui_row"></property>
+                        <property name="best_size"></property>
+                        <property name="bg"></property>
+                        <property name="caption"></property>
+                        <property name="caption_visible">1</property>
+                        <property name="center_pane">0</property>
+                        <property name="close_button">1</property>
+                        <property name="context_help"></property>
+                        <property name="context_menu">1</property>
+                        <property name="default_pane">0</property>
+                        <property name="dock">Dock</property>
+                        <property name="dock_fixed">0</property>
+                        <property name="docking">Left</property>
+                        <property name="enabled">1</property>
+                        <property name="fg"></property>
+                        <property name="floatable">1</property>
+                        <property name="font"></property>
+                        <property name="gripper">0</property>
+                        <property name="hidden">0</property>
+                        <property name="id">wxID_ANY</property>
+                        <property name="label">Espanso couldn&apos;t load some files due to configuration errors. Some snippets or settings might not be available until you fix them.</property>
+                        <property name="markup">0</property>
+                        <property name="max_size"></property>
+                        <property name="maximize_button">0</property>
+                        <property name="maximum_size"></property>
+                        <property name="min_size"></property>
+                        <property name="minimize_button">0</property>
+                        <property name="minimum_size">-1,-1</property>
+                        <property name="moveable">1</property>
+                        <property name="name">info_label</property>
+                        <property name="pane_border">1</property>
+                        <property name="pane_position"></property>
+                        <property name="pane_size"></property>
+                        <property name="permission">protected</property>
+                        <property name="pin_button">1</property>
+                        <property name="pos"></property>
+                        <property name="resize">Resizable</property>
+                        <property name="show">1</property>
+                        <property name="size">-1,-1</property>
+                        <property name="style"></property>
+                        <property name="subclass">; ; forward_declare</property>
+                        <property name="toolbar_pane">0</property>
+                        <property name="tooltip"></property>
+                        <property name="window_extra_style"></property>
+                        <property name="window_name"></property>
+                        <property name="window_style"></property>
+                        <property name="wrap">-1</property>
+                    </object>
+                </object>
+                <object class="sizeritem" expanded="1">
+                    <property name="border">5</property>
+                    <property name="flag">wxEXPAND | wxALL</property>
+                    <property name="proportion">5</property>
+                    <object class="wxScrolledWindow" expanded="1">
+                        <property name="BottomDockable">1</property>
+                        <property name="LeftDockable">1</property>
+                        <property name="RightDockable">1</property>
+                        <property name="TopDockable">1</property>
+                        <property name="aui_layer"></property>
+                        <property name="aui_name"></property>
+                        <property name="aui_position"></property>
+                        <property name="aui_row"></property>
+                        <property name="best_size"></property>
+                        <property name="bg"></property>
+                        <property name="caption"></property>
+                        <property name="caption_visible">1</property>
+                        <property name="center_pane">0</property>
+                        <property name="close_button">1</property>
+                        <property name="context_help"></property>
+                        <property name="context_menu">1</property>
+                        <property name="default_pane">0</property>
+                        <property name="dock">Dock</property>
+                        <property name="dock_fixed">0</property>
+                        <property name="docking">Left</property>
+                        <property name="enabled">1</property>
+                        <property name="fg"></property>
+                        <property name="floatable">1</property>
+                        <property name="font"></property>
+                        <property name="gripper">0</property>
+                        <property name="hidden">0</property>
+                        <property name="id">wxID_ANY</property>
+                        <property name="max_size"></property>
+                        <property name="maximize_button">0</property>
+                        <property name="maximum_size"></property>
+                        <property name="min_size"></property>
+                        <property name="minimize_button">0</property>
+                        <property name="minimum_size"></property>
+                        <property name="moveable">1</property>
+                        <property name="name">scrollview</property>
+                        <property name="pane_border">1</property>
+                        <property name="pane_position"></property>
+                        <property name="pane_size"></property>
+                        <property name="permission">protected</property>
+                        <property name="pin_button">1</property>
+                        <property name="pos"></property>
+                        <property name="resize">Resizable</property>
+                        <property name="scroll_rate_x">5</property>
+                        <property name="scroll_rate_y">5</property>
+                        <property name="show">1</property>
+                        <property name="size"></property>
+                        <property name="subclass">; ; forward_declare</property>
+                        <property name="toolbar_pane">0</property>
+                        <property name="tooltip"></property>
+                        <property name="window_extra_style"></property>
+                        <property name="window_name"></property>
+                        <property name="window_style">wxHSCROLL|wxVSCROLL</property>
+                        <object class="wxBoxSizer" expanded="1">
+                            <property name="minimum_size"></property>
+                            <property name="name">scrollview_sizer</property>
+                            <property name="orient">wxVERTICAL</property>
+                            <property name="permission">protected</property>
+                        </object>
+                    </object>
+                </object>
+                <object class="sizeritem" expanded="1">
+                    <property name="border">10</property>
+                    <property name="flag">wxEXPAND</property>
+                    <property name="proportion">0</property>
+                    <object class="wxBoxSizer" expanded="1">
+                        <property name="minimum_size"></property>
+                        <property name="name">bSizer2</property>
+                        <property name="orient">wxHORIZONTAL</property>
+                        <property name="permission">none</property>
+                        <object class="sizeritem" expanded="0">
+                            <property name="border">10</property>
+                            <property name="flag">wxALIGN_CENTER_VERTICAL|wxALL</property>
+                            <property name="proportion">0</property>
+                            <object class="wxCheckBox" expanded="0">
+                                <property name="BottomDockable">1</property>
+                                <property name="LeftDockable">1</property>
+                                <property name="RightDockable">1</property>
+                                <property name="TopDockable">1</property>
+                                <property name="aui_layer"></property>
+                                <property name="aui_name"></property>
+                                <property name="aui_position"></property>
+                                <property name="aui_row"></property>
+                                <property name="best_size"></property>
+                                <property name="bg"></property>
+                                <property name="caption"></property>
+                                <property name="caption_visible">1</property>
+                                <property name="center_pane">0</property>
+                                <property name="checked">0</property>
+                                <property name="close_button">1</property>
+                                <property name="context_help"></property>
+                                <property name="context_menu">1</property>
+                                <property name="default_pane">0</property>
+                                <property name="dock">Dock</property>
+                                <property name="dock_fixed">0</property>
+                                <property name="docking">Left</property>
+                                <property name="enabled">1</property>
+                                <property name="fg"></property>
+                                <property name="floatable">1</property>
+                                <property name="font"></property>
+                                <property name="gripper">0</property>
+                                <property name="hidden">0</property>
+                                <property name="id">wxID_ANY</property>
+                                <property name="label">Don&apos;t show again for non-critical errors</property>
+                                <property name="max_size"></property>
+                                <property name="maximize_button">0</property>
+                                <property name="maximum_size"></property>
+                                <property name="min_size"></property>
+                                <property name="minimize_button">0</property>
+                                <property name="minimum_size"></property>
+                                <property name="moveable">1</property>
+                                <property name="name">dont_show_checkbox</property>
+                                <property name="pane_border">1</property>
+                                <property name="pane_position"></property>
+                                <property name="pane_size"></property>
+                                <property name="permission">protected</property>
+                                <property name="pin_button">1</property>
+                                <property name="pos"></property>
+                                <property name="resize">Resizable</property>
+                                <property name="show">1</property>
+                                <property name="size"></property>
+                                <property name="style"></property>
+                                <property name="subclass">; ; forward_declare</property>
+                                <property name="toolbar_pane">0</property>
+                                <property name="tooltip"></property>
+                                <property name="validator_data_type"></property>
+                                <property name="validator_style">wxFILTER_NONE</property>
+                                <property name="validator_type">wxDefaultValidator</property>
+                                <property name="validator_variable"></property>
+                                <property name="window_extra_style"></property>
+                                <property name="window_name"></property>
+                                <property name="window_style"></property>
+                                <event name="OnCheckBox">on_dont_show_change</event>
+                            </object>
+                        </object>
+                        <object class="sizeritem" expanded="0">
+                            <property name="border">5</property>
+                            <property name="flag">wxEXPAND</property>
+                            <property name="proportion">1</property>
+                            <object class="spacer" expanded="0">
+                                <property name="height">0</property>
+                                <property name="permission">protected</property>
+                                <property name="width">0</property>
+                            </object>
+                        </object>
+                        <object class="sizeritem" expanded="0">
+                            <property name="border">10</property>
+                            <property name="flag">wxALIGN_CENTER_VERTICAL|wxALL</property>
+                            <property name="proportion">0</property>
+                            <object class="wxButton" expanded="0">
+                                <property name="BottomDockable">1</property>
+                                <property name="LeftDockable">1</property>
+                                <property name="RightDockable">1</property>
+                                <property name="TopDockable">1</property>
+                                <property name="aui_layer"></property>
+                                <property name="aui_name"></property>
+                                <property name="aui_position"></property>
+                                <property name="aui_row"></property>
+                                <property name="best_size"></property>
+                                <property name="bg"></property>
+                                <property name="bitmap"></property>
+                                <property name="caption"></property>
+                                <property name="caption_visible">1</property>
+                                <property name="center_pane">0</property>
+                                <property name="close_button">1</property>
+                                <property name="context_help"></property>
+                                <property name="context_menu">1</property>
+                                <property name="current"></property>
+                                <property name="default">0</property>
+                                <property name="default_pane">0</property>
+                                <property name="disabled"></property>
+                                <property name="dock">Dock</property>
+                                <property name="dock_fixed">0</property>
+                                <property name="docking">Left</property>
+                                <property name="enabled">1</property>
+                                <property name="fg"></property>
+                                <property name="floatable">1</property>
+                                <property name="focus"></property>
+                                <property name="font"></property>
+                                <property name="gripper">0</property>
+                                <property name="hidden">0</property>
+                                <property name="id">wxID_ANY</property>
+                                <property name="label">Ignore errors</property>
+                                <property name="margins"></property>
+                                <property name="markup">0</property>
+                                <property name="max_size"></property>
+                                <property name="maximize_button">0</property>
+                                <property name="maximum_size"></property>
+                                <property name="min_size"></property>
+                                <property name="minimize_button">0</property>
+                                <property name="minimum_size"></property>
+                                <property name="moveable">1</property>
+                                <property name="name">ignore_button</property>
+                                <property name="pane_border">1</property>
+                                <property name="pane_position"></property>
+                                <property name="pane_size"></property>
+                                <property name="permission">protected</property>
+                                <property name="pin_button">1</property>
+                                <property name="pos"></property>
+                                <property name="position"></property>
+                                <property name="pressed"></property>
+                                <property name="resize">Resizable</property>
+                                <property name="show">1</property>
+                                <property name="size"></property>
+                                <property name="style"></property>
+                                <property name="subclass">; ; forward_declare</property>
+                                <property name="toolbar_pane">0</property>
+                                <property name="tooltip"></property>
+                                <property name="validator_data_type"></property>
+                                <property name="validator_style">wxFILTER_NONE</property>
+                                <property name="validator_type">wxDefaultValidator</property>
+                                <property name="validator_variable"></property>
+                                <property name="window_extra_style"></property>
+                                <property name="window_name"></property>
+                                <property name="window_style"></property>
+                                <event name="OnButtonClick">on_ignore</event>
+                            </object>
+                        </object>
+                    </object>
+                </object>
+            </object>
+        </object>
+    </object>
+</wxFormBuilder_Project>

espanso-modulo/src/sys/troubleshooting/troubleshooting_gui.cpp

@@ -0,0 +1,77 @@
+///////////////////////////////////////////////////////////////////////////
+// C++ code generated with wxFormBuilder (version Oct 26 2018)
+// http://www.wxformbuilder.org/
+//
+// PLEASE DO *NOT* EDIT THIS FILE!
+///////////////////////////////////////////////////////////////////////////
+
+#define _UNICODE
+
+#include "troubleshooting_gui.h"
+
+///////////////////////////////////////////////////////////////////////////
+
+TroubleshootingFrame::TroubleshootingFrame( wxWindow* parent, wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size, long style ) : wxFrame( parent, id, title, pos, size, style )
+{
+	this->SetSizeHints( wxDefaultSize, wxDefaultSize );
+	this->SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW ) );
+
+	wxBoxSizer* bSizer1;
+	bSizer1 = new wxBoxSizer( wxVERTICAL );
+
+
+	bSizer1->Add( 0, 10, 0, wxEXPAND, 5 );
+
+	title_label = new wxStaticText( this, wxID_ANY, wxT("Errors detected"), wxDefaultPosition, wxDefaultSize, 0 );
+	title_label->Wrap( -1 );
+	title_label->SetFont( wxFont( 20, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_BOLD, false, wxEmptyString ) );
+
+	bSizer1->Add( title_label, 0, wxALL, 10 );
+
+	info_label = new wxStaticText( this, wxID_ANY, wxT("Espanso couldn't load some files due to configuration errors. Some snippets or settings might not be available until you fix them."), wxDefaultPosition, wxSize( -1,-1 ), 0 );
+	info_label->Wrap( -1 );
+	bSizer1->Add( info_label, 0, wxALL, 10 );
+
+	scrollview = new wxScrolledWindow( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxHSCROLL|wxVSCROLL );
+	scrollview->SetScrollRate( 5, 5 );
+	scrollview_sizer = new wxBoxSizer( wxVERTICAL );
+
+
+	scrollview->SetSizer( scrollview_sizer );
+	scrollview->Layout();
+	scrollview_sizer->Fit( scrollview );
+	bSizer1->Add( scrollview, 5, wxEXPAND | wxALL, 5 );
+
+	wxBoxSizer* bSizer2;
+	bSizer2 = new wxBoxSizer( wxHORIZONTAL );
+
+	dont_show_checkbox = new wxCheckBox( this, wxID_ANY, wxT("Don't show again for non-critical errors"), wxDefaultPosition, wxDefaultSize, 0 );
+	bSizer2->Add( dont_show_checkbox, 0, wxALIGN_CENTER_VERTICAL|wxALL, 10 );
+
+
+	bSizer2->Add( 0, 0, 1, wxEXPAND, 5 );
+
+	ignore_button = new wxButton( this, wxID_ANY, wxT("Ignore errors"), wxDefaultPosition, wxDefaultSize, 0 );
+	bSizer2->Add( ignore_button, 0, wxALIGN_CENTER_VERTICAL|wxALL, 10 );
+
+
+	bSizer1->Add( bSizer2, 0, wxEXPAND, 10 );
+
+
+	this->SetSizer( bSizer1 );
+	this->Layout();
+
+	this->Centre( wxBOTH );
+
+	// Connect Events
+	dont_show_checkbox->Connect( wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEventHandler( TroubleshootingFrame::on_dont_show_change ), NULL, this );
+	ignore_button->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( TroubleshootingFrame::on_ignore ), NULL, this );
+}
+
+TroubleshootingFrame::~TroubleshootingFrame()
+{
+	// Disconnect Events
+	dont_show_checkbox->Disconnect( wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEventHandler( TroubleshootingFrame::on_dont_show_change ), NULL, this );
+	ignore_button->Disconnect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( TroubleshootingFrame::on_ignore ), NULL, this );
+
+}

espanso-modulo/src/sys/troubleshooting/troubleshooting_gui.h

@@ -0,0 +1,57 @@
+///////////////////////////////////////////////////////////////////////////
+// C++ code generated with wxFormBuilder (version Oct 26 2018)
+// http://www.wxformbuilder.org/
+//
+// PLEASE DO *NOT* EDIT THIS FILE!
+///////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include <wx/artprov.h>
+#include <wx/xrc/xmlres.h>
+#include <wx/string.h>
+#include <wx/stattext.h>
+#include <wx/gdicmn.h>
+#include <wx/font.h>
+#include <wx/colour.h>
+#include <wx/settings.h>
+#include <wx/sizer.h>
+#include <wx/scrolwin.h>
+#include <wx/checkbox.h>
+#include <wx/bitmap.h>
+#include <wx/image.h>
+#include <wx/icon.h>
+#include <wx/button.h>
+#include <wx/frame.h>
+
+///////////////////////////////////////////////////////////////////////////
+
+
+///////////////////////////////////////////////////////////////////////////////
+/// Class TroubleshootingFrame
+///////////////////////////////////////////////////////////////////////////////
+class TroubleshootingFrame : public wxFrame
+{
+	private:
+
+	protected:
+		wxStaticText* title_label;
+		wxStaticText* info_label;
+		wxScrolledWindow* scrollview;
+		wxBoxSizer* scrollview_sizer;
+		wxCheckBox* dont_show_checkbox;
+		wxButton* ignore_button;
+
+		// Virtual event handlers, overide them in your derived class
+		virtual void on_dont_show_change( wxCommandEvent& event ) { event.Skip(); }
+		virtual void on_ignore( wxCommandEvent& event ) { event.Skip(); }
+
+
+	public:
+
+		TroubleshootingFrame( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = wxT("Troubleshooting"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( 841,544 ), long style = wxDEFAULT_FRAME_STYLE|wxTAB_TRAVERSAL );
+
+		~TroubleshootingFrame();
+
+};
+

espanso-modulo/src/troubleshooting.rs

@@ -0,0 +1,50 @@
+/*
+ * This file is part of modulo.
+ *
+ * Copyright (C) 2020-2021 Federico Terzi
+ *
+ * modulo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * modulo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with modulo.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+use std::path::{Path, PathBuf};
+
+pub use crate::sys::troubleshooting::show;
+
+pub struct TroubleshootingOptions {
+  pub window_icon_path: Option<String>,
+  pub error_sets: Vec<ErrorSet>,
+  pub is_fatal_error: bool,
+
+  pub handlers: TroubleshootingHandlers,
+}
+
+pub struct ErrorSet {
+  pub file: Option<PathBuf>,
+  pub errors: Vec<ErrorRecord>,
+}
+
+pub struct ErrorRecord {
+  pub level: ErrorLevel,
+  pub message: String,
+}
+
+pub enum ErrorLevel {
+  Error,
+  Warning,
+}
+
+pub struct TroubleshootingHandlers {
+  pub dont_show_again_changed: Option<Box<dyn Fn(bool) + Send>>,
+  pub open_file: Option<Box<dyn Fn(&Path) + Send>>,
+}