static void
bevel_right(uint8_t *p0, int w, int h)
{
uint8_t *p = p0;
int y;
for(y = 0; y < h; y++) {
p+= (w - 1) * GRAD_BPP;
*p = GLW_MAX((int)*p - BEVEL_STRENGTH, 0); p++;
*p = GLW_MAX((int)*p - BEVEL_STRENGTH, 0); p++;
*p = GLW_MAX((int)*p - BEVEL_STRENGTH, 0); p++;
}
}
static void
bevel_bottom(uint8_t *p0, int w, int h)
{
int x;
uint8_t *p = p0 + w * GRAD_BPP * (h - 1);
for(x = 0; x < w; x++) {
*p = GLW_MAX((int)*p - BEVEL_STRENGTH, 0); p++;
*p = GLW_MAX((int)*p - BEVEL_STRENGTH, 0); p++;
*p = GLW_MAX((int)*p - BEVEL_STRENGTH, 0); p++;
}
}
static void
glw_image_layout_tesselated(glw_root_t *gr, glw_rctx_t *rc, glw_image_t *gi,
glw_loadable_texture_t *glt)
{
float tex[4][2];
float vex[4][2];
int x, y, i = 0;
if(gr->gr_normalized_texture_coords) {
tex[1][0] = 0.0f + (float)gi->gi_border_left / glt->glt_xs;
tex[2][0] = glt->glt_s - (float)gi->gi_border_right / glt->glt_xs;
tex[0][0] = gi->gi_bitmap_flags & GLW_IMAGE_BORDER_LEFT ? 0.0f : tex[1][0];
tex[3][0] = gi->gi_bitmap_flags & GLW_IMAGE_BORDER_RIGHT ? glt->glt_s : tex[2][0];
tex[0][1] = 0.0f;
tex[1][1] = 0.0f + (float)gi->gi_border_top / glt->glt_ys;
tex[2][1] = glt->glt_t - (float)gi->gi_border_bottom / glt->glt_ys;
tex[3][1] = glt->glt_t;
} else {
tex[1][0] = gi->gi_border_left;
tex[2][0] = glt->glt_xs - gi->gi_border_right;
tex[0][0] = gi->gi_bitmap_flags & GLW_IMAGE_BORDER_LEFT ? 0.0f : tex[1][0];
tex[3][0] = gi->gi_bitmap_flags & GLW_IMAGE_BORDER_RIGHT ? glt->glt_xs : tex[2][0];
tex[0][1] = 0.0f;
tex[1][1] = gi->gi_border_top;
tex[2][1] = glt->glt_ys - gi->gi_border_bottom;
tex[3][1] = glt->glt_ys;
}
vex[0][0] = GLW_MIN(-1.0f + 2.0f * (gi->gi_margin_left) / rc->rc_width, 0.0f);
vex[1][0] = GLW_MIN(-1.0f + 2.0f * (gi->gi_border_left + gi->gi_margin_left) / rc->rc_width, 0.0f);
vex[2][0] = GLW_MAX( 1.0f - 2.0f * (gi->gi_border_right + gi->gi_margin_right) / rc->rc_width, 0.0f);
vex[3][0] = GLW_MAX( 1.0f - 2.0f * (gi->gi_margin_right) / rc->rc_width, 0.0f);
vex[0][1] = GLW_MAX( 1.0f - 2.0f * (gi->gi_margin_top) / rc->rc_height, 0.0f);
vex[1][1] = GLW_MAX( 1.0f - 2.0f * (gi->gi_border_top + gi->gi_margin_top) / rc->rc_height, 0.0f);
vex[2][1] = GLW_MIN(-1.0f + 2.0f * (gi->gi_border_bottom + gi->gi_margin_bottom) / rc->rc_height, 0.0f);
vex[3][1] = GLW_MIN(-1.0f + 2.0f * (gi->gi_margin_bottom) / rc->rc_height, 0.0f);
for(y = 0; y < 4; y++) {
for(x = 0; x < 4; x++) {
glw_renderer_vtx_pos(&gi->gi_gr, i, vex[x][0], vex[y][1], 0.0f);
glw_renderer_vtx_st (&gi->gi_gr, i, tex[x][0], tex[y][1]);
i++;
}
}
}
static void
glw_image_layout_alpha_edges(glw_root_t *gr, glw_rctx_t *rc, glw_image_t *gi,
glw_loadable_texture_t *glt)
{
float tex[4][2];
float vex[4][2];
int x, y, i = 0;
if(gr->gr_normalized_texture_coords) {
tex[0][0] = 0.0f;
tex[1][0] = 0.0f + (float)gi->gi_alpha_edge / glt->glt_xs;
tex[2][0] = glt->glt_s - (float)gi->gi_alpha_edge / glt->glt_xs;
tex[3][0] = glt->glt_s;
tex[0][1] = 0.0f;
tex[1][1] = 0.0f + (float)gi->gi_alpha_edge / glt->glt_ys;
tex[2][1] = glt->glt_t - (float)gi->gi_alpha_edge / glt->glt_ys;
tex[3][1] = glt->glt_t;
} else {
tex[0][0] = 0.0f;
tex[1][0] = gi->gi_alpha_edge;
tex[2][0] = glt->glt_xs - gi->gi_alpha_edge;
tex[3][0] = glt->glt_xs;
tex[0][1] = 0.0f;
tex[1][1] = gi->gi_alpha_edge;
tex[2][1] = glt->glt_ys - gi->gi_alpha_edge;
tex[3][1] = glt->glt_ys;
}
vex[0][0] = -1.0f;
vex[1][0] = GLW_MIN(-1.0f + 2.0f * gi->gi_alpha_edge / rc->rc_width, 0.0f);
vex[2][0] = GLW_MAX( 1.0f - 2.0f * gi->gi_alpha_edge / rc->rc_width, 0.0f);
vex[3][0] = 1.0f;
vex[0][1] = 1.0f;
vex[1][1] = GLW_MAX( 1.0f - 2.0f * gi->gi_alpha_edge / rc->rc_height, 0.0f);
vex[2][1] = GLW_MIN(-1.0f + 2.0f * gi->gi_alpha_edge / rc->rc_height, 0.0f);
vex[3][1] = -1.0f;
for(y = 0; y < 4; y++) {
for(x = 0; x < 4; x++) {
glw_renderer_vtx_pos(&gi->gi_gr, i, vex[x][0], vex[y][1], 0.0f);
glw_renderer_vtx_st (&gi->gi_gr, i, tex[x][0], tex[y][1]);
glw_renderer_vtx_col(&gi->gi_gr, i, 1, 1, 1, alphaborder[x][y]);
i++;
}
}
}
static void
glw_freefloat_render(glw_t *w, const glw_rctx_t *rc)
{
glw_freefloat_t *ff = (glw_freefloat_t *)w;
glw_t *c;
int i;
float a;
glw_rctx_t rc0;
for(i = 0; i < ff->num_visible; i++) {
if((c = ff->visible[i]) == NULL)
continue;
rc0 = *rc;
a = (1 - fabs(-1 + (GLW_MAX(0, -0.1 + c->glw_parent_v * 2.1))));
rc0.rc_alpha *= a;
glw_Translatef(&rc0,
c->glw_parent_x,
c->glw_parent_y,
-5 + c->glw_parent_v * 5);
glw_Rotatef(&rc0,
-30 + c->glw_parent_v * 60,
fabsf(sin(c->glw_parent_a)),
fabsf(cos(c->glw_parent_a)),
0.0);
glw_render0(c, &rc0);
}
}
static void
update_value_delta(glw_slider_t *s, float d)
{
if(s->p != NULL)
prop_add_float(s->p, d * (s->max - s->min));
else {
s->value = GLW_MAX(s->min, GLW_MIN(s->max, s->value + d));
if(s->bound_widget != NULL) {
glw_scroll_t gs;
gs.value = s->value;
glw_signal0(s->bound_widget, GLW_SIGNAL_SCROLL, &gs);
}
}
}
static void
update_value(glw_slider_t *s, float v, int how)
{
v = GLW_MAX(0, GLW_MIN(1.0, v));
if(s->p != NULL)
prop_set_float_ex(s->p, NULL, v * (s->max - s->min) + s->min, how);
else {
s->value = v;
if(s->bound_widget != NULL) {
glw_scroll_t gs;
gs.value = s->value;
glw_signal0(s->bound_widget, GLW_SIGNAL_SCROLL, &gs);
}
}
}
static void
update_value_delta(glw_slider_t *s, float d)
{
if(s->p != NULL) {
s->interpolate = 2;
prop_add_float(s->p, d * (s->max - s->min));
} else {
s->value = GLW_MAX(s->min, GLW_MIN(s->max, s->value + d));
s->interpolate = 1;
if(s->bound_widget != NULL) {
glw_scroll_t gs;
gs.value = s->value;
glw_signal0(s->bound_widget, GLW_SIGNAL_SCROLL, &gs);
}
glw_need_refresh(s->w.glw_root, 0);
}
}
void
glw_scroll_handle_scroll(glw_scroll_control_t *gsc, glw_t *w, glw_scroll_t *gs)
{
int top = GLW_MAX(gs->value * (gsc->total_size - gsc->page_size
+ gsc->scroll_threshold_post), 0);
gsc->target_pos = top;
glw_schedule_refresh(w->glw_root, 0);
if(gsc->chase_focus == 0)
return;
glw_t *c = w->glw_class->gc_find_visible_child(w);
if(c == NULL)
return;
if(glw_is_focused(w)) {
glw_focus_set(w->glw_root, c, GLW_FOCUS_SET_SUGGESTED, "Scroll");
} else {
w->glw_focused = c;
glw_signal0(w, GLW_SIGNAL_FOCUS_CHILD_INTERACTIVE, c);
}
}
void
glw_scroll_update_metrics(glw_scroll_control_t *gsc, glw_t *w)
{
float v;
int do_update = 0;
w->glw_flags &= ~GLW_UPDATE_METRICS;
v = GLW_MIN(1.0f, (float)gsc->page_size / gsc->total_size);
if(v != gsc->metrics.knob_size) {
do_update = 1;
gsc->metrics.knob_size = v;
}
v = GLW_MAX(0, (float)gsc->target_pos / (gsc->total_size - gsc->page_size + gsc->scroll_threshold_post));
if(v != gsc->metrics.position) {
do_update = 1;
gsc->metrics.position = v;
}
if(!do_update)
return;
if(gsc->total_size > gsc->page_size && !(w->glw_flags & GLW_CAN_SCROLL)) {
w->glw_flags |= GLW_CAN_SCROLL;
glw_signal0(w, GLW_SIGNAL_CAN_SCROLL_CHANGED, NULL);
} else if(gsc->total_size <= gsc->page_size &&
w->glw_flags & GLW_CAN_SCROLL) {
w->glw_flags &= ~GLW_CAN_SCROLL;
glw_signal0(w, GLW_SIGNAL_CAN_SCROLL_CHANGED, NULL);
}
glw_signal0(w, GLW_SIGNAL_SLIDER_METRICS, &gsc->metrics);
}
static void
prop_callback(void *opaque, prop_event_t event, ...)
{
glw_slider_t *sl = opaque;
glw_root_t *gr;
float v;
prop_t *p;
int how = 0;
int grabbed;
if(sl == NULL)
return;
gr = sl->w.glw_root;
va_list ap;
va_start(ap, event);
grabbed = gr->gr_pointer_grab == &sl->w;
switch(event) {
case PROP_SET_VOID:
if(grabbed)
gr->gr_pointer_grab = NULL;
v = 0;
p = va_arg(ap, prop_t *);
break;
case PROP_SET_FLOAT:
v = va_arg(ap, double);
p = va_arg(ap, prop_t *);
how = va_arg(ap, int);
break;
case PROP_SET_INT:
v = va_arg(ap, int);
p = va_arg(ap, prop_t *);
break;
default:
return;
}
prop_ref_dec(sl->p);
sl->p = prop_ref_inc(p);
switch(how) {
case PROP_SET_NORMAL:
if(sl->tentative_only)
return;
break;
case PROP_SET_TENTATIVE:
sl->tentative_only = 1;
break;
case PROP_SET_COMMIT:
sl->tentative_only = 0;
break;
}
if(sl->max - sl->min == 0)
return;
v = GLW_RESCALE(v, sl->min, sl->max);
sl->value = GLW_MAX(0, GLW_MIN(1.0, v));
if(sl->interpolate)
sl->interpolate--;
}
static void
glw_slideshow_layout(glw_t *w, const glw_rctx_t *rc)
{
glw_slideshow_t *s = (glw_slideshow_t *)w;
glw_t *c, *p, *n;
float delta;
glw_reset_screensaver(w->glw_root);
delta = s->w.glw_root->gr_frameduration / (1000000.0 * s->transition_time);
if(s->time == 0) {
s->displaytime = INT32_MAX;
} else {
s->displaytime = 1000000 * s->time / s->w.glw_root->gr_frameduration;
}
if((c = s->w.glw_focused) == NULL) {
c = s->w.glw_focused = glw_first_widget(&s->w);
if(c)
glw_copy_constraints(&s->w, c);
}
if(c == NULL)
return;
if(s->timer >= s->displaytime) {
c = glw_next_widget(c);
if(c == NULL)
c = glw_first_widget(&s->w);
s->timer = 0;
if(c != NULL) {
glw_focus_open_path_close_all_other(c);
glw_copy_constraints(&s->w, c);
}
}
if(!s->hold)
s->timer++;
glw_layout0(c, rc);
c->glw_parent_alpha = GLW_MIN(c->glw_parent_alpha + delta, 1.0f);
/**
* Keep previous and next images 'hot' (ie, loaded into texture memory)
*/
p = glw_prev_widget(c);
if(p == NULL)
p = glw_last_widget(&s->w);
if(p != NULL && p != c) {
p->glw_parent_alpha = GLW_MAX(p->glw_parent_alpha - delta, 0.0f);
glw_layout0(p, rc);
}
n = glw_next_widget(c);
if(n == NULL)
n = glw_first_widget(&s->w);
if(n != NULL && n != c) {
n->glw_parent_alpha = GLW_MAX(n->glw_parent_alpha - delta, 0.0f);
glw_layout0(n, rc);
}
}
static void
glw_image_layout_tesselated(glw_root_t *gr, glw_rctx_t *rc, glw_image_t *gi,
glw_loadable_texture_t *glt)
{
float tex[4][2];
float vex[4][2];
int x, y, i = 0, BL, BR;
if(gi->w.glw_flags2 & GLW2_AUTOMARGIN) {
gi->gi_automargin_left = 0;
gi->gi_automargin_top = 0;
gi->gi_automargin_right = 0;
gi->gi_automargin_bottom = 0;
glw_t *c = TAILQ_FIRST(&gi->w.glw_childs);
if(c != NULL && (c->glw_flags & (GLW_CONSTRAINT_X | GLW_CONSTRAINT_Y)) ==
(GLW_CONSTRAINT_X | GLW_CONSTRAINT_Y)) {
int hspill = rc->rc_width - c->glw_req_size_x -
gi->gi_box_left - gi->gi_box_right;
if(hspill > 0) {
gi->gi_automargin_left = hspill / 2 + (hspill & 1);
gi->gi_automargin_right = hspill / 2;
}
int vspill = rc->rc_height - c->glw_req_size_y -
gi->gi_box_top - gi->gi_box_bottom;
if(vspill > 0) {
gi->gi_automargin_top = vspill / 2 + (vspill & 1);
gi->gi_automargin_bottom = vspill / 2;
}
} else if(c != NULL && c->glw_flags & GLW_CONSTRAINT_W &&
c->glw_req_weight < 0) {
float aspect = -c->glw_req_weight;
float cw = rc->rc_width - gi->gi_box_left - gi->gi_box_right;
float ch = rc->rc_height - gi->gi_box_top - gi->gi_box_bottom;
float myaspect = cw / ch;
if(myaspect > aspect) {
// We are wider than our child wants
int cwidth = ch * aspect;
int hspill = cw - cwidth;
if(hspill > 0) {
gi->gi_automargin_left = hspill / 2 + (hspill & 1);
gi->gi_automargin_right = hspill / 2;
}
} else {
int cheight = cw / aspect;
int vspill = ch - cheight;
if(vspill > 0) {
gi->gi_automargin_top = vspill / 2 + (vspill & 1);
gi->gi_automargin_bottom = vspill / 2;
}
}
} else if(gi->gi_child_aspect > 0) {
int px = rc->rc_height * gi->gi_child_aspect;
int hspill = rc->rc_width - px - gi->gi_box_left - gi->gi_box_right;
if(hspill > 0) {
gi->gi_automargin_left = hspill / 2 + (hspill & 1);
gi->gi_automargin_right = hspill / 2;
}
}
if(gi->w.glw_flags & GLW_DEBUG)
printf("Automargin %d,%d,%d,%d\n",
gi->gi_automargin_left,
gi->gi_automargin_top,
gi->gi_automargin_right,
gi->gi_automargin_bottom);
update_box(gi);
}
if(gr->gr_normalized_texture_coords) {
tex[1][0] = 0.0f + (float)gi->gi_border_left / glt->glt_xs;
tex[2][0] = glt->glt_s - (float)gi->gi_border_right / glt->glt_xs;
tex[0][0] = gi->gi_bitmap_flags & GLW_IMAGE_BORDER_LEFT ? 0.0f : tex[1][0];
tex[3][0] = gi->gi_bitmap_flags & GLW_IMAGE_BORDER_RIGHT ? glt->glt_s : tex[2][0];
tex[0][1] = 0.0f;
tex[1][1] = 0.0f + (float)gi->gi_border_top / glt->glt_ys;
tex[2][1] = glt->glt_t - (float)gi->gi_border_bottom / glt->glt_ys;
tex[3][1] = glt->glt_t;
} else {
tex[1][0] = gi->gi_border_left;
tex[2][0] = glt->glt_xs - gi->gi_border_right;
tex[0][0] = gi->gi_bitmap_flags & GLW_IMAGE_BORDER_LEFT ? 0.0f : tex[1][0];
tex[3][0] = gi->gi_bitmap_flags & GLW_IMAGE_BORDER_RIGHT ? glt->glt_xs : tex[2][0];
tex[0][1] = 0.0f;
tex[1][1] = gi->gi_border_top;
tex[2][1] = glt->glt_ys - gi->gi_border_bottom;
tex[3][1] = glt->glt_ys;
}
if(gi->gi_bitmap_flags & GLW_IMAGE_ASPECT_FIXED_BORDERS) {
BL = rc->rc_height * gi->gi_border_left / glt->glt_ys;
BR = rc->rc_height * gi->gi_border_right / glt->glt_ys;
gi->gi_border_left_afix = BL;
gi->gi_border_right_afix = BR;
update_box(gi);
} else {
BL = gi->gi_border_left;
BR = gi->gi_border_right;
}
vex[0][0] = GLW_MIN(-1.0f + 2.0f * (gi->gi_margin_left + gi->gi_automargin_left) / rc->rc_width, 0.0f);
vex[1][0] = GLW_MIN(-1.0f + 2.0f * (BL + gi->gi_margin_left + gi->gi_automargin_left) / rc->rc_width, 0.0f);
vex[2][0] = GLW_MAX( 1.0f - 2.0f * (BR + gi->gi_margin_right + gi->gi_automargin_right) / rc->rc_width, 0.0f);
vex[3][0] = GLW_MAX( 1.0f - 2.0f * (gi->gi_margin_right + gi->gi_automargin_right) / rc->rc_width, 0.0f);
vex[0][1] = GLW_MAX( 1.0f - 2.0f * (gi->gi_margin_top + gi->gi_automargin_top) / rc->rc_height, 0.0f);
vex[1][1] = GLW_MAX( 1.0f - 2.0f * (gi->gi_border_top + gi->gi_margin_top + gi->gi_automargin_top) / rc->rc_height, 0.0f);
vex[2][1] = GLW_MIN(-1.0f + 2.0f * (gi->gi_border_bottom + gi->gi_margin_bottom + gi->gi_automargin_bottom) / rc->rc_height, 0.0f);
vex[3][1] = GLW_MIN(-1.0f + 2.0f * (gi->gi_margin_bottom + gi->gi_automargin_bottom) / rc->rc_height, 0.0f);
for(y = 0; y < 4; y++) {
for(x = 0; x < 4; x++) {
glw_renderer_vtx_pos(&gi->gi_gr, i, vex[x][0], vex[y][1], 0.0f);
glw_renderer_vtx_st (&gi->gi_gr, i, tex[x][0], tex[y][1]);
i++;
}
}
}
static void
glw_slideshow_layout(glw_t *w, const glw_rctx_t *rc)
{
glw_root_t *gr = w->glw_root;
glw_slideshow_t *s = (glw_slideshow_t *)w;
glw_t *c, *p, *n;
float delta;
int r = 0;
glw_reset_screensaver(w->glw_root);
delta = s->w.glw_root->gr_frameduration / (float)s->transition_time;
if((c = s->w.glw_focused) == NULL) {
c = s->w.glw_focused = glw_first_widget(&s->w);
if(c)
glw_copy_constraints(&s->w, c);
}
if(c == NULL)
return;
glw_schedule_refresh(gr, s->deadline);
if(s->deadline <= gr->gr_frame_start) {
s->deadline = gr->gr_frame_start + s->display_time;
c = glw_next_widget(c);
if(c == NULL)
c = glw_first_widget(&s->w);
if(c != NULL) {
glw_focus_open_path_close_all_other(c);
glw_copy_constraints(&s->w, c);
}
}
glw_layout0(c, rc);
r |= update_parent_alpha(c, GLW_MIN(c->glw_parent_alpha + delta, 1.0f));
/**
* Keep previous and next images 'hot' (ie, loaded into texture memory)
*/
p = glw_prev_widget(c);
if(p == NULL)
p = glw_last_widget(&s->w, 0);
if(p != NULL && p != c) {
r |= update_parent_alpha(p, GLW_MAX(p->glw_parent_alpha - delta, 0.0f));
glw_layout0(p, rc);
}
n = glw_next_widget(c);
if(n == NULL)
n = glw_first_widget(&s->w);
if(n != NULL && n != c) {
r |= update_parent_alpha(n, GLW_MAX(n->glw_parent_alpha - delta, 0.0f));
glw_layout0(n, rc);
}
if(r)
glw_need_refresh(w->glw_root, 0);
}
