mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 12:44:46 +00:00
319 lines
9.9 KiB
C++
319 lines
9.9 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#include "console/console.h"
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#include "console/consoleTypes.h"
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#include "gfx/gfxDevice.h"
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#include "gfx/gfxDrawUtil.h"
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#include "gui/editor/guiRectHandles.h"
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IMPLEMENT_CONOBJECT(GuiRectHandles);
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ConsoleDocClass( GuiRectHandles,
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"@brief Draws a box with handles for the user to manipulate.\n\n"
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"Editor use only.\n\n"
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"@internal"
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);
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//--------------------------------------------------------------------------
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GuiRectHandles::GuiRectHandles() : GuiControl()
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{
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mHandleRect.set(0.0f, 0.0f, 1.0f, 1.0f);
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mHandleSize = 10;
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mUseCustomColor = false;
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mHandleColor.set(100,100,100);
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mHitHandle = 0;
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}
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GuiRectHandles::~GuiRectHandles()
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{
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}
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//--------------------------------------------------------------------------
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void GuiRectHandles::initPersistFields()
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{
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addField("handleRect", TypeRectF, Offset(mHandleRect, GuiRectHandles), "RectF of handle's box." );
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addField("handleSize", TypeS32, Offset(mHandleSize, GuiRectHandles), "Size of handles in pixels." );
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addField("useCustomColor", TypeBool, Offset(mUseCustomColor, GuiRectHandles), "Use given custom color for handles." );
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addField("handleColor", TypeColorI, Offset(mHandleColor, GuiRectHandles), "Use given custom color for handles." );
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Parent::initPersistFields();
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}
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//--------------------------------------------------------------------------
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void GuiRectHandles::onMouseUp(const GuiEvent &event)
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{
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mHitHandle = 0;
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}
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void GuiRectHandles::onMouseDown(const GuiEvent &event)
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{
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// The handles range from 0-1, so scale to fit within the
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// control's bounds.
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const Point2I& extent = getExtent();
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Point2I pos(extent.x*mHandleRect.point.x, extent.y*mHandleRect.point.y);
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Point2I size(extent.x*mHandleRect.extent.x, extent.y*mHandleRect.extent.y);
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RectI box(pos, size);
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Point2I localMousePoint = globalToLocalCoord(event.mousePoint);
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// Check if mouse is within handle rect
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if(!box.pointInRect(localMousePoint))
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{
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mHitHandle = 0;
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return;
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}
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Point2I normalizedMouse = localMousePoint - pos;
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Point2I halfSize = size / 2;
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S32 halfHandleSize = mHandleSize / 2;
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if(normalizedMouse.y < mHandleSize)
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{
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// Top handles
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if(normalizedMouse.x < mHandleSize)
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mHitHandle = 1;
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else if(normalizedMouse.x >= (size.x-mHandleSize))
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mHitHandle = 3;
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else if(normalizedMouse.x >= (halfSize.x-halfHandleSize) && normalizedMouse.x < (halfSize.x+halfHandleSize))
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mHitHandle = 2;
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}
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else if(normalizedMouse.y >= (size.y-mHandleSize))
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{
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// Bottom handles
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if(normalizedMouse.x < mHandleSize)
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mHitHandle = 7;
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else if(normalizedMouse.x >= (size.x-mHandleSize))
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mHitHandle = 5;
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else if(normalizedMouse.x >= (halfSize.x-halfHandleSize) && normalizedMouse.x < (halfSize.x+halfHandleSize))
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mHitHandle = 6;
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}
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else if(normalizedMouse.y >= (halfSize.y-halfHandleSize) && normalizedMouse.y < (halfSize.y+halfHandleSize))
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{
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// Middle handles
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if(normalizedMouse.x < mHandleSize)
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mHitHandle = 8;
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else if(normalizedMouse.x >= (size.x-mHandleSize))
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mHitHandle = 4;
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else if(normalizedMouse.x >= (halfSize.x-halfHandleSize) && normalizedMouse.x < (halfSize.x+halfHandleSize))
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mHitHandle = 9;
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}
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mHitPoint = localMousePoint;
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}
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void GuiRectHandles::onMouseDragged(const GuiEvent &event)
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{
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if(mHitHandle == 0)
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return;
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// The handles range from 0-1, so scale to fit within the
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// control's bounds.
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const Point2I& extent = getExtent();
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Point2I localMousePoint = globalToLocalCoord(event.mousePoint);
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Point2I diffI = localMousePoint - mHitPoint;
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Point2F diffF(diffI.x/F32(extent.x), diffI.y/F32(extent.y));
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RectF box(mHandleRect);
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bool postMoveExtentX = false;
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bool postMoveExtentY = false;
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bool keepExtent = false;
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switch(mHitHandle)
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{
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case 1:
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{
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// Top left
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box.point += diffF;
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postMoveExtentX = true;
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postMoveExtentY = true;
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break;
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}
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case 2:
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{
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// Top middle
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box.point.y += diffF.y;
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postMoveExtentY = true;
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break;
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}
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case 3:
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{
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// Top right
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box.point.y += diffF.y;
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box.extent.x += diffF.x;
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postMoveExtentY = true;
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break;
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}
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case 4:
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{
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// Middle right
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box.extent.x += diffF.x;
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break;
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}
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case 5:
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{
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// Bottom right
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box.extent += diffF;
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break;
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}
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case 6:
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{
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// Bottom middle
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box.extent.y += diffF.y;
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break;
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}
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case 7:
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{
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// Bottom left
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box.point.x += diffF.x;
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box.extent.y += diffF.y;
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postMoveExtentX = true;
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break;
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}
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case 8:
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{
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// Middle left
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box.point.x += diffF.x;
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postMoveExtentX = true;
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break;
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}
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case 9:
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{
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// Centre
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box.point += diffF;
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keepExtent = true;
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break;
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}
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default:
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break;
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}
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// Position limits
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if(box.point.x < 0.0f)
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box.point.x = 0.0f;
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else if(box.point.x > 1.0f)
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box.point.x = 1.0f;
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if(box.point.y < 0.0f)
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box.point.y = 0.0f;
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else if(box.point.y > 1.0f)
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box.point.y = 1.0f;
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// Move any extent to counter a change in handle position. Do this
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// after the limits above to make sure the extent doesn't accidentally
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// grow when the position is clamped.
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if(postMoveExtentX)
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box.extent.x += mHandleRect.point.x - box.point.x;
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if(postMoveExtentY)
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box.extent.y += mHandleRect.point.y - box.point.y;
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// Extent limits
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if(box.extent.x < 0.0f)
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box.extent.x = 0.0f;
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else if(box.extent.x > 1.0f)
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box.extent.x = 1.0f;
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if(box.point.x+box.extent.x > 1.0f)
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{
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if(keepExtent)
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box.point.x = 1.0f-box.extent.x;
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else
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box.extent.x = 1.0f-box.point.x;
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}
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if(box.extent.y < 0.0f)
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box.extent.y = 0.0f;
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else if(box.extent.y > 1.0f)
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box.extent.y = 1.0f;
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if(box.point.y+box.extent.y > 1.0f)
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{
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if(keepExtent)
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box.point.y = 1.0f-box.extent.y;
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else
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box.extent.y = 1.0f-box.point.y;
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}
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mHandleRect = box;
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mHitPoint = localMousePoint;
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if( isMethod( "onHandleRectChange" ) )
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Con::executef(this, "onHandleRectChange" );
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}
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//--------------------------------------------------------------------------
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void GuiRectHandles::onRender(Point2I offset, const RectI &updateRect)
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{
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Parent::onRender( offset, updateRect );
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ColorI handleColor = mProfile->mBorderColor;
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if(mUseCustomColor)
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handleColor = mHandleColor;
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// The handles range from 0-1, so scale to fit within the
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// control's bounds.
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const Point2I& extent = getExtent();
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Point2I pos(extent.x*mHandleRect.point.x, extent.y*mHandleRect.point.y);
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Point2I size(extent.x*mHandleRect.extent.x, extent.y*mHandleRect.extent.y);
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RectI box(offset+pos, size);
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// Draw border
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GFX->getDrawUtil()->drawRect(box, handleColor);
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// Draw each handle
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Point2I handleSize(mHandleSize, mHandleSize);
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RectI handleRect(box.point, handleSize);
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GFX->getDrawUtil()->drawRectFill(handleRect, handleColor); // Upper left
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handleRect.point = Point2I(box.point.x+size.x-handleSize.x, box.point.y);
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GFX->getDrawUtil()->drawRectFill(handleRect, handleColor); // Upper right
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handleRect.point = Point2I(box.point.x, box.point.y+size.y-handleSize.y);
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GFX->getDrawUtil()->drawRectFill(handleRect, handleColor); // Lower left
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handleRect.point = Point2I(box.point.x+size.x-handleSize.x, box.point.y+size.y-handleSize.y);
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GFX->getDrawUtil()->drawRectFill(handleRect, handleColor); // Lower right
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Point2I halfSize = size / 2;
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Point2I halfHandleSize = handleSize / 2;
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handleRect.point = Point2I(box.point.x+halfSize.x-halfHandleSize.x, box.point.y);
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GFX->getDrawUtil()->drawRectFill(handleRect, handleColor); // Upper middle
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handleRect.point = Point2I(box.point.x+halfSize.x-halfHandleSize.x, box.point.y+size.y-handleSize.y);
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GFX->getDrawUtil()->drawRectFill(handleRect, handleColor); // Lower middle
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handleRect.point = Point2I(box.point.x, box.point.y+halfSize.y-halfHandleSize.y);
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GFX->getDrawUtil()->drawRectFill(handleRect, handleColor); // Left middle
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handleRect.point = Point2I(box.point.x+size.x-handleSize.x, box.point.y+halfSize.y-halfHandleSize.y);
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GFX->getDrawUtil()->drawRectFill(handleRect, handleColor); // Right middle
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handleRect.point = Point2I(box.point.x+halfSize.x-halfHandleSize.x, box.point.y+halfSize.y-halfHandleSize.y);
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GFX->getDrawUtil()->drawRectFill(handleRect, handleColor); // Middle
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renderChildControls(offset, updateRect);
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}
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