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Diffstat (limited to 'scene/gui/gradient_edit.cpp')
-rw-r--r-- | scene/gui/gradient_edit.cpp | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/scene/gui/gradient_edit.cpp b/scene/gui/gradient_edit.cpp deleted file mode 100644 index be097f7543..0000000000 --- a/scene/gui/gradient_edit.cpp +++ /dev/null @@ -1,446 +0,0 @@ -/*************************************************************************/ -/* gradient_edit.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. */ -/*************************************************************************/ - -#include "gradient_edit.h" - -#include "core/os/keyboard.h" - -GradientEdit::GradientEdit() { - set_focus_mode(FOCUS_ALL); - - popup = memnew(PopupPanel); - picker = memnew(ColorPicker); - popup->add_child(picker); - - gradient_cache.instantiate(); - preview_texture.instantiate(); - - preview_texture->set_width(1024); - add_child(popup, false, INTERNAL_MODE_FRONT); -} - -int GradientEdit::_get_point_from_pos(int x) { - int result = -1; - int total_w = get_size().width - get_size().height - draw_spacing; - float min_distance = 1e20; - for (int i = 0; i < points.size(); i++) { - // Check if we clicked at point. - float distance = ABS(x - points[i].offset * total_w); - float min = (draw_point_width / 2 * 1.7); //make it easier to grab - if (distance <= min && distance < min_distance) { - result = i; - min_distance = distance; - } - } - return result; -} - -void GradientEdit::_show_color_picker() { - if (grabbed == -1) { - return; - } - picker->set_pick_color(points[grabbed].color); - Size2 minsize = popup->get_contents_minimum_size(); - bool show_above = false; - if (get_global_position().y + get_size().y + minsize.y > get_viewport_rect().size.y) { - show_above = true; - } - if (show_above) { - popup->set_position(get_screen_position() - Vector2(0, minsize.y)); - } else { - popup->set_position(get_screen_position() + Vector2(0, get_size().y)); - } - popup->popup(); -} - -GradientEdit::~GradientEdit() { -} - -void GradientEdit::gui_input(const Ref<InputEvent> &p_event) { - ERR_FAIL_COND(p_event.is_null()); - - Ref<InputEventKey> k = p_event; - - if (k.is_valid() && k->is_pressed() && k->get_keycode() == Key::KEY_DELETE && grabbed != -1) { - points.remove_at(grabbed); - grabbed = -1; - grabbing = false; - update(); - emit_signal(SNAME("ramp_changed")); - accept_event(); - } - - Ref<InputEventMouseButton> mb = p_event; - // Show color picker on double click. - if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && mb->is_double_click() && mb->is_pressed()) { - grabbed = _get_point_from_pos(mb->get_position().x); - _show_color_picker(); - accept_event(); - } - - // Delete point on right click. - if (mb.is_valid() && mb->get_button_index() == MouseButton::RIGHT && mb->is_pressed()) { - grabbed = _get_point_from_pos(mb->get_position().x); - if (grabbed != -1) { - points.remove_at(grabbed); - grabbed = -1; - grabbing = false; - update(); - emit_signal(SNAME("ramp_changed")); - accept_event(); - } - } - - // Hold alt key to duplicate selected color. - if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && mb->is_pressed() && mb->is_alt_pressed()) { - int x = mb->get_position().x; - grabbed = _get_point_from_pos(x); - - if (grabbed != -1) { - int total_w = get_size().width - get_size().height - draw_spacing; - Gradient::Point new_point = points[grabbed]; - new_point.offset = CLAMP(x / float(total_w), 0, 1); - - points.push_back(new_point); - points.sort(); - for (int i = 0; i < points.size(); ++i) { - if (points[i].offset == new_point.offset) { - grabbed = i; - break; - } - } - - emit_signal(SNAME("ramp_changed")); - update(); - } - } - - // Select. - if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && mb->is_pressed()) { - update(); - int x = mb->get_position().x; - int total_w = get_size().width - get_size().height - draw_spacing; - - //Check if color selector was clicked. - if (x > total_w + draw_spacing) { - _show_color_picker(); - return; - } - - grabbing = true; - - grabbed = _get_point_from_pos(x); - //grab or select - if (grabbed != -1) { - return; - } - - // Insert point. - Gradient::Point new_point; - new_point.offset = CLAMP(x / float(total_w), 0, 1); - - Gradient::Point prev; - Gradient::Point next; - - int pos = -1; - for (int i = 0; i < points.size(); i++) { - if (points[i].offset < new_point.offset) { - pos = i; - } - } - - if (pos == -1) { - prev.color = Color(0, 0, 0); - prev.offset = 0; - if (points.size()) { - next = points[0]; - } else { - next.color = Color(1, 1, 1); - next.offset = 1.0; - } - } else { - if (pos == points.size() - 1) { - next.color = Color(1, 1, 1); - next.offset = 1.0; - } else { - next = points[pos + 1]; - } - prev = points[pos]; - } - - new_point.color = prev.color.lerp(next.color, (new_point.offset - prev.offset) / (next.offset - prev.offset)); - - points.push_back(new_point); - points.sort(); - for (int i = 0; i < points.size(); i++) { - if (points[i].offset == new_point.offset) { - grabbed = i; - break; - } - } - - emit_signal(SNAME("ramp_changed")); - } - - if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && !mb->is_pressed()) { - if (grabbing) { - grabbing = false; - emit_signal(SNAME("ramp_changed")); - } - update(); - } - - Ref<InputEventMouseMotion> mm = p_event; - - if (mm.is_valid() && grabbing) { - int total_w = get_size().width - get_size().height - draw_spacing; - - int x = mm->get_position().x; - - float newofs = CLAMP(x / float(total_w), 0, 1); - - // Snap to "round" coordinates if holding Ctrl. - // Be more precise if holding Shift as well. - if (mm->is_ctrl_pressed()) { - newofs = Math::snapped(newofs, mm->is_shift_pressed() ? 0.025 : 0.1); - } else if (mm->is_shift_pressed()) { - // Snap to nearest point if holding just Shift - const float snap_threshold = 0.03; - float smallest_ofs = snap_threshold; - bool found = false; - int nearest_point = 0; - for (int i = 0; i < points.size(); ++i) { - if (i != grabbed) { - float temp_ofs = ABS(points[i].offset - newofs); - if (temp_ofs < smallest_ofs) { - smallest_ofs = temp_ofs; - nearest_point = i; - if (found) { - break; - } - found = true; - } - } - } - if (found) { - if (points[nearest_point].offset < newofs) { - newofs = points[nearest_point].offset + 0.00001; - } else { - newofs = points[nearest_point].offset - 0.00001; - } - newofs = CLAMP(newofs, 0, 1); - } - } - - bool valid = true; - for (int i = 0; i < points.size(); i++) { - if (points[i].offset == newofs && i != grabbed) { - valid = false; - break; - } - } - - if (!valid || grabbed == -1) { - return; - } - points.write[grabbed].offset = newofs; - - points.sort(); - for (int i = 0; i < points.size(); i++) { - if (points[i].offset == newofs) { - grabbed = i; - break; - } - } - - emit_signal(SNAME("ramp_changed")); - - update(); - } -} - -void GradientEdit::_notification(int p_what) { - switch (p_what) { - case NOTIFICATION_ENTER_TREE: { - if (!picker->is_connected("color_changed", callable_mp(this, &GradientEdit::_color_changed))) { - picker->connect("color_changed", callable_mp(this, &GradientEdit::_color_changed)); - } - } break; - - case NOTIFICATION_THEME_CHANGED: { - draw_spacing = BASE_SPACING * get_theme_default_base_scale(); - draw_point_width = BASE_POINT_WIDTH * get_theme_default_base_scale(); - } break; - - case NOTIFICATION_DRAW: { - int w = get_size().x; - int h = get_size().y; - - if (w == 0 || h == 0) { - return; // Safety check. We have division by 'h'. And in any case there is nothing to draw with such size. - } - - int total_w = get_size().width - get_size().height - draw_spacing; - - // Draw checker pattern for ramp. - draw_texture_rect(get_theme_icon(SNAME("GuiMiniCheckerboard"), SNAME("EditorIcons")), Rect2(0, 0, total_w, h), true); - - // Draw color ramp. - gradient_cache->set_points(points); - gradient_cache->set_interpolation_mode(interpolation_mode); - preview_texture->set_gradient(gradient_cache); - draw_texture_rect(preview_texture, Rect2(0, 0, total_w, h)); - - // Draw point markers. - for (int i = 0; i < points.size(); i++) { - Color col = points[i].color.inverted(); - col.a = 0.9; - - draw_line(Vector2(points[i].offset * total_w, 0), Vector2(points[i].offset * total_w, h / 2), col); - Rect2 rect = Rect2(points[i].offset * total_w - draw_point_width / 2, h / 2, draw_point_width, h / 2); - draw_rect(rect, points[i].color, true); - draw_rect(rect, col, false); - if (grabbed == i) { - rect = rect.grow(-1); - if (has_focus()) { - draw_rect(rect, Color(1, 0, 0, 0.9), false); - } else { - draw_rect(rect, Color(0.6, 0, 0, 0.9), false); - } - - rect = rect.grow(-1); - draw_rect(rect, col, false); - } - } - - // Draw "button" for color selector. - draw_texture_rect(get_theme_icon(SNAME("GuiMiniCheckerboard"), SNAME("EditorIcons")), Rect2(total_w + draw_spacing, 0, h, h), true); - if (grabbed != -1) { - // Draw with selection color. - draw_rect(Rect2(total_w + draw_spacing, 0, h, h), points[grabbed].color); - } else { - // If no color selected draw grey color with 'X' on top. - draw_rect(Rect2(total_w + draw_spacing, 0, h, h), Color(0.5, 0.5, 0.5, 1)); - draw_line(Vector2(total_w + draw_spacing, 0), Vector2(total_w + draw_spacing + h, h), Color(1, 1, 1, 0.6)); - draw_line(Vector2(total_w + draw_spacing, h), Vector2(total_w + draw_spacing + h, 0), Color(1, 1, 1, 0.6)); - } - - // Draw borders around color ramp if in focus. - if (has_focus()) { - draw_line(Vector2(-1, -1), Vector2(total_w + 1, -1), Color(1, 1, 1, 0.6)); - draw_line(Vector2(total_w + 1, -1), Vector2(total_w + 1, h + 1), Color(1, 1, 1, 0.6)); - draw_line(Vector2(total_w + 1, h + 1), Vector2(-1, h + 1), Color(1, 1, 1, 0.6)); - draw_line(Vector2(-1, -1), Vector2(-1, h + 1), Color(1, 1, 1, 0.6)); - } - } break; - - case NOTIFICATION_VISIBILITY_CHANGED: { - if (!is_visible()) { - grabbing = false; - } - } break; - } -} - -Size2 GradientEdit::get_minimum_size() const { - return Vector2(0, 16); -} - -void GradientEdit::_color_changed(const Color &p_color) { - if (grabbed == -1) { - return; - } - points.write[grabbed].color = p_color; - update(); - emit_signal(SNAME("ramp_changed")); -} - -void GradientEdit::set_ramp(const Vector<float> &p_offsets, const Vector<Color> &p_colors) { - ERR_FAIL_COND(p_offsets.size() != p_colors.size()); - points.clear(); - for (int i = 0; i < p_offsets.size(); i++) { - Gradient::Point p; - p.offset = p_offsets[i]; - p.color = p_colors[i]; - points.push_back(p); - } - - points.sort(); - update(); -} - -Vector<float> GradientEdit::get_offsets() const { - Vector<float> ret; - for (int i = 0; i < points.size(); i++) { - ret.push_back(points[i].offset); - } - return ret; -} - -Vector<Color> GradientEdit::get_colors() const { - Vector<Color> ret; - for (int i = 0; i < points.size(); i++) { - ret.push_back(points[i].color); - } - return ret; -} - -void GradientEdit::set_points(Vector<Gradient::Point> &p_points) { - if (points.size() != p_points.size()) { - grabbed = -1; - } - points.clear(); - points = p_points; - points.sort(); -} - -Vector<Gradient::Point> &GradientEdit::get_points() { - return points; -} - -void GradientEdit::set_interpolation_mode(Gradient::InterpolationMode p_interp_mode) { - interpolation_mode = p_interp_mode; -} - -Gradient::InterpolationMode GradientEdit::get_interpolation_mode() { - return interpolation_mode; -} - -ColorPicker *GradientEdit::get_picker() { - return picker; -} - -PopupPanel *GradientEdit::get_popup() { - return popup; -} - -void GradientEdit::_bind_methods() { - ADD_SIGNAL(MethodInfo("ramp_changed")); -} |