35edcf2ed6
Resizing a window in Wayland caused cursor motion events in the window which could be seen as buttons flashing when the cursor was detected as hovering over buttons. This was caused by two bugs: - Missing checks for failure to access the cursor location before converting the coordinates from GHOST to screen-space meant the wmWindow::eventstate location would move each time the location was updated. - Resizing the window wasn't detecting state changes and would continuously send window activation events. Window activation set wmWindpw::addmousemove which triggered the previous bug, making the cursor flicker during resize. This commit only addresses the first issue, where failure to access the cursor location wasn't accounted for (window activation will be fixed separately). All GHOST_GetCursorPosition & wm_cursor_position_get calls now account for failure, resolving uninitialized stack memory use in some cases. This resolves similar issues for macOS, WIN32 & X11 although it seems likely these platforms rarely fail to access the cursor location.
146 lines
4.9 KiB
C++
146 lines
4.9 KiB
C++
/* SPDX-FileCopyrightText: 2007 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup wm
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*/
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#pragma once
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#include "BLI_compiler_attrs.h"
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struct bContext;
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struct Main;
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struct PointerRNA;
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struct wmOperator;
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struct wmOperatorType;
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struct wmWindow;
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struct wmWindowManager;
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/* *************** internal api ************** */
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/**
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* \note #bContext can be null in background mode because we don't
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* need to event handling.
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*/
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void wm_ghost_init(bContext *C);
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void wm_ghost_init_background();
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void wm_ghost_exit();
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/**
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* This one should correctly check for apple top header...
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* done for Cocoa: returns window contents (and not frame) max size.
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* \return true on success.
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*/
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bool wm_get_screensize(int *r_width, int *r_height) ATTR_NONNULL(1, 2) ATTR_WARN_UNUSED_RESULT;
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/**
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* Size of all screens (desktop), useful since the mouse is bound by this.
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* \return true on success.
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*/
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bool wm_get_desktopsize(int *r_width, int *r_height) ATTR_NONNULL(1, 2) ATTR_WARN_UNUSED_RESULT;
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/**
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* Don't change context itself.
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*/
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wmWindow *wm_window_new(const Main *bmain, wmWindowManager *wm, wmWindow *parent, bool dialog);
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/**
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* Part of `wm_window.cc` API.
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*/
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wmWindow *wm_window_copy(
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Main *bmain, wmWindowManager *wm, wmWindow *win_src, bool duplicate_layout, bool child);
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/**
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* A higher level version of copy that tests the new window can be added.
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* (called from the operator directly).
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*/
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wmWindow *wm_window_copy_test(bContext *C, wmWindow *win_src, bool duplicate_layout, bool child);
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/**
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* Including window itself.
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* \param C: can be NULL.
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* \note #ED_screen_exit should have been called.
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*/
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void wm_window_free(bContext *C, wmWindowManager *wm, wmWindow *win);
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/**
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* This is event from ghost, or exit-Blender operator.
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*/
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void wm_window_close(bContext *C, wmWindowManager *wm, wmWindow *win);
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void wm_window_title(wmWindowManager *wm, wmWindow *win);
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/**
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* Initialize #wmWindow without `ghostwin`, open these and clear.
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*
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* Window size is read from window, if 0 it uses prefsize
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* called in #WM_check, also initialize stuff after file read.
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*
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* \warning After running, `win->ghostwin` can be NULL in rare cases
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* (where OpenGL driver fails to create a context for eg).
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* We could remove them with #wm_window_ghostwindows_remove_invalid
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* but better not since caller may continue to use.
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* Instead, caller needs to handle the error case and cleanup.
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*/
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void wm_window_ghostwindows_ensure(wmWindowManager *wm);
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/**
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* Call after #wm_window_ghostwindows_ensure or #WM_check
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* (after loading a new file) in the unlikely event a window couldn't be created.
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*/
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void wm_window_ghostwindows_remove_invalid(bContext *C, wmWindowManager *wm);
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void wm_window_events_process(const bContext *C);
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void wm_window_clear_drawable(wmWindowManager *wm);
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void wm_window_make_drawable(wmWindowManager *wm, wmWindow *win);
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/**
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* Reset active the current window gpu drawing context.
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*/
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void wm_window_reset_drawable();
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void wm_window_raise(wmWindow *win);
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void wm_window_lower(wmWindow *win);
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void wm_window_set_size(wmWindow *win, int width, int height);
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void wm_window_get_position(wmWindow *win, int *r_pos_x, int *r_pos_y);
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/**
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* \brief Push rendered buffer to the screen.
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*/
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void wm_window_swap_buffers(wmWindow *win);
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void wm_window_set_swap_interval(wmWindow *win, int interval);
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bool wm_window_get_swap_interval(wmWindow *win, int *intervalOut);
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bool wm_cursor_position_get(wmWindow *win, int *r_x, int *r_y) ATTR_WARN_UNUSED_RESULT;
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void wm_cursor_position_from_ghost_screen_coords(wmWindow *win, int *r_x, int *r_y);
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void wm_cursor_position_to_ghost_screen_coords(wmWindow *win, int *x, int *y);
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void wm_cursor_position_from_ghost_client_coords(wmWindow *win, int *x, int *y);
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void wm_cursor_position_to_ghost_client_coords(wmWindow *win, int *x, int *y);
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#ifdef WITH_INPUT_IME
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void wm_window_IME_begin(wmWindow *win, int x, int y, int w, int h, bool complete);
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void wm_window_IME_end(wmWindow *win);
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#endif
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/**
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* Effectively remove timers from the list and delete them. Calling this should only be done by
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* internal WM management code, from specific, safe places.
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*/
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void wm_window_timers_delete_removed(wmWindowManager *wm);
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/* *************** window operators ************** */
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int wm_window_close_exec(bContext *C, wmOperator *op);
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/**
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* Full-screen operator callback.
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*/
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int wm_window_fullscreen_toggle_exec(bContext *C, wmOperator *op);
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/**
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* Call the quit confirmation prompt or exit directly if needed. The use can
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* still cancel via the confirmation popup. Also, this may not quit Blender
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* immediately, but rather schedule the closing.
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*
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* \param win: The window to show the confirmation popup/window in.
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*/
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void wm_quit_with_optional_confirmation_prompt(bContext *C, wmWindow *win) ATTR_NONNULL();
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int wm_window_new_exec(bContext *C, wmOperator *op);
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int wm_window_new_main_exec(bContext *C, wmOperator *op);
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void wm_test_autorun_revert_action_set(wmOperatorType *ot, PointerRNA *ptr);
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void wm_test_autorun_warning(bContext *C);
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