On 2012-09-30, Oleksandr Gavenko wrote: > I want to debug strange behaviour (if any interesting look below). > [SKIP] > > With ~/.fvwm/config with only: > > DestroyFunc MyFuncFocusWindow > AddToFunc MyFuncFocusWindow > + I FlipFocus > # + I WarpToWindow 50 50 > DestroyModuleConfig FvwmEvent-NewWindow > *FvwmEvent-NewWindow: Cmd > *FvwmEvent-NewWindow: add_window MyFuncFocusWindow > > AddToFunc StartFunction I Module FvwmEvent > AddToFunc StartFunction I FvwmEvent FvwmEvent-NewWindow > > I have non expected behaviour in Emacs. Lets explain: with "M-x ediff-buffer" > command in Emacs Emacs spawn new window. By default it places on top right > corner of current page/desk. > > But with MyFuncFocusWindow ediff window appear one page below and one page > right. > > By design ediff window is helper window and must be showed on same page as > main Emacs window. > > Such behaviour reproduced with Focus, FlipFocus, and WarpToWindow command. > > If I restart Fvwm without killing fvwm (through default menu) strange > behaviour disappear. > > I think that ediff window appear with some offset from main Emacs window, and > then move itself to proper place. FvwmEvent injected in the middle of this > process and break it. > I slowly move on debugging my issue.
Recently I found such settings: Module FvwmDebug BugOpts DisplayNewWindowNames on BugOpts ExplainWindowPlacement on which show that original ediff window opened with large offset out of my display resolution (I skip a lot of event so may be delete some essential info): [fvwm][__explain_placement]: placed new window 0x1c02442 'Ediff': initial size 138x58 desk 2 (current desk) current page screen: current screen: 0 0 1280x1024 (current screen) position 1281 1025 (used user specified position) M_ADD_WINDOW win_id 0x1c02442 frame_id 0x0c00a01 ptr 140736654276488 frame_x 1281 frame_y 1025 frame_width 138 frame_height 58 desk 2 layer 4 win_width 0 win_height 0 resize_width_inc 7 resize_height_inc 14 minimum_width 7 minimum_height 14 maximum_width 14 maximum_height 14 icon_title_id 0x0007fff icon_image_id 0x0007fff gravity 0 fore_color rgb:00/00/00 back_color rgb:00/00/01 ewmh_layer 13882323 ewmh_desktop 6908265 ewmh_window_type 0 M_WINDOW_NAME win_id 0x1c02442 frame_id 0x0c00a01 ptr 16023696 name "Ediff" M_RESTACK win_id 0x140000b frame_id 0x0c00416 ptr 16005920 low_windows (2) [1] win_id 0x1c02442 [1] frame_id 0x0c00a01 [1] ptr 16023696 [2] win_id 0x1c00018 [2] frame_id 0x0c003f8 [2] ptr 15997632 M_RES_CLASS win_id 0x1c02442 frame_id 0x0c00a01 ptr 16023696 name "Emacs" M_RAISE_WINDOW win_id 0x1c02442 frame_id 0x0c00a01 ptr 16023696 M_MAP win_id 0x1c02442 frame_id 0x0c00a01 ptr 16023696 M_NEW_PAGE vp_x 1280 vp_y 1024 desk_n 2 vp_width 1280 vp_height 1024 desk_pages_x 3 desk_pages_y 3 M_RAISE_WINDOW win_id 0x1c02442 frame_id 0x0c00a01 ptr 16023696 I don't understand M_NEW_PAGE event. -- Best regards!