Split the UI code into multiple files
This commit is contained in:
parent
cc18cb100d
commit
56fe5ae6fc
23 changed files with 10140 additions and 9559 deletions
366
subjects.c
Normal file
366
subjects.c
Normal file
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#include "maturita.h"
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/* ------------------------------------------------------------------ */
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/* Subjects page ("Předměty") - serpentine subject map */
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/* ------------------------------------------------------------------ */
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/* Index 0 is Deutsch and is the only unlocked subject for now. */
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const char *sub_keys[NUM_SUBJECTS] = {
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"Deutsch",
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"Správa počítačových sítí",
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"Občanská nauka",
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"English",
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"Matematika",
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"Fyzika",
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"Základy Přírodopisných věd",
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"Technická grafika",
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"Prezentační grafika",
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"Český jazyk a literatura",
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"Programování",
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"Technické vybavení",
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"Programové vybavení",
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};
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/* Slice of the global `units[]` table that each subject owns. A start of -1
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* (or a count of 0) means the subject has no content yet; such subjects show
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* as locked on the statistics page until their units are added. */
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const int sub_unit_start[NUM_SUBJECTS] = {
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0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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};
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const int sub_unit_count[NUM_SUBJECTS] = {
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NUM_UNITS, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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};
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GtkWidget *sub_scroll;
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GtkWidget *sub_fixed;
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GtkWidget *sub_rail;
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GtkWidget *sub_cells[NUM_SUBJECTS];
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GtkWidget *sub_labels[NUM_SUBJECTS];
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double sub_cx[NUM_SUBJECTS];
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double sub_cy[NUM_SUBJECTS];
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int sub_rows = 1;
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int sub_cols = NUM_SUBJECTS;
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int sub_cw = (int)(2.0 * SUB_MX + (NUM_SUBJECTS - 1) * SUB_SPAC);
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int sub_ch = (int)(2.0 * SUB_MY);
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guint sub_idle;
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void sub_layout_geometry(double avail) {
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const double phase = 2.0 * G_PI * 1.7 / (double)(NUM_SUBJECTS - 1);
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int rows;
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int r, c, i;
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for (rows = 1; rows <= NUM_SUBJECTS; rows++) {
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int cols = (NUM_SUBJECTS + rows - 1) / rows;
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if (2.0 * SUB_MX + (cols - 1) * SUB_SPAC <= avail + 1.0)
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break;
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}
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if (rows > NUM_SUBJECTS)
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rows = NUM_SUBJECTS;
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sub_rows = rows;
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sub_cols = (NUM_SUBJECTS + rows - 1) / rows;
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if (sub_cols < 1)
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sub_cols = 1;
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sub_cw = (int)(2.0 * SUB_MX + (sub_cols - 1) * SUB_SPAC);
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sub_ch = (int)(2.0 * SUB_MY + (rows - 1) * SUB_GAP);
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for (r = 0; r < rows; r++) {
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int base = r * sub_cols;
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int len = MIN(sub_cols, NUM_SUBJECTS - base);
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int fwd = (r % 2) == 0;
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for (c = 0; c < len; c++) {
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i = base + c;
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int cc = fwd ? c : (sub_cols - 1 - c);
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sub_cx[i] = SUB_MX + cc * SUB_SPAC;
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sub_cy[i] = SUB_MY + r * SUB_GAP
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+ SUB_WAVE * sin((double)i * phase);
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}
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}
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}
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void sub_point(double t, double *ox, double *oy) {
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int k = (int)t;
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double u = t - (double)k;
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double u2, u3;
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double p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y;
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if (k < 0) { k = 0; u = 0.0; }
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if (k >= NUM_SUBJECTS - 1) { k = NUM_SUBJECTS - 2; u = 1.0; }
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p1x = sub_cx[k]; p1y = sub_cy[k];
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p2x = sub_cx[k + 1]; p2y = sub_cy[k + 1];
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if (k - 1 >= 0) { p0x = sub_cx[k - 1]; p0y = sub_cy[k - 1]; }
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else { p0x = p1x - (p2x - p1x); p0y = p1y - (p2y - p1y); }
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if (k + 2 < NUM_SUBJECTS) { p3x = sub_cx[k + 2]; p3y = sub_cy[k + 2]; }
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else { p3x = p2x + (p2x - p1x); p3y = p2y + (p2y - p1y); }
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u2 = u * u;
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u3 = u2 * u;
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*ox = 0.5 * (2.0 * p1x + (-p0x + p2x) * u
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+ (2.0 * p0x - 5.0 * p1x + 4.0 * p2x - p3x) * u2
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+ (-p0x + 3.0 * p1x - 3.0 * p2x + p3x) * u3);
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*oy = 0.5 * (2.0 * p1y + (-p0y + p2y) * u
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+ (2.0 * p0y - 5.0 * p1y + 4.0 * p2y - p3y) * u2
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+ (-p0y + 3.0 * p1y - 3.0 * p2y + p3y) * u3);
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}
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void sub_path(cairo_t *cr, double t0, double t1) {
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const double steps_per_unit = 48.0;
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int n = (int)((t1 - t0) * steps_per_unit);
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double x, y;
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int s;
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if (n < 1)
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n = 1;
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sub_point(t0, &x, &y);
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cairo_move_to(cr, x, y);
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for (s = 1; s <= n; s++) {
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sub_point(t0 + (t1 - t0) * (double)s / (double)n, &x, &y);
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cairo_line_to(cr, x, y);
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}
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}
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void draw_sub_rail(GtkDrawingArea *area, cairo_t *cr,
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int width, int height, gpointer user_data) {
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const double t_end = (double)(NUM_SUBJECTS - 1);
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const Rgb rail = color_from_hex(app_theme.rail);
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const Rgb mauve = color_from_hex(app_theme.accent);
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double hx, hy;
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(void)area;
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(void)width;
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(void)height;
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(void)user_data;
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cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
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cairo_paint(cr);
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
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cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND);
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cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
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sub_point(0.0, &hx, &hy);
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draw_node_halo(cr, hx, hy, SUB_BUBBLE * 1.05,
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mauve.r, mauve.g, mauve.b, 0.18);
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cairo_new_path(cr);
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sub_path(cr, 0.0, t_end);
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cairo_set_line_width(cr, 14);
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cairo_set_source_rgb(cr, rail.r, rail.g, rail.b);
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cairo_stroke(cr);
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}
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void sub_apply_layout(void) {
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int i;
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if (!sub_fixed)
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return;
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for (i = 0; i < NUM_SUBJECTS; i++) {
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if (sub_cells[i])
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gtk_fixed_move(GTK_FIXED(sub_fixed), sub_cells[i],
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(int)(sub_cx[i] - SUB_BUBBLE / 2.0),
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(int)(sub_cy[i] - SUB_BUBBLE / 2.0));
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if (sub_labels[i])
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gtk_fixed_move(GTK_FIXED(sub_fixed), sub_labels[i],
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(int)(sub_cx[i] - (SUB_SPAC - 24.0) / 2.0),
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(int)(sub_cy[i] + SUB_BUBBLE / 2.0 + 10.0));
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}
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gtk_widget_set_size_request(sub_fixed, sub_cw, sub_ch);
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gtk_widget_set_size_request(sub_rail, sub_cw, sub_ch);
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gtk_fixed_move(GTK_FIXED(sub_fixed), sub_rail, 0, 0);
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gtk_widget_queue_draw(sub_rail);
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}
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void sub_relayout(void) {
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GtkAdjustment *hadj;
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double avail;
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if (!sub_scroll)
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return;
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hadj = gtk_scrolled_window_get_hadjustment(
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GTK_SCROLLED_WINDOW(sub_scroll));
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avail = gtk_adjustment_get_page_size(hadj);
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if (avail < 1.0)
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return;
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sub_layout_geometry(avail);
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sub_apply_layout();
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}
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gboolean sub_relayout_idle(gpointer data) {
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(void)data;
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sub_idle = 0;
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sub_relayout();
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return G_SOURCE_REMOVE;
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}
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void sub_relayout_later(void) {
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if (sub_idle == 0)
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sub_idle = g_idle_add(sub_relayout_idle, NULL);
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}
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void sub_adjust_notify(GtkAdjustment *adj, GParamSpec *ps,
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gpointer data) {
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(void)adj;
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(void)ps;
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(void)data;
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sub_relayout_later();
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}
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/* German flag (black / red / gold) drawn in a clipped circle. */
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void draw_german_flag(GtkDrawingArea *area, cairo_t *cr,
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int width, int height, gpointer data) {
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double cx = width / 2.0;
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double cy = height / 2.0;
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double r = MIN(width, height) / 2.0 - 2.0;
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double band = (double)height / 3.0;
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(void)area;
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(void)data;
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cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
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cairo_paint(cr);
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
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cairo_save(cr);
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cairo_new_path(cr);
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cairo_arc(cr, cx, cy, r, 0.0, 2.0 * G_PI);
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cairo_clip(cr);
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cairo_new_path(cr);
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cairo_rectangle(cr, 0.0, 0.0, (double)width, band);
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cairo_set_source_rgb(cr, 0.18, 0.18, 0.19);
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cairo_fill(cr);
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cairo_new_path(cr);
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cairo_rectangle(cr, 0.0, band, (double)width, band);
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cairo_set_source_rgb(cr, 0.72, 0.27, 0.24);
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cairo_fill(cr);
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cairo_new_path(cr);
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cairo_rectangle(cr, 0.0, 2.0 * band, (double)width, band);
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cairo_set_source_rgb(cr, 0.84, 0.70, 0.32);
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cairo_fill(cr);
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cairo_restore(cr);
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}
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GtkWidget *build_subjects_page(void) {
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GtkWidget *page;
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GtkWidget *scroll;
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GtkWidget *wrap;
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GtkWidget *fixed;
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GtkWidget *rail;
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GtkAdjustment *ha;
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GtkAdjustment *va;
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int i;
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sub_layout_geometry(1000.0);
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page = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
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gtk_widget_set_hexpand(page, TRUE);
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gtk_widget_set_vexpand(page, TRUE);
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gtk_widget_set_margin_start(page, 32);
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gtk_widget_set_margin_end(page, 32);
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gtk_widget_set_margin_top(page, 24);
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gtk_widget_set_margin_bottom(page, 24);
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gtk_box_append(GTK_BOX(page),
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top_bar("welcome", "subjects_title", "subjects_sub"));
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scroll = gtk_scrolled_window_new();
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gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
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GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
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gtk_widget_set_vexpand(scroll, TRUE);
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gtk_widget_set_margin_top(scroll, 14);
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gtk_box_append(GTK_BOX(page), scroll);
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sub_scroll = scroll;
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wrap = gtk_center_box_new();
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gtk_widget_set_vexpand(wrap, TRUE);
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gtk_widget_set_hexpand(wrap, TRUE);
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gtk_scrolled_window_set_child(GTK_SCROLLED_WINDOW(scroll), wrap);
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fixed = gtk_fixed_new();
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gtk_widget_set_halign(fixed, GTK_ALIGN_CENTER);
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gtk_widget_set_valign(fixed, GTK_ALIGN_CENTER);
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gtk_widget_set_size_request(fixed, sub_cw, sub_ch);
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gtk_center_box_set_center_widget(GTK_CENTER_BOX(wrap), fixed);
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sub_fixed = fixed;
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rail = gtk_drawing_area_new();
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gtk_widget_set_size_request(rail, sub_cw, sub_ch);
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gtk_drawing_area_set_draw_func(GTK_DRAWING_AREA(rail), draw_sub_rail,
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NULL, NULL);
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gtk_fixed_put(GTK_FIXED(fixed), rail, 0, 0);
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sub_rail = rail;
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for (i = 0; i < NUM_SUBJECTS; i++) {
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GtkWidget *card;
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GtkWidget *lbl;
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card = gtk_button_new();
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gtk_widget_add_css_class(card, "unit-node");
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gtk_widget_set_can_focus(card, FALSE);
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gtk_widget_set_size_request(card, (int)SUB_BUBBLE, (int)SUB_BUBBLE);
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if (i == 0) {
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GtkWidget *flag = gtk_drawing_area_new();
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gtk_widget_add_css_class(card, "current");
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gtk_widget_set_size_request(flag, (int)SUB_BUBBLE,
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(int)SUB_BUBBLE);
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gtk_drawing_area_set_draw_func(GTK_DRAWING_AREA(flag),
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draw_german_flag, NULL, NULL);
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gtk_button_set_child(GTK_BUTTON(card), flag);
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g_object_set_data_full(G_OBJECT(card), "target",
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g_strdup("roadmap"), g_free);
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g_signal_connect(card, "clicked", G_CALLBACK(on_nav_clicked), NULL);
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} else if (i == NET_SUBJ) {
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GtkWidget *wifi = gtk_drawing_area_new();
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gtk_widget_add_css_class(card, "current");
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gtk_widget_set_size_request(wifi, (int)SUB_BUBBLE,
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(int)SUB_BUBBLE);
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gtk_drawing_area_set_draw_func(GTK_DRAWING_AREA(wifi),
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draw_wifi_icon, NULL, NULL);
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gtk_button_set_child(GTK_BUTTON(card), wifi);
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g_object_set_data_full(G_OBJECT(card), "target",
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g_strdup("netmap"), g_free);
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g_signal_connect(card, "clicked", G_CALLBACK(on_nav_clicked), NULL);
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} else {
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GtkWidget *lock;
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gtk_widget_add_css_class(card, "locked");
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gtk_widget_set_sensitive(card, FALSE);
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lock = icon_area_new(draw_lock_icon,
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0.3451, 0.3569, 0.4392, 26);
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gtk_button_set_child(GTK_BUTTON(card), lock);
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}
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sub_cells[i] = card;
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gtk_fixed_put(GTK_FIXED(fixed), card, 0, 0);
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lbl = gtk_label_new(NULL);
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i18n_bind(lbl, sub_keys[i], 0);
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gtk_widget_set_size_request(lbl, (int)(SUB_SPAC - 24.0), -1);
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gtk_widget_set_halign(lbl, GTK_ALIGN_CENTER);
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gtk_label_set_justify(GTK_LABEL(lbl), GTK_JUSTIFY_CENTER);
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gtk_label_set_wrap(GTK_LABEL(lbl), TRUE);
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gtk_widget_add_css_class(lbl, "unit-name");
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if (i != 0 && i != NET_SUBJ)
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gtk_widget_add_css_class(lbl, "unit-name-locked");
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sub_labels[i] = lbl;
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gtk_fixed_put(GTK_FIXED(fixed), lbl, 0, 0);
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}
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ha = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(scroll));
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va = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(scroll));
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g_signal_connect(ha, "notify::page-size",
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G_CALLBACK(sub_adjust_notify), NULL);
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g_signal_connect(va, "notify::page-size",
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G_CALLBACK(sub_adjust_notify), NULL);
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sub_apply_layout();
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sub_relayout_later();
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return page;
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}
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