feat: add common dialogs, i.e. open/save dialog

programs/src/pdfviewer/main.cpp

@@ -5,6 +5,7 @@
  */
 
 #include "pdfviewer.h"
+#include <gui/dialogs.hpp>
 #include <gui/standalone.hpp>
 
 // ============================================================================
@@ -37,14 +38,15 @@ char g_status_msg[128] = {};
 // Toolbar hit-testing constants
 // ============================================================================
 
-// Toolbar buttons: Open | < > | - +
+// Toolbar buttons: Open | Print | < > | - +
 static constexpr int TB_OPEN_X0 = 4, TB_OPEN_X1 = 40;
-// separator at 48
-static constexpr int TB_PREV_X0 = 56, TB_PREV_X1 = 80;
-static constexpr int TB_NEXT_X0 = 84, TB_NEXT_X1 = 108;
-// separator at 116
-static constexpr int TB_ZOUT_X0 = 124, TB_ZOUT_X1 = 148;
-static constexpr int TB_ZIN_X0  = 152, TB_ZIN_X1  = 176;
+static constexpr int TB_PRINT_X0 = 44, TB_PRINT_X1 = 80;
+// separator at 88
+static constexpr int TB_PREV_X0 = 96, TB_PREV_X1 = 120;
+static constexpr int TB_NEXT_X0 = 124, TB_NEXT_X1 = 148;
+// separator at 156
+static constexpr int TB_ZOUT_X0 = 164, TB_ZOUT_X1 = 188;
+static constexpr int TB_ZIN_X0  = 192, TB_ZIN_X1  = 216;
 
 // ============================================================================
 // Helpers
@@ -66,6 +68,15 @@ static void clamp_scroll() {
     if (g_scroll_y > ms) g_scroll_y = ms;
 }
 
+static const char* file_basename(const char* path) {
+    if (!path || !path[0]) return "";
+    const char* name = path;
+    for (int i = 0; path[i]; i++) {
+        if (path[i] == '/') name = path + i + 1;
+    }
+    return name;
+}
+
 static void go_to_page(int page) {
     if (page < 0) page = 0;
     if (page >= g_doc.page_count) page = g_doc.page_count - 1;
@@ -99,6 +110,40 @@ static void open_file(const char* path) {
     }
 }
 
+static void open_inline_pathbar(const char* initial_text) {
+    g_pathbar_open = true;
+    if (!initial_text) initial_text = "";
+    str_cpy(g_pathbar_text, initial_text, sizeof(g_pathbar_text));
+    g_pathbar_len = str_len(g_pathbar_text);
+    g_pathbar_cursor = g_pathbar_len;
+}
+
+static void open_file_dialog() {
+    char path[256] = {};
+    if (dialogs::open_file("Open PDF", g_filepath, path, sizeof(path), g_status_msg, sizeof(g_status_msg))) {
+        open_file(path);
+    } else if (g_status_msg[0]) {
+        open_inline_pathbar(g_filepath);
+    }
+}
+
+static void print_file_dialog() {
+    if (!g_filepath[0]) {
+        str_cpy(g_status_msg, "Open a PDF before printing", sizeof(g_status_msg));
+        return;
+    }
+
+    char job_id[64] = {};
+    char msg[128] = {};
+    if (dialogs::print_file("Print PDF", g_filepath, file_basename(g_filepath),
+                            job_id, sizeof(job_id), msg, sizeof(msg))) {
+        if (msg[0]) str_cpy(g_status_msg, msg, sizeof(g_status_msg));
+        else str_cpy(g_status_msg, "Print job queued", sizeof(g_status_msg));
+    } else if (msg[0]) {
+        str_cpy(g_status_msg, msg, sizeof(g_status_msg));
+    }
+}
+
 // ============================================================================
 // Entry point
 // ============================================================================
@@ -126,9 +171,7 @@ extern "C" void _start() {
     // Build window title
     char title[64] = "PDF Viewer";
     if (g_filepath[0]) {
-        const char* fname = g_filepath;
-        for (int i = 0; g_filepath[i]; i++)
-            if (g_filepath[i] == '/') fname = g_filepath + i + 1;
+        const char* fname = file_basename(g_filepath);
         snprintf(title, 64, "%s - PDF Viewer", fname);
     }
 
@@ -211,10 +254,12 @@ extern "C" void _start() {
             }
             // Ctrl+O: open file
             else if (key.ctrl && (key.ascii == 'o' || key.ascii == 'O' || key.ascii == 15)) {
-                g_pathbar_open = true;
-                g_pathbar_text[0] = '\0';
-                g_pathbar_len = 0;
-                g_pathbar_cursor = 0;
+                open_file_dialog();
+                redraw = true;
+            }
+            // Ctrl+P: print file
+            else if (key.ctrl && (key.ascii == 'p' || key.ascii == 'P' || key.ascii == 16)) {
+                print_file_dialog();
                 redraw = true;
             }
             // Page Down / Right arrow: next page
@@ -288,10 +333,10 @@ extern "C" void _start() {
 
             if (clicked && my < TOOLBAR_H && my >= TB_BTN_Y && my < TB_BTN_Y + TB_BTN_SIZE) {
                 if (mx >= TB_OPEN_X0 && mx < TB_OPEN_X1) {
-                    g_pathbar_open = true;
-                    g_pathbar_text[0] = '\0';
-                    g_pathbar_len = 0;
-                    g_pathbar_cursor = 0;
+                    open_file_dialog();
+                    redraw = true;
+                } else if (mx >= TB_PRINT_X0 && mx < TB_PRINT_X1) {
+                    print_file_dialog();
                     redraw = true;
                 } else if (mx >= TB_PREV_X0 && mx < TB_PREV_X1 && g_doc.valid) {
                     go_to_page(g_current_page - 1);

programs/src/pdfviewer/render.cpp

@@ -180,8 +180,9 @@ void render(uint32_t* pixels) {
         bx += 8;
     };
 
-    // Open
+    // Open / Print
     tb_btn(36, false, "Open");
+    tb_btn(36, false, "Print");
     tb_sep();
 
     // Navigation