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Add panning support

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This commit is contained in:
Guillaume Seguin 2013-06-29 15:12:57 +02:00
parent 43d764feff
commit dd7830b1b7
1 changed files with 32 additions and 3 deletions
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35
lib/Slic3r/GUI/PreviewCanvas.pm
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@ -2,15 +2,15 @@ package Slic3r::GUI::PreviewCanvas;
use strict;
use warnings;
use Wx::Event qw(EVT_PAINT EVT_SIZE EVT_ERASE_BACKGROUND EVT_IDLE EVT_TIMER EVT_MOUSEWHEEL);
use Wx::Event qw(EVT_PAINT EVT_SIZE EVT_ERASE_BACKGROUND EVT_IDLE EVT_MOUSEWHEEL EVT_MOUSE_EVENTS);
# must load OpenGL *before* Wx::GLCanvas
use OpenGL qw(:glconstants :glfunctions :glufunctions);
use base qw(Wx::GLCanvas Class::Accessor);
use Slic3r::Geometry qw(X Y Z MIN MAX triangle_normal normalize deg2rad tan);
use Wx::GLCanvas qw(:all);
__PACKAGE__->mk_accessors( qw(timer x_rot y_rot dirty init mesh_center zoom
verts norms) );
__PACKAGE__->mk_accessors( qw(quat dirty init mesh_center
verts norms initpos) );
sub new {
my ($class, $parent, $mesh) = @_;
@ -51,10 +51,39 @@ sub new {
$self->Refresh;
});
EVT_MOUSE_EVENTS($self, sub {
my ($self, $e) = @_;
if ($e->Dragging() && $e->LeftIsDown()) {
$self->handle_rotation($e);
} elsif ($e->Dragging() && $e->RightIsDown()) {
$self->handle_translation($e);
} elsif ($e->LeftUp() || $e->RightUp()) {
$self->initpos(undef);
} else {
$e->Skip();
}
});
return $self;
}
sub handle_translation {
my ($self, $e) = @_;
if (not defined $self->initpos) {
$self->initpos($e->GetPosition());
} else {
my ($orig, @orig3d, $new, @new3d);
$new = $e->GetPosition();
$orig = $self->initpos;
@orig3d = $self->mouse_to_3d($orig->x, $orig->y);
@new3d = $self->mouse_to_3d($new->x, $new->y);
glTranslatef($new3d[0] - $orig3d[0], $new3d[1] - $orig3d[1], 0);
$self->initpos($new);
$self->Refresh;
}
}
sub mouse_to_3d {
my ($self, $x, $y) = @_;