From 32ece8eb212c1a473d1d9ec13ad1acc2211e9275 Mon Sep 17 00:00:00 2001 From: lynnux Date: Sat, 28 May 2022 21:28:59 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E9=9D=9E=E9=80=8F=E6=98=8E?= =?UTF-8?q?=E6=83=85=E5=86=B5=E4=BB=8D=E7=84=B6=E4=BC=9A=E7=BD=AE=E9=A1=B6?= =?UTF-8?q?=E7=9A=84=E9=97=AE=E9=A2=98=EF=BC=8C=E5=88=A0=E9=99=A4=E9=83=A8?= =?UTF-8?q?=E5=88=86=E4=BB=A3=E7=A0=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/transparent.rs | 137 +++++++++++++++++++++------------------------ 1 file changed, 64 insertions(+), 73 deletions(-) diff --git a/src/transparent.rs b/src/transparent.rs index 8267865..5c69462 100644 --- a/src/transparent.rs +++ b/src/transparent.rs @@ -21,7 +21,7 @@ use winapi::um::winuser::*; // 查看过release，确实把format!给优化了，没有内存分配 macro_rules! debug_output { ($str:expr) => { - #[cfg(debug_assertions)] + // #[cfg(debug_assertions)] #[allow(unused_unsafe)] unsafe { use winapi::um::debugapi::*; @@ -106,33 +106,47 @@ lazy_static! { static ref SHADOW_WNDOWS: Mutex> = Mutex::new(HashMap::new()); } static mut SHADOW_BRUSH: HBRUSH = std::ptr::null_mut(); +static mut SHADOW_DISABLED: bool = false; fn set_window_pos(pthis: &ShadowData, parent: Option) { let x = pthis.xpos.load(Ordering::SeqCst).into(); let y = pthis.ypos.load(Ordering::SeqCst).into(); let w = pthis.width.load(Ordering::SeqCst).into(); let h = pthis.height.load(Ordering::SeqCst).into(); + unsafe { - SetWindowPos( - pthis.hwnd as HWND, - HWND_TOPMOST, //std::ptr::null_mut(),//HWND_TOPMOST, //,//HWND_NOTOPMOST,// - x, - y, - w, - h, - //SWP_SHOWWINDOW | SWP_NOACTIVATE, - SWP_SHOWWINDOW | SWP_NOACTIVATE, // | , // SWP_NOSIZE SWP_NOZORDER - ); - if let Some(hp) = parent { + if SHADOW_DISABLED { + // 非透明情况下仍然需要更新位置，不然重新透明时窗口会挫位 SetWindowPos( - hp, - HWND_TOPMOST, //HWND_TOP - 0, - 0, - 0, - 0, - SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE, + pthis.hwnd as HWND, + std::ptr::null_mut(), + x, + y, + w, + h, + SWP_HIDEWINDOW | SWP_NOACTIVATE, ); + } else { + SetWindowPos( + pthis.hwnd as HWND, + HWND_TOPMOST, + x, + y, + w, + h, + SWP_SHOWWINDOW | SWP_NOACTIVATE, // SWP_NOSIZE SWP_NOZORDER + ); + if let Some(hp) = parent { + SetWindowPos( + hp, + HWND_TOPMOST, + 0, + 0, + 0, + 0, + SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE, + ); + } } } } @@ -183,7 +197,7 @@ fn create_shadow_window(hwd_parent: HWND) -> Option { org_winproc: 0, }; set_window_pos(&sd, Some(hwd_parent)); - redraw_window(&sd); + return Some(sd); } } @@ -209,31 +223,17 @@ unsafe extern "system" fn cwndshadow_window_proc( return DefWindowProcA(hwnd, msg, wparam, lparam); } -// fn redraw(hdc: HDC, pthis: &ShadowData) { -// unsafe { -// if !SHADOW_BRUSH.is_null() { -// let mut rc: RECT = std::mem::zeroed(); -// rc.left = 0; -// rc.top = 0; -// rc.right = pthis.width.load(Ordering::SeqCst) as i32; -// rc.bottom = pthis.height.load(Ordering::SeqCst) as i32; -// FillRect(hdc, &rc, SHADOW_BRUSH as *mut _); -// } -// } -// } -fn redraw_window(_pthis: &ShadowData) { - debug_output!("child redraw_window".to_owned()); - return; - - // unsafe { - // let hdc = GetDC(pthis.hwnd as HWND); - // if !hdc.is_null() { - // redraw(hdc, &pthis); - // ReleaseDC(pthis.hwnd as HWND, hdc); - // } - // } +fn show_window(hwnd: HWND, show: bool) { + unsafe { + if show { + if !SHADOW_DISABLED { + ShowWindow(hwnd as HWND, SW_SHOWNA); + } + } else { + ShowWindow(hwnd as HWND, SW_HIDE); + } + } } - extern "system" fn window_proc(hwnd: HWND, msg: u32, wparam: WPARAM, lparam: LPARAM) -> LRESULT { unsafe { let data; @@ -245,7 +245,6 @@ extern "system" fn window_proc(hwnd: HWND, msg: u32, wparam: WPARAM, lparam: LPA return DefWindowProcW(hwnd, msg, wparam, lparam); } } - // debug_output!(format!("message:{}", msg)); let pthis = data; if msg == WM_MOVE { let x = LOWORD(lparam as DWORD); @@ -267,11 +266,10 @@ extern "system" fn window_proc(hwnd: HWND, msg: u32, wparam: WPARAM, lparam: LPA pthis.width.store(w, Ordering::SeqCst); pthis.height.store(h, Ordering::SeqCst); set_window_pos(&pthis, Some(hwnd)); - redraw_window(&pthis); } if SIZE_MAXIMIZED == wparam || SIZE_MINIMIZED == wparam { if SIZE_MINIMIZED == wparam { - ShowWindow(pthis.hwnd as HWND, SW_HIDE); + show_window(pthis.hwnd as HWND, false); out += " SIZE_MINIMIZED"; } else { out += " SIZE_MINIMIZED"; @@ -282,26 +280,21 @@ extern "system" fn window_proc(hwnd: HWND, msg: u32, wparam: WPARAM, lparam: LPA if msg == WM_SHOWWINDOW { if wparam == 0 { debug_output!("WM_SHOWWINDOW SW_HIDE".to_owned()); - ShowWindow(pthis.hwnd as HWND, SW_HIDE); + show_window(pthis.hwnd as HWND, false); } else { debug_output!("WM_SHOWWINDOW SHOW".to_owned()); - ShowWindow(pthis.hwnd as HWND, SW_SHOWNA); + show_window(pthis.hwnd as HWND, true); } } if msg == WM_PAINT { debug_output!("parent WM_PAINT".to_owned()); - // update_shadow_window(pthis.hwnd as HWND); - redraw_window(&pthis); - } - if msg == WM_EXITSIZEMOVE { - redraw_window(&pthis); } if msg == WM_SETFOCUS { debug_output!("WM_SETFOCUS".to_owned()); } if msg == WM_DESTROY { debug_output!("WM_DESTROY".to_owned()); - ShowWindow(pthis.hwnd as HWND, SW_HIDE); + show_window(pthis.hwnd as HWND, false); DestroyWindow(pthis.hwnd as HWND); } if msg == WM_NCDESTROY { @@ -361,7 +354,6 @@ fn get_current_process_wnd() -> Option> { } } - fn set_transparent_one_frame(alpha: u8, hwnd: HWND) { unsafe { let old_style = GetWindowLongPtrW(hwnd, GWL_EXSTYLE); @@ -388,21 +380,19 @@ fn set_background_transparent_one_frame(hwnd: HWND, r: u8, g: u8, b: u8) { } fn enable_shadow_windows(enable: bool, alpha: u8) { - unsafe { - let mut temp = Vec::new(); - { - let sw = SHADOW_WNDOWS.lock().unwrap(); - for (_, s) in sw.iter() { - temp.push(s.hwnd); - } + let mut temp = Vec::new(); + { + let sw = SHADOW_WNDOWS.lock().unwrap(); + for (_, s) in sw.iter() { + temp.push(s.hwnd); } - for hwnd in temp { - if enable { - set_transparent_one_frame(alpha, hwnd as HWND); - ShowWindow(hwnd as HWND, SW_SHOWNA); - } else { - ShowWindow(hwnd as HWND, SW_HIDE); - } + } + for hwnd in temp { + if enable { + set_transparent_one_frame(alpha, hwnd as HWND); + show_window(hwnd as HWND, true); + } else { + show_window(hwnd as HWND, false); } } } @@ -454,11 +444,12 @@ pub fn set_background(alpha: u8, r: u8, g: u8, b: u8) -> Result<()> { } let mut enable = true; let emacs_windows = get_current_process_wnd(); + SHADOW_DISABLED = alpha == 255; // 先给所有Emacs窗口设置透明颜色 if let Some(hwnd) = &emacs_windows { for hp in hwnd { let h = *hp; - if alpha != 255 { + if !SHADOW_DISABLED { hook_emacs_windproc(h); set_background_transparent_one_frame(h, r, g, b); } else { @@ -472,7 +463,7 @@ pub fn set_background(alpha: u8, r: u8, g: u8, b: u8) -> Result<()> { enable_shadow_windows(enable, alpha); // 再把emacs置顶一下 - if alpha != 255{ + if !SHADOW_DISABLED { if let Some(hwnd) = &emacs_windows { for hp in hwnd { SetWindowPos( @@ -485,7 +476,7 @@ pub fn set_background(alpha: u8, r: u8, g: u8, b: u8) -> Result<()> { SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE, ); } - } + } } } Ok(())