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#include "common-context.h"
#include <gtk/gtk.h>
#include "config.h"
#include "message-context.h"
#include "streq.h"
#include "preferences.h"
#include "display/sp-canvas-item.h"
#define MIN_PRESSURE 0.0
#define MAX_PRESSURE 1.0
#define DEFAULT_PRESSURE 1.0
#define DRAG_MIN 0.0
#define DRAG_DEFAULT 1.0
#define DRAG_MAX 1.0
static void sp_common_context_dispose(GObject *object);
static void sp_common_context_setup(SPEventContext *ec);
static void sp_common_context_set(SPEventContext *ec, Inkscape::Preferences::Entry *val);
static gint sp_common_context_root_handler(SPEventContext *event_context, GdkEvent *event);
G_DEFINE_TYPE(SPCommonContext, sp_common_context, SP_TYPE_EVENT_CONTEXT);
static void sp_common_context_class_init(SPCommonContextClass *klass)
{
GObjectClass *object_class = (GObjectClass *) klass;
SPEventContextClass *event_context_class = SP_EVENT_CONTEXT_CLASS(klass);
object_class->dispose = sp_common_context_dispose;
event_context_class->setup = sp_common_context_setup;
event_context_class->set = sp_common_context_set;
event_context_class->root_handler = sp_common_context_root_handler;
}
static void sp_common_context_init(SPCommonContext *ctx)
{
// ctx->cursor_shape = cursor_eraser_xpm;
// ctx->hot_x = 4;
// ctx->hot_y = 4;
ctx->accumulated = 0;
ctx->segments = 0;
ctx->currentcurve = 0;
ctx->currentshape = 0;
ctx->npoints = 0;
ctx->cal1 = 0;
ctx->cal2 = 0;
ctx->repr = 0;
/* Common values */
ctx->cur = Geom::Point(0,0);
ctx->last = Geom::Point(0,0);
ctx->vel = Geom::Point(0,0);
ctx->vel_max = 0;
ctx->acc = Geom::Point(0,0);
ctx->ang = Geom::Point(0,0);
ctx->del = Geom::Point(0,0);
/* attributes */
ctx->dragging = FALSE;
ctx->mass = 0.3;
ctx->drag = DRAG_DEFAULT;
ctx->angle = 30.0;
ctx->width = 0.2;
ctx->pressure = DEFAULT_PRESSURE;
ctx->vel_thin = 0.1;
ctx->flatness = 0.9;
ctx->cap_rounding = 0.0;
ctx->abs_width = false;
}
static void sp_common_context_dispose(GObject *object)
{
SPCommonContext *ctx = SP_COMMON_CONTEXT(object);
if (ctx->accumulated) {
ctx->accumulated = ctx->accumulated->unref();
ctx->accumulated = 0;
}
while (ctx->segments) {
sp_canvas_item_destroy(SP_CANVAS_ITEM(ctx->segments->data));
ctx->segments = g_slist_remove(ctx->segments, ctx->segments->data);
}
if (ctx->currentcurve) {
ctx->currentcurve = ctx->currentcurve->unref();
ctx->currentcurve = 0;
}
if (ctx->cal1) {
ctx->cal1 = ctx->cal1->unref();
ctx->cal1 = 0;
}
if (ctx->cal2) {
ctx->cal2 = ctx->cal2->unref();
ctx->cal2 = 0;
}
if (ctx->currentshape) {
sp_canvas_item_destroy(ctx->currentshape);
ctx->currentshape = 0;
}
if (ctx->_message_context) {
delete ctx->_message_context;
ctx->_message_context = 0;
}
G_OBJECT_CLASS(sp_common_context_parent_class)->dispose(object);
}
static void sp_common_context_setup(SPEventContext *ec)
{
if ( SP_EVENT_CONTEXT_CLASS(sp_common_context_parent_class)->setup ) {
SP_EVENT_CONTEXT_CLASS(sp_common_context_parent_class)->setup(ec);
}
}
static void sp_common_context_set(SPEventContext *ec, Inkscape::Preferences::Entry *value)
{
SPCommonContext *ctx = SP_COMMON_CONTEXT(ec);
Glib::ustring path = value->getEntryName();
// ignore preset modifications
static Glib::ustring const presets_path = ec->pref_observer->observed_path + "/preset";
Glib::ustring const &full_path = value->getPath();
if (full_path.compare(0, presets_path.size(), presets_path) == 0) return;
if (path == "mass") {
ctx->mass = 0.01 * CLAMP(value->getInt(10), 0, 100);
} else if (path == "wiggle") {
ctx->drag = CLAMP((1 - 0.01 * value->getInt()),
DRAG_MIN, DRAG_MAX); // drag is inverse to wiggle
} else if (path == "angle") {
ctx->angle = CLAMP(value->getDouble(), -90, 90);
} else if (path == "width") {
ctx->width = 0.01 * CLAMP(value->getInt(10), 1, 100);
} else if (path == "thinning") {
ctx->vel_thin = 0.01 * CLAMP(value->getInt(10), -100, 100);
} else if (path == "tremor") {
ctx->tremor = 0.01 * CLAMP(value->getInt(), 0, 100);
} else if (path == "flatness") {
ctx->flatness = 0.01 * CLAMP(value->getInt(), 0, 100);
} else if (path == "usepressure") {
ctx->usepressure = value->getBool();
} else if (path == "usetilt") {
ctx->usetilt = value->getBool();
} else if (path == "abs_width") {
ctx->abs_width = value->getBool();
} else if (path == "cap_rounding") {
ctx->cap_rounding = value->getDouble();
}
}
static gint sp_common_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
gint ret = FALSE;
// TODO add common hanlding
if ( !ret ) {
if ( SP_EVENT_CONTEXT_CLASS(sp_common_context_parent_class)->root_handler ) {
ret = SP_EVENT_CONTEXT_CLASS(sp_common_context_parent_class)->root_handler(event_context, event);
}
}
return ret;
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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