component* textinput_create(const text_settings *tconf, const char *text, const char *initialvalue) {
component *c = widget_create();
textinput *tb = malloc(sizeof(textinput));
memset(tb, 0, sizeof(textinput));
tb->text = strdup(text);
memcpy(&tb->tconf, tconf, sizeof(text_settings));
tb->pos = &tb->pos_;
// Background for field
int tsize = text_char_width(&tb->tconf);
image img;
image_create(&img, 15*tsize+2, tsize+3);
image_clear(&img, COLOR_MENU_BG);
image_rect(&img, 0, 0, 15*tsize+1, tsize+2, COLOR_MENU_BORDER);
surface_create_from_image(&tb->sur, &img);
image_free(&img);
// Copy over the initial value
memcpy(tb->buf, initialvalue, strlen(initialvalue)+1);
// Widget stuff
widget_set_obj(c, tb);
widget_set_render_cb(c, textinput_render);
widget_set_event_cb(c, textinput_event);
widget_set_tick_cb(c, textinput_tick);
widget_set_free_cb(c, textinput_free);
return c;
}
void textbutton_set_border(component *c, color col) {
textbutton *tb = widget_get_obj(c);
tb->border_enabled = 1;
tb->border_color = col;
if(tb->border_created) {
// destroy the old border first
surface_free(&tb->border);
}
// create new border
int chars = strlen(tb->text);
int fsize = text_char_width(&tb->tconf);
int width = chars * fsize;
menu_background_border_create(&tb->border, width+6, fsize+3);
tb->border_created = 1;
}
void text_render(const text_settings *settings, int x, int y, int w, int h, const char *text) {
int len = strlen(text);
int size = text_char_width(settings);
int xspace = w - settings->padding.left - settings->padding.right;
int yspace = h - settings->padding.top - settings->padding.bottom;
int charw = size + settings->cspacing;
int charh = size + settings->lspacing;
int rows = (yspace + settings->lspacing) / charh;
int cols = (xspace + settings->cspacing) / charw;
int fit_lines = text_find_line_count(settings->direction, cols, rows, len, text);
int start_x = x + settings->padding.left;
int start_y = y + settings->padding.top;
int tmp_s = 0;
// Initial alignment for whole text block
switch(settings->direction) {
case TEXT_VERTICAL:
tmp_s = fit_lines * charw - settings->cspacing; // Total W minus last spacing
switch(settings->halign) {
case TEXT_CENTER:
start_x += ceil((xspace - tmp_s) / 2.0f);
break;
case TEXT_RIGHT:
start_x += (xspace - tmp_s);
break;
default: break;
}
break;
case TEXT_HORIZONTAL:
tmp_s = fit_lines * charh - settings->lspacing; // Total H minus last spacing
switch(settings->valign) {
case TEXT_MIDDLE:
start_y += floor((yspace - tmp_s) / 2.0f);
break;
case TEXT_BOTTOM:
start_y += (yspace - tmp_s);
break;
default: break;
}
break;
}
int ptr = 0;
int line = 0;
while(ptr < len-1 && line < fit_lines) {
int line_len;
int real_len;
int mx = 0;
int my = 0;
int line_pw;
int line_ph;
// Find out how many characters for this row/col
if(settings->direction == TEXT_HORIZONTAL)
line_len = text_find_max_strlen(cols, text + ptr);
else
line_len = text_find_max_strlen(rows, text + ptr);
real_len = line_len;
// Skip spaces
int k = 0;
for(; k < line_len; k++) {
if(text[ptr+k] != ' ')
break;
real_len--;
}
// Find total size of this line and set newline start coords
switch(settings->direction) {
case TEXT_HORIZONTAL:
line_pw = real_len * charw - settings->cspacing;
my += charh * line;
// Horizontal alignment for this line
switch(settings->halign) {
case TEXT_CENTER:
mx += floor((xspace - line_pw) / 2.0f);
break;
case TEXT_RIGHT:
mx += (xspace - line_pw);
break;
default: break;
}
break;
case TEXT_VERTICAL:
line_ph = real_len * charh - settings->lspacing;
mx += charw * line;
// Vertical alignment for this line
switch(settings->valign) {
case TEXT_MIDDLE:
my += ceil((yspace - line_ph) / 2.0f);
break;
case TEXT_BOTTOM:
my += (yspace - line_ph);
break;
default: break;
}
break;
}
// Render characters
for(; k < line_len; k++) {
// Skip line endings.
if(text[ptr+k] == '\n')
continue;
// Render character
text_render_char(settings, mx + start_x, my + start_y, text[ptr+k]);
// Render to the right direction
if(settings->direction == TEXT_HORIZONTAL) {
mx += charw;
} else {
my += charh;
}
}
ptr += line_len;
line++;
}
}