/* * Copyright (c) 2018-2020, Andreas Kling * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "CursorTool.h" #include "FormEditorWidget.h" #include "FormWidget.h" #include "WidgetTreeModel.h" #include #include namespace HackStudio { void CursorTool::on_mousedown(GUI::MouseEvent& event) { #if CURSOR_TOOL_DEBUG dbgln("CursorTool::on_mousedown"); #endif auto& form_widget = m_editor.form_widget(); auto result = form_widget.hit_test(event.position(), GUI::Widget::ShouldRespectGreediness::No); if (event.button() == GUI::MouseButton::Left) { if (result.widget && result.widget != &form_widget) { if (event.modifiers() & Mod_Ctrl) { m_editor.selection().toggle(*result.widget); } else if (!event.modifiers()) { if (!m_editor.selection().contains(*result.widget)) { dbgln_if(CURSOR_TOOL_DEBUG, "Selection didn't contain {}, making it the only selected one", *result.widget); m_editor.selection().set(*result.widget); } m_drag_origin = event.position(); m_positions_before_drag.clear(); m_editor.selection().for_each([&](auto& widget) { m_positions_before_drag.set(&widget, widget.relative_position()); return IterationDecision::Continue; }); } } else { m_editor.selection().clear(); m_rubber_banding = true; m_rubber_band_origin = event.position(); m_rubber_band_position = event.position(); form_widget.update(); } // FIXME: Do we need to update any part of the FormEditorWidget outside the FormWidget? form_widget.update(); } } void CursorTool::on_mouseup(GUI::MouseEvent& event) { #if CURSOR_TOOL_DEBUG dbgln("CursorTool::on_mouseup"); #endif if (event.button() == GUI::MouseButton::Left) { auto& form_widget = m_editor.form_widget(); auto result = form_widget.hit_test(event.position(), GUI::Widget::ShouldRespectGreediness::No); if (!m_dragging && !(event.modifiers() & Mod_Ctrl)) { if (result.widget && result.widget != &form_widget) { m_editor.selection().set(*result.widget); // FIXME: Do we need to update any part of the FormEditorWidget outside the FormWidget? form_widget.update(); } } m_dragging = false; m_rubber_banding = false; form_widget.update(); } } void CursorTool::on_mousemove(GUI::MouseEvent& event) { #if CURSOR_TOOL_DEBUG dbgln("CursorTool::on_mousemove"); #endif auto& form_widget = m_editor.form_widget(); if (m_rubber_banding) { set_rubber_band_position(event.position()); return; } if (!m_dragging && event.buttons() & GUI::MouseButton::Left && event.position() != m_drag_origin) { auto result = form_widget.hit_test(event.position(), GUI::Widget::ShouldRespectGreediness::No); if (result.widget && result.widget != &form_widget) { if (!m_editor.selection().contains(*result.widget)) { m_editor.selection().set(*result.widget); // FIXME: Do we need to update any part of the FormEditorWidget outside the FormWidget? form_widget.update(); } } m_dragging = true; } if (m_dragging) { auto movement_delta = event.position() - m_drag_origin; m_editor.selection().for_each([&](auto& widget) { auto new_rect = widget.relative_rect(); new_rect.set_location(m_positions_before_drag.get(&widget).value_or({}).translated(movement_delta)); new_rect.set_x(new_rect.x() - (new_rect.x() % m_editor.form_widget().grid_size())); new_rect.set_y(new_rect.y() - (new_rect.y() % m_editor.form_widget().grid_size())); widget.set_relative_rect(new_rect); return IterationDecision::Continue; }); m_editor.model().update(); return; } } void CursorTool::on_keydown(GUI::KeyEvent& event) { #if CURSOR_TOOL_DEBUG dbgln("CursorTool::on_keydown"); #endif auto move_selected_widgets_by = [this](int x, int y) { m_editor.selection().for_each([&](auto& widget) { widget.move_by(x, y); return IterationDecision::Continue; }); }; if (event.modifiers() == 0) { switch (event.key()) { case Key_Down: move_selected_widgets_by(0, m_editor.form_widget().grid_size()); break; case Key_Up: move_selected_widgets_by(0, -m_editor.form_widget().grid_size()); break; case Key_Left: move_selected_widgets_by(-m_editor.form_widget().grid_size(), 0); break; case Key_Right: move_selected_widgets_by(m_editor.form_widget().grid_size(), 0); break; default: break; } } } void CursorTool::set_rubber_band_position(const Gfx::IntPoint& position) { if (m_rubber_band_position == position) return; m_rubber_band_position = position; auto rubber_band_rect = this->rubber_band_rect(); m_editor.selection().clear(); m_editor.form_widget().for_each_child_widget([&](auto& child) { if (child.relative_rect().intersects(rubber_band_rect)) m_editor.selection().add(child); return IterationDecision::Continue; }); m_editor.form_widget().update(); } Gfx::IntRect CursorTool::rubber_band_rect() const { if (!m_rubber_banding) return {}; return Gfx::IntRect::from_two_points(m_rubber_band_origin, m_rubber_band_position); } void CursorTool::on_second_paint(GUI::Painter& painter, GUI::PaintEvent&) { if (!m_rubber_banding) return; auto rect = rubber_band_rect(); painter.fill_rect(rect, m_editor.palette().rubber_band_fill()); painter.draw_rect(rect, m_editor.palette().rubber_band_border()); } }