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-rw-r--r--scene/gui/scroll_container.cpp175
1 files changed, 100 insertions, 75 deletions
diff --git a/scene/gui/scroll_container.cpp b/scene/gui/scroll_container.cpp
index a6aa4707ff..b678f46091 100644
--- a/scene/gui/scroll_container.cpp
+++ b/scene/gui/scroll_container.cpp
@@ -1,32 +1,32 @@
-/*************************************************************************/
-/* scroll_container.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
-/* */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the */
-/* "Software"), to deal in the Software without restriction, including */
-/* without limitation the rights to use, copy, modify, merge, publish, */
-/* distribute, sublicense, and/or sell copies of the Software, and to */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions: */
-/* */
-/* The above copyright notice and this permission notice shall be */
-/* included in all copies or substantial portions of the Software. */
-/* */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
-/*************************************************************************/
+/**************************************************************************/
+/* scroll_container.cpp */
+/**************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/**************************************************************************/
#include "scroll_container.h"
@@ -107,45 +107,65 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
double prev_v_scroll = v_scroll->get_value();
double prev_h_scroll = h_scroll->get_value();
+ bool h_scroll_enabled = horizontal_scroll_mode != SCROLL_MODE_DISABLED;
+ bool v_scroll_enabled = vertical_scroll_mode != SCROLL_MODE_DISABLED;
Ref<InputEventMouseButton> mb = p_gui_input;
if (mb.is_valid()) {
- if (mb->get_button_index() == MouseButton::WHEEL_UP && mb->is_pressed()) {
- // only horizontal is enabled, scroll horizontally
- if (h_scroll->is_visible() && (!v_scroll->is_visible() || mb->is_shift_pressed())) {
- h_scroll->set_value(h_scroll->get_value() - h_scroll->get_page() / 8 * mb->get_factor());
- } else if (v_scroll->is_visible_in_tree()) {
- v_scroll->set_value(v_scroll->get_value() - v_scroll->get_page() / 8 * mb->get_factor());
+ if (mb->is_pressed()) {
+ bool scroll_value_modified = false;
+
+ bool v_scroll_hidden = !v_scroll->is_visible() && vertical_scroll_mode != SCROLL_MODE_SHOW_NEVER;
+ if (mb->get_button_index() == MouseButton::WHEEL_UP) {
+ // By default, the vertical orientation takes precedence. This is an exception.
+ if ((h_scroll_enabled && mb->is_shift_pressed()) || v_scroll_hidden) {
+ h_scroll->set_value(prev_h_scroll - h_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ } else if (v_scroll_enabled) {
+ v_scroll->set_value(prev_v_scroll - v_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ }
}
- }
-
- if (mb->get_button_index() == MouseButton::WHEEL_DOWN && mb->is_pressed()) {
- // only horizontal is enabled, scroll horizontally
- if (h_scroll->is_visible() && (!v_scroll->is_visible() || mb->is_shift_pressed())) {
- h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() / 8 * mb->get_factor());
- } else if (v_scroll->is_visible()) {
- v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() / 8 * mb->get_factor());
+ if (mb->get_button_index() == MouseButton::WHEEL_DOWN) {
+ if ((h_scroll_enabled && mb->is_shift_pressed()) || v_scroll_hidden) {
+ h_scroll->set_value(prev_h_scroll + h_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ } else if (v_scroll_enabled) {
+ v_scroll->set_value(prev_v_scroll + v_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ }
}
- }
- if (mb->get_button_index() == MouseButton::WHEEL_LEFT && mb->is_pressed()) {
- if (h_scroll->is_visible_in_tree()) {
- h_scroll->set_value(h_scroll->get_value() - h_scroll->get_page() * mb->get_factor() / 8);
+ bool h_scroll_hidden = !h_scroll->is_visible() && horizontal_scroll_mode != SCROLL_MODE_SHOW_NEVER;
+ if (mb->get_button_index() == MouseButton::WHEEL_LEFT) {
+ // By default, the horizontal orientation takes precedence. This is an exception.
+ if ((v_scroll_enabled && mb->is_shift_pressed()) || h_scroll_hidden) {
+ v_scroll->set_value(prev_v_scroll - v_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ } else if (h_scroll_enabled) {
+ h_scroll->set_value(prev_h_scroll - h_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ }
}
- }
-
- if (mb->get_button_index() == MouseButton::WHEEL_RIGHT && mb->is_pressed()) {
- if (h_scroll->is_visible_in_tree()) {
- h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * mb->get_factor() / 8);
+ if (mb->get_button_index() == MouseButton::WHEEL_RIGHT) {
+ if ((v_scroll_enabled && mb->is_shift_pressed()) || h_scroll_hidden) {
+ v_scroll->set_value(prev_v_scroll + v_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ } else if (h_scroll_enabled) {
+ h_scroll->set_value(prev_h_scroll + h_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ }
}
- }
- if (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll) {
- accept_event(); //accept event if scroll changed
+ if (scroll_value_modified && (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll)) {
+ accept_event(); // Accept event if scroll changed.
+ return;
+ }
}
- if (!DisplayServer::get_singleton()->screen_is_touchscreen(DisplayServer::get_singleton()->window_get_current_screen(get_viewport()->get_window_id()))) {
+ bool is_touchscreen_available = DisplayServer::get_singleton()->is_touchscreen_available();
+ if (!is_touchscreen_available) {
return;
}
@@ -161,15 +181,13 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
drag_speed = Vector2();
drag_accum = Vector2();
last_drag_accum = Vector2();
- drag_from = Vector2(h_scroll->get_value(), v_scroll->get_value());
- drag_touching = DisplayServer::get_singleton()->screen_is_touchscreen(DisplayServer::get_singleton()->window_get_current_screen(get_viewport()->get_window_id()));
+ drag_from = Vector2(prev_h_scroll, prev_v_scroll);
+ drag_touching = true;
drag_touching_deaccel = false;
beyond_deadzone = false;
time_since_motion = 0;
- if (drag_touching) {
- set_physics_process_internal(true);
- time_since_motion = 0;
- }
+ set_physics_process_internal(true);
+ time_since_motion = 0;
} else {
if (drag_touching) {
@@ -180,6 +198,7 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
}
}
}
+ return;
}
Ref<InputEventMouseMotion> mm = p_gui_input;
@@ -189,22 +208,22 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
Vector2 motion = mm->get_relative();
drag_accum -= motion;
- if (beyond_deadzone || (horizontal_scroll_mode != SCROLL_MODE_DISABLED && Math::abs(drag_accum.x) > deadzone) || (vertical_scroll_mode != SCROLL_MODE_DISABLED && Math::abs(drag_accum.y) > deadzone)) {
+ if (beyond_deadzone || (h_scroll_enabled && Math::abs(drag_accum.x) > deadzone) || (v_scroll_enabled && Math::abs(drag_accum.y) > deadzone)) {
if (!beyond_deadzone) {
propagate_notification(NOTIFICATION_SCROLL_BEGIN);
emit_signal(SNAME("scroll_started"));
beyond_deadzone = true;
- // resetting drag_accum here ensures smooth scrolling after reaching deadzone
+ // Resetting drag_accum here ensures smooth scrolling after reaching deadzone.
drag_accum = -motion;
}
Vector2 diff = drag_from + drag_accum;
- if (horizontal_scroll_mode != SCROLL_MODE_DISABLED) {
+ if (h_scroll_enabled) {
h_scroll->set_value(diff.x);
} else {
drag_accum.x = 0;
}
- if (vertical_scroll_mode != SCROLL_MODE_DISABLED) {
+ if (v_scroll_enabled) {
v_scroll->set_value(diff.y);
} else {
drag_accum.y = 0;
@@ -212,20 +231,26 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
time_since_motion = 0;
}
}
+
+ if (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll) {
+ accept_event(); // Accept event if scroll changed.
+ }
+ return;
}
Ref<InputEventPanGesture> pan_gesture = p_gui_input;
if (pan_gesture.is_valid()) {
- if (h_scroll->is_visible_in_tree()) {
- h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * pan_gesture->get_delta().x / 8);
+ if (h_scroll_enabled) {
+ h_scroll->set_value(prev_h_scroll + h_scroll->get_page() * pan_gesture->get_delta().x / 8);
}
- if (v_scroll->is_visible_in_tree()) {
- v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() * pan_gesture->get_delta().y / 8);
+ if (v_scroll_enabled) {
+ v_scroll->set_value(prev_v_scroll + v_scroll->get_page() * pan_gesture->get_delta().y / 8);
}
- }
- if (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll) {
- accept_event(); //accept event if scroll changed
+ if (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll) {
+ accept_event(); // Accept event if scroll changed.
+ }
+ return;
}
}
@@ -302,10 +327,10 @@ void ScrollContainer::_reposition_children() {
Size2 minsize = c->get_combined_minimum_size();
Rect2 r = Rect2(-Size2(get_h_scroll(), get_v_scroll()), minsize);
- if (c->get_h_size_flags() & SIZE_EXPAND) {
+ if (c->get_h_size_flags().has_flag(SIZE_EXPAND)) {
r.size.width = MAX(size.width, minsize.width);
}
- if (c->get_v_size_flags() & SIZE_EXPAND) {
+ if (c->get_v_size_flags().has_flag(SIZE_EXPAND)) {
r.size.height = MAX(size.height, minsize.height);
}
r.position += ofs;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 03:32:43 +0000