* rectangular selector gestures, enabling select, deselect and toggle behaviors

This commit is contained in:
Garux 2018-07-23 16:25:32 +03:00
parent bbc691a07b
commit 5c48131eba
7 changed files with 117 additions and 124 deletions

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@ -22,66 +22,32 @@
#if !defined ( INCLUDED_XORRECTANGLE_H )
#define INCLUDED_XORRECTANGLE_H
#include <gtk/gtkwidget.h>
#include "math/vector.h"
#include "gtkutil/glwidget.h"
#include "rect_t.h"
#include "igl.h"
#include <gtk/gtkglwidget.h>
//#include "stream/stringstream.h"
class rectangle_t
{
public:
rectangle_t()
: x( 0 ), y( 0 ), w( 0 ), h( 0 )
{}
rectangle_t( float _x, float _y, float _w, float _h )
: x( _x ), y( _y ), w( _w ), h( _h )
{}
float x;
float y;
float w;
float h;
};
struct Coord2D
{
float x, y;
Coord2D( float _x, float _y )
: x( _x ), y( _y ){
}
};
inline Coord2D coord2d_device2screen( const Coord2D& coord, unsigned int width, unsigned int height ){
return Coord2D( ( ( coord.x + 1.0f ) * 0.5f ) * width, ( ( coord.y + 1.0f ) * 0.5f ) * height );
}
inline rectangle_t rectangle_from_area( const float min[2], const float max[2], unsigned int width, unsigned int height ){
Coord2D botleft( coord2d_device2screen( Coord2D( min[0], min[1] ), width, height ) );
Coord2D topright( coord2d_device2screen( Coord2D( max[0], max[1] ), width, height ) );
return rectangle_t( botleft.x, botleft.y, topright.x - botleft.x, topright.y - botleft.y );
}
class XORRectangle {
void draw( const rect_t& rect, const GLenum mode ) const{
glBegin( mode );
glVertex2f( rect.min[0], rect.max[1] );
glVertex2f( rect.max[0], rect.max[1] );
glVertex2f( rect.max[0], rect.min[1] );
glVertex2f( rect.min[0], rect.min[1] );
glEnd();
}
public:
XORRectangle() {
}
~XORRectangle() {
}
void set( rectangle_t rectangle, int width, int height ) {
if( rectangle.w != 0.f && rectangle.h != 0.f ) {
void set( rect_t rect, int width, int height ) {
if( rect.max[0] - rect.min[0] != 0.f && rect.max[1] - rect.min[1] != 0.f ) {
GlobalOpenGL_debugAssertNoErrors();
glViewport( 0, 0, width, height );
// set up viewpoint
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
glOrtho( 0, width, 0, height, -100, 100 );
glOrtho( -1, 1, -1, 1, -100, 100 );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
@ -95,30 +61,41 @@ public:
}
glEnable( GL_BLEND );
/* additive to handle dark background */
glBlendFunc( GL_ONE, GL_ONE );
//glColor4f( 0.94902f / 5.f, 0.396078f / 5.f, 0.133333f / 5.f, .2f );
glColor3f( 1.f / 10.f, .5f / 10.f, 0.f );
glBegin( GL_QUADS );
glVertex2f( rectangle.x, rectangle.y + rectangle.h );
glVertex2f( rectangle.x + rectangle.w, rectangle.y + rectangle.h );
glVertex2f( rectangle.x + rectangle.w, rectangle.y );
glVertex2f( rectangle.x, rectangle.y );
glEnd();
const float r = 10.f;
switch ( rect.modifier )
{
case rect_t::eSelect: glColor3f( 1.f / r, .5f / r, 0.f ); break;
case rect_t::eDeselect: glColor3f( 0.f, 0.f, 1.f / r ); break;
case rect_t::eToggle: glColor3f( 1.f / r, 1.f / r, 1.f / r ); break;
}
draw( rect, GL_QUADS );
/* filter to handle bright background */
glBlendFunc( GL_ZERO, GL_SRC_COLOR );
switch ( rect.modifier )
{
case rect_t::eSelect: glColor3f( 1.f, .9f, 0.7f ); break;
case rect_t::eDeselect: glColor3f( 0.8f, 0.8f, 1.f ); break;
case rect_t::eToggle: glColor3f( .8f, .8f, .8f ); break;
}
draw( rect, GL_QUADS );
/* alpha blend on top */
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
const float a = .3f;
switch ( rect.modifier )
{
case rect_t::eSelect: glColor4f( 1.f, .5f, 0.f, a ); break;
case rect_t::eDeselect: glColor4f( 0.f, 0.f, 1.f, a ); break;
case rect_t::eToggle: glColor4f( 1.f, 1.f, 1.f, a ); break;
}
draw( rect, GL_QUADS );
glDisable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glLineWidth( 1 );
//glColor3f( 0.94902f, 0.396078f, 0.133333f );
glColor3f( 1.f, .5f, 0.f );
glBegin( GL_LINE_LOOP );
glVertex2f( rectangle.x, rectangle.y + rectangle.h );
glVertex2f( rectangle.x + rectangle.w, rectangle.y + rectangle.h );
glVertex2f( rectangle.x + rectangle.w, rectangle.y );
glVertex2f( rectangle.x, rectangle.y );
glEnd();
draw( rect, GL_LINE_LOOP );
GlobalOpenGL_debugAssertNoErrors();
}

22
libs/rect_t.cpp Normal file
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@ -0,0 +1,22 @@
/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "rect_t.h"

22
libs/rect_t.h Normal file
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@ -0,0 +1,22 @@
#if !defined( INCLUDED_RECT_T_H )
#define INCLUDED_RECT_T_H
struct rect_t {
float min[2];
float max[2];
enum EModifier {
eSelect,
eDeselect,
eToggle,
};
EModifier modifier;
rect_t(){
min[0] = min[1] = max[0] = max[1] = 0;
modifier = eSelect;
}
};
#endif

View File

@ -974,7 +974,7 @@ void camwnd_update_xor_rectangle( CamWnd& self, rect_t area ){
glDrawBuffer( GL_FRONT );
self.fbo_get()->blit();
self.m_XORRectangle.set( rectangle_from_area( area.min, area.max, self.getCamera().width, self.getCamera().height ), self.getCamera().width, self.getCamera().height );
self.m_XORRectangle.set( area, self.getCamera().width, self.getCamera().height );
glDrawBuffer( GL_BACK );
@ -1867,7 +1867,7 @@ void CamWnd::draw(){
GlobalOpenGL_debugAssertNoErrors();
//qglFinish();
//m_XORRectangle.set( rectangle_t() );
//m_XORRectangle.set( rect_t() );
}
glwidget_swap_buffers( m_gl_widget );

View File

@ -3092,6 +3092,11 @@ inline const rect_t SelectionBoxForArea( const float device_point[2], const floa
selection_box.min[1] = ( device_delta[1] < 0 ) ? ( device_point[1] + device_delta[1] ) : ( device_point[1] );
selection_box.max[0] = ( device_delta[0] > 0 ) ? ( device_point[0] + device_delta[0] ) : ( device_point[0] );
selection_box.max[1] = ( device_delta[1] > 0 ) ? ( device_point[1] + device_delta[1] ) : ( device_point[1] );
selection_box.modifier = device_delta[0] * device_delta[1] < 0?
rect_t::eToggle
: device_delta[0] < 0 ?
rect_t::eDeselect
: rect_t::eSelect;
return selection_box;
}
#if 0
@ -4306,7 +4311,6 @@ public:
enum EModifier
{
eManipulator,
eToggle,
eReplace,
eCycle,
eSelect,
@ -4670,18 +4674,6 @@ void SelectPoint( const View& view, const float device_point[2], const float dev
if ( !selector.failed() ) {
switch ( modifier )
{
case RadiantSelectionSystem::eToggle:
{
SelectionPool::iterator best = selector.begin();
// toggle selection of the object with least depth
if ( ( *best ).second->isSelected() ) {
( *best ).second->setSelected( false );
}
else{
( *best ).second->setSelected( true );
}
}
break;
// if cycle mode not enabled, enable it
case RadiantSelectionSystem::eReplace:
{
@ -4793,33 +4785,26 @@ bool SelectPoint_InitPaint( const View& view, const float device_point[2], const
}
}
void SelectArea( const View& view, const float device_point[2], const float device_delta[2], RadiantSelectionSystem::EModifier modifier, bool face ){
if ( modifier == eReplace ) {
deselectComponentsOrAll( face );
}
void SelectArea( const View& view, const rect_t rect, bool face ){
#if defined ( DEBUG_SELECTION )
g_render_clipped.destroy();
#endif
View scissored( view );
ConstructSelectionTest( scissored, rect );
SelectionVolume volume( scissored );
SelectionPool pool;
if ( face ) {
Scene_TestSelect_Component( pool, volume, scissored, eFace );
}
else
{
View scissored( view );
ConstructSelectionTest( scissored, SelectionBoxForArea( device_point, device_delta ) );
Scene_TestSelect( pool, volume, scissored, Mode(), ComponentMode() );
}
SelectionVolume volume( scissored );
SelectionPool pool;
if ( face ) {
Scene_TestSelect_Component( pool, volume, scissored, eFace );
}
else
{
Scene_TestSelect( pool, volume, scissored, Mode(), ComponentMode() );
}
for ( SelectionPool::iterator i = pool.begin(); i != pool.end(); ++i )
{
( *i ).second->setSelected( !( modifier == RadiantSelectionSystem::eToggle && ( *i ).second->isSelected() ) );
}
for ( SelectionPool::iterator i = pool.begin(); i != pool.end(); ++i )
{
( *i ).second->setSelected( rect.modifier == rect_t::eSelect? true : rect.modifier == rect_t::eDeselect? false : !( *i ).second->isSelected() );
}
}
@ -5624,27 +5609,19 @@ typedef MemberCaller1<TexManipulator_, DeviceVector, &TexManipulator_::mouseUp>
class Selector_
{
RadiantSelectionSystem::EModifier modifier_for_state( ModifierFlags state ){
if ( ( state == c_modifier_toggle || state == c_modifier_toggle_face || state == c_modifier_face || state == c_modifierAlt ) ) {
if( m_mouse2 ){
return RadiantSelectionSystem::eReplace;
}
else{
return RadiantSelectionSystem::eToggle;
}
}
return RadiantSelectionSystem::eManipulator;
if ( ( state == c_modifier_toggle || state == c_modifier_toggle_face || state == c_modifier_face )
&& m_mouse2 )
return RadiantSelectionSystem::eReplace;
else
return RadiantSelectionSystem::eManipulator;
}
rect_t getDeviceArea() const {
const DeviceVector delta( m_current - m_start );
if ( m_mouseMovedWhilePressed && selecting() && delta.x() != 0 && delta.y() != 0 ) {
if ( m_mouseMovedWhilePressed && selecting() && delta.x() != 0 && delta.y() != 0 )
return SelectionBoxForArea( &m_start[0], &delta[0] );
}
else
{
rect_t default_area = { { 0, 0, }, { 0, 0, }, };
return default_area;
}
return rect_t();
}
const DeviceVector& m_epsilon;
@ -5678,7 +5655,7 @@ void testSelect( DeviceVector position ){
if ( modifier != RadiantSelectionSystem::eManipulator ) {
const DeviceVector delta( position - m_start );
if ( m_mouseMovedWhilePressed && delta.x() != 0 && delta.y() != 0 ) {
getSelectionSystem().SelectArea( *m_view, &m_start[0], &delta[0], RadiantSelectionSystem::eToggle, ( m_state & c_modifier_face ) != c_modifierNone );
getSelectionSystem().SelectArea( *m_view, SelectionBoxForArea( &m_start[0], &delta[0] ), ( m_state & c_modifier_face ) != c_modifierNone );
}
else if( !m_mouseMovedWhilePressed ){
if ( modifier == RadiantSelectionSystem::eReplace && !m_mouseMoved ) {

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@ -24,12 +24,7 @@
#include "windowobserver.h"
#include "generic/callbackfwd.h"
struct rect_t
{
float min[2];
float max[2];
};
#include "rect_t.h"
typedef Callback1<rect_t> RectangleCallback;

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@ -505,7 +505,7 @@ void XYWnd::XY_Draw_Overlay_finish(){
void xy_update_xor_rectangle( XYWnd& self, rect_t area ){
if ( self.XY_Draw_Overlay_start() ) {
self.UpdateCameraIcon_();
self.m_XORRectangle.set( rectangle_from_area( area.min, area.max, self.Width(), self.Height() ), self.Width(), self.Height() );
self.m_XORRectangle.set( area, self.Width(), self.Height() );
self.XY_Draw_Overlay_finish();
}
}
@ -588,7 +588,7 @@ gboolean xywnd_expose( GtkWidget* widget, GdkEventExpose* event, XYWnd* xywnd ){
xywnd->XY_Draw();
GlobalOpenGL_debugAssertNoErrors();
//xywnd->m_XORRectangle.set( rectangle_t() );
//xywnd->m_XORRectangle.set( rect_t() );
}
glwidget_swap_buffers( xywnd->GetWidget() );
}