Package Manager: Auto select emulators that has roms present

src/packageManager/apply.h

@@ -0,0 +1,70 @@
+#ifndef PACMAN_APPLY_H__
+#define PACMAN_APPLY_H__
+
+#include "utils/file.h"
+#include "utils/log.h"
+
+#include "./fileActions.h"
+#include "./globals.h"
+
+void applyAllChanges(bool auto_update)
+{
+    // installation
+    char cmd[STR_MAX * 2 + 100];
+
+    SDL_Surface *surfaceBackground = IMG_Load("/mnt/SDCARD/.tmp_update/res/waitingBG.png");
+    SDL_Surface *surfaceMessage;
+
+    for (int nT = 0; nT < tab_count; nT++) {
+        const char *data_path = layer_dirs[nT];
+
+        if (strlen(data_path) == 0 || !exists(data_path))
+            continue;
+
+        SDL_Rect rectMessage = {10, 420, 603, 48};
+
+        for (int nLayer = 0; nLayer < package_count[nT]; nLayer++) {
+            Package *package = &packages[nT][nLayer];
+
+            bool should_apply =
+                auto_update || (package->installed && !package->complete) ||
+                package->changed;
+            bool should_install = package->installed != package->changed ||
+                                  (package->installed &&
+                                   !package->complete && !package->changed);
+
+            if (!should_apply)
+                continue;
+
+            if (should_install) {
+                printf_debug("Installing %s...\n", package->name);
+                SDL_BlitSurface(surfaceBackground, NULL, screen, NULL);
+
+                surfaceMessage = TTF_RenderUTF8_Blended(
+                    font35, package->name, color_white);
+                SDL_BlitSurface(surfaceMessage, NULL, screen, &rectMessage);
+                SDL_FreeSurface(surfaceMessage);
+
+                SDL_BlitSurface(screen, NULL, video, NULL);
+                SDL_Flip(video);
+
+                sprintf(cmd, "/mnt/SDCARD/.tmp_update/script/pacman_install.sh \"%s\" \"%s\"", data_path, package->name);
+                system(cmd);
+                sync();
+
+                callPackageInstaller(data_path, package->name, true);
+            }
+            else if (package->installed) {
+                printf_debug("Removing %s...\n", package->name);
+                callPackageInstaller(data_path, package->name, false);
+
+                // app removal
+                char pathAppUninstall[1000];
+                sprintf(pathAppUninstall, "%s/%s", data_path, package->name);
+                appUninstall(pathAppUninstall, strlen(pathAppUninstall));
+            }
+        }
+    }
+}
+
+#endif // PACMAN_APPLY_H__

src/packageManager/changes.h

@@ -0,0 +1,59 @@
+#ifndef PACMAN_CHANGES_H__
+#define PACMAN_CHANGES_H__
+
+#include "./globals.h"
+
+int changesInstalls(void)
+{
+    int total = 0;
+    for (int i = 0; i < tab_count; i++)
+        total += changes_installs[i];
+    return total;
+}
+
+int changesRemovals(void)
+{
+    int total = 0;
+    for (int i = 0; i < tab_count; i++)
+        total += changes_removals[i];
+    return total;
+}
+
+int changesTotal(void) { return changesInstalls() + changesRemovals(); }
+
+int totalInstalls(void)
+{
+    int total = 0;
+    for (int i = 0; i < tab_count; i++)
+        total += package_installed_count[i];
+    return total;
+}
+
+/**
+ * @brief Sets the "changed" value for each item and updates counts for a layer
+ * 
+ * @param mode 0: all off, 1: all on, 2: auto
+ * @param layer 
+ */
+void setItemsInstallValue(int mode, int layer)
+{
+    for (int i = 0; i < package_count[layer]; i++) {
+        Package *package = &packages[layer][i];
+        bool is_active = mode == 2 ? package->has_roms : mode;
+        bool new_value = is_active != package->installed;
+
+        if (package->changed != new_value) {
+            package->changed = new_value;
+
+            if (package->installed) {
+                changes_removals[layer] += new_value ? 1 : -1;
+                if (!package->complete)
+                    changes_installs[layer] += new_value ? -1 : 1;
+            }
+            else
+                changes_installs[layer] += new_value ? 1 : -1;
+        }
+    }
+}
+
+#endif // PACMAN_CHANGES_H__