#include "iconbar.h" #include "util.h" static E_Config_Base_Type *cf_iconbar = NULL; static E_Config_Base_Type *cf_iconbar_icon = NULL; /* internal func (iconbar use only) prototypes */ static void ib_reload_timeout(int val, void *data); static void ib_timeout(int val, void *data); static void ib_bits_show(void *data); static void ib_bits_hide(void *data); static void ib_bits_move(void *data, double x, double y); static void ib_bits_resize(void *data, double w, double h); static void ib_bits_raise(void *data); static void ib_bits_lower(void *data); static void ib_bits_set_layer(void *data, int l); static void ib_bits_set_clip(void *data, Evas_Object clip); static void ib_bits_set_color_class(void *data, char *cc, int r, int g, int b, int a); static void ib_bits_get_min_size(void *data, double *w, double *h); static void ib_bits_get_max_size(void *data, double *w, double *h); static void ib_mouse_in(void *data, Evas _e, Evas_Object _o, int _b, int _x, int _y); static void ib_mouse_out(void *data, Evas _e, Evas_Object _o, int _b, int _x, int _y); static void ib_mouse_down(void *data, Evas _e, Evas_Object _o, int _b, int _x, int _y); static void ib_mouse_up(void *data, Evas _e, Evas_Object _o, int _b, int _x, int _y); /* NB: comments here for illustration & helping people understand E's code */ /* This is a start of the comments. if you feel they are not quite good */ /* as you figure things out and if you think they could be more helpful */ /* please feel free to add to them to make them easier to read and be more */ /* helpful. */ /** * e_iconbar_init - Init function * * Initialises the iconbar system */ void e_iconbar_init() { /* we set up config structure and types so the config system can just */ /* read a db and dump it right into memory - including lists of stuff */ /* a new config type - an iconbar icon */ cf_iconbar_icon = e_config_type_new(); /* this is a member of the iconbar icon struct we want the config system */ /* to get from the db for us. the key is "exec". the type is a string */ /* the struct memebr is exec. the default value is "". see the config.h */ /* header for more info */ E_CONFIG_NODE(cf_iconbar_icon, "exec", E_CFG_TYPE_STR, NULL, E_Iconbar_Icon, exec, 0, 0, ""); /* this memebr will be replaced by the relative key path in the db as a */ /* string */ E_CONFIG_NODE(cf_iconbar_icon, "image", E_CFG_TYPE_KEY, NULL, E_Iconbar_Icon, image_path, 0, 0, ""); /* a new config type - in this case the iconbar istelf. the only thing we */ /* want the config system to do it fill it with iconbar icon members in */ /* the list */ cf_iconbar = e_config_type_new(); E_CONFIG_NODE(cf_iconbar, "icons", E_CFG_TYPE_LIST, cf_iconbar_icon, E_Iconbar, icons, 0, 0, NULL); } /** * e_iconbar_new - Iconbar constructor * @v: The view for which an iconbar is to be constructed */ E_Iconbar * e_iconbar_new(E_View *v) { Evas_List l; char buf[PATH_MAX]; E_Iconbar *ib; /* first we want to load the iconbar data itself - ie the config info */ /* for what icons we have and what they execute */ sprintf(buf, "%s/.e_iconbar.db", v->dir); /* use the config system to simply load up the db and start making */ /* structs and lists and stuff for us... we told it how to in init */ ib = e_config_load(buf, "", cf_iconbar); /* flush image cache */ { int size; size = imlib_get_cache_size(); imlib_set_cache_size(0); imlib_set_cache_size(size); } /* flush edb cached handled */ e_db_flush(); /* no iconbar config loaded ? return NULL */ if (!ib) return NULL; /* now that the config system has doe the loading. we need to init the */ /* object and set up ref counts and free method */ OBJ_INIT(ib, e_iconbar_free); /* the iconbar needs to know what view it's in */ ib->view = v; /* now go thru all the icons that were loaded */ for (l = ib->icons; l; l = l->next) { E_Iconbar_Icon *ic; ic = l->data; /* and init the iocnbar icon object */ OBJ_INIT(ic, e_iconbar_icon_free); /* and have the iconbar icon knwo what iconbar it belongs to */ ic->iconbar = ib; } /* now we need to load up a bits file that tells us where in the view the */ /* iconbar is meant to go. same place. just a slightly different name */ sprintf(buf, "%s/.e_iconbar.bits.db", v->dir); ib->bit = ebits_load(buf); /* we didn't find one? */ if (!ib->bit) { /* unref the iconbar (and thus it will get freed and all icons in it */ OBJ_DO_FREE(ib); /* return NULL - no iconbar worth doing here if we don't know where */ /* to put it */ return NULL; } /* aaah. our nicely constructed iconbar data struct with all the goodies */ /* we need. return it. she's ready for use. */ return ib; } /** * e_iconbar_free - Iconbar destructor. * @ib: The iconbar to be freed * * How do we free these pesky little urchins... */ void e_iconbar_free(E_Iconbar *ib) { char buf[PATH_MAX]; /* tell the view we attached to that somehting in it changed. this way */ /* the view will now it needs to redraw */ ib->view->changed = 1; /* free up our ebits */ if (ib->bit) ebits_free(ib->bit); /* if we have any icons... */ if (ib->icons) { Evas_List l; /* go thru the list of icon and unref each one.. ie - free it */ for (l = ib->icons; l; l = l->next) { E_Iconbar_Icon *ic; ic = l->data; OBJ_DO_FREE(ic); } /* free the list itself */ evas_list_free(ib->icons); } /* delete any timers intended to work on this iconbar */ sprintf(buf, "iconbar_reload:%s", ib->view->dir); ecore_del_event_timer(buf); /* free the iconbar struct */ FREE(ib); } /** * e_iconbar_icon_free -- Iconbar icon destructor * @ic: The icon that is to be freed */ void e_iconbar_icon_free(E_Iconbar_Icon *ic) { /* if we have an imageobject. nuke it */ if (ic->image) evas_del_object(ic->iconbar->view->evas, ic->image); /* free strings ... if they exist */ IF_FREE(ic->image_path); IF_FREE(ic->exec); /* stop the timer for this icon */ if (ic->hi.timer) { ecore_del_event_timer(ic->hi.timer); FREE(ic->hi.timer); } if (ic->hi.image) evas_del_object(ic->iconbar->view->evas, ic->hi.image); /* nuke that struct */ FREE(ic); } /** * e_iconbar_realize - Iconbar initialization. * @ib: The iconbar to initalize * * Turns an iconbar into more than a * structure of config data -- actually create evas objcts * we can do something visual with */ void e_iconbar_realize(E_Iconbar *ib) { Evas_List l; /* go thru every icon in the iconbar */ for (l = ib->icons; l; l = l->next) { E_Iconbar_Icon *ic; char buf[PATH_MAX]; ic = l->data; /* set the path of the image to load to be the iconbar db plus */ /* the path of the key to the image memebr - that is actually */ /* a lump of image data inlined in the iconbar db - so the icons */ /* themselves follow the iconbar wherever it goes */ sprintf(buf, "%s/.e_iconbar.db:%s", ib->view->dir, ic->image_path); /* add the icon image object */ ic->image = evas_add_image_from_file(ib->view->evas, buf); /* set it to be semi-transparent */ evas_set_color(ib->view->evas, ic->image, 255, 255, 255, 128); /* set up callbacks on events - so the ib_* functions will be */ /* called when the corresponding event happens to the icon */ evas_callback_add(ib->view->evas, ic->image, CALLBACK_MOUSE_IN, ib_mouse_in, ic); evas_callback_add(ib->view->evas, ic->image, CALLBACK_MOUSE_OUT, ib_mouse_out, ic); evas_callback_add(ib->view->evas, ic->image, CALLBACK_MOUSE_DOWN, ib_mouse_down, ic); evas_callback_add(ib->view->evas, ic->image, CALLBACK_MOUSE_UP, ib_mouse_up, ic); } /* add the ebit we loaded to the evas the iconbar exists in - now the */ /* ebit is more than just structures as well. */ ebits_add_to_evas(ib->bit, ib->view->evas); /* aaaaaaaaah. the magic of being able to replace a named bit in an ebit */ /* (in this case we expect a bit called "Icons" to exist - the user will */ /* have added a bit called this into the ebit to indicate where he/she */ /* wants icons to go. we basically replace this bit with a virtual set */ /* of callbacks that ebits will call if this bit is to be moved, resized */ /* shown, hidden, raised, lowered etc. we provide the callbacks. */ ebits_set_named_bit_replace(ib->bit, "Icons", ib_bits_show, ib_bits_hide, ib_bits_move, ib_bits_resize, ib_bits_raise, ib_bits_lower, ib_bits_set_layer, ib_bits_set_clip, ib_bits_set_color_class, ib_bits_get_min_size, ib_bits_get_max_size, ib); /* now move this ebit to a really high layer.. so its ontop of a lot */ ebits_set_layer(ib->bit, 10000); /* and now call "fix" - i called it fix cause it does a few things... */ /* but fixes the iconbar so its the size of the view, in the right */ /* place and arranges the icons in their right spots */ e_iconbar_fix(ib); } /** * e_iconbar_fix - iconbar geometry update * @ib: The iconbar for which to fix the geometry * * This function corrects the geometry and visibility * of the iconbar gfx and icons */ void e_iconbar_fix(E_Iconbar *ib) { Evas_List l; double ix, iy, aw, ah; /* move the ebit to 0,0 */ ebits_move(ib->bit, 0, 0); /* resize it to fill the whole view. the internal geometry of the */ /* ebit itself will determine where things woudl go. we just tell */ /* the ebit where in the canvas its allowed to exist */ ebits_resize(ib->bit, ib->view->size.w, ib->view->size.h); /* show it. harmless to do this all the time */ ebits_show(ib->bit); /* tell the view we belong to something may have changed so it can draw */ ib->view->changed = 1; /* the callbacks set up in th ebtis replace will set up what area in */ /* the canvas icons can exist in. lets extract them here */ ix = ib->icon_area.x; iy = ib->icon_area.y; aw = ib->icon_area.w; ah = ib->icon_area.h; /* not used yet... */ if (aw > ah) /* horizontal */ { } else /* vertical */ { } /* now go thru all the icons... */ for (l = ib->icons; l; l = l->next) { E_Iconbar_Icon *ic; int iw, ih; double w, h; double ox, oy; ic = l->data; /* find out the original image size (of the image file) */ evas_get_image_size(ic->iconbar->view->evas, ic->image, &iw, &ih); w = iw; h = ih; ox = 0; oy = 0; /* if the area to put icons is wider that it is tall... horizonatal */ /* layout of the icons seems smart */ if (aw > ah) /* horizontal */ { /* if the icon height is bigger than the icon space */ if (h > ah) { /* scale the icon down in both directions soit fits */ w = (ah * w) / h; h = ah; } /* center the icon vertically if its smaller */ ox = 0; oy = (ah - h) / 2; /* now move and resize it */ evas_move(ic->iconbar->view->evas, ic->image, ix + ox, iy + oy); evas_resize(ic->iconbar->view->evas, ic->image, w, h); /* advance our position counter to the next spot */ ix += w; } /* taller than it is wide. might be good to be vertical */ else /* vertical */ { /* if theicon width is bigger than the icon space */ if (w > aw) { /* scale it down to fit */ h = (aw * h) / w; w = aw; } /* center it horizontally */ ox = (aw - w) / 2; oy = 0; /* now move the icona nd resize it */ evas_move(ic->iconbar->view->evas, ic->image, ix + ox, iy + oy); evas_resize(ic->iconbar->view->evas, ic->image, w, h); /* advance out counter to the next spot */ iy += h; } } } /** * e_iconbar_file_add - Adds a file to a view * @v: The view in which a file is added * @file: Name of the added file * * This function is called from the * view code whenever a file is added to a view. The iconbar code here * determines if the file add is of interest * and if it is, in 0.5 secs will do a "reload */ void e_iconbar_file_add(E_View *v, char *file) { /* is the file of interest ? */ if ((!strcmp(".e_iconbar.db", file)) || (!strcmp(".e_iconbar.bits.db", file))) { char buf[PATH_MAX]; /* unique timer name */ sprintf(buf, "iconbar_reload:%s", v->dir); /* in 0.5 secs call our timout handler */ ecore_add_event_timer(buf, 0.5, ib_reload_timeout, 0, v); } } /** * e_iconbar_file_delete - Function to remove a file from an iconbox. * @v: The view in which a file is removed * @file: Name of the removed file * * This function is called whenever a file is deleted from a view. */ void e_iconbar_file_delete(E_View *v, char *file) { /* is the file of interest */ if ((!strcmp(".e_iconbar.db", file)) || (!strcmp(".e_iconbar.bits.db", file))) { /* if we have an iconbar.. delete it - because its files have been */ /* nuked. no need to keep it around. */ if (v->iconbar) { OBJ_DO_FREE(v->iconbar); v->iconbar = NULL; } } } /** * e_iconbar_file_change - File change update function * @v: The view in which a file changes * @file: Name of the changed file * * This function gets called whenever a file changes in a view */ void e_iconbar_file_change(E_View *v, char *file) { /* is the file that changed of interest */ if ((!strcmp(".e_iconbar.db", file)) || (!strcmp(".e_iconbar.bits.db", file))) { char buf[PATH_MAX]; /* unique timer name */ sprintf(buf, "iconbar_reload:%s", v->dir); /* in 0.5 secsm call the realod timeout */ ecore_add_event_timer(buf, 0.5, ib_reload_timeout, 0, v); } } /* static (internal to iconbar use only) callbacks */ /* reload timeout. called whenevr iconbar special files changed/added to */ /* a view */ static void ib_reload_timeout(int val, void *data) { E_View *v; /* get our view pointer */ v = (E_View *)data; /* if we have an iconbar.. well nuke it */ if (v->iconbar) OBJ_DO_FREE(v->iconbar); v->iconbar = NULL; /* try load a new iconbar */ if (!v->iconbar) v->iconbar = e_iconbar_new(v); /* if the iconbar loaded and theres an evas - we're realized */ /* so realize the iconbar */ if ((v->iconbar) && (v->evas)) e_iconbar_realize(v->iconbar); } /* this timeout is responsible for doing the mouse over animation */ static void ib_timeout(int val, void *data) { E_Iconbar_Icon *ic; double t; /* get the iconbar icon we are dealign with */ ic = (E_Iconbar_Icon *)data; /* val <= 0 AND we're hilited ? first call as a timeout handler. */ if ((val <= 0) && (ic->hilited)) { char *n; /* note the "start" time */ ic->hi.start = ecore_get_time(); /* no hilite (animation) image */ if (!ic->hi.image) { char buf[PATH_MAX]; /* figure out its path */ sprintf(buf, "%s/.e_iconbar.db:%s", ic->iconbar->view->dir, ic->image_path); /* add it */ ic->hi.image = evas_add_image_from_file(ic->iconbar->view->evas, buf); /* put it high up */ evas_set_layer(ic->iconbar->view->evas, ic->hi.image, 20000); /* dont allow it to capture any events (enter, leave etc. */ evas_set_pass_events(ic->iconbar->view->evas, ic->hi.image, 1); /* show it */ evas_show(ic->iconbar->view->evas, ic->hi.image); } /* start at 0 */ val = 0; } /* what tame is it ? */ t = ecore_get_time(); /* if the icon is hilited */ if (ic->hilited) { double x, y, w, h; double nw, nh, tt; int a; double speed; /* find out where the original icon image is */ evas_get_geometry(ic->iconbar->view->evas, ic->image, &x, &y, &w, &h); /* tt is the time since we started */ tt = t - ic->hi.start; /* the speed to run at - the less, the faster (ie a loop is 0.5 sec) */ speed = 0.5; /* if we are beyond the time loop.. reset the start time to now */ if (tt > speed) ic->hi.start = t; /* limit time to max loop time */ if (tt > speed) tt = speed; /* calculate alpha to be invers of time sizne loop start */ a = (int)(255.0 * (speed - tt)); /* size is icon size + how far in loop we are */ nw = w * ((tt / speed) + 1.0); nh = h * ((tt / speed) + 1.0); /* move the hilite icon to a good spot */ evas_move(ic->iconbar->view->evas, ic->hi.image, x + ((w - nw) / 2), y + ((h - nh) / 2)); /* resize it */ evas_resize(ic->iconbar->view->evas, ic->hi.image, nw, nh); /* reset its fill so ti fills its space */ evas_set_image_fill(ic->iconbar->view->evas, ic->hi.image, 0, 0, nw, nh); /* set its fade */ evas_set_color(ic->iconbar->view->evas, ic->hi.image, 255, 255, 255, a); /* incirment our count */ val++; } /* if it snot hilited */ else { double tt; int a; double speed; /* delete the animation object */ if (ic->hi.image) evas_del_object(ic->iconbar->view->evas, ic->hi.image); ic->hi.image = NULL; /* if we were pulsating.. reset start timer */ if (val > 0) { ic->hi.start = t; /* val back to 0 */ val = 0; } /* speed of the ramp */ speed = 1.0; /* position on the fade out */ tt = (t - ic->hi.start) / speed; if (tt > 1.0) tt = 1.0; /* alpha value caluclated on ramp position */ a = (int)((double)((1.0 - tt) * 127.0) + 128.0); /* set alpha value */ evas_set_color(ic->iconbar->view->evas, ic->image, 255, 255, 255, a); /* time is at end of ramp.. kill timer */ if (tt == 1.0) { /* free the timer name string */ IF_FREE(ic->hi.timer); ic->hi.timer = NULL; } /* decrement count */ val--; } /* if we have a timer name.. rerun the timer in 0.05 */ if (ic->hi.timer) ecore_add_event_timer(ic->hi.timer, 0.05, ib_timeout, val, data); /* flag the view that we changed */ ic->iconbar->view->changed = 1; } /* called when an ebits object bit needs to be shown */ static void ib_bits_show(void *data) { E_Iconbar *ib; Evas_List l; ib = (E_Iconbar *)data; /* show all the icons */ for (l = ib->icons; l; l = l->next) { E_Iconbar_Icon *ic; ic = l->data; evas_show(ic->iconbar->view->evas, ic->image); } } /* called when an ebit object bit needs to hide */ static void ib_bits_hide(void *data) { E_Iconbar *ib; Evas_List l; ib = (E_Iconbar *)data; /* hide all the icons */ for (l = ib->icons; l; l = l->next) { E_Iconbar_Icon *ic; ic = l->data; evas_hide(ic->iconbar->view->evas, ic->image); } } /* called when an ebit objetc bit needs to move */ static void ib_bits_move(void *data, double x, double y) { E_Iconbar *ib; Evas_List l; ib = (E_Iconbar *)data; /* dont do anything.. just record the geometry. we'll deal with it later */ ib->icon_area.x = x; ib->icon_area.y = y; } /* called when an ebit object bit needs to resize */ static void ib_bits_resize(void *data, double w, double h) { E_Iconbar *ib; Evas_List l; ib = (E_Iconbar *)data; /* dont do anything.. just record the geometry. we'll deal with it later */ ib->icon_area.w = w; ib->icon_area.h = h; } /* called when the ebits object bit needs to be raised */ static void ib_bits_raise(void *data) { E_Iconbar *ib; Evas_List l; ib = (E_Iconbar *)data; /* raise all the icons */ for (l = ib->icons; l; l = l->next) { E_Iconbar_Icon *ic; ic = l->data; evas_raise(ic->iconbar->view->evas, ic->image); } } /* called when the ebits object bit needs to be lowered */ static void ib_bits_lower(void *data) { E_Iconbar *ib; Evas_List l; ib = (E_Iconbar *)data; /* lower all the icons */ for (l = ib->icons; l; l = l->next) { E_Iconbar_Icon *ic; ic = l->data; evas_lower(ic->iconbar->view->evas, ic->image); } } /* called when the ebits object bit needs to change layers */ static void ib_bits_set_layer(void *data, int lay) { E_Iconbar *ib; Evas_List l; ib = (E_Iconbar *)data; /* set the layer for all the icons */ for (l = ib->icons; l; l = l->next) { E_Iconbar_Icon *ic; ic = l->data; evas_set_layer(ic->iconbar->view->evas, ic->image, lay); } } /* not used... err.. ebits clips for us to the maximum allowed space of */ /* the ebit object bit - dont know why i have this here */ static void ib_bits_set_clip(void *data, Evas_Object clip) { } /* we arent going to recolor our icons here according to color class */ static void ib_bits_set_color_class(void *data, char *cc, int r, int g, int b, int a) { } /* our minimum size for icon space is 0x0 */ static void ib_bits_get_min_size(void *data, double *w, double *h) { *w = 0; *h = 0; } /* our maximum is huge */ static void ib_bits_get_max_size(void *data, double *w, double *h) { *w = 999999; *h = 999999; } /* called on events on icons */ /* called when a mouse goes in on an icon object */ static void ib_mouse_in(void *data, Evas _e, Evas_Object _o, int _b, int _x, int _y) { E_Iconbar_Icon *ic; /* get he iconbaricon pointer from the data member */ ic = (E_Iconbar_Icon *)data; /* set hilited flag */ ic->hilited = 1; /* make it more opaque */ evas_set_color(ic->iconbar->view->evas, ic->image, 255, 255, 255, 255); /* if we havent started an animation timer - start one */ if (!ic->hi.timer) { char buf[PATH_MAX]; /* come up with a unique name for it */ sprintf(buf, "iconbar:%s/%s", ic->iconbar->view->dir, ic->image_path); e_strdup(ic->hi.timer, buf); /* call the timeout */ ib_timeout(0, ic); } /* tell the view the iconbar is in.. something changed that might mean */ /* a redraw is needed */ ic->iconbar->view->changed = 1; } /* called when a mouse goes out of an icon object */ static void ib_mouse_out(void *data, Evas _e, Evas_Object _o, int _b, int _x, int _y) { E_Iconbar_Icon *ic; /* get he iconbaricon pointer from the data member */ ic = (E_Iconbar_Icon *)data; /* unset hilited flag */ ic->hilited = 0; /* tell the view the iconbar is in.. something changed that might mean */ /* a redraw is needed */ ic->iconbar->view->changed = 1; } /* called when the mouse goes down on an icon object */ static void ib_mouse_down(void *data, Evas _e, Evas_Object _o, int _b, int _x, int _y) { E_Iconbar_Icon *ic; /* get he iconbaricon pointer from the data member */ ic = (E_Iconbar_Icon *)data; /* run something! */ if (ic->exec) e_exec_run(ic->exec); } /* called when the mouse goes up on an icon object */ static void ib_mouse_up(void *data, Evas _e, Evas_Object _o, int _b, int _x, int _y) { }