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/*
$Id: inputbox_default.cpp,v 1.45 2002/01/16 19:02:12 sphair Exp $
ClanGUI, copyrights by various people. Have a look in the CREDITS file.
This sourcecode is distributed using the Library GNU Public Licence,
version 2 or (at your option) any later version. Please read LICENSE
for details.
*/
#include "precomp.h"
#include "API/Display/Font/font.h"
#include "API/Core/System/system.h"
#include "API/Core/Resources/resource_manager.h"
#include "API/GUI/gui_manager.h"
#include "inputbox_default.h"
#define BORDER_SIZE 3
CL_InputBox_Default::CL_InputBox_Default(
CL_InputBox *inputbox,
CL_StyleManager_Default *style)
: CL_ComponentStyle(inputbox), inputbox(inputbox)
{
this->style = style;
resources = style->get_resources();
font = CL_Font::load("InputBox/font", resources);
font_disabled = CL_Font::load("InputBox/font_disabled", resources);
CL_Rect position = inputbox->get_position();
position.y2 = position.y1 + font->get_height() + 5;
inputbox->set_position(position);
show_cursor = false;
character_offset = 0;
cursor_blink_time = CL_System::get_time();
slot_paint = inputbox->sig_paint().connect(
this, &CL_InputBox_Default::on_paint);
slot_activity = inputbox->sig_activity().connect(
this, &CL_InputBox_Default::on_activity);
}
CL_InputBox_Default::~CL_InputBox_Default()
{
delete font;
delete font_disabled;
}
void CL_InputBox_Default::on_paint()
{
int width = inputbox->get_width();
int height = inputbox->get_height();
if(inputbox->is_enabled() == false || inputbox->has_focus() == false)
{
// Fill
style->fill_rect(1, 1, width - 1, height - 1, GUICOLOR_WHITE);
// Outline
style->draw_rect(0, 0, width, height, GUICOLOR_DARK_OUTLINE);
}
else
{
// Fill
style->fill_rect(2, 2, width - 2, height - 2, GUICOLOR_WHITE);
// Outline
style->draw_rect(0, 0, width, height, GUICOLOR_DARK_OUTLINE);
// Shade box
style->draw_box(1, 1, width - 1, height - 1, GUICOLOR_DARKER_SHADE, GUICOLOR_MEDIUM_SHADE);
}
// For easy reference, put inputfield-text into local variable
const char *text = inputbox->get_text().c_str();
// Calculate scroll offset
int character_offset = 0;
int pixel_offset = 0;
int text_width = (int)font->get_text_width(text);
if (text_width > width - BORDER_SIZE * 2)
{
while (
text_width >= width - BORDER_SIZE * 2 &&
character_offset + 1 < inputbox->get_cursor_position())
{
int w = font->get_char_width(text[character_offset]);
character_offset++;
pixel_offset += w;
text_width -= w;
}
}
// Display marked text, if any
if(inputbox->has_focus())
{
if (inputbox->has_marked_text())
{
int start = inputbox->get_selection_start();
int end = start + inputbox->get_selection_length();
int mark_x1 = 0, mark_x2 = 0;
int i;
for(i = 0; i < start; i++)
mark_x1 += font->get_char_width(text[i]);
for(i = start; i < end; i++)
mark_x2 += font->get_char_width(text[i]);
style->fill_rect(
BORDER_SIZE + mark_x1 - 1,
BORDER_SIZE - 1,
BORDER_SIZE + mark_x1 + mark_x2,
BORDER_SIZE + font->get_height(),
GUICOLOR_SELECTION);
}
}
// Display text
if(inputbox->is_enabled() == false)
font_disabled->print_left(BORDER_SIZE, 2, &text[character_offset]);
else
font->print_left(BORDER_SIZE, 2, &text[character_offset]);
// Show blinking cursor
if(inputbox->has_focus() && inputbox->is_enabled())
{
if (show_cursor)
{
int cursor_x = BORDER_SIZE - pixel_offset;
for(int i = 0; i < inputbox->get_cursor_position(); i++)
cursor_x += font->get_char_width(text[i]);
style->draw_line(cursor_x, BORDER_SIZE - 1, cursor_x, BORDER_SIZE + font->get_height() - 1, GUICOLOR_CARET);
}
unsigned int cur_time = CL_System::get_time();
if (cur_time >= cursor_blink_time)
{
cursor_blink_time = cur_time + 400;
show_cursor = !show_cursor;
}
}
}
void CL_InputBox_Default::on_activity()
{
cursor_blink_time = CL_System::get_time() + 400;
show_cursor = true;
}
int CL_InputBox_Default::get_mouse_position(int x, int y)
{
int delta_x = x - BORDER_SIZE;
unsigned int i;
for (i = 0; i < inputbox->get_text().size(); i++)
{
char buf[2];
buf[0] = inputbox->get_text()[i];
buf[1] = 0;
int w = font->get_text_width(buf);
delta_x -= w;
if (delta_x <= -w/2)
{
return i + character_offset;
}
}
return i;
}
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