ede/ede-desktop/DesktopIcon.cpp

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/*
* $Id$
*
* ede-desktop, desktop and icon manager
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* Part of Equinox Desktop Environment (EDE).
* Copyright (c) 2006-2008 EDE Authors.
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*
* This program is licensed under terms of the
* GNU General Public License version 2 or newer.
* See COPYING for details.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define FL_LIBRARY 1
#include <FL/Fl.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Shared_Image.H>
#include <FL/x.H>
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#include <edelib/Debug.h>
#include <edelib/IconLoader.h>
#include <edelib/MessageBox.h>
#include <edelib/Nls.h>
#include <edelib/Run.h>
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#include "ede-desktop.h"
#include "DesktopIcon.h"
#include "MovableIcon.h"
#include "IconProperties.h"
#include "Utils.h"
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/* minimal icon sizes */
#define ICON_SIZE_MIN_W 48
#define ICON_SIZE_MIN_H 48
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/* spaces around box in case of large/small icons */
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#define OFFSET_W 16
#define OFFSET_H 16
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/* label offset from icon y()+h(), so selection box can be drawn nicely */
#define LABEL_OFFSET 2
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EDELIB_NS_USING(String)
EDELIB_NS_USING(IconLoader)
EDELIB_NS_USING(MenuItem)
EDELIB_NS_USING(MenuButton)
EDELIB_NS_USING(ICON_SIZE_HUGE)
EDELIB_NS_USING(ICON_SIZE_TINY)
EDELIB_NS_USING(input)
EDELIB_NS_USING(run_async)
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static void open_cb(Fl_Widget*, void* d);
static void rename_cb(Fl_Widget*, void* d);
static void props_cb(Fl_Widget*, void* d);
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static MenuItem icon_menu[] = {
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{_("&Open"), 0, open_cb, 0},
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{_("&Rename"), 0, rename_cb, 0},
{_("&Delete"), 0, 0, 0, FL_MENU_DIVIDER},
{_("&Properties"), 0, props_cb, 0},
{0}
};
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static MenuItem icon_trash_menu[] = {
{_("&Open"), 0, 0},
{_("&Properties"), 0, 0, 0, FL_MENU_DIVIDER},
{_("&Empty"), 0, 0},
{0}
};
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static void open_cb(Fl_Widget*, void* d) {
DesktopIcon* di = (DesktopIcon*)d;
IconSettings* s = di->get_settings();
run_async("ede-launch %s", s->cmd.c_str());
}
static void rename_cb(Fl_Widget*, void* d) {
DesktopIcon* di = (DesktopIcon*)d;
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const char* new_name = input(_("New name"), di->label());
di->rename(new_name);
}
static void props_cb(Fl_Widget*, void* d) {
DesktopIcon* di = (DesktopIcon*)d;
show_icon_properties_dialog(di);
}
DesktopIcon::DesktopIcon(GlobalIconSettings* gs, IconSettings* is, int bg) :
Fl_Widget(is->x, is->y, ICON_SIZE_MIN_W, ICON_SIZE_MIN_H) {
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E_ASSERT(gs != NULL);
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lwidth = lheight = 0;
focus = false;
micon = NULL;
darker_img = NULL;
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gsettings = gs;
settings = is;
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label(settings->name.c_str());
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imenu = new MenuButton(0, 0, 0, 0);
if(settings->type == ICON_TRASH)
imenu->menu(icon_trash_menu);
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else {
icon_menu[2].image(IconLoader::get("edit-delete", ICON_SIZE_TINY));
imenu->menu(icon_menu);
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}
load_icon(ICON_FACE_ONE);
fix_position(x(), y());
/* use desktop color as color for icon background */
color(bg);
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align(FL_ALIGN_WRAP);
update_label_font_and_size();
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}
DesktopIcon::~DesktopIcon() {
E_DEBUG("DesktopIcon::~DesktopIcon()\n");
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delete settings;
delete micon;
delete darker_img;
delete imenu;
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}
void DesktopIcon::load_icon(int face) {
const char* ic = NULL;
if(face != ICON_FACE_TWO) {
if(!settings->icon.empty())
ic = settings->icon.c_str();
} else {
if(!settings->icon2.empty())
ic = settings->icon2.c_str();
}
if(!ic)
return;
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if(!IconLoader::set(this, ic, ICON_SIZE_HUGE)) {
E_DEBUG(E_STRLOC ": Unable to load %s icon\n", ic);
return;
}
/* fetch image object for sizes */
Fl_Image* img = image();
int img_w = img->w();
int img_h = img->h();
/* resize box if icon is larger */
if(img_w > ICON_SIZE_MIN_W || img_h > ICON_SIZE_MIN_H)
size(img_w + OFFSET_W, img_h + OFFSET_H);
/* darker icon version for selection */
delete darker_img;
darker_img = img->copy(img->w(), img->h());
darker_img->color_average(FL_BLUE, 0.6);
}
void DesktopIcon::update_label_font_and_size(void) {
labelfont(gsettings->label_font);
labelsize(gsettings->label_fontsize);
lwidth = gsettings->label_maxwidth;
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lheight= 0;
/*
* make sure current font size/type is set (internaly to fltk)
* so fl_measure() can correctly calculate label width and height
*/
int old = fl_font();
int old_sz = fl_size();
fl_font(labelfont(), labelsize());
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fl_measure(label(), lwidth, lheight, align());
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fl_font(old, old_sz);
lwidth += 12;
lheight += 5;
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}
void DesktopIcon::fix_position(int X, int Y) {
int dx, dy, dw, dh;
Desktop::instance()->area(dx, dy, dw, dh);
if(X < dx)
X = dx;
if(Y < dy)
Y = dy;
if(X + w() > dw)
X = (dx + dw) - w();
if(Y + h() > dh)
Y = (dy + dh) - h();
position(X, Y);
}
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void DesktopIcon::drag(int x, int y, bool apply) {
if(!micon) {
micon = new MovableIcon(this);
#if HAVE_SHAPE
/*
* This is used to calculate correct window startup/ending
* position since icon is placed in the middle of the box.
*
* Opposite, window (shaped) will have small but noticeable 'jump off' and
* dropped icon position will not be at the exact place where was dropped.
*/
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int ix = 0, iy = 0;
if(image()) {
ix = (w()/2) - (image()->w()/2);
iy = (h()/2) - (image()->h()/2);
}
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micon->position(micon->x() + ix, micon->y() + iy);
#endif
micon->show();
} else {
E_ASSERT(micon != NULL);
micon->position(x, y);
}
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if(apply) {
#if HAVE_SHAPE
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int ix = 0, iy = 0;
if(image()) {
ix = (w()/2) - (image()->w()/2);
iy = (h()/2) - (image()->h()/2);
}
fix_position(micon->x() - ix, micon->y() - iy);
#else
fix_position(micon->x(), micon->y());
#endif
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delete micon;
micon = NULL;
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}
}
/* used only in Desktop::move_selection */
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int DesktopIcon::drag_icon_x(void) {
if(!micon)
return x();
else
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return micon->x();
}
/* used only in Desktop::move_selection */
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int DesktopIcon::drag_icon_y(void) {
if(!micon)
return y();
else
return micon->y();
}
void DesktopIcon::rename(const char* str) {
if(!str ||(str[0] == '\0'))
return;
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if(settings->name == str)
return;
settings->name = str;
label(settings->name.c_str());
update_label_font_and_size();
redraw();
}
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const String& DesktopIcon::path(void) {
return settings->full_path;
}
int DesktopIcon::icon_type(void) {
return settings->type;
}
void DesktopIcon::use_icon1(void) {
load_icon(ICON_FACE_ONE);
fast_redraw();
}
void DesktopIcon::use_icon2(void) {
load_icon(ICON_FACE_TWO);
fast_redraw();
}
void DesktopIcon::fast_redraw(void) {
int wsz = w();
int xpos = x();
if(lwidth > w()) {
wsz = lwidth + 4;
xpos = x() - 4;
}
/* LABEL_OFFSET + 2 include selection box line height too; same for xpos */
parent()->damage(FL_DAMAGE_ALL, xpos, y(), wsz, h() + lheight + LABEL_OFFSET + 2);
}
void DesktopIcon::draw(void) {
// draw_box(FL_UP_BOX, FL_BLACK);
if(image() && (damage() & FL_DAMAGE_ALL)) {
Fl_Image* im = image();
/* center image in the box */
int ix = (w()/2) - (im->w()/2);
int iy = (h()/2) - (im->h()/2);
ix += x();
iy += y();
/* darker_img is always present if image() is present */
if(is_focused())
darker_img->draw(ix, iy);
else
im->draw(ix, iy);
E_DEBUG(E_STRLOC ": DesktopIcon icon redraw\n");
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}
if(gsettings->label_draw && (damage() & (FL_DAMAGE_ALL | EDAMAGE_CHILD_LABEL))) {
int X = x() + w()-(w()/2)-(lwidth/2);
int Y = y() + h() + LABEL_OFFSET;
Fl_Color old = fl_color();
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if(!gsettings->label_transparent) {
fl_color(gsettings->label_background);
fl_rectf(X, Y, lwidth, lheight);
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}
int old_font = fl_font();
int old_font_sz = fl_size();
/* draw with icon's font */
fl_font(labelfont(), labelsize());
/* pseudo-shadow */
fl_color(FL_BLACK);
fl_draw(label(), X+1, Y+1, lwidth, lheight, align(), 0, 0);
fl_color(gsettings->label_foreground);
fl_draw(label(), X, Y, lwidth, lheight, align(), 0, 0);
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/* restore old font */
fl_font(old_font, old_font_sz);
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if(is_focused()) {
/* draw focused box on our way so later this can be used to draw customised boxes */
fl_color(gsettings->label_foreground);
fl_line_style(FL_DOT);
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fl_push_matrix();
fl_begin_loop();
fl_vertex(X, Y);
fl_vertex(X + lwidth, Y);
fl_vertex(X + lwidth, Y + lheight);
fl_vertex(X, Y + lheight);
fl_vertex(X, Y);
fl_end_loop();
fl_pop_matrix();
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/* revert to default line style */
fl_line_style(0);
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}
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/* revert to old color whatever that be */
fl_color(old);
E_DEBUG(E_STRLOC ": DesktopIcon label redraw\n");
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}
}
int DesktopIcon::handle(int event) {
switch(event) {
case FL_FOCUS:
case FL_UNFOCUS:
case FL_ENTER:
case FL_LEAVE:
return 1;
/* We have to handle FL_MOVE too, if want to get only once FL_ENTER when entered or FL_LEAVE when leaved */
case FL_MOVE:
return 1;
case FL_PUSH:
if(Fl::event_button() == 3) {
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/* MenuItem::popup() by default does not call callbacks */
const MenuItem* m = imenu->menu()->popup(Fl::event_x(), Fl::event_y());
if(m && m->callback())
m->do_callback(0, this);
}
return 1;
case FL_RELEASE:
if(Fl::event_clicks() > 0)
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run_async("ede-launch %s", settings->cmd.c_str());
return 1;
case FL_DND_ENTER:
case FL_DND_DRAG:
case FL_DND_LEAVE:
return 1;
case FL_DND_RELEASE:
E_DEBUG(E_STRLOC ": FL_DND_RELEASE on icon\n");
return 1;
case FL_PASTE:
E_DEBUG(E_STRLOC ": FL_PASTE on icon with %s\n", Fl::event_text());
return 1;
default:
break;
}
return 0;
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}