feat: add in-memory project management

include/lardon3d/layout.h

@@ -5,6 +5,7 @@
 
 void lardon3d_layout_draw(
     const Lardon3DAppState *state,
+    const char *project_name_input,
     int rows,
     int cols
 );

include/lardon3d/project.h

@@ -0,0 +1,15 @@
+#ifndef LARDON3D_PROJECT_H
+#define LARDON3D_PROJECT_H
+
+#include <stdbool.h>
+
+#include <lardon3d/app_state.h>
+
+bool lardon3d_project_set_name(
+    Lardon3DAppState *state,
+    const char *name
+);
+
+void lardon3d_project_close(Lardon3DAppState *state);
+
+#endif

meson.build

@@ -27,6 +27,7 @@ executable(
         'src/app_state.c',
         'src/tui.c',
         'src/layout.c',
+        'src/project.c',
     ],
     include_directories: include_directories('include'),
     dependencies: [ncursesw],

src/layout.c

@@ -64,6 +64,7 @@ screen_texts(
     case LARDON3D_SCREEN_PROJECTS:
         *title = "Projets";
         *content = "Gestion des projets";
+        *footer = "N Nouveau projet   C Fermer le projet   ESC Accueil   Q Quit";
         break;
     case LARDON3D_SCREEN_IMPORT:
         *title = "Import";
@@ -87,7 +88,39 @@ screen_texts(
 }
 
 static void
-draw_content(const Lardon3DAppState *state, int rows, int columns)
+draw_project_screen(const char *project_name_input, int columns)
+{
+    draw_text(6, 4, columns - 6, "N : Nouveau projet");
+    draw_text(7, 4, columns - 6, "C : Fermer le projet");
+    draw_text(8, 4, columns - 6, "ESC : Accueil");
+    draw_text(9, 4, columns - 6, "Q : Quitter");
+
+    if (!project_name_input) {
+        return;
+    }
+
+    draw_text(10, 4, columns - 6, "Nom du nouveau projet :");
+    (void)mvaddch(11, 2, '[');
+    (void)mvaddch(11, columns - 3, ']');
+
+    int available = columns - 8;
+    size_t length = strlen(project_name_input);
+    const char *visible = project_name_input;
+    if (length > (size_t)available) {
+        visible += length - (size_t)available;
+        length = (size_t)available;
+    }
+    draw_text(11, 4, available, visible);
+    (void)move(11, 4 + (int)length);
+}
+
+static void
+draw_content(
+    const Lardon3DAppState *state,
+    const char *project_name_input,
+    int rows,
+    int columns
+)
 {
     const char *title;
     const char *content;
@@ -103,12 +136,16 @@ draw_content(const Lardon3DAppState *state, int rows, int columns)
     draw_text(1, (columns - title_length) / 2, title_length, title);
     draw_text(3, 2, columns - 4, "Projet");
     draw_text(4, 4, columns - 6, project);
+    if (state->screen == LARDON3D_SCREEN_PROJECTS) {
+        draw_project_screen(project_name_input, columns);
+    } else {
         draw_text(
             (3 + journal_row) / 2,
             (columns - content_length) / 2,
             content_length,
             content
         );
+    }
     draw_text(journal_row + 1, 2, columns - 4, "Journal");
     draw_text(journal_row + 2, 4, columns - 6, state->status_message);
     draw_text(rows - 2, 2, columns - 4, footer);
@@ -117,6 +154,7 @@ draw_content(const Lardon3DAppState *state, int rows, int columns)
 void
 lardon3d_layout_draw(
     const Lardon3DAppState *state,
+    const char *project_name_input,
     int rows,
     int columns
 )
@@ -127,7 +165,7 @@ lardon3d_layout_draw(
         draw_too_small(rows, columns);
     } else {
         draw_frame(rows, columns);
-        draw_content(state, rows, columns);
+        draw_content(state, project_name_input, rows, columns);
     }
 
     (void)refresh();

src/project.c

@@ -0,0 +1,87 @@
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <lardon3d/project.h>
+
+bool
+lardon3d_project_set_name(Lardon3DAppState *state, const char *name)
+{
+    if (!state) {
+        return false;
+    }
+
+    if (!name) {
+        (void)snprintf(
+            state->status_message,
+            sizeof(state->status_message),
+            "Erreur : le nom du projet est vide."
+        );
+        return false;
+    }
+
+    const char *start = name;
+    while (*start && isspace((unsigned char)*start)) {
+        ++start;
+    }
+
+    const char *end = name + strlen(name);
+    while (end > start && isspace((unsigned char)end[-1])) {
+        --end;
+    }
+
+    size_t length = (size_t)(end - start);
+    if (length == 0) {
+        (void)snprintf(
+            state->status_message,
+            sizeof(state->status_message),
+            "Erreur : le nom du projet est vide."
+        );
+        return false;
+    }
+
+    if (length >= sizeof(state->project_name)) {
+        (void)snprintf(
+            state->status_message,
+            sizeof(state->status_message),
+            "Erreur : le nom du projet est trop long."
+        );
+        return false;
+    }
+
+    (void)memcpy(state->project_name, start, length);
+    state->project_name[length] = '\0';
+    state->project_loaded = true;
+    (void)snprintf(
+        state->status_message,
+        sizeof(state->status_message),
+        "Projet créé : %s",
+        state->project_name
+    );
+    return true;
+}
+
+void
+lardon3d_project_close(Lardon3DAppState *state)
+{
+    if (!state) {
+        return;
+    }
+
+    if (!state->project_loaded) {
+        (void)snprintf(
+            state->status_message,
+            sizeof(state->status_message),
+            "Aucun projet à fermer."
+        );
+        return;
+    }
+
+    state->project_loaded = false;
+    state->project_name[0] = '\0';
+    (void)snprintf(
+        state->status_message,
+        sizeof(state->status_message),
+        "Projet fermé."
+    );
+}

src/tui.c

@@ -1,16 +1,143 @@
+#include <ctype.h>
+#include <limits.h>
 #include <ncurses.h>
 #include <stdbool.h>
+#include <stdio.h>
 
 #include <lardon3d/layout.h>
+#include <lardon3d/project.h>
 #include <lardon3d/tui.h>
 
+enum {
+    PROJECT_INPUT_CAPACITY = 256,
+    MINIMUM_ROWS = 20,
+    MINIMUM_COLUMNS = 72,
+};
+
+typedef struct {
+    bool active;
+    char text[PROJECT_INPUT_CAPACITY];
+    size_t length;
+} ProjectInput;
+
 static void
-redraw(const Lardon3DAppState *state)
+redraw(const Lardon3DAppState *state, const ProjectInput *input)
 {
     int rows;
     int columns;
     getmaxyx(stdscr, rows, columns);
-    lardon3d_layout_draw(state, rows, columns);
+
+    const char *text = input->active ? input->text : NULL;
+    lardon3d_layout_draw(state, text, rows, columns);
+    (void)curs_set(
+        input->active && rows >= MINIMUM_ROWS && columns >= MINIMUM_COLUMNS
+            ? 1
+            : 0
+    );
+}
+
+static bool
+handle_project_input(
+    Lardon3DAppState *state,
+    ProjectInput *input,
+    int key
+)
+{
+    if (key == KEY_RESIZE) {
+        return true;
+    }
+
+    if (key == 27) {
+        input->active = false;
+        (void)snprintf(
+            state->status_message,
+            sizeof(state->status_message),
+            "Création du projet annulée."
+        );
+        return true;
+    }
+
+    if (key == '\n' || key == '\r' || key == KEY_ENTER) {
+        (void)lardon3d_project_set_name(state, input->text);
+        input->active = false;
+        return true;
+    }
+
+    if (key == KEY_BACKSPACE || key == 127 || key == '\b') {
+        if (input->length > 0) {
+            --input->length;
+            input->text[input->length] = '\0';
+        }
+        return true;
+    }
+
+    if (key >= 0 && key <= UCHAR_MAX && isprint((unsigned char)key)) {
+        if (input->length + 1 >= sizeof(input->text)) {
+            (void)lardon3d_project_set_name(state, input->text);
+            input->active = false;
+            return true;
+        }
+
+        input->text[input->length] = (char)key;
+        ++input->length;
+        input->text[input->length] = '\0';
+        return true;
+    }
+
+    return false;
+}
+
+static bool
+handle_normal_input(
+    Lardon3DAppState *state,
+    ProjectInput *input,
+    int key
+)
+{
+    if (key == 'q' || key == 'Q') {
+        state->running = false;
+        return false;
+    }
+
+    switch (key) {
+    case KEY_F(1):
+        state->screen = LARDON3D_SCREEN_HELP;
+        return true;
+    case KEY_F(2):
+        state->screen = LARDON3D_SCREEN_PROJECTS;
+        return true;
+    case KEY_F(3):
+        state->screen = LARDON3D_SCREEN_IMPORT;
+        return true;
+    case KEY_F(4):
+        state->screen = LARDON3D_SCREEN_VIEWER;
+        return true;
+    case 27:
+        state->screen = LARDON3D_SCREEN_HOME;
+        return true;
+    case KEY_RESIZE:
+        return true;
+    case 'n':
+    case 'N':
+        if (state->screen == LARDON3D_SCREEN_PROJECTS) {
+            *input = (ProjectInput) {
+                .active = true,
+                .text = "",
+                .length = 0,
+            };
+            return true;
+        }
+        return false;
+    case 'c':
+    case 'C':
+        if (state->screen == LARDON3D_SCREEN_PROJECTS) {
+            lardon3d_project_close(state);
+            return true;
+        }
+        return false;
+    default:
+        return false;
+    }
 }
 
 bool
@@ -36,45 +163,21 @@ lardon3d_tui_run(Lardon3DAppState *state)
         return false;
     }
 
-    redraw(state);
+    ProjectInput input = {0};
+    redraw(state, &input);
 
     while (state->running) {
         int key = getch();
-
-        if (key == 'q' || key == 'Q') {
-            state->running = false;
-            continue;
-        }
         if (key == ERR) {
             return false;
         }
 
-        bool should_redraw = true;
-        switch (key) {
-        case KEY_F(1):
-            state->screen = LARDON3D_SCREEN_HELP;
-            break;
-        case KEY_F(2):
-            state->screen = LARDON3D_SCREEN_PROJECTS;
-            break;
-        case KEY_F(3):
-            state->screen = LARDON3D_SCREEN_IMPORT;
-            break;
-        case KEY_F(4):
-            state->screen = LARDON3D_SCREEN_VIEWER;
-            break;
-        case 27:
-            state->screen = LARDON3D_SCREEN_HOME;
-            break;
-        case KEY_RESIZE:
-            break;
-        default:
-            should_redraw = false;
-            break;
-        }
+        bool should_redraw = input.active
+            ? handle_project_input(state, &input, key)
+            : handle_normal_input(state, &input, key);
 
         if (should_redraw) {
-            redraw(state);
+            redraw(state, &input);
         }
     }