ede/eiconman/DesktopIcon.cpp

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/*
* $Id$
*
* Eiconman, desktop and icon manager
* Part of Equinox Desktop Environment (EDE).
* Copyright (c) 2000-2007 EDE Authors.
*
* This program is licensed under terms of the
* GNU General Public License version 2 or newer.
* See COPYING for details.
*/
#include "DesktopIcon.h"
#include "eiconman.h"
#include "Utils.h"
#include <FL/Fl.h>
#include <FL/fl_draw.h>
#include <FL/Fl_Shared_Image.h>
#include <FL/Fl_Menu_Button.h>
#include <FL/x.h>
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#include <edelib/Debug.h>
#include <edelib/IconTheme.h>
#include <edelib/MessageBox.h>
#include <edelib/Nls.h>
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#define USE_SHAPE 1
#ifdef USE_SHAPE
#include <X11/extensions/shape.h>
#endif
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// minimal icon size
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#define ICONSIZE 48
// spaces around box in case of large/small icons
#define OFFSET_W 16
#define OFFSET_H 16
// label offset from icon y()+h(), so selection box can be drawn nicely
#define LABEL_OFFSET 2
void rename_cb(Fl_Widget*, void* d);
Fl_Menu_Item icon_menu[] = {
{_(" &Open "), 0, 0},
{_(" &Rename "), 0, rename_cb, 0},
{_(" &Delete "), 0, 0, 0, FL_MENU_DIVIDER},
{_(" &Properties "), 0, 0},
{0}
};
Fl_Menu_Item icon_trash_menu[] = {
{_(" &Open "), 0, 0},
{_(" &Properties "), 0, 0, 0, FL_MENU_DIVIDER},
{_(" &Empty "), 0, 0},
{0}
};
void rename_cb(Fl_Widget*, void* d) {
DesktopIcon* di = (DesktopIcon*)d;
EASSERT(di != NULL);
const char* new_name = edelib::input(_("New name"), di->label());
if(!new_name)
return;
if(new_name[0] == '\0')
return;
di->rename(new_name);
}
DesktopIcon::DesktopIcon(GlobalIconSettings* gs, IconSettings* is, int bg) :
Fl_Widget(is->x, is->y, ICONSIZE, ICONSIZE) {
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EASSERT(gs != NULL);
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lwidth = lheight = 0;
focus = false;
micon = NULL;
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/*
* GlobalIconSettings is shared from desktop so we only
* reference it. On other hand IconSettings is not shared
* and we must construct a copy from given parameter
*/
globals = gs;
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settings = new IconSettings;
settings->name = is->name;
settings->cmd = is->cmd;
settings->icon = is->icon;
settings->type = is->type;
settings->key_name= is->key_name;
settings->full_path = is->full_path;
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// x,y are not needed since x(), y() are filled with it
// setting fonts is TODO :P
#if 0
Fl::set_font((Fl_Font)20, "-windows-*-medium-r-*-*-14-*-*-*-*-*-*-*");
labelfont((Fl_Font)20);
#endif
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label(settings->name.c_str());
imenu = new Fl_Menu_Button(0, 0, 0, 0);
if(settings->type == ICON_TRASH)
imenu->menu(icon_trash_menu);
else
imenu->menu(icon_menu);
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if(!settings->icon.empty()) {
const char* nn = settings->icon.c_str();
//edelib::String ipath = edelib::IconTheme::get(nn, edelib::ICON_SIZE_MEDIUM);
edelib::String ipath = edelib::IconTheme::get(nn, edelib::ICON_SIZE_HUGE);
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if(!ipath.empty()) {
Fl_Image* img = Fl_Shared_Image::get(ipath.c_str());
if(img) {
int img_w = img->w();
int img_h = img->h();
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// resize box if icon is larger
if(img_w > ICONSIZE || img_h > ICONSIZE)
size(img_w + OFFSET_W, img_h + OFFSET_H);
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image(img);
} else
EDEBUG(ESTRLOC ": Unable to load %s\n", ipath.c_str());
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} else
EDEBUG(ESTRLOC ": Got empty icon name ?!?\n");
}
fix_position(x(), y());
//Use desktop color as color for icon background
color(bg);
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align(FL_ALIGN_WRAP);
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update_label_size();
}
DesktopIcon::~DesktopIcon() {
EDEBUG("DesktopIcon::~DesktopIcon()\n");
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if(settings)
delete settings;
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if(micon)
delete micon;
delete imenu;
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}
void DesktopIcon::update_label_size(void) {
lwidth = globals->label_maxwidth;
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 USE_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.
*/
int ix, iy;
ix = 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 {
EASSERT(micon != NULL);
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micon->position(x, y);
}
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if(apply) {
#if USE_SHAPE
int ix, iy;
ix = 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
int DesktopIcon::drag_icon_x(void) {
if(!micon)
return x();
else
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return micon->x();
}
// Used only in Desktop::move_selection
int DesktopIcon::drag_icon_y(void) {
if(!micon)
return y();
else
return micon->y();
}
void DesktopIcon::rename(const char* str) {
if(!str)
return;
if(settings->name == str)
return;
settings->name = str;
label(settings->name.c_str());
update_label_size();
redraw();
}
const edelib::String& DesktopIcon::path(void) {
return settings->full_path;
}
void DesktopIcon::fast_redraw(void) {
EASSERT(parent() != NULL && "Impossible !");
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();
im->draw(ix, iy);
EDEBUG(ESTRLOC ": DesktopIcon icon redraw\n");
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}
if(globals->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(!globals->label_transparent) {
fl_color(globals->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(globals->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(globals->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);
EDEBUG(ESTRLOC ": 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) {
// Fl_Menu_Item::popup() by default does not call callbacks
const Fl_Menu_Item* 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)
EDEBUG(ESTRLOC ": EXECUTE: %s\n", settings->cmd.c_str());
return 1;
case FL_DND_ENTER:
case FL_DND_DRAG:
case FL_DND_LEAVE:
return 1;
case FL_DND_RELEASE:
EDEBUG(ESTRLOC ": FL_DND_RELEASE on icon\n");
return 1;
case FL_PASTE:
EDEBUG(ESTRLOC ": FL_PASTE on icon with %s\n", Fl::event_text());
return 1;
default:
break;
}
return 0;
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}
MovableIcon::MovableIcon(DesktopIcon* ic) : Fl_Window(ic->x(), ic->y(), ic->w(), ic->h()), icon(ic), mask(0) {
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EASSERT(icon != NULL);
set_override();
color(ic->color());
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begin();
/*
* Force box be same width/height as icon so it
* can fit inside masked window.
*/
#ifdef USE_SHAPE
Fl_Image* img = ic->icon_image();
if(img)
icon_box = new Fl_Box(0, 0, img->w(), img->h());
else
icon_box = new Fl_Box(0, 0, w(), h());
#else
icon_box = new Fl_Box(0, 0, w(), h());
#endif
icon_box->image(ic->icon_image());
end();
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}
MovableIcon::~MovableIcon() {
if(mask)
XFreePixmap(fl_display, mask);
}
void MovableIcon::show(void) {
if(!shown())
Fl_X::make_xid(this);
#ifdef USE_SHAPE
if(icon->icon_image()) {
mask = create_mask(icon->icon_image());
if(mask)
XShapeCombineMask(fl_display, fl_xid(this), ShapeBounding, 0, 0, mask, ShapeSet);
}
#endif
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}