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Add support for mouse scroll

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Part of #4.
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Leroy Hopson 2021-07-07 21:34:10 +07:00
parent 44ea56aa0f
commit 5838b7fe7e
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1 changed files with 36 additions and 0 deletions
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36
addons/godot_xterm/native/src/terminal.cpp
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@ -1,8 +1,15 @@
// Copyright (c) 2021, Leroy Hopson (MIT License).
// This file contains snippets of code taken from Godot's TextEdit node.
// The snippet code is copyright of its authors and released under the MIT
// license:
// - Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur (MIT License).
// - Copyright (c) 2014-2021 Godot Engine contributors (MIT License).
#include "terminal.h"
#include <Dictionary.hpp>
#include <InputEventKey.hpp>
#include <InputEventMouseButton.hpp>
#include <OS.hpp>
#include <ResourceLoader.hpp>
#include <Theme.hpp>
@ -359,6 +366,35 @@ void Terminal::_gui_input(Variant event) {
tsm_vte_handle_keyboard(vte, keysym, ascii, mods,
unicode ? unicode : TSM_VTE_INVALID);
}
Ref<InputEventMouseButton> mb = event;
if (mb.is_valid()) {
Vector2 mpos = mb->get_position();
if (mb->is_pressed()) {
if (mb->get_button_index() == GLOBAL_CONSTANT(BUTTON_WHEEL_UP)) {
if (mb->get_alt()) {
// Scroll 5 times as fast as normal (like in TextEdit).
tsm_screen_sb_up(screen, 15 * mb->get_factor());
} else {
// Scroll 3 lines.
tsm_screen_sb_up(screen, 3 * mb->get_factor());
}
update();
}
if (mb->get_button_index() == GLOBAL_CONSTANT(BUTTON_WHEEL_DOWN)) {
if (mb->get_alt()) {
// Scroll 5 times as fast as normal (like in TextEdit).
tsm_screen_sb_down(screen, 15 * mb->get_factor());
} else {
// Scroll 3 lines.
tsm_screen_sb_down(screen, 3 * mb->get_factor());
}
update();
}
}
}
}
void Terminal::_draw() {