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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#include "API/Display/font.h"
#include "API/Display/display.h"
#include "API/Display/keys.h"
#include "API/Core/System/system.h"
#include "API/Core/Resources/resource_manager.h"
#include "API/GUI/gui_manager.h"
#include "API/GUI/inputbox_stylebase.h"
#include "API/GUIStyleSilver/inputbox_silver.h"
#include "API/GUIStyleSilver/stylemanager_silver.h"
#include <cstring>
#pragma warning ( push, 1 )
#pragma warning ( disable: 4244 ) // conversion from 'int' to 'float', possible loss of data
/////////////////////////////////////////////////////////////////////////////
// Construction:
CL_InputBox_Silver::CL_InputBox_Silver(
CL_InputBox *inputbox,
CL_StyleManager_Silver *style)
:
CL_ComponentStyle(inputbox),
CL_InputBox_StyleBase(inputbox, style->get_resources(), "InputBox/font", 3)
{
font_disabled = new CL_Font("InputBox/font_disabled", style->get_resources());
if (font_disabled)
font_disabled->set_color( CL_Color::gray );
slot_paint = inputbox->sig_paint().connect(
this, &CL_InputBox_Silver::on_paint);
slot_activity = inputbox->sig_activity().connect(
this, &CL_InputBox_Silver::on_activity);
slot_get_preferred_size = inputbox->sig_get_preferred_size().connect(
this, &CL_InputBox_Silver::on_get_preferred_size);
}
CL_InputBox_Silver::~CL_InputBox_Silver()
{
delete font_disabled;
}
/////////////////////////////////////////////////////////////////////////////
// Operations:
void CL_InputBox_Silver::set_border_size(int size)
{
border_size = size;
// Override height for font-height
CL_Rect position = inputbox->get_position();
position.bottom = position.top + font->get_height() + border_size * 2;
inputbox->set_position(position);
}
/////////////////////////////////////////////////////////////////////////////
// Callbacks:
void CL_InputBox_Silver::on_paint()
{
bool has_focus = inputbox->is_enabled() && inputbox->has_focus();
CL_Rectf rect = inputbox->get_screen_rect();
int width = inputbox->get_width();
// Outline
if(has_focus)
{
// Fill
CL_Display::fill_rect(
CL_Rectf(rect.left + 1, rect.top + 1, rect.right - 1, rect.bottom - 1),
CL_Color(245, 250, 255));
// Main border
CL_Display::draw_rect(
rect,
CL_Color(90, 118, 149));
// Highlight
CL_Display::draw_rect(
CL_Rectf(rect.left - 1, rect.top - 1, rect.right + 1, rect.bottom + 1),
CL_Color(206, 220, 233));
}
else
{
// Fill
CL_Display::fill_rect(
CL_Rectf(rect.left + 1, rect.top + 1, rect.right - 1, rect.bottom - 1),
CL_Color::white);
// Main border
CL_Display::draw_rect(
rect,
CL_Color(128, 142, 159));
}
// For easy reference, put inputfield-text into local variable
std::string const & text = inputbox->get_text();
// Calculate offset for vertical centering
int vert_center = (inputbox->get_height () - font->get_height ()) / 2;
// Calculate scroll offset
int drawing_text_width = 0;
int draw_to = draw_from;
while (draw_to < text.length())
{
int w = get_chars_width( draw_to, draw_to );
if (drawing_text_width + w > width - border_size * 2)
break;
drawing_text_width += w;
draw_to ++;
}
// Display marked text, if any
if(has_focus)
{
if (inputbox->has_marked_text())
{
int start = inputbox->get_selection_start();
int end = start + inputbox->get_selection_length();
if (start < draw_from) start = draw_from;
if (end > draw_to ) end = draw_to;
int mark_x1 = get_chars_width( draw_from, start-1 );
int mark_x2 = get_chars_width( draw_from, end-1 );
CL_Display::fill_rect(
CL_Rect(
inputbox->get_screen_x()+border_size + mark_x1 - 1,
inputbox->get_screen_y() + vert_center,
inputbox->get_screen_x()+border_size + mark_x2,
inputbox->get_screen_y() + font->get_height() + vert_center),
CL_Color(204, 208, 232));
}
}
// Display text
int xx = inputbox->get_screen_x()+border_size;
int yy = inputbox->get_screen_y()+vert_center;
int draw_count = draw_to - draw_from;
if (draw_from >= 0 && draw_count > 0)
{
if(inputbox->is_enabled() == false)
{
if (inputbox->in_password_mode())
font_disabled->draw(xx, yy, std::string( draw_count, '*' ) );
else
font_disabled->draw(xx, yy, text.substr( draw_from, draw_count ) );
}
else
{
if (inputbox->in_password_mode())
font->draw(xx, yy, std::string( draw_count, '*' ) );
else
font->draw(xx, yy, text.substr( draw_from, draw_count ) );
}
}
// Show blinking cursor
if(has_focus)
{
if (show_cursor)
{
int cursor_pos = inputbox->get_cursor_position();
int cursor_x = border_size + get_chars_width( draw_from, cursor_pos - 1 );
int xx = inputbox->get_screen_x() + cursor_x;
int y1 = inputbox->get_screen_y() + vert_center;
int y2 = inputbox->get_screen_y() + vert_center + font->get_height() - 1;
CL_Display::draw_line(
xx-1, y1, xx-1, y2,
CL_Color::black );
CL_Display::draw_line(
xx-2, y1-1, xx+1, y1-1,
CL_Color::black );
CL_Display::draw_line(
xx-2, y2, xx+1, y2,
CL_Color::black );
//char buf[400];
//sprintf( buf, "%d", cursor_pos );
//font->draw( CL_Rect( xx, y1-15, xx+100, y1 ), buf );
}
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_Silver::on_activity()
{
cursor_blink_time = CL_System::get_time() + 400;
show_cursor = true;
}
void CL_InputBox_Silver::on_get_preferred_size(CL_Size &size)
{
border_size = 3;
// Override height for font-height
CL_Rect position = inputbox->get_position();
position.bottom = position.top + font->get_height() + border_size * 2;
size.width = position.get_width();
size.height = position.get_height();
}
#pragma warning ( pop )
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