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415#ifndef NK_CONSOLE_TEXTEDIT_H__
#define NK_CONSOLE_TEXTEDIT_H__
typedef struct nk_console_textedit_data {
nk_console_button_data button; // Inherited from button.
char* buffer;
int buffer_size;
nk_bool shift;
} nk_console_textedit_data;
#if defined(__cplusplus)
extern "C" {
#endif
/**
* Adds a textedit on-screen keyboard widget to the console given parent.
*
* @param parent The parent widget to add the textedit to.
* @param buffer The buffer to store the textedit data.
* @param buffer_size The size of the given buffer.
* @return The created textedit widget.
*/
NK_API nk_console* nk_console_textedit(nk_console* parent, const char* label, char* buffer, int buffer_size);
NK_API struct nk_rect nk_console_textedit_render(nk_console* console);
NK_API void nk_console_textedit_button_main_click(nk_console* button, void* user_data);
NK_API void nk_console_textedit_button_back_click(nk_console* button, void* user_data);
NK_API void nk_console_textedit_key_click(nk_console* key, void* user_data);
#if defined(__cplusplus)
}
#endif
#endif // NK_CONSOLE_TEXTEDIT_H__
#if defined(NK_CONSOLE_IMPLEMENTATION) && !defined(NK_CONSOLE_HEADER_ONLY)
#ifndef NK_CONSOLE_TEXTEDIT_IMPLEMENTATION_ONCE
#define NK_CONSOLE_TEXTEDIT_IMPLEMENTATION_ONCE
#if defined(__cplusplus)
extern "C" {
#endif
static void nk_console_textedit_free_children(nk_console* textedit, void* user_data) {
if (textedit == NULL) {
return;
}
NK_UNUSED(user_data);
nk_console_free_children(textedit);
}
/**
* Handle the click event for textedit's children items.
*/
NK_API void nk_console_textedit_button_back_click(nk_console* button, void* user_data) {
if (button == NULL) {
return;
}
NK_UNUSED(user_data);
// Make sure we're not going back to a row.
if (button->parent->type == NK_CONSOLE_ROW) {
button = button->parent;
}
// Invoke the back button behavior on the button.
nk_console_button_back(button, NULL);
// Clear out all the children for the textedit, after it finishes rendering.
nk_console_add_event(button->parent, NK_CONSOLE_EVENT_POST_RENDER_ONCE, &nk_console_textedit_free_children);
}
NK_API void nk_console_textedit_key_click(nk_console* key, void* user_data) {
NK_UNUSED(user_data);
if (key == NULL) {
return;
}
// Find the textedit widget, and make sure it's not the row.
nk_console* textedit = key->parent;
if (textedit->type == NK_CONSOLE_ROW) {
textedit = textedit->parent;
}
NK_ASSERT(textedit != NULL && textedit->type == NK_CONSOLE_TEXTEDIT);
// Get the textedit data.
nk_console_textedit_data* data = (nk_console_textedit_data*)textedit->data;
// Handle the key press
enum nk_symbol_type symbol = nk_console_button_get_symbol(key);
switch (symbol) {
// Shift
case NK_SYMBOL_TRIANGLE_UP:
case NK_SYMBOL_TRIANGLE_UP_OUTLINE: {
data->shift = !data->shift;
nk_console_button_set_symbol(key, symbol == NK_SYMBOL_TRIANGLE_UP ? NK_SYMBOL_TRIANGLE_UP_OUTLINE : NK_SYMBOL_TRIANGLE_UP);
// Replace all labels of the parent buttons with shifted characters.
// TODO: Clean up shifting the key labels so that it's more dynamic.
int textedit_children_size = (int)cvector_size(textedit->children);
for (int x = 0; x < textedit_children_size; ++x) {
nk_console* child = textedit->children[x];
if (child->type == NK_CONSOLE_ROW) {
int child_children_size = (int)cvector_size(child->children);
for (int i = 0; i < child_children_size; ++i) {
nk_console* activeButton = child->children[i];
if (activeButton->type == NK_CONSOLE_BUTTON) {
const char* label = activeButton->label;
if (label != NULL && nk_strlen(label) == 1) {
char old_char = label[0];
switch (old_char) {
case 'a': label = "A"; break;
case 'b': label = "B"; break;
case 'c': label = "C"; break;
case 'd': label = "D"; break;
case 'e': label = "E"; break;
case 'f': label = "F"; break;
case 'g': label = "G"; break;
case 'h': label = "H"; break;
case 'i': label = "I"; break;
case 'j': label = "J"; break;
case 'k': label = "K"; break;
case 'l': label = "L"; break;
case 'm': label = "M"; break;
case 'n': label = "N"; break;
case 'o': label = "O"; break;
case 'p': label = "P"; break;
case 'q': label = "Q"; break;
case 'r': label = "R"; break;
case 's': label = "S"; break;
case 't': label = "T"; break;
case 'u': label = "U"; break;
case 'v': label = "V"; break;
case 'w': label = "W"; break;
case 'x': label = "X"; break;
case 'y': label = "Y"; break;
case 'z': label = "Z"; break;
case 'A': label = "a"; break;
case 'B': label = "b"; break;
case 'C': label = "c"; break;
case 'D': label = "d"; break;
case 'E': label = "e"; break;
case 'F': label = "f"; break;
case 'G': label = "g"; break;
case 'H': label = "h"; break;
case 'I': label = "i"; break;
case 'J': label = "j"; break;
case 'K': label = "k"; break;
case 'L': label = "l"; break;
case 'M': label = "m"; break;
case 'N': label = "n"; break;
case 'O': label = "o"; break;
case 'P': label = "p"; break;
case 'Q': label = "q"; break;
case 'R': label = "r"; break;
case 'S': label = "s"; break;
case 'T': label = "t"; break;
case 'U': label = "u"; break;
case 'V': label = "v"; break;
case 'W': label = "w"; break;
case 'X': label = "x"; break;
case 'Y': label = "y"; break;
case 'Z': label = "z"; break;
// Symbols
case '>': label = "."; break;
case '.': label = ">"; break;
case '<': label = ","; break;
case ',': label = "<"; break;
// Numbers
case '1': label = "!"; break;
case '2': label = "@"; break;
case '3': label = "#"; break;
case '4': label = "$"; break;
case '5': label = "%"; break;
case '6': label = "^"; break;
case '7': label = "&"; break;
case '8': label = "*"; break;
case '9': label = "("; break;
case '0': label = ")"; break;
case '!': label = "1"; break;
case '@': label = "2"; break;
case '#': label = "3"; break;
case '$': label = "4"; break;
case '%': label = "5"; break;
case '^': label = "6"; break;
case '&': label = "7"; break;
case '*': label = "8"; break;
case '(': label = "9"; break;
case ')': label = "0"; break;
}
nk_console_set_label(activeButton, label, 1);
}
}
}
}
}
} break;
// Backspace
case NK_SYMBOL_TRIANGLE_LEFT: {
int len = nk_strlen(data->buffer);
if (len > 0) {
data->buffer[len - 1] = '\0';
nk_console_trigger_event(textedit, NK_CONSOLE_EVENT_CHANGED);
}
} break;
// Space
case NK_SYMBOL_RECT_SOLID: {
int len = nk_strlen(data->buffer);
if (len < data->buffer_size - 1) {
data->buffer[len] = ' ';
data->buffer[len + 1] = '\0';
nk_console_trigger_event(textedit, NK_CONSOLE_EVENT_CHANGED);
}
} break;
// Any key character
case NK_SYMBOL_NONE: {
// Add the character to the buffer.
int len = nk_strlen(data->buffer);
if (len < data->buffer_size - 1) {
data->buffer[len] = key->label[0];
data->buffer[len + 1] = '\0';
nk_console_trigger_event(textedit, NK_CONSOLE_EVENT_CHANGED);
}
} break;
default:
break;
}
}
/**
* Handle the click event for the main button for the textedit.
*
* @see nk_console_textedit
* @internal
*/
NK_API void nk_console_textedit_button_main_click(nk_console* button, void* user_data) {
NK_UNUSED(user_data);
if (button == NULL || button->data == NULL) {
return;
}
// Make sure there aren't any children to recreate the keyboard.
nk_console_free_children(button);
nk_console_textedit_data* data = (nk_console_textedit_data*)button->data;
nk_console* key;
nk_console_textedit_text(button);
// TODO: Add option for UTF-8 keys with nk_glyph.
// First row: 1 - 0
nk_console* row = nk_console_row_begin(button);
{
nk_console_button_onclick(row, data->shift ? "!" : "1", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "@" : "2", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "#" : "3", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "$" : "4", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "%" : "5", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "^" : "6", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "&" : "7", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "*" : "8", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "(" : "9", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? ")" : "0", &nk_console_textedit_key_click);
}
nk_console_row_end(row);
// Second row: Q - P
row = nk_console_row_begin(button);
{
nk_console_button_onclick(row, data->shift ? "Q" : "q", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "W" : "w", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "E" : "e", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "R" : "r", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "T" : "t", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "Y" : "y", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "U" : "u", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "I" : "i", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "O" : "o", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "P" : "p", &nk_console_textedit_key_click);
}
nk_console_row_end(row);
// Third row: A - L
row = nk_console_row_begin(button);
{
nk_console_button_onclick(row, data->shift ? "A" : "a", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "S" : "s", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "D" : "d", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "F" : "f", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "G" : "g", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "H" : "h", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "J" : "j", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "K" : "k", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "L" : "l", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? ">" : ".", &nk_console_textedit_key_click);
}
nk_console_row_end(row);
// Fourth row: Z - M
row = nk_console_row_begin(button);
{
key = nk_console_button_onclick(row, NULL, &nk_console_textedit_key_click);
if (data->shift) {
nk_console_button_set_symbol(key, NK_SYMBOL_TRIANGLE_UP);
}
else {
nk_console_button_set_symbol(key, NK_SYMBOL_TRIANGLE_UP_OUTLINE);
}
nk_console_button_onclick(row, data->shift ? "Z" : "z", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "X" : "x", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "C" : "c", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "V" : "v", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "B" : "b", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "N" : "n", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "M" : "m", &nk_console_textedit_key_click);
nk_console_button_onclick(row, data->shift ? "<" : ",", &nk_console_textedit_key_click);
key = nk_console_button_onclick(row, NULL, &nk_console_textedit_key_click); // Backspace
nk_console_button_set_symbol(key, NK_SYMBOL_TRIANGLE_LEFT);
}
nk_console_row_end(row);
// Fifth row: Space and Back
row = nk_console_row_begin(button);
{
// Space
key = nk_console_button_onclick(row, NULL, &nk_console_textedit_key_click); // Space
key->columns = 3;
nk_console_button_set_symbol(key, NK_SYMBOL_RECT_SOLID);
// Back
// TODO: textedit: Replace "Back" with a RETURN symbol?
key = nk_console_button_onclick(row, "Back", &nk_console_textedit_button_back_click);
key->columns = 1;
}
nk_console_row_end(row);
// Make the onscreen keyboard the active widget.
nk_console_set_active_parent(button);
}
NK_API nk_console* nk_console_textedit(nk_console* parent, const char* label, char* buffer, int buffer_size) {
// Create the widget data.
nk_console_textedit_data* data = (nk_console_textedit_data*)NK_CONSOLE_MALLOC(nk_handle_id(0), NULL, sizeof(nk_console_textedit_data));
nk_zero(data, sizeof(nk_console_textedit_data));
// Create the textedit widget.
nk_console* textedit = nk_console_label(parent, label);
textedit->type = NK_CONSOLE_TEXTEDIT;
textedit->selectable = nk_true;
data->buffer = buffer;
data->buffer_size = buffer_size;
textedit->columns = label != NULL ? 2 : 1;
textedit->render = nk_console_textedit_render;
textedit->data = data;
nk_console_add_event(textedit, NK_CONSOLE_EVENT_CLICKED, &nk_console_textedit_button_main_click);
return textedit;
}
NK_API struct nk_rect nk_console_textedit_render(nk_console* console) {
nk_console_textedit_data* data = (nk_console_textedit_data*)console->data;
if (data == NULL) {
return nk_rect(0, 0, 0, 0);
}
nk_console_layout_widget(console);
// Display the label
if (console->label != NULL && nk_strlen(console->label) > 0) {
nk_bool active = nk_console_is_active_widget(console);
if (!active) {
nk_widget_disable_begin(console->ctx);
}
nk_label(console->ctx, console->label, NK_TEXT_LEFT);
if (!active) {
nk_widget_disable_end(console->ctx);
}
}
// Display the mocked textedit button
int swap_columns = console->columns;
console->columns = 0; // We use 0 as w'ere not making a new row.
const char* swap_label = console->label;
int swap_label_length = console->label_length;
console->label = data->buffer;
console->label_length = console->label == NULL ? 0 : nk_strlen(console->label);
if (console->label_length > 10) {
console->label_length = 10;
}
struct nk_rect widget_bounds = nk_console_button_render(console);
// Restore the previous values for the textedit widget.
console->columns = swap_columns;
console->label = swap_label;
console->label_length = swap_label_length;
return widget_bounds;
}
#if defined(__cplusplus)
}
#endif
#endif // NK_CONSOLE_TEXTEDIT_IMPLEMENTATION_ONCE
#endif // NK_CONSOLE_IMPLEMENTATION