void textbox::draw_contents()
{
SDL_Rect const &loc = inner_location();
surface surf = video().getSurface();
draw_solid_tinted_rectangle(loc.x,loc.y,loc.w,loc.h,0,0,0,
focus(NULL) ? alpha_focus_ : alpha_, surf);
SDL_Rect src;
if(text_image_ == NULL) {
update_text_cache(true);
}
if(text_image_ != NULL) {
src.y = yscroll_;
src.w = std::min<size_t>(loc.w,text_image_->w);
src.h = std::min<size_t>(loc.h,text_image_->h);
src.x = text_pos_;
SDL_Rect dest = screen_area();
dest.x = loc.x;
dest.y = loc.y;
// Fills the selected area
if(is_selection()) {
const int start = std::min<int>(selstart_,selend_);
const int end = std::max<int>(selstart_,selend_);
int startx = char_x_[start];
int starty = char_y_[start];
const int endx = char_x_[end];
const int endy = char_y_[end];
while(starty <= endy) {
const size_t right = starty == endy ? endx : text_image_->w;
if(right <= size_t(startx)) {
break;
}
SDL_Rect rect = create_rect(loc.x + startx
, loc.y + starty - src.y
, right - startx
, line_height_);
const clip_rect_setter clipper(surf, &loc);
Uint32 color = SDL_MapRGB(surf->format, 0, 0, 160);
fill_rect_alpha(rect, color, 140, surf);
starty += int(line_height_);
startx = 0;
}
}
sdl_blit(text_image_, &src, surf, &dest);
}
draw_cursor((cursor_pos_ == 0 ? 0 : cursor_pos_ - 1), video());
update_rect(loc);
}
void draw_solid_tinted_rectangle(int x, int y, int w, int h,
int r, int g, int b,
double alpha, surface target)
{
SDL_Rect rect = create_rect(x, y, w, h);
fill_rect_alpha(rect,SDL_MapRGB(target->format,r,g,b),Uint8(alpha*255),target);
}
void textbox::draw_contents()
{
SDL_Rect const &loc = inner_location();
surface surf = video().getSurface();
draw_solid_tinted_rectangle(loc.x,loc.y,loc.w,loc.h,0,0,0,
focus(NULL) ? alpha_focus_ : alpha_, surf);
SDL_Rect src;
if(text_image_ == NULL) {
update_text_cache(true);
}
if(text_image_ != NULL) {
src.y = yscroll_;
src.w = std::min<size_t>(loc.w,text_image_->w);
src.h = std::min<size_t>(loc.h,text_image_->h);
src.x = text_pos_;
SDL_Rect dest = screen_area();
dest.x = loc.x;
dest.y = loc.y;
// Fills the selected area
if(enabled() && is_selection()) {
const int start = std::min<int>(selstart_,selend_);
const int end = std::max<int>(selstart_,selend_);
int startx = char_x_[start];
int starty = char_y_[start];
const int endx = char_x_[end];
const int endy = char_y_[end];
while(starty <= endy) {
const size_t right = starty == endy ? endx : text_image_->w;
if(right <= size_t(startx)) {
break;
}
SDL_Rect rect = create_rect(loc.x + startx
, loc.y + starty - src.y
, right - startx
, line_height_);
const clip_rect_setter clipper(surf, &loc);
Uint32 color = SDL_MapRGB(surf->format, 0, 0, 160);
fill_rect_alpha(rect, color, 140, surf);
starty += int(line_height_);
startx = 0;
}
}
if(enabled()) {
sdl_blit(text_image_, &src, surf, &dest);
} else {
// HACK: using 30% opacity allows white text to look as though it is grayed out,
// while not changing any applicable non-grayscale AA. Actual colored text will
// not look as good, but this is not currently a concern since GUI1 textboxes
// are not used much nowadays, and they will eventually all go away.
sdl_blit(adjust_surface_alpha(text_image_, ftofxp(0.3)), &src, surf, &dest);
}
}
draw_cursor((cursor_pos_ == 0 ? 0 : cursor_pos_ - 1), video());
update_rect(loc);
}
