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Code Issues Releases Wiki Activity

Added multi line text input

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This commit is contained in:
Duncan Frost
2014-12-22 10:40:00 +00:00
parent 71c49a9591
commit f93aeb33c6
1 changed files with 68 additions and 22 deletions
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90
src/windows/text_input.c
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@@ -35,6 +35,8 @@
#define WW 250
#define WH 90
#define MAX_LINE_LENGTH 32
enum WINDOW_TEXT_INPUT_WIDGET_IDX {
WIDX_BACKGROUND,
WIDX_TITLE,
@@ -59,6 +61,7 @@ static void window_text_input_paint();
static void window_text_input_text(int key, rct_window* w);
static void window_text_input_update(rct_window* w);
static void window_text_input_close();
static void window_text_input_invalidate();
//0x9A3F7C
static void* window_text_input_events[] = {
@@ -87,7 +90,7 @@ static void* window_text_input_events[] = {
window_text_input_emptysub,
window_text_input_emptysub,
window_text_input_emptysub,
window_text_input_emptysub,
window_text_input_invalidate,
window_text_input_paint,
window_text_input_emptysub
};
@@ -103,14 +106,17 @@ void window_text_input_open(rct_window* call_w, int call_widget, rct_string_id t
{
_maxInputLength = maxLength;
int no_lines = (_maxInputLength - 1) / MAX_LINE_LENGTH;
int height = WH + no_lines * 10;
window_close_by_class(WC_TEXTINPUT);
// Window will be in the center of the screen
rct_window* w = window_create(
(RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, sint16) / 2) - WW / 2,
(RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, sint16) / 2) - WH / 2,
(RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, sint16) / 2) - height / 2,
WW,
WH,
height,
(uint32*)window_text_input_events,
WC_TEXTINPUT,
0
@@ -189,34 +195,60 @@ static void window_text_input_paint(){
int y = w->y + 25;
int no_lines = (_maxInputLength - 1) / MAX_LINE_LENGTH;
int font_height = 0;
int height = WH + no_lines * 10;
gfx_draw_string_centred(dpi, input_text_description, w->x + WW / 2, y, w->colours[1], 0);
y += 25;
gfx_fill_rect_inset(dpi, w->x + 10, y, w->x + WW - 10, y + 12, w->colours[1], 0x60);
gfx_fill_rect_inset(dpi, w->x + 10, y, w->x + WW - 10, y + 10 * (no_lines + 1) + 2, w->colours[1], 0x60);
y += 1;
gfx_draw_string(dpi, text_input, w->colours[1], w->x + 12, y);
// Make a copy of the string for measuring the width.
char temp_string[512] = { 0 };
memcpy(temp_string, text_input, gTextInputCursorPosition);
int x = w->x + 13 + gfx_get_string_width(temp_string);
char wrapped_string[512];
strcpy(wrapped_string, text_input);
int width = 6;
if ((uint32)gTextInputCursorPosition < strlen(text_input)){
// Make a new 1 character wide string for measuring the width
// of the character that the cursor is under.
temp_string[1] = '\0';
temp_string[0] = text_input[gTextInputCursorPosition];
width = max(gfx_get_string_width(temp_string) - 2, 4);
}
gfx_wrap_string(wrapped_string, WW - 24, &no_lines, &font_height);
// Draw the cursor
y += 9;
if (w->frame_no > 15){
gfx_fill_rect(dpi, x, y, x + width, y, w->colours[1]);
char* wrap_pointer = wrapped_string;
int char_count = 0;
uint8 cur_drawn = 0;
for (int line = 0; line <= no_lines; ++line){
gfx_draw_string(dpi, wrap_pointer, w->colours[1], w->x + 12, y);
int string_length = get_string_length(wrap_pointer);
if (!cur_drawn && (gTextInputCursorPosition <= char_count + string_length)){
// Make a copy of the string for measuring the width.
char temp_string[512] = { 0 };
memcpy(temp_string, wrap_pointer, gTextInputCursorPosition - char_count);
int cur_x = w->x + 13 + gfx_get_string_width(temp_string);
int width = 6;
if ((uint32)gTextInputCursorPosition < strlen(text_input)){
// Make a new 1 character wide string for measuring the width
// of the character that the cursor is under.
temp_string[1] = '\0';
temp_string[0] = text_input[gTextInputCursorPosition];
width = max(gfx_get_string_width(temp_string) - 2, 4);
}
if (w->frame_no > 15){
gfx_fill_rect(dpi, cur_x, y + 9, cur_x + width, y + 9, w->colours[1]);
}
cur_drawn++;
}
wrap_pointer += string_length + 1;
if (text_input[char_count + string_length] == ' ')char_count++;
char_count += string_length;
y += 10;
}
}
@@ -259,4 +291,18 @@ static void window_text_input_close(){
// Make sure that we take it out of the text input
// mode otherwise problems may occur.
osinterface_stop_text_input();
}
static void window_text_input_invalidate(){
int no_lines = (_maxInputLength - 1) / MAX_LINE_LENGTH;
int height = WH + no_lines * 10;
window_text_input_widgets[WIDX_OKAY].top = height - 21;
window_text_input_widgets[WIDX_OKAY].bottom = height - 10;
window_text_input_widgets[WIDX_CANCEL].top = height - 21;
window_text_input_widgets[WIDX_CANCEL].bottom = height - 10;
window_text_input_widgets[WIDX_BACKGROUND].bottom = height - 1;
}