First draft of context menu on windows

This commit is contained in:
Federico Terzi 2019-09-11 15:51:45 +02:00
parent 1602f1c014
commit a8300832bc
5 changed files with 177 additions and 27 deletions

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@ -7,6 +7,8 @@
#define UNICODE
#include <Windows.h>
#include <strsafe.h>
#include <shellapi.h>
// How many milliseconds must pass between keystrokes to refresh the keyboard layout
const long refreshKeyboardLayoutInterval = 2000;
@ -275,11 +277,21 @@ int32_t get_active_window_executable(wchar_t * buffer, int32_t size) {
}
// UI
#define APPWM_ICONNOTIFY (WM_APP + 1)
const wchar_t* const notification_winclass = L"EspansoNotification";
HWND nw = NULL;
HWND hwnd_st_u = NULL;
HBITMAP g_espanso_icon = NULL;
HBITMAP g_espanso_bmp = NULL;
HICON g_espanso_ico = NULL;
MenuItemCallback menu_item_callback = NULL;
void * ui_manager_instance;
void register_menu_item_callback(void *self, MenuItemCallback callback) {
menu_item_callback = callback;
ui_manager_instance = self;
}
/*
* Message handler procedure for the notification window
@ -293,8 +305,49 @@ LRESULT CALLBACK notification_worker_procedure(HWND window, unsigned int msg, WP
case WM_DESTROY:
std::cout << "\ndestroying window\n";
PostQuitMessage(0);
DeleteObject(g_espanso_icon);
DeleteObject(g_espanso_bmp);
return 0L;
case WM_MENUSELECT:
{
HMENU hmenu = (HMENU)lp;
UINT idItem = (UINT)LOWORD(wp);
UINT flags = (UINT)HIWORD(wp);
if (flags & MF_CHECKED) {
// TODO: callback
}
break;
}
case APPWM_ICONNOTIFY:
{
switch (lp)
{
case WM_LBUTTONUP:
case WM_RBUTTONUP:
HMENU hPopupMenu = CreatePopupMenu();
// Create the menu
int32_t count;
MenuItem items[100];
// Load the items
menu_item_callback(ui_manager_instance, items, &count);
for (int i = 0; i<count; i++) {
if (items[i].type == 1) {
InsertMenu(hPopupMenu, 0, MF_BYPOSITION | MF_STRING, items[i].id, items[i].name);
}
}
POINT pt;
GetCursorPos(&pt);
SetForegroundWindow(nw);
TrackPopupMenu(hPopupMenu, TPM_BOTTOMALIGN | TPM_LEFTALIGN, pt.x, pt.y, 0, nw, NULL);
break;
}
}
case WM_PAINT:
{
BITMAP bm;
@ -303,9 +356,9 @@ LRESULT CALLBACK notification_worker_procedure(HWND window, unsigned int msg, WP
HDC hdc = BeginPaint(window, &ps);
HDC hdcMem = CreateCompatibleDC(hdc);
HBITMAP hbmOld = (HBITMAP) SelectObject(hdcMem, g_espanso_icon);
HBITMAP hbmOld = (HBITMAP) SelectObject(hdcMem, g_espanso_bmp);
GetObject(g_espanso_icon, sizeof(bm), &bm);
GetObject(g_espanso_bmp, sizeof(bm), &bm);
BitBlt(hdc, 10, 10, 80, 80, hdcMem, 0, 0, SRCCOPY);
@ -328,8 +381,9 @@ LRESULT CALLBACK notification_worker_procedure(HWND window, unsigned int msg, WP
}
}
int32_t initialize_ui(wchar_t * icon_path) {
g_espanso_icon = (HBITMAP)LoadImage(NULL, icon_path, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
int32_t initialize_ui(wchar_t * ico_path, wchar_t * bmp_path) {
g_espanso_bmp = (HBITMAP)LoadImage(NULL, bmp_path, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
g_espanso_ico = (HICON)LoadImage(NULL, ico_path, IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR | LR_SHARED | LR_DEFAULTSIZE | LR_LOADFROMFILE);
SetThreadDpiAwarenessContext(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE);
@ -353,7 +407,7 @@ int32_t initialize_ui(wchar_t * icon_path) {
{
// Docs: https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-createwindowexw
nw = CreateWindowEx(
WS_EX_TOOLWINDOW, // dwExStyle: The extended window style of the window being created.
WS_EX_TOOLWINDOW | WS_EX_TOPMOST, // dwExStyle: The extended window style of the window being created.
notification_winclass, // lpClassName: A null-terminated string or a class atom created by a previous call to the RegisterClass
L"Espanso Notification", // lpWindowName: The window name.
WS_POPUPWINDOW, // dwStyle: The style of the window being created.
@ -388,6 +442,23 @@ int32_t initialize_ui(wchar_t * icon_path) {
// Hide the window
ShowWindow(nw, SW_HIDE);
// Setup the icon in the notification space
SendMessage(nw, WM_SETICON, ICON_BIG, (LPARAM)g_espanso_ico);
SendMessage(nw, WM_SETICON, ICON_SMALL, (LPARAM)g_espanso_ico);
//Notification
NOTIFYICONDATA nid = {};
nid.cbSize = sizeof(nid);
nid.hWnd = nw;
nid.uID = 1;
nid.uFlags = NIF_ICON | NIF_TIP | NIF_MESSAGE;
nid.uCallbackMessage = APPWM_ICONNOTIFY;
nid.hIcon = g_espanso_ico;
StringCchCopy(nid.szTip, ARRAYSIZE(nid.szTip), L"espanso");
// Show the notification.
Shell_NotifyIcon(NIM_ADD, &nid);
// Enter the Event loop
MSG msg;
while (GetMessage(&msg, 0, 0, 0)) DispatchMessage(&msg);
@ -403,7 +474,7 @@ int32_t initialize_ui(wchar_t * icon_path) {
int32_t show_notification(wchar_t * message) {
if (nw != NULL) {
SetWindowText(hwnd_st_u, L" ");
SetWindowText(hwnd_st_u, L" "); // Clear the previous text
SetWindowText(hwnd_st_u, message);
// Show the window

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@ -59,7 +59,26 @@ extern "C" int32_t get_active_window_executable(wchar_t * buffer, int32_t size);
/*
* Initialize the notification window.
*/
extern "C" int32_t initialize_ui(wchar_t * icon_path);
extern "C" int32_t initialize_ui(wchar_t * ico_path, wchar_t * bmp_path);
// CONTEXT MENU
typedef struct {
int32_t id;
int32_t type;
wchar_t name[100];
} MenuItem;
/*
* Called when the context menu is created.
*/
typedef void (*MenuItemCallback)(void * self, MenuItem * items, int32_t * item_count);
extern MenuItemCallback menu_item_callback;
extern void * ui_manager_instance;
extern "C" void register_menu_item_callback(void *self, MenuItemCallback callback);
// NOTIFICATION
/*
* Show a window containing the notification.

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@ -1,5 +1,12 @@
use std::os::raw::{c_void};
#[repr(C)]
pub struct WindowsMenuItem {
pub item_id: i32,
pub item_type: i32,
pub item_name: [u16; 100],
}
#[allow(improper_ctypes)]
#[link(name="winbridge", kind="static")]
extern {
@ -8,9 +15,12 @@ extern {
pub fn get_active_window_executable(buffer: *mut u16, size: i32) -> i32;
// UI
pub fn initialize_ui(icon_path: *const u16) -> i32;
pub fn initialize_ui(ico_path: *const u16, bmp_path: *const u16) -> i32;
pub fn show_notification(message: *const u16) -> i32;
pub fn close_notification();
pub fn register_menu_item_callback(s: *const c_void,
cb: extern fn(_self: *mut c_void, *mut WindowsMenuItem,
*mut i32));
// KEYBOARD
pub fn register_keypress_callback(s: *const c_void,

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@ -1,15 +1,17 @@
use std::process::Command;
use crate::bridge::windows::{show_notification, close_notification, initialize_ui};
use crate::bridge::windows::{show_notification, close_notification, initialize_ui, WindowsMenuItem, register_menu_item_callback};
use widestring::U16CString;
use std::{fs, thread, time};
use log::{info, debug};
use std::sync::Mutex;
use std::sync::Arc;
use std::fs::create_dir_all;
use std::os::raw::c_void;
const ICON_BINARY : &'static [u8] = include_bytes!("../res/win/espanso.bmp");
const BMP_BINARY : &'static [u8] = include_bytes!("../res/win/espanso.bmp");
const ICO_BINARY : &'static [u8] = include_bytes!("../res/win/espanso.ico");
pub struct WindowsUIManager {
icon_file: String,
id: Arc<Mutex<i32>>
}
@ -51,31 +53,79 @@ impl super::UIManager for WindowsUIManager {
impl WindowsUIManager {
pub fn new() -> WindowsUIManager {
let res = dirs::cache_dir();
let mut icon_file:String = "".to_owned();
if let Some(cache_dir) = res {
let espanso_icon_file = cache_dir.join("espansoicon.bmp");
let data_dir = dirs::data_dir().expect("Can't obtain data_dir(), terminating.");
fs::write(&espanso_icon_file, ICON_BINARY)
.expect("Unable to write windows icon file");
let espanso_dir = data_dir.join("espanso");
icon_file = espanso_icon_file.to_str().unwrap_or(&"".to_owned()).to_owned();
let res = create_dir_all(&espanso_dir);
info!("Initializing Espanso resources in {}", espanso_dir.as_path().display());
let espanso_bmp_image = espanso_dir.join("espansoicon.bmp");
if espanso_bmp_image.exists() {
info!("BMP already initialized, skipping.");
}else {
fs::write(&espanso_bmp_image, BMP_BINARY)
.expect("Unable to write windows bmp file");
info!("Extracted bmp icon to: {}", espanso_bmp_image.to_str().unwrap_or("error"));
}
info!("Extracted cached icon to: {}", icon_file);
let espanso_ico_image = espanso_dir.join("espanso.ico");
if espanso_ico_image.exists() {
info!("ICO already initialized, skipping.");
}else {
fs::write(&espanso_ico_image, ICO_BINARY)
.expect("Unable to write windows ico file");
info!("Extracted 'ico' icon to: {}", espanso_ico_image.to_str().unwrap_or("error"));
}
let bmp_icon = espanso_bmp_image.to_str().unwrap_or_default();
let ico_icon = espanso_ico_image.to_str().unwrap_or_default();
let id = Arc::new(Mutex::new(0));
let icon_file_c = U16CString::from_str(&icon_file).unwrap();
let ico_file_c = U16CString::from_str(ico_icon).unwrap();
let bmp_file_c = U16CString::from_str(bmp_icon).unwrap();
let manager = WindowsUIManager {
id
};
// Setup the menu item callback
unsafe {
let self_ptr = &manager as *const WindowsUIManager as *const c_void;
register_menu_item_callback(self_ptr, menu_item_callback);
}
thread::spawn(move || {
unsafe {
initialize_ui(icon_file_c.as_ptr());
initialize_ui(ico_file_c.as_ptr(), bmp_file_c.as_ptr());
}
});
WindowsUIManager {
icon_file,
id
}
manager
}
}
// NATIVE
extern fn menu_item_callback(_self: *mut c_void, items: *mut WindowsMenuItem, count: *mut i32) {
unsafe {
let _self = _self as *mut WindowsUIManager;
let str = U16CString::from_str("Test").unwrap_or_default();
let mut str_buff : [u16; 100] = [0; 100];
std::ptr::copy(str.as_ptr(), str_buff.as_mut_ptr(), str.len());
let item = WindowsMenuItem {
item_id: 1,
item_type: 1,
item_name: str_buff,
};
let items = unsafe { std::slice::from_raw_parts_mut(items, 100) };
items[0] = item;
*count = 1;
}
}