/** Implements widget::input for scrollbox widgets. */
int gg_scrollbox_input(gg_widget_t *widget, gg_event_t event)
{
gg_widget_t *child = gg_bin_get_child(GG_BIN(widget));
gg_scrollbox_t *scrollbox = GG_SCROLLBOX(widget);
gg_widget_t *view_child = gg_bin_get_child(GG_BIN(child));
float yscroll=GG_VIEWPORT(child)->yscroll;
int sliderpos=1;
int slidersize=16;
float newpos=0;
if ( event.type == GG_EVENT_MOUSE && event.mouse.x>(widget->width-16) &&
event.mouse.x<(widget->width) )
{
if ( event.mouse.y < 16 && yscroll-0.05>=0.0f && event.mouse.type == GG_MOUSE_BUTTON_UP )
gg_viewport_set_scroll_ypos(GG_VIEWPORT(child), yscroll-=0.05 );
if ( event.mouse.y > widget->height-16 && yscroll+0.05<=1.0f && event.mouse.type == GG_MOUSE_BUTTON_UP )
gg_viewport_set_scroll_ypos(GG_VIEWPORT(child), yscroll+=0.05 );
/* Are we over the grabber? */
slidersize=((float)child->height/(float)view_child->height)*(widget->height-32);
sliderpos=((widget->height-(32)+1-slidersize)*(1.0-yscroll))-1;
if ( event.mouse.y >= widget->height-16-slidersize-sliderpos && event.mouse.y <=
widget->height-16-sliderpos && event.mouse.type == GG_MOUSE_BUTTON_DOWN )
{
GG_SCROLLBOX(widget)->grabbed=TRUE;
}
if ( event.mouse.type == GG_MOUSE_BUTTON_UP )
{
GG_SCROLLBOX(widget)->grabbed=FALSE;
}
if ( GG_SCROLLBOX(widget)->grabbed )
{
newpos=((float)event.mouse.y-16.0f)/((float)widget->height-32.0f);
if ( newpos >= 0.0f && newpos <= 1.0f )
gg_viewport_set_scroll_ypos(GG_VIEWPORT(child), ((float)event.mouse.y-16.0f)/((float)widget->height-32.0f) );
/*printf( "Moved %f / %f = %f\n", (float)(event.mouse.y-16.0f), (widget->height-32), GG_VIEWPORT(child)->yscroll );*/
}
return 1;
}
else
return child->input(child, event);
return 0;
}
int gg_bin_input(gg_widget_t *widget, gg_event_t event)
{
gg_widget_t *child = gg_bin_get_child(GG_BIN(widget));
if (child)
return child->input(child, event);
return 0;
}
int gg_bin_set_focus_pos(gg_widget_t *widget, int x, int y)
{
gg_widget_t *child = gg_bin_get_child(GG_BIN(widget));
if (child)
return child->set_focus_pos(child, x, y);
return 0;
}
void gg_bin_set_size(gg_widget_t *widget, int width, int height)
{
gg_widget_t *child = gg_bin_get_child(GG_BIN(widget));
if (child)
child->set_size(child, width, height);
gg_set_size(widget, width, height);
}
/** Implements widget::render for scrollbox widgets. */
void gg_scrollbox_render(gg_widget_t *widget, int x, int y, int focus)
{
gg_widget_t *child = gg_bin_get_child(GG_BIN(widget));
gg_scrollbox_t *scrollbox = GG_SCROLLBOX(widget);
gg_widget_t *view_child = gg_bin_get_child(GG_BIN(child));
gg_rect_t source, dest;
int sliderpos=1;
int slidersize=16;
float yscroll=GG_VIEWPORT(child)->yscroll;
gg_widget_t *parent=widget;
gg_dialog_style_t *style;
source.x=source.y=0;
source.width=source.height=16;
/* Draw Top Left Corner */
dest.x = x+widget->width-16.0f; dest.y = y;
dest.width = 16; dest.height = 16;
gg_system_draw_image(gg_dialog_get_current_style()->widget_images[1], source, dest,
GG_MODE_TILE, GG_MODE_SCALE, &col_white, FALSE);
dest.x = x+widget->width-16.0f; dest.y = y+16;
dest.width = 16; dest.height = widget->height-(32);
gg_system_draw_image(gg_dialog_get_current_style()->widget_images[4], source, dest,
GG_MODE_TILE, GG_MODE_SCALE, &col_white, FALSE);
dest.x = x+widget->width-16.0f; dest.y = y+widget->height-16;
dest.width = 16; dest.height = 16;
gg_system_draw_image(gg_dialog_get_current_style()->widget_images[0], source, dest,
GG_MODE_TILE, GG_MODE_SCALE, &col_white, FALSE);
/* Draw the slider! */
slidersize=((float)child->height/(float)view_child->height)*(widget->height-32);
sliderpos=((widget->height-(32)+1-slidersize)*yscroll)-1;
dest.x = x+widget->width-16.0f; dest.y = y+16+sliderpos;
dest.width = 16; dest.height = slidersize;
gg_system_draw_image(gg_dialog_get_current_style()->widget_images[7], source, dest,
GG_MODE_TILE, GG_MODE_SCALE, &col_white, FALSE);
child->render(child, x, y, GG_FOCUS_NONE);
}
/** @brief Renders a dialog.
*
* Renders a dialog in a specific style and at a specific position.
*
* @param menu The dialog to render.
* @param style The style to render in.
* @param pos The position to render at.
*/
void gg_dialog_render(gg_dialog_t *dialog, int active)
{
gg_dialog_style_t *style = &dialog->style;
gg_widget_t *child = gg_bin_get_child(GG_BIN(dialog));
int size = 0;
gg_rect_t area;
int xmin, xmax, ymin, ymax;
if (dialog->flags & GG_DIALOG_HIDDEN)
return;
gg_dialog_get_screen_pos(dialog, &xmin, &ymin);
xmax = (xmin + dialog->width);
ymax = (ymin + dialog->height);
/* Draw the 'fade' */
gg_system_draw_filled_rect(0, 0, 640, 480, &style->fade_col);
if (style->textured)
gg_system_get_image_size(style->border.image[0], &size, NULL);
xmin += size;
xmax -= size;
ymin += size;
ymax -= size;
area.x = xmin;
area.y = ymin;
area.width = xmax - xmin;
area.height = ymax - ymin;
if (dialog_in_trans)
area.height *= dialog_get_transition();
if (style->textured)
draw_border(style->border.image, dialog->title, active, area, size);
xmin += style->hor_pad;
xmax -= style->hor_pad;
ymin += style->vert_pad;
ymax -= style->vert_pad;
if (!dialog_in_trans)
child->render(child, xmin, ymin, active);
dialog_get_transition();
}
void gg_dialog_set_style(gg_dialog_t *dialog, gg_dialog_style_t *style)
{
int size;
gg_widget_t *child = gg_bin_get_child(GG_BIN(dialog));
dialog->style = *style;
dialog->width = child->width_a + 2 * dialog->style.hor_pad;
dialog->height = child->height_a + 2 * dialog->style.vert_pad;
if (style->textured)
{
gg_system_get_image_size(style->border.image[0], &size, NULL);
dialog->width += 2 * size;
dialog->height += 2 * size;
}
if (dialog->title)
{
int text_height;
gg_system_get_string_size(dialog->title, NULL, &text_height);
dialog->height += text_height * GG_DIALOG_TITLE_FACT;
dialog->height += GG_DIALOG_TITLE_SEP_HEIGHT;
}
}
int gg_dialog_input(gg_widget_t *widget, gg_event_t event)
{
gg_dialog_t *dialog = GG_DIALOG(widget);
gg_widget_t *child = gg_bin_get_child(GG_BIN(widget));
int x, y;
if (dialog->flags & GG_DIALOG_HIDDEN)
return 0;
if (!dialog->modal && event.type == GG_EVENT_KEY && event.key == GG_KEY_ESCAPE )
gg_dialog_close();
if (!dialog->modal && event.type == GG_EVENT_MOUSE && event.mouse.type == GG_MOUSE_BUTTON_DOWN &&
event.mouse.button == 2 )
gg_dialog_close();
gg_dialog_get_screen_pos(dialog, &x, &y);
if (event.type == GG_EVENT_MOUSE)
{
int size = 0;
event.mouse.x -= x;
event.mouse.y -= y;
if (dialog->style.textured)
gg_system_get_image_size(dialog->style.border.image[0], &size, NULL);
if (event.mouse.type == GG_MOUSE_BUTTON_DOWN
&& event.mouse.button == 0)
{
if (dialog->title)
{
int text_height;
int titlebar_height;
gg_system_get_string_size(dialog->title, NULL, &text_height);
titlebar_height = text_height * GG_DIALOG_TITLE_FACT;
dialog->dialog_state |= GG_DIALOG_LEFT_BUTTON;
/* Mouse click outside of dialog */
if (event.mouse.y >= dialog->height || event.mouse.y < 0
|| event.mouse.x >= dialog->width || event.mouse.x < 0)
return 0;
gg_dialog_set_active(dialog);
/* Title bar click */
if (event.mouse.y >= dialog->height - size - titlebar_height
&& event.mouse.y < dialog->height - size
&& event.mouse.x >= size
&& event.mouse.x < dialog->width - size)
{
dialog->dialog_state |= GG_DIALOG_MOVING;
dialog->movement_org_x = event.mouse.x;
dialog->movement_org_y = event.mouse.y;
return 1;
}
}
}
else if (event.mouse.type == GG_MOUSE_BUTTON_UP
&& event.mouse.button == 0)
{
if (dialog->title)
{
dialog->dialog_state &= ~GG_DIALOG_LEFT_BUTTON;
if (dialog->dialog_state & GG_DIALOG_MOVING)
{
dialog->dialog_state &= ~GG_DIALOG_MOVING;
return 1;
}
}
}
if ((event.mouse.type == GG_MOUSE_MOVE)
&& (dialog->dialog_state & GG_DIALOG_MOVING))
{
int xoff = dialog->width * dialog->pos.x_align;
int yoff = dialog->height * dialog->pos.y_align;
gg_dialog_set_position(dialog, x + event.mouse.x - dialog->movement_org_x + xoff,
y + event.mouse.y - dialog->movement_org_y + yoff,
dialog->pos.x_align, dialog->pos.y_align);
}
event.mouse.x -= size + dialog->style.hor_pad;
event.mouse.y -= size + dialog->style.vert_pad;
if (!(event.mouse.type == GG_MOUSE_MOVE
&& dialog->dialog_state & GG_DIALOG_LEFT_BUTTON))
{
gg_widget_t *child = gg_bin_get_child(GG_BIN(dialog));
if (event.mouse.x >= 0 && event.mouse.x < child->width_a
&& event.mouse.y >= 0 && event.mouse.y < child->height_a)
dialog->set_focus_pos(GG_WIDGET(dialog), event.mouse.x, event.mouse.y);
}
}
if (child->input)
return child->input(child, event);
return 0;
}