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