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/*
* Diverse Bristol audio routines.
* Copyright (c) by Nick Copeland <nickycopeland@hotmail.com> 1996,2012
*
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "brightoninternals.h"
static float winwidth, winheight;
static float sx = -1, sy = -1;
int
destroyTouch(brightonDevice *dev)
{
printf("destroyTouch()\n");
if (dev->image)
brightonFreeBitmap(dev->bwin, dev->image);
dev->image = NULL;
return(0);
}
static int
displaytouch(brightonDevice *dev)
{
brightonIResource *panel;
float dv, dv2;
if (dev->bwin->app->resources[dev->panel].flags & BRIGHTON_WITHDRAWN)
return(0);
panel = &dev->bwin->app->resources[dev->panel];
if (dev->value < 0)
{
if ((dev->lastposition >= 0) && (dev->lastposition2 >= 0))
{
brightonDevUndraw(dev->bwin, dev->bwin->dlayer,
dev->x + ((int) dev->lastposition2)
+ dev->bwin->app->resources[dev->panel].sx,
dev->y + ((int) dev->lastposition)
+ dev->bwin->app->resources[dev->panel].sy,
dev->image->width, dev->image->height);
brightonFinalRender(dev->bwin,
dev->x + dev->lastposition2
+ dev->bwin->app->resources[dev->panel].sx,
dev->y + dev->lastposition
+ dev->bwin->app->resources[dev->panel].sy,
dev->image->width,
dev->image->height);
return(0);
}
}
/*
* Build up a smooth position for the pot. We may need to adjust this based
* on the to/from values.
*/
if ((dev->value == dev->lastvalue) && (dev->value2 == dev->lastvalue2))
return(0);
dv = dev->value;
dv2 = 1 - dev->value2;
if ((dev->lastposition >= 0) && (dev->lastposition2 >= 0))
brightonDevUndraw(dev->bwin, dev->bwin->dlayer,
dev->x + ((int) dev->lastposition2)
+ dev->bwin->app->resources[dev->panel].sx,
dev->y + ((int) dev->lastposition)
+ dev->bwin->app->resources[dev->panel].sy,
dev->image->width, dev->image->height);
brightonFinalRender(dev->bwin,
dev->x + dev->lastposition2
+ dev->bwin->app->resources[dev->panel].sx,
dev->y + dev->lastposition
+ dev->bwin->app->resources[dev->panel].sy,
dev->image->width,
dev->image->height);
dev->position = dv * (dev->height - dev->image->height);
dev->position2 = dv2 * (dev->width - dev->image->width);
/*
* Only draw fixed number of steps.
*/
brightonRender(dev->bwin, dev->image,
dev->bwin->dlayer,
(int) (dev->x + dev->position2
+ dev->bwin->app->resources[dev->panel].sx),
(int) (dev->y + dev->position
+ dev->bwin->app->resources[dev->panel].sy),
dev->image->width, dev->image->height,
dev->position);
brightonFinalRender(dev->bwin,
dev->x + dev->position2
+ dev->bwin->app->resources[dev->panel].sx,
dev->y + dev->position
+ dev->bwin->app->resources[dev->panel].sy,
dev->image->width,
dev->image->height);
dev->lastvalue = dev->value;
dev->lastposition = dev->position;
dev->lastvalue2 = dev->value2;
dev->lastposition2 = dev->position2;
return(0);
}
static void considercallback(brightonDevice *dev)
{
brightonIResource *panel = &dev->bwin->app->resources[dev->panel];
if ((dev->value < 0) || (dev->value2 < 0))
return;
/*
* Due to the co-ordinate system, if we do NOT have the reverse flags
* then we need to reverse the value.
if ((dev->bwin->app->resources[dev->panel].devlocn[dev->index].flags
& BRIGHTON_REVERSE) == 0)
dev->value = 1.0 - dev->value;
*/
if ((dev->lastvalue != dev->value) || (dev->lastvalue2 != dev->value2))
{
if (panel->devlocn[dev->index].callback)
{
panel->devlocn[dev->index].callback(dev->bwin, dev->panel,
dev->index, 1 - dev->value);
panel->devlocn[dev->index].callback(dev->bwin, dev->panel,
dev->index + 1, 1 - dev->value2);
} else {
if (panel->callback)
panel->callback(dev->bwin, dev->panel, dev->index,
1 - dev->value);
if (panel->callback)
panel->callback(dev->bwin, dev->panel, dev->index + 1,
1 - dev->value2);
}
}
}
static int
configure(brightonDevice *dev, brightonEvent *event)
{
/*printf("configureTouch(%i)\n", event->command); */
if (event->command == -1)
return(-1);
if (event->command == BRIGHTON_RESIZE)
{
dev->originx = event->x;
dev->originy = event->y;
dev->x = event->x;
dev->y = event->y;
dev->width = event->w;
dev->height = event->h;
/*
* We should now rework our parent understanding of our window, since
* it will have altered. NOT NECESSARY FOR SCALE.
brightonPanelLocation(dev->bwin,
dev->panel, dev->index, dev->x, dev->y, dev->width, dev->height);
considercallback(dev);
*/
/*
* Highlights need to be rendered dynamically in displaytouch().
renderHighlights(dev->bwin, dev);
*/
dev->lastvalue = -1;
displaytouch(dev);
return(0);
}
if (event->command == BRIGHTON_BUTTONRELEASE)
{
if (dev->bwin->app->resources[dev->panel].devlocn[dev->index].flags
& BRIGHTON_CENTER)
{
dev->value = 0.5;
dev->value2 = 0.5;
considercallback(dev);
displaytouch(dev);
} else {
if ((dev->flags & BRIGHTON_WIDE) == 0)
dev->value = -1;
displaytouch(dev);
}
sx = sy = -1;
return(0);
}
if (event->command == BRIGHTON_MOTION)
{
if (dev->flags & BRIGHTON_WIDE)
{
if (sx == -1)
{
sx = event->x;
sy = event->y;
}
/*printf("aks motion %i %i, %i %i, %i %i: %f\n", */
/*event->x, event->y, dev->x, dev->y, winwidth, winheight, dev->value); */
if ((dev->value = ((float) event->y - sy) / winheight + 0.5) < 0)
dev->value = 0;
else if (dev->value > 1.0)
dev->value = 1.0;
/*
* Our motion started from sx, we should look for a value
* such as
* sx + event->x / winwidth
*/
if ((dev->value2 = ((float) event->x - sx) / winwidth + 0.5) < 0)
dev->value2 = 0;
else if (dev->value2 > 1.0)
dev->value2 = 1.0;
/*
* Need to to reverse value due to co-ordinate space
*/
dev->value2 = 1.0 - dev->value2;
} else {
if ((dev->value = (((float) (event->y - dev->y)) / dev->height))
< 0)
dev->value = 0;
else if (dev->value > 1.0)
dev->value = 1.0;
if ((dev->value2 = (((float) (event->x - dev->x)) / dev->width))
< 0)
dev->value2 = 0;
else if (dev->value2 > 1.0)
dev->value2 = 1.0;
dev->value2 = 1.0 - dev->value2;
}
/*printf("touch motion %i %i, %i %i, %i %i: %f\n", */
/*event->x, event->y, dev->x, dev->y, dev->width, dev->height, dev->value); */
considercallback(dev);
displaytouch(dev);
return(0);
}
return(0);
}
int *
createTouch(brightonWindow *bwin, brightonDevice *dev, int index, char *bitmap)
{
/*printf("createTouch(%s)\n", bitmap); */
winwidth = bwin->display->width / 2;
winheight = bwin->display->height / 2;
dev->destroy = destroyTouch;
dev->configure = configure;
dev->index = index;
dev->bwin = bwin;
/*
* Notch has been reused, should give it another name here
*/
if (dev->bwin->app->resources[dev->panel].devlocn[dev->index].flags
& BRIGHTON_WIDE)
dev->flags |= BRIGHTON_WIDE;
if (bitmap == 0)
{
if (dev->image)
brightonFreeBitmap(bwin, dev->image);
/*
* Open the default bitmap
*/
if (bwin->app->resources[dev->panel].devlocn[dev->index].image != 0)
dev->image =
bwin->app->resources[dev->panel].devlocn[dev->index].image;
if (dev->image == 0)
dev->image = brightonReadImage(bwin, "bitmaps/images/pointer.xpm");
} else {
if (dev->image)
brightonFreeBitmap(bwin, dev->image);
dev->image = brightonReadImage(bwin, bitmap);
if (dev->image == 0)
dev->image = brightonReadImage(bwin, "bitmaps/images/pointer.xpm");
}
/*
* These will force an update when we first display ourselves.
*/
if (bwin->app->resources[dev->panel].devlocn[dev->index].flags
& BRIGHTON_CENTER)
{
dev->value = 0.5;
dev->value2 = 0.5;
} else
dev->value = 0;
if (dev->flags & BRIGHTON_WIDE)
{
dev->value = 0.5;
dev->value2 = 0.5;
}
else
dev->value = -1;
dev->lastvalue = -1;
dev->lastposition = 0;
dev->lastvalue2 = -1;
dev->lastposition2 = 0;
return(0);
}
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