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ede/etimedate/EDE_Calendar.cpp
Sanel Zukan fcf808bd82 Now did a real chmod -x.
2007-03-15 01:06:18 +00:00

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/***************************************************************************
Fl_Calendar.cpp - description
-------------------
begin : Sun Aug 18 2002
copyright : (C) 2002 by Alexey Parshin
email : alexeyp@m7.tts-sf.com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
//
// Ported to FLTK2 by Vedran Ljubovic <vljubovic@smartnet.ba>, 2005.
#include "EDE_Calendar.h"
// For NLS stuff
//#include "../core/fl_internal.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <fltk/events.h>
#include <fltk/Rectangle.h>
#include <fltk/draw.h>
#include <fltk/events.h>
#include "../edelib2/NLS.h"
using namespace fltk;
// FIXME: dont do static
static EDE_Calendar* thecalendar;
// Constants
static const char *weekDayLabels[7] = {
"Su","Mo","Tu","We","Th","Fr","Sa"
};
static const char *monthDayLabels[31] = {
"1","2","3","4","5","6","7","8","9","10",
"11","12","13","14","15","16","17","18","19","20",
"21","22","23","24","25","26","27","28","29","30",
"31"
};
static const char *switchLabels[4] = {
"@-1<<","@-1<","@-1>","@-1>>"
};
static const int monthChanges[4] = {
-12,-1,1,12
};
// TODO: read this from locale
const bool weekStartsOnMonday = false;
// Callback function for day buttons
void EDE_Calendar::cbDayButtonClicked(Widget *button, void *param) {
if (event_clicks() == 1 || event_key() == ReturnKey) {
// NOTE: this used to read:
// button->parent->dayButtonChanged...
// but it didn't work! FIXME
thecalendar->dayButtonChanged((unsigned)param);
} else {
thecalendar->dayButtonClicked((unsigned)param);
}
}
// Callback function for switch buttons
void EDE_Calendar::cbSwitchButtonClicked(Widget *button, void *param) {
thecalendar->switchButtonClicked((int)param);
}
// Real callback functions:
void EDE_Calendar::dayButtonClicked(unsigned cday) {
if (cday < 1 || cday > 31) return;
short year, month, day;
m_activeDate.decode_date(&year,&month,&day);
Fl_Date_Time::encode_date((double&)m_activeDate,year,month,cday);
redraw();
// do_callback(); // callback only on changing "today" date
}
void EDE_Calendar::dayButtonChanged(unsigned cday) {
if (cday < 1 || cday > 31) return;
short year, month, day;
m_todayDate.decode_date(&year,&month,&day);
m_activeDate.decode_date(&year,&month,&day);
Fl_Date_Time::encode_date((double&)m_todayDate,year,month,cday);
redraw();
do_callback();
}
void EDE_Calendar::switchButtonClicked(int monthChange) {
short year, month, day;
m_activeDate.decode_date(&year,&month,&day);
month += monthChange;
if (month < 1) {
month += 12;
year--;
}
if (month > 12) {
month -= 12;
year++;
}
// Fl_Date_Time newDate(year,month,day);
// date(newDate);
Fl_Date_Time::encode_date((double&)m_activeDate,year,month,day);
redraw();
// do_callback();
}
// This is stuff for NamedStyle - still needed?
static void revert(Style* s) {
s->color_ = GRAY75;
s->buttoncolor_ = GRAY75;
s->box_ = FLAT_BOX;
s->buttonbox_ = THIN_UP_BOX;
s->textfont_ = HELVETICA_BOLD;
}
static NamedStyle style("Calendar", revert, &EDE_Calendar::default_style);
NamedStyle* EDE_Calendar::default_style = &::style;
// Constructor
EDE_Calendar::EDE_Calendar(int x,int y,int w,int h,const char *lbl)
: Group(2,2,w-2,h-2,lbl) {
thecalendar = this;
m_globalx = x; m_globaly = y;
style(default_style);
unsigned i;
// Header box
m_headerBox = new Group(x,y,w,32);
m_monthNameBox = new InvisibleBox(x,y,w,16);
m_monthNameBox->box(NO_BOX);
// NLS stuff - FIXME this can't work because gettext needs literals inside _()
for (i=0; i<7;i++) weekDayLabels[i]=_(weekDayLabels[i]);
// Weekday headers
for (i = 0; i < 7; i++) {
m_dayNameBoxes[i] = new InvisibleBox(x+i*16,y+16,16,16,weekDayLabels[i]);
}
m_headerBox->end();
// Day buttons, correct positions are set by resize()
m_buttonBox = new Group(x,y+32,w,64);
m_buttonBox->box(FLAT_BOX);
for (i = 0; i < 31; i++) {
Button *btn = new Button(0,0,16,16,monthDayLabels[i]);
m_dayButtons[i] = btn;
btn->callback(EDE_Calendar::cbDayButtonClicked, (void *)(i+1));
}
m_buttonBox->end();
// Switch buttons, correct positions are set by resize()
for (i = 0; i < 4; i++) {
m_switchButtons[i] = new Button(x,y,16,16,switchLabels[i]);
m_switchButtons[i]->callback(EDE_Calendar::cbSwitchButtonClicked, (void *)monthChanges[i]);
m_switchButtons[i]->labeltype(SYMBOL_LABEL);
}
end();
date(Fl_Date_Time::Now());
}
/*
// New style ctor
Fl_Calendar::Fl_Calendar(const char* l,int layout_size,Align layout_al,int label_w)
: Group (l,layout_size,layout_al,label_w)
{
ctor_init(0,0,w(),h());
}*/
void EDE_Calendar::layout() {
int xx = m_globalx, yy = m_globaly; // in FLTK2 positions are absolute, not relative
int ww = w(), hh = h();
Rectangle* rect = new Rectangle(xx,yy,ww,hh);
box()->inset(*rect);
unsigned i;
// one daybox = boxh*boxw is unit of size
int boxh = hh / 10;
int boxw = ww / 7;
// rounding dimensions to a whole number of boxes
ww = boxw * 7;
hh = hh / boxh * boxh; // why not boxh * 10 ?
// center horizontally inside this space
xx = xx + (w()-ww)/2+1;
// if(xx<box()->dx()) xx=box()->dx(); //TODO: dx() is no longer available
// resize header
m_headerBox->resize(xx, yy, ww, boxh*2+2);
m_monthNameBox->resize(xx, yy, ww, boxh); // month name is actually larger
// resize column titles (Su, Mo, Tu...)
for (i=0; i < 7; i++) {
m_dayNameBoxes[i]->resize(boxw*i + xx, boxh + yy+2, boxw, boxh); // why +2 ?
}
// compute the month start date
short year, month, day;
if ((double)m_todayDate < 1) m_todayDate = Fl_Date_Time::Now();
if ((double)m_activeDate < 1) m_activeDate = m_todayDate;
m_activeDate.decode_date(&year,&month,&day);
Fl_Date_Time monthDate(year,month,1);
// create month name label
char yearstr[4];
snprintf(yearstr,4,"%d",year);
strncpy(m_headerLabel, monthDate.month_name(), 13);
strcat(m_headerLabel, ", ");
strcat(m_headerLabel, yearstr);
m_monthNameBox->label(m_headerLabel);
// resize day buttons
int topOffset = boxh*2 + yy+2;
m_buttonBox->resize(xx, topOffset, boxw*7, boxh*6); // background
int dayOffset = monthDate.day_of_week()-1;
int daysInMonth = monthDate.days_in_month();
for (i = 0; i < 31; i++) {
Button *btn = m_dayButtons[i];
btn->resize(dayOffset*boxw + xx, topOffset, boxw, boxh); // 32 = header; bh = daynameboxes
if ((int)i < daysInMonth) {
dayOffset++;
if (dayOffset > 6) {
dayOffset = 0;
topOffset += boxh;
}
btn->show();
}
else btn->hide();
}
int sby = m_buttonBox->y() + m_buttonBox->h();
for (i = 0; i < 2; i++)
m_switchButtons[i]->resize(i*boxw + xx, sby, boxw, boxh);
int x1 = ww - boxw * 2;
for (i = 2; i < 4; i++) {
m_switchButtons[i]->resize((i-2)*boxw + x1 + xx, sby, boxw, boxh);
}
//Clear layout flags
Widget::layout();
}
void EDE_Calendar::draw() {
// Note - Fl_Calendar has fixed colors because themes could make it ugly or unreadable
// TODO: Improve this!
// Color btn_color = color_average(buttoncolor(), WHITE, .4f);
//Color btn_color_hl = color_average(buttoncolor(), GRAY75, .5f);
//Color btn_color = lerp(buttoncolor(), WHITE, .4f);
Color btn_color = fltk::color(255,255,204); // light yellowish grey a la paper - don't remove fltk:: !
Color btn_color_hl = WHITE;
Color label_color = BLACK;
Color day_color = lerp(BLUE, GRAY85, .8f);
Color day_color_wknd = lerp(BLUE, WHITE, .9f); // light reddish gray
unsigned i;
short year, month, day;
m_activeDate.decode_date(&year,&month,&day);
short activeindex = day-1;
short tyear, tmonth, tday;
m_todayDate.decode_date(&tyear,&tmonth,&tday);
short todayindex = tday-1;
if (tyear != year || tmonth != month) todayindex=-1;
for (i = 0; i < 31; i++) {
Button *btn = m_dayButtons[i];
btn->box(THIN_UP_BOX);
btn->focusbox(DOTTED_FRAME);
btn->color(btn_color);
// btn->highlight_color(btn_color_hov);
btn->labelfont(labelfont());
btn->labelcolor(label_color);
btn->labelsize(labelsize());
if((int)i==activeindex) {
btn->box(FLAT_BOX);
btn->color(btn_color_hl);
}
if((int)i==todayindex) {
//btn->box(BORDER_FRAME);
// TODO: why is this rectangle drawn behind button?
// setcolor((Color)RED);
// drawline(btn->x(),btn->y(),btn->x(),btn->y()+btn->h());
// drawline(btn->x(),btn->y()+btn->h(),btn->x()+btn->w(),btn->y()+btn->h());
// drawline(btn->x()+btn->w(),btn->y()+btn->h(),btn->x()+btn->w(),btn->y());
// drawline(btn->x()+btn->w(),btn->y(),btn->x(),btn->y());
btn->focusbox(BORDER_FRAME);
// How do I make a red frame? apparently not possible
// btn->textcolor(RED);
focus(btn);
}
}
for (i = 0; i < 4; i++) {
m_switchButtons[i]->box(FLAT_BOX);
m_switchButtons[i]->color(WHITE);
m_switchButtons[i]->labelcolor(BLACK);
m_switchButtons[i]->highlight_color(GRAY75);
m_switchButtons[i]->labelsize(labelsize());
}
for (i=0; i < 7; i++) {
m_dayNameBoxes[i]->box(buttonbox());
m_dayNameBoxes[i]->color(day_color);
m_dayNameBoxes[i]->labelcolor(label_color);
m_dayNameBoxes[i]->labelsize(labelsize());
if(i==0 || i==6)
m_dayNameBoxes[i]->color(day_color_wknd);
// m_dayNameBoxes[i]->labelcolor(RED);
}
m_monthNameBox->labelfont(textfont());
m_monthNameBox->labelsize(textsize());
m_monthNameBox->labelcolor(textcolor());
// m_buttonBox->color(darker(buttoncolor()));
m_buttonBox->color(lerp(buttoncolor(),BLACK,.67f));
Group::draw();
}
void EDE_Calendar::measure(int& ww,int& hh) const {
ww = (w() / 7) * 7;
hh = (h() / 10) * 10;
}
void EDE_Calendar::date(Fl_Date_Time dt) {
m_todayDate = dt;
m_activeDate = dt;
short year, month, day;
m_todayDate.decode_date(&year,&month,&day);
focus(m_dayButtons[day-1]);
relayout();
redraw();
}
Fl_Date_Time EDE_Calendar::date() const {
short year, month, day;
m_todayDate.decode_date(&year,&month,&day);
return Fl_Date_Time(year, month, day);
}
//------------------------------------------------------------------------------------------------------
/* Fl_Popup_Calendar - we lack Fl_Popup_Window to make this work... maybe later
static void popup_revert(Style* s)
{
s->color = GRAY75;
s->buttoncolor = GRAY75;
s->box = BORDER_BOX;
s->buttonbox = THIN_UP_BOX;
s->font = HELVETICA_BOLD;
}
static NamedStyle popup_style("Popup_Calendar", popup_revert, &Fl_Popup_Calendar::default_style);
NamedStyle* Fl_Popup_Calendar::default_style = &::popup_style;
void cb_clicked(Widget *w, void *d) {
Window *win = w->window();
if(win) {
win->set_value();
win->hide();
}
Fl::exit_modal(); //Just in case :)
}
Fl_Popup_Calendar::Fl_Popup_Calendar(Widget *dateControl)
: Fl_Popup_Window(150,150,"Calendar")
{
style(default_style);
m_dateControl = dateControl;
m_calendar = new Fl_Calendar(0,0,w(),h());
m_calendar->callback(cb_clicked);
m_calendar->box(NO_BOX);
m_calendar->copy_style(style());
end();
}
void Fl_Popup_Calendar::draw()
{
m_calendar->copy_style(style());
Fl_Popup_Window::draw();
}
void Fl_Popup_Calendar::layout() {
m_calendar->resize(box()->dx(),box()->dy(),w()-box()->dw(),h()-box()->dh());
m_calendar->layout();
Fl_Popup_Window::layout();
}
bool Fl_Popup_Calendar::popup() {
if (m_dateControl) {
int width = m_dateControl->w();
if (width < 175) width = 175;
int X=0, Y=0;
for(Widget* w = m_dateControl; w; w = w->parent()) {
X += w->x();
Y += w->y();
}
int height = 160;
m_calendar->size(width,height);
m_calendar->measure(width,height);
resize(X, Y+m_dateControl->h()-1, width+box()->dw(), height+box()->dh());
}
return Fl_Popup_Window::show_popup();
}
bool Fl_Popup_Calendar::popup(Widget *dateControl, int X, int Y, int W, int H) {
if(dateControl) {
int width = (W>0) ? W : dateControl->w();
if (width < 175) width = 175;
int height = (H>0) ? H : 175;
if (height < 175) height = 175;
for(Widget* w = m_dateControl; w; w = w->parent()) {
X += w->x();
Y += w->y();
}
resize(X, Y, width, height);
}
return Fl_Popup_Window::show_popup();
}
int Fl_Popup_Calendar::handle(int event) {
int rc = Fl_Popup_Window::handle(event);
if (rc) return rc;
return m_calendar->handle(event);
}*/
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