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icon_view.c
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icon_view.c
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/*
* Copyright (C) 2018 Santiago León O.
*/
#define UNSELECTED_ICON_BOX_STYLE \
"box {" \
" padding: 6px;" \
" border-radius: 3px;" \
" border: 1px solid rgba(0,0,0,0);" \
"}"
#define SELECTED_ICON_BOX_STYLE \
"box {" \
" padding: 6px;" \
" border-radius: 3px;" \
" border: 1px solid #777;" \
"}"
GtkWidget *spaced_grid_new (int spacing)
{
GtkWidget *new_grid = gtk_grid_new ();
gtk_widget_set_margin_start (GTK_WIDGET(new_grid), spacing);
gtk_widget_set_margin_end (GTK_WIDGET(new_grid), spacing);
gtk_widget_set_margin_top (GTK_WIDGET(new_grid), spacing);
gtk_widget_set_margin_bottom (GTK_WIDGET(new_grid), spacing);
gtk_grid_set_row_spacing (GTK_GRID(new_grid), spacing);
gtk_grid_set_column_spacing (GTK_GRID(new_grid), spacing);
return new_grid;
}
void data_dpy_append (GtkWidget *data, char *title, char *value, int id)
{
GtkWidget *title_label = gtk_label_new (title);
gtk_widget_set_halign (title_label, GTK_ALIGN_END);
add_css_class (title_label, "h4");
GtkWidget *value_label = gtk_label_new (value);
gtk_label_set_ellipsize (GTK_LABEL(value_label), PANGO_ELLIPSIZE_END);
gtk_widget_set_halign (value_label, GTK_ALIGN_START);
gtk_label_set_selectable (GTK_LABEL(value_label), TRUE);
add_css_class (value_label, "h5");
gtk_grid_attach (GTK_GRID(data), title_label, 0, id, 1, 1);
gtk_grid_attach (GTK_GRID(data), value_label, 1, id, 1, 1);
}
static inline
char* str_or_dash (char *str)
{
if (str == NULL || *str == '\0') {
static char *str = "-";
return str;
} else {
return str;
}
}
// NOTE: requires #include <locale.h>
void bytes_to_human_readable (off_t size, char *buff, size_t buff_len)
{
assert (buff_len > 9);
int i = 0;
float hr = size;
while (hr > 1024) {
i++;
hr /= 1024;
}
char *unit = "?";
if (i == 0) {
unit = "B";
} else if (i == 1) {
unit = "K";
} else if (i == 2) {
unit = "M";
} else if (i == 3) {
unit = "G";
} else if (i == 4) {
unit = "T";
} else if (i == 5) {
unit = "P";
} else if (i == 6) {
unit = "E";
} else if (i == 7) {
unit = "Z";
} else if (i == 8) {
unit = "Y";
}
struct lconv *locale = localeconv();
int int_part = (int)hr;
int dec_part = (int)((hr - int_part)*10);
if (dec_part != 0) {
snprintf (buff, buff_len, "%d%s%d %s", int_part, locale->decimal_point, dec_part, unit);
} else {
snprintf (buff, buff_len, "%d %s", int_part, unit);
}
}
GtkWidget* image_data_dpy_new (struct icon_image_t *img)
{
GtkWidget *data = gtk_grid_new ();
gtk_grid_set_column_spacing (GTK_GRID(data), 12);
struct icon_image_t l_img = ZERO_INIT(struct icon_image_t);
if (img == NULL) {
img = &l_img;
}
int i = 0;
char *str;
char buff[10];
data_dpy_append (data, "Theme Path:", str_or_dash(img->theme_dir), i++);
data_dpy_append (data, "File Path:", str_or_dash(img->path), i++);
snprintf (buff, ARRAY_SIZE(buff), "%d x %d", img->width, img->height);
str = img->width < 1 || img->height < 1 ? "-" : buff;
data_dpy_append (data, "Image Size:", str, i++);
bytes_to_human_readable (img->file_size, buff, ARRAY_SIZE(buff));
data_dpy_append (data, "File Size:", buff, i++);
snprintf (buff, ARRAY_SIZE(buff), "%d", img->size);
str = img->size < 1 ? "-" : buff;
data_dpy_append (data, "Size:", str, i++);
data_dpy_append (data, "Context:", str_or_dash(img->context), i++);
data_dpy_append (data, "Type:", str_or_dash(img->type), i++);
snprintf (buff, ARRAY_SIZE(buff), "%d - %d", img->min_size, img->max_size);
str = img->min_size < 1 || img->max_size < 1 ? "-" : buff;
data_dpy_append (data, "Size Range:", str, i++);
return data;
}
void set_icon_box_border (struct icon_image_t *img)
{
img->custom_css = replace_custom_css (img->box, img->custom_css, SELECTED_ICON_BOX_STYLE);
}
void unset_icon_box_border (struct icon_image_t *img)
{
img->custom_css = replace_custom_css (img->box, img->custom_css, UNSELECTED_ICON_BOX_STYLE);
}
gboolean on_image_clicked (GtkWidget *widget, GdkEvent *event, gpointer user_data)
{
struct icon_image_t *img = (struct icon_image_t *)user_data;
if (img->view->selected_img != img) {
GtkWidget *image_data_dpy = image_data_dpy_new (img);
g_assert (img->view->image_data_dpy != NULL);
unset_icon_box_border (img->view->selected_img);
img->view->selected_img = img;
set_icon_box_border (img);
// Replace image_data_dpy widget
GtkWidget *parent = gtk_widget_get_parent (img->view->image_data_dpy);
gtk_container_remove (GTK_CONTAINER(parent), img->view->image_data_dpy);
gtk_container_add (GTK_CONTAINER(parent), image_data_dpy);
img->view->image_data_dpy = image_data_dpy;
gtk_widget_show_all (image_data_dpy);
}
// NOTE: We allways let the event go through so we have drag and drop even
// if the image wasn't selected.
return FALSE;
}
char* new_bgcolor_style_str (mem_pool_t *pool, char *node_name, dvec4 color)
{
char *str =
pprintf (pool,
"%s {"
" background-color: rgba(%d,%d,%d,%d);"
"}",
node_name,
(int)(color.r*255), (int)(color.g*255), (int)(color.b*255), (int)(color.a*255));
return str;
}
void icon_view_update_bg_color (struct icon_view_t *icon_view, dvec4 color)
{
mem_pool_t pool = {0};
char *style = new_bgcolor_style_str (&pool, "scrolledwindow", color);
icon_view->scrolled_window_custom_css =
replace_custom_css (icon_view->scrolled_window, icon_view->scrolled_window_custom_css,
style);
mem_pool_destroy (&pool);
}
void on_color_button_clicked (GtkColorButton *button, gpointer user_data)
{
struct icon_view_t *icon_view = (struct icon_view_t*)user_data;
GdkRGBA gdk_color;
gtk_color_chooser_get_rgba(GTK_COLOR_CHOOSER(button), &gdk_color);
dvec4 color = RGBA(gdk_color.red, gdk_color.green, gdk_color.blue, gdk_color.alpha);
icon_view_update_bg_color (icon_view, color);
app.bg_color = color;
}
void on_drag_data_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *data,
guint info, guint time, gpointer user_data)
{
struct icon_image_t *img = (struct icon_image_t *)user_data;
string_t uri = str_new ("file://");
str_cat_c (&uri, img->full_path);
char *uris[] = {str_data(&uri), NULL};
gtk_selection_data_set_uris (data, uris);
str_free (&uri);
}
GtkWidget* icon_view_create_icon_dpy (struct icon_view_t *icon_view, int scale)
{
// NOTE: At least one package (aptdaemon-data) provides animated icons in a
// single file by appending the frames side by side. Here we detect that
// case and instead display these icons vertically.
GtkOrientation all_icons_or = icon_view->images[scale-1]->width/icon_view->images[scale-1]->height > 2 ?
GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL;
GtkWidget *all_icons = gtk_box_new (all_icons_or, 12);
struct icon_image_t *last_img = NULL;
struct icon_image_t *img = icon_view->images[scale-1];
while (img != NULL) {
GtkWidget *box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
img->box = box;
img->custom_css = add_custom_css (box, UNSELECTED_ICON_BOX_STYLE);
gtk_widget_set_valign (box,GTK_ALIGN_END);
gtk_widget_set_vexpand (box, FALSE);
gtk_container_add (GTK_CONTAINER(box), img->image);
if (img->label != NULL) {
GtkWidget *label = gtk_label_new (img->label);
gtk_widget_set_valign (label, GTK_ALIGN_START);
gtk_label_set_justify (GTK_LABEL(label), GTK_JUSTIFY_CENTER);
gtk_container_add (GTK_CONTAINER(box), label);
}
GtkWidget *hitbox = gtk_event_box_new ();
g_signal_connect (G_OBJECT(hitbox), "button-press-event", G_CALLBACK(on_image_clicked), img);
// Setup DnD of images
{
gtk_drag_source_set (hitbox, GDK_BUTTON1_MASK, NULL, 0, GDK_ACTION_COPY);
gtk_drag_source_add_uri_targets (hitbox);
GdkPixbuf *pixbuf = gtk_image_get_pixbuf (GTK_IMAGE(img->image));
gtk_drag_source_set_icon_pixbuf (hitbox, pixbuf);
g_signal_connect (G_OBJECT(hitbox), "drag-data-get", G_CALLBACK(on_drag_data_get), img);
}
gtk_container_add (GTK_CONTAINER(hitbox), box);
gtk_container_add (GTK_CONTAINER(all_icons), hitbox);
if(img->next == NULL) {
icon_view->selected_img = img;
set_icon_box_border (img);
last_img = img;
}
img = img->next;
}
// Place the icon list inside a GtkGrid so they are centered
GtkWidget *icon_dpy = spaced_grid_new (12);
gtk_widget_set_valign (icon_dpy, GTK_ALIGN_CENTER);
gtk_widget_set_halign (icon_dpy, GTK_ALIGN_CENTER);
gtk_widget_set_hexpand (icon_dpy, TRUE);
gtk_widget_set_vexpand (icon_dpy, TRUE);
gtk_grid_attach (GTK_GRID(icon_dpy), all_icons, 0, 0, 1, 1);
if (icon_view->image_data_dpy == NULL) {
icon_view->image_data_dpy = image_data_dpy_new (last_img);
} else {
replace_wrapped_widget (&icon_view->image_data_dpy, image_data_dpy_new (last_img));
}
// Wrap icon_dpy into a GtkScrolledWindow
GtkWidget *scrolled_window = gtk_scrolled_window_new (NULL, NULL);
mem_pool_t pool = {0};
icon_view->scrolled_window_custom_css =
add_custom_css (scrolled_window, new_bgcolor_style_str (&pool, "scrolledwindow", app.bg_color));
mem_pool_destroy (&pool);
icon_view->scrolled_window = scrolled_window;
gtk_widget_set_hexpand (scrolled_window, TRUE);
gtk_widget_set_vexpand (scrolled_window, TRUE);
gtk_container_add (GTK_CONTAINER (scrolled_window), icon_dpy);
GdkRGBA c = GDK_RGBA_FROM_RGBA(app.bg_color);
GtkWidget *button = gtk_color_button_new_with_rgba (&c);
gtk_color_chooser_set_use_alpha (GTK_COLOR_CHOOSER(button), TRUE);
add_custom_css (button,
"button {"
" background-color: @bg_color;"
"}");
g_signal_connect (G_OBJECT(button), "color-set", G_CALLBACK(on_color_button_clicked), icon_view);
GtkWidget *toolbar = spaced_grid_new (6);
gtk_container_add (GTK_CONTAINER (toolbar), button);
GtkWidget *overlay = gtk_overlay_new ();
gtk_container_add (GTK_CONTAINER (overlay), scrolled_window);
gtk_overlay_add_overlay (GTK_OVERLAY(overlay), toolbar);
gtk_overlay_set_overlay_pass_through (GTK_OVERLAY(overlay), toolbar, TRUE);
return overlay;
}
void on_scale_toggled (GtkToggleButton *button, gpointer user_data)
{
struct icon_view_t *icon_view = (struct icon_view_t *) user_data;
if (gtk_toggle_button_get_active(button)) {
int scale = gtk_radio_button_get_idx (GTK_RADIO_BUTTON(button));
GtkWidget *icon_dpy = icon_view_create_icon_dpy (icon_view, scale);
replace_wrapped_widget (&icon_view->icon_dpy, icon_dpy);
}
}
GtkWidget* scale_selector_new (struct icon_view_t *icon_view)
{
GtkWidget *selector = gtk_button_box_new (GTK_ORIENTATION_HORIZONTAL);
gtk_widget_set_halign (selector, GTK_ALIGN_END);
gtk_button_box_set_layout (GTK_BUTTON_BOX(selector), GTK_BUTTONBOX_EXPAND);
GSList *group = NULL;
for (int i=0; i<ARRAY_SIZE(icon_view->images); i++) {
char buff[3];
snprintf (buff, ARRAY_SIZE(buff), "%iX", i+1);
GtkWidget *scale_button = gtk_radio_button_new_with_label (group, buff);
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON(scale_button), FALSE);
gtk_container_add (GTK_CONTAINER(selector), scale_button);
if (icon_view->images[i] != NULL) {
g_signal_connect (G_OBJECT(scale_button), "toggled", G_CALLBACK(on_scale_toggled), icon_view);
} else {
gtk_widget_set_sensitive (scale_button, FALSE);
}
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON(scale_button));
}
return selector;
}
void on_icon_view_theme_changed (GtkComboBox *themes_combobox, gpointer user_data)
{
const char* theme_name = gtk_combo_box_get_active_id (themes_combobox);
if (app.selected_theme_type == THEME_TYPE_ALL) {
app_set_selected_theme (&app, theme_name);
app_set_icon_view (&app, app.selected_icon);
} else {
app_set_normal_theme (&app, theme_name, app.selected_icon);
}
}
GtkWidget* draw_icon_view (struct icon_view_t *icon_view)
{
icon_view->icon_dpy = icon_view_create_icon_dpy (icon_view, 1);
// Create the icon data pane
GtkWidget *data_pane = spaced_grid_new (12);
GtkWidget *icon_name_label = gtk_label_new (icon_view->icon_name);
add_css_class (icon_name_label, "h2");
gtk_label_set_selectable (GTK_LABEL(icon_name_label), TRUE);
gtk_label_set_ellipsize (GTK_LABEL(icon_name_label), PANGO_ELLIPSIZE_END);
gtk_widget_set_halign (icon_name_label, GTK_ALIGN_START);
gtk_grid_attach (GTK_GRID(data_pane), icon_name_label, 0, 0, 1, 1);
GtkWidget *icon_widgets = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 18);
GtkWidget *theme_selector = NULL;
if (app.selected_theme_type == THEME_TYPE_ALL || app.selected_theme_type == THEME_TYPE_NORMAL) {
GtkWidget *themes_combobox;
theme_selector = labeled_combobox_new ("Theme:", &themes_combobox);
for (struct icon_theme_t *curr_theme = app.themes; curr_theme; curr_theme = curr_theme->next) {
if (g_hash_table_contains (curr_theme->icon_names, icon_view->icon_name)) {
combo_box_text_append_text_with_id (GTK_COMBO_BOX_TEXT(themes_combobox), curr_theme->name);
}
}
gtk_combo_box_set_active_id (GTK_COMBO_BOX(themes_combobox), app.selected_theme->name);
g_signal_connect (G_OBJECT(themes_combobox), "changed", G_CALLBACK (on_icon_view_theme_changed), NULL);
gtk_container_add (GTK_CONTAINER(icon_widgets), theme_selector);
}
GtkWidget *scale_selector = scale_selector_new (icon_view);
GtkWidget *widget_to_align = theme_selector != NULL ? theme_selector : scale_selector;
gtk_widget_set_halign (widget_to_align, GTK_ALIGN_END);
gtk_widget_set_hexpand (widget_to_align, TRUE);
gtk_container_add (GTK_CONTAINER(icon_widgets), scale_selector);
gtk_grid_attach (GTK_GRID(data_pane), icon_widgets, 1, 0, 1, 1);
gtk_grid_attach (GTK_GRID(data_pane),
wrap_gtk_widget(icon_view->image_data_dpy),
0, 1, 1, 1);
return fk_paned (GTK_ORIENTATION_VERTICAL,
wrap_gtk_widget(icon_view->icon_dpy),
data_pane);
}