Initial commit
This commit is contained in:
Hector Martin
330
channel/channelapp/source/browser.c
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330
channel/channelapp/source/browser.c
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <math.h>
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#include <ogcsys.h>
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#include <ogc/lwp_watchdog.h>
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#include "../config.h"
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#include "theme.h"
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#include "view.h"
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#include "controls.h"
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#include "i18n.h"
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#include "browser.h"
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#define AE_OFFSET 4
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#define TRANS_STEPS 20
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#define MAX_COLUMNS 4
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#define ROWS 5
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static bool first_set = true;
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static u16 top_offset = 0;
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static view *v_browser = NULL;
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static int columns_current = 1;
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static int columns_new = 1;
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static bool inited_widgets = false;
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view * browser_init(void) {
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v_browser = view_new (AE_OFFSET + (MAX_COLUMNS * ROWS * 2), NULL,
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0, 0, 0, 0);
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browser_theme_reinit();
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return v_browser;
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}
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void browser_deinit(void) {
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view_free(v_browser);
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inited_widgets = false;
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v_browser = NULL;
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}
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void browser_theme_reinit(void) {
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int i;
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if (inited_widgets)
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for (i = 0; i < v_browser->widget_count; ++i)
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widget_free(&v_browser->widgets[i]);
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widget_image (&v_browser->widgets[0], 24, 192, 0,
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theme_gfx[THEME_ARROW_LEFT], NULL, true,
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theme_gfx[THEME_ARROW_LEFT_FOCUS]);
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widget_image (&v_browser->widgets[1],
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view_width - 24 - theme_gfx[THEME_ARROW_RIGHT]->w, 192, 0,
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theme_gfx[THEME_ARROW_RIGHT], NULL, true,
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theme_gfx[THEME_ARROW_RIGHT_FOCUS]);
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widget_image (&v_browser->widgets[2],
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view_width - 32 - theme_gfx[THEME_GECKO_ACTIVE]->w -
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theme_gfx[THEME_LAN_ACTIVE]->w, 412, 0,
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theme_gfx[THEME_GECKO_ACTIVE], theme_gfx[THEME_GECKO],
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false, NULL);
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widget_image (&v_browser->widgets[3],
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view_width - 32 - theme_gfx[THEME_GECKO_ACTIVE]->w, 412, 0,
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theme_gfx[THEME_LAN_ACTIVE], theme_gfx[THEME_LAN],
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false, NULL);
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widget_set_flag (&v_browser->widgets[2], WF_ENABLED, false);
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widget_set_flag (&v_browser->widgets[3], WF_ENABLED, false);
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widget_set_flag (&v_browser->widgets[0], WF_VISIBLE, false);
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widget_set_flag (&v_browser->widgets[1], WF_VISIBLE, false);
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inited_widgets = true;
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}
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static void browser_set_top_offset(const app_entry *app) {
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u32 i;
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if (!app || (entry_count < 1)) {
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top_offset = 0;
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return;
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}
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for (i = 0; i < entry_count; ++i)
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if (entries[i] == app) {
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top_offset = i;
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break;
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}
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top_offset /= columns_new * ROWS;
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top_offset *= columns_new * ROWS;
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if (top_offset > entry_count - 1)
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top_offset -= columns_new * ROWS;
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}
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void browser_gen_view(browser_action action, const app_entry *app) {
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bool less, more;
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app_entry *entry;
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s8 focus;
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u32 i, j;
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u16 y;
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u8 o1, o2;
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s16 xal, xar, x1, x2;
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float xm;
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float vala = 0;
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float val1[MAX_COLUMNS * ROWS];
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float val2[MAX_COLUMNS * ROWS];
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float stepa = M_TWOPI / TRANS_STEPS;
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float step = M_PI / (TRANS_STEPS - 6);
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s16 s;
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float f1, f2;
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switch (action) {
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case BA_REMOVE:
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break;
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case BA_ADD:
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case BA_REFRESH:
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browser_set_top_offset(app);
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break;
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case BA_NEXT:
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if (entry_count <= top_offset + (columns_new * ROWS))
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return;
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top_offset += columns_current * ROWS;
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break;
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case BA_PREV:
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if (top_offset < 1)
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return;
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if (top_offset < columns_current * ROWS)
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return;
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top_offset -= columns_current * ROWS;
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break;
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}
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if (action == BA_REMOVE) {
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less = false;
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more = false;
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} else {
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less = top_offset > 0;
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more = entry_count > top_offset + (columns_new * ROWS);
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}
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memset(val1, 0, sizeof(float) * MAX_COLUMNS * ROWS);
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memset(val2, 0, sizeof(float) * MAX_COLUMNS * ROWS);
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if (first_set) {
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o1 = AE_OFFSET;
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o2 = AE_OFFSET + (MAX_COLUMNS * ROWS);
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} else {
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o1 = AE_OFFSET + (MAX_COLUMNS * ROWS);
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o2 = AE_OFFSET;
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}
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first_set = !first_set;
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focus = o2;
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xal = v_browser->widgets[0].coords.x;
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xar = v_browser->widgets[1].coords.x;
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if (columns_current == 1)
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x1 = (view_width - theme_gfx[THEME_APP_ENTRY]->w) / 2;
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else
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x1 = (view_width - (theme_gfx[THEME_GRID_APP_ENTRY]->w *
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columns_current)) / 2;
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if (columns_new == 1)
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x2 = (view_width - theme_gfx[THEME_APP_ENTRY]->w) / 2;
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else
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x2 = (view_width - (theme_gfx[THEME_GRID_APP_ENTRY]->w *
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columns_new)) / 2;
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if (action == BA_PREV) {
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xm = view_width / 2;
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x2 = -view_width + x2;
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} else {
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xm = -view_width / 2;
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x2 = view_width + x2;
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}
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y = 64;
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for (i = 0; i < (MAX_COLUMNS * ROWS); ++i)
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widget_free(&v_browser->widgets[o2 + i]);
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if (action != BA_REMOVE)
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for (i = 0; i < (columns_new * ROWS); ++i) {
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if (entry_count > top_offset + i) {
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entry = entries[top_offset + i];
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if (entry && (entry == app))
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focus += i;
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if (columns_new == 1)
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widget_app_entry(&v_browser->widgets[o2 + i],
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x2, y, 0, entry);
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else
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widget_grid_app_entry(&v_browser->widgets[o2 + i],
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x2 + ((i % columns_new) *
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theme_gfx[THEME_GRID_APP_ENTRY]->w),
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y, 0, entry);
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}
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if (((i+1) % columns_new) == 0)
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y += theme_gfx[THEME_APP_ENTRY]->h;
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}
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for (i = 0; i < TRANS_STEPS; ++i) {
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vala += stepa;
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s = roundf (156.0 * (cosf (vala) - 1));
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// adjust L/R button positions
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v_browser->widgets[0].coords.x = xal + s;
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v_browser->widgets[1].coords.x = xar - s;
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for (j = 0; j < MAX_COLUMNS * ROWS; ++j) {
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if ((i > j / columns_current) &&
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(i < TRANS_STEPS - (ROWS - j / columns_current)))
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val1[j] += step;
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if ((i > j / columns_new) &&
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(i < TRANS_STEPS - (ROWS - j / columns_new)))
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val2[j] += step;
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f1 = roundf (xm * (cosf (val1[j]) - 1));
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f2 = roundf (xm * (cosf (val2[j]) - 1));
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v_browser->widgets[o1 + j].coords.x = x1 - f1 +
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((j % columns_current) * theme_gfx[THEME_GRID_APP_ENTRY]->w);
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v_browser->widgets[o2 + j].coords.x = x2 - f2 +
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((j % columns_new) * theme_gfx[THEME_GRID_APP_ENTRY]->w);
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}
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view_plot (v_browser, 0, NULL, NULL, NULL);
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if (i == TRANS_STEPS / 2) {
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widget_set_flag (&v_browser->widgets[0], WF_VISIBLE, true);
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widget_set_flag (&v_browser->widgets[1], WF_VISIBLE, true);
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widget_set_flag (&v_browser->widgets[0], WF_VISIBLE, less);
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widget_set_flag (&v_browser->widgets[1], WF_VISIBLE, more);
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view_set_focus (v_browser, focus);
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}
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}
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for (i = 0; i < (MAX_COLUMNS * ROWS); ++i)
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widget_free(&v_browser->widgets[o1 + i]);
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columns_current = columns_new;
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if (action == BA_REMOVE)
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top_offset = 0;
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}
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void browser_set_focus(u32 bd) {
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if (columns_current == 1) {
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if (bd & PADS_UP) {
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view_set_focus_prev(v_browser);
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return;
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}
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if (bd & PADS_DOWN) {
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view_set_focus_next(v_browser);
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return;
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}
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return;
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} else {
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if (bd & PADS_LEFT) {
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view_set_focus_prev(v_browser);
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return;
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}
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if (bd & PADS_RIGHT) {
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view_set_focus_next(v_browser);
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return;
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}
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if (bd & PADS_UP) {
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view_move_focus(v_browser, -columns_current);
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return;
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}
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if (bd & PADS_DOWN) {
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view_move_focus(v_browser, columns_current);
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return;
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}
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return;
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}
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}
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app_entry *browser_sel(void) {
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if ((entry_count < 1) || (v_browser->focus < AE_OFFSET))
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return NULL;
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u32 i;
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if (first_set)
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i = top_offset + v_browser->focus - AE_OFFSET;
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else
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i = top_offset + v_browser->focus - (MAX_COLUMNS * ROWS) - AE_OFFSET;
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return entries[i];
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}
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void browser_switch_mode(void) {
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const app_entry *app = browser_sel();
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int mode = 0;
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if (columns_current == 1) {
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if (widescreen)
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columns_new = 4;
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else
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columns_new = 3;
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mode = 1;
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} else {
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columns_new = 1;
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}
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if (v_browser)
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browser_gen_view(BA_REFRESH, app);
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if (settings.browse_mode != mode)
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settings.browse_mode = mode;
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}
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