From 28cbb294051d47a1dd0731333dd103132b6ae793 Mon Sep 17 00:00:00 2001 From: Jedidiah Barber Date: Sun, 22 Dec 2024 21:21:51 +1300 Subject: Added Fl_File_Browser --- src/c_fl_file_browser.cpp | 393 ++++++++++++++ src/c_fl_file_browser.h | 83 +++ src/fltk-widgets-groups-browsers-textline-file.adb | 567 +++++++++++++++++++++ src/fltk-widgets-groups-browsers-textline-file.ads | 118 +++++ src/fltk-widgets-groups-browsers-textline.adb | 8 +- 5 files changed, 1168 insertions(+), 1 deletion(-) create mode 100644 src/c_fl_file_browser.cpp create mode 100644 src/c_fl_file_browser.h create mode 100644 src/fltk-widgets-groups-browsers-textline-file.adb create mode 100644 src/fltk-widgets-groups-browsers-textline-file.ads (limited to 'src') diff --git a/src/c_fl_file_browser.cpp b/src/c_fl_file_browser.cpp new file mode 100644 index 0000000..836a991 --- /dev/null +++ b/src/c_fl_file_browser.cpp @@ -0,0 +1,393 @@ + + +// Programmed by Jedidiah Barber +// Released into the public domain + + +#include +#include +#include "c_fl_file_browser.h" + + + + +// Exports from Ada + +extern "C" int browser_full_width_hook(void * b); +extern "C" int browser_full_height_hook(void * b); +extern "C" int browser_incr_height_hook(void * b); +extern "C" int browser_item_quick_height_hook(void * b, void * i); + +extern "C" int browser_item_width_hook(void * b, void * i); +extern "C" int browser_item_height_hook(void * b, void * i); +extern "C" void * browser_item_first_hook(void * b); +extern "C" void * browser_item_last_hook(void * b); +extern "C" void * browser_item_next_hook(void * b, void * i); +extern "C" void * browser_item_prev_hook(void * b, void * i); +extern "C" void * browser_item_at_hook(void * b, int n); +extern "C" void browser_item_select_hook(void * b, void * i, int s); +extern "C" int browser_item_selected_hook(void * b, void * i); +extern "C" void browser_item_swap_hook(void * b, void * one, void * two); +extern "C" const char * browser_item_text_hook(void * b, void * i); +extern "C" void browser_item_draw_hook(void * b, void * i, int x, int y, int w, int h); + +extern "C" void widget_draw_hook(void * ud); +extern "C" int widget_handle_hook(void * ud, int e); + + + + +// Attaching all relevant hooks and friends + +class My_File_Browser : public Fl_File_Browser { +public: + using Fl_File_Browser::Fl_File_Browser; + + friend int fl_file_browser_item_width(FILEBROWSER b, void * item); + friend int fl_file_browser_item_height(FILEBROWSER b, void * item); + friend void * fl_file_browser_item_first(FILEBROWSER b); + friend void * fl_file_browser_item_last(FILEBROWSER b); + friend void * fl_file_browser_item_next(FILEBROWSER b, void * item); + friend void * fl_file_browser_item_prev(FILEBROWSER b, void * item); + friend void * fl_file_browser_item_at(FILEBROWSER b, int index); + friend void fl_file_browser_item_select(FILEBROWSER b, void * item, int val); + friend int fl_file_browser_item_selected(FILEBROWSER b, void * item); + friend void fl_file_browser_item_swap(FILEBROWSER b, void * x, void * y); + friend const char * fl_file_browser_item_text(FILEBROWSER b, void * item); + friend void fl_file_browser_item_draw(FILEBROWSER b, void * item, int x, int y, int w, int h); + + friend int fl_file_browser_lineno(FILEBROWSER b, void * item); + + friend void * fl_file_browser_selection(FILEBROWSER c); + friend int fl_file_browser_displayed2(FILEBROWSER c, void * i); + friend void * fl_file_browser_find_item(FILEBROWSER c, int y); + friend void * fl_file_browser_top(FILEBROWSER c); + + friend void fl_file_browser_bbox(FILEBROWSER c, int &x, int &y, int &w, int &h); + friend int fl_file_browser_leftedge(FILEBROWSER c); + friend void fl_file_browser_redraw_line(FILEBROWSER c, void * i); + friend void fl_file_browser_redraw_lines(FILEBROWSER c); + + friend int fl_file_browser_full_width(FILEBROWSER c); + friend int fl_file_browser_full_height(FILEBROWSER c); + friend int fl_file_browser_incr_height(FILEBROWSER c); + friend int fl_file_browser_item_quick_height(FILEBROWSER c, void * i); + + friend void fl_file_browser_new_list(FILEBROWSER b); + friend void fl_file_browser_inserting(FILEBROWSER b, void * a1, void * a2); + friend void fl_file_browser_deleting(FILEBROWSER b, void * item); + friend void fl_file_browser_replacing(FILEBROWSER b, void * a1, void * a2); + friend void fl_file_browser_swapping(FILEBROWSER b, void * a1, void * a2); + + friend void fl_file_browser_draw(FILEBROWSER b); + + int handle(int e); + +protected: + int full_width() const; + int full_height() const; + int incr_height() const; + int item_quick_height(void * item) const; + + int item_width(void * item) const; + int item_height(void * item) const; + void * item_first() const; + void * item_last() const; + void * item_next(void * item) const; + void * item_prev(void * item) const; + void * item_at(int index) const; + void item_select(void * item, int val=1); + int item_selected(void * item) const; + void item_swap(void * a, void * b); + const char * item_text(void * item) const; + void item_draw(void * item, int x, int y, int w, int h) const; + + void draw(); +}; + + +int My_File_Browser::full_width() const { + return browser_full_width_hook(this->user_data()); +} + +int My_File_Browser::full_height() const { + return browser_full_height_hook(this->user_data()); +} + +int My_File_Browser::incr_height() const { + return browser_incr_height_hook(this->user_data()); +} + +int My_File_Browser::item_quick_height(void * item) const { + return browser_item_quick_height_hook(this->user_data(), item); +} + + +int My_File_Browser::item_width(void * item) const { + return browser_item_width_hook(this->user_data(), item); +} + +int My_File_Browser::item_height(void * item) const { + return browser_item_height_hook(this->user_data(), item); +} + +void * My_File_Browser::item_first() const { + return browser_item_first_hook(this->user_data()); +} + +void * My_File_Browser::item_last() const { + return browser_item_last_hook(this->user_data()); +} + +void * My_File_Browser::item_next(void * item) const { + return browser_item_next_hook(this->user_data(), item); +} + +void * My_File_Browser::item_prev(void * item) const { + return browser_item_prev_hook(this->user_data(), item); +} + +void * My_File_Browser::item_at(int index) const { + return browser_item_at_hook(this->user_data(), index); +} + +void My_File_Browser::item_select(void * item, int val) { + browser_item_select_hook(this->user_data(), item, val); +} + +int My_File_Browser::item_selected(void * item) const { + return browser_item_selected_hook(this->user_data(), item); +} + +void My_File_Browser::item_swap(void * a, void * b) { + browser_item_swap_hook(this->user_data(), a, b); +} + +const char * My_File_Browser::item_text(void * item) const { + return browser_item_text_hook(this->user_data(), item); +} + +void My_File_Browser::item_draw(void * item, int x, int y, int w, int h) const { + browser_item_draw_hook(this->user_data(), item, x, y, w, h); +} + + +void My_File_Browser::draw() { + widget_draw_hook(this->user_data()); +} + +int My_File_Browser::handle(int e) { + return widget_handle_hook(this->user_data(), e); +} + + + + +// Flattened C API begins here + +FILEBROWSER new_fl_file_browser(int x, int y, int w, int h, char * label) { + My_File_Browser *b = new My_File_Browser(x, y, w, h, label); + return b; +} + +void free_fl_file_browser(FILEBROWSER b) { + delete reinterpret_cast(b); +} + + + + +int fl_file_browser_load(FILEBROWSER b, const char * d, void * s) { + return reinterpret_cast(b)->load(d, reinterpret_cast(s)); +} + + + + +int fl_file_browser_get_filetype(FILEBROWSER b) { + return reinterpret_cast(b)->filetype(); +} + +void fl_file_browser_set_filetype(FILEBROWSER b, int f) { + reinterpret_cast(b)->filetype(f); +} + +const char * fl_file_browser_get_filter(FILEBROWSER b) { + return reinterpret_cast(b)->filter(); +} + +void fl_file_browser_set_filter(FILEBROWSER b, const char * f) { + reinterpret_cast(b)->filter(f); +} + +unsigned char fl_file_browser_get_iconsize(FILEBROWSER b) { + return reinterpret_cast(b)->iconsize(); +} + +void fl_file_browser_set_iconsize(FILEBROWSER b, unsigned int i) { + reinterpret_cast(b)->iconsize(i); +} + +int fl_file_browser_get_textsize(FILEBROWSER b) { + return reinterpret_cast(b)->textsize(); +} + +void fl_file_browser_set_textsize(FILEBROWSER b, int s) { + reinterpret_cast(b)->textsize(s); +} + + + + +// These have to be reimplemented due to relying on custom class extensions + +int fl_file_browser_full_height(FILEBROWSER c) { + return reinterpret_cast(c)->Fl_Browser::full_height(); +} + +int fl_file_browser_incr_height(FILEBROWSER c) { + return reinterpret_cast(c)->Fl_Browser::incr_height(); +} + + + + +int fl_file_browser_item_width(FILEBROWSER b, void * item) { + return reinterpret_cast(b)->item_width(item); +} + +int fl_file_browser_item_height(FILEBROWSER b, void * item) { + return reinterpret_cast(b)->item_height(item); +} + +void * fl_file_browser_item_first(FILEBROWSER b) { + return reinterpret_cast(b)->item_first(); +} + +void * fl_file_browser_item_last(FILEBROWSER b) { + return reinterpret_cast(b)->item_last(); +} + +void * fl_file_browser_item_next(FILEBROWSER b, void * item) { + return reinterpret_cast(b)->item_next(item); +} + +void * fl_file_browser_item_prev(FILEBROWSER b, void * item) { + return reinterpret_cast(b)->item_prev(item); +} + +void * fl_file_browser_item_at(FILEBROWSER b, int index) { + return reinterpret_cast(b)->item_at(index); +} + +void fl_file_browser_item_select(FILEBROWSER b, void * item, int val) { + reinterpret_cast(b)->item_select(item, val); +} + +int fl_file_browser_item_selected(FILEBROWSER b, void * item) { + return reinterpret_cast(b)->item_selected(item); +} + +void fl_file_browser_item_swap(FILEBROWSER b, void * x, void * y) { + reinterpret_cast(b)->item_swap(x, y); +} + +const char * fl_file_browser_item_text(FILEBROWSER b, void * item) { + return reinterpret_cast(b)->item_text(item); +} + +void fl_file_browser_item_draw(FILEBROWSER b, void * item, int x, int y, int w, int h) { + reinterpret_cast(b)->item_draw(item, x, y, w, h); +} + + + + +int fl_file_browser_lineno(FILEBROWSER b, void * item) { + return reinterpret_cast(b)->lineno(item); +} + + + + +void * fl_file_browser_selection(FILEBROWSER c) { + return reinterpret_cast(c)->selection(); +} + +int fl_file_browser_displayed2(FILEBROWSER c, void * i) { + return reinterpret_cast(c)->Fl_Browser_::displayed(i); +} + +void * fl_file_browser_find_item(FILEBROWSER c, int y) { + return reinterpret_cast(c)->find_item(y); +} + +void * fl_file_browser_top(FILEBROWSER c) { + return reinterpret_cast(c)->top(); +} + + + + +void fl_file_browser_bbox(FILEBROWSER c, int &x, int &y, int &w, int &h) { + reinterpret_cast(c)->bbox(x, y, w, h); +} + +int fl_file_browser_leftedge(FILEBROWSER c) { + return reinterpret_cast(c)->leftedge(); +} + +void fl_file_browser_redraw_line(FILEBROWSER c, void * i) { + reinterpret_cast(c)->redraw_line(i); +} + +void fl_file_browser_redraw_lines(FILEBROWSER c) { + reinterpret_cast(c)->redraw_lines(); +} + + + + +int fl_file_browser_full_width(FILEBROWSER c) { + return reinterpret_cast(c)->Fl_Browser::full_width(); +} + +int fl_file_browser_item_quick_height(FILEBROWSER c, void * i) { + return reinterpret_cast(c)->Fl_Browser::item_quick_height(i); +} + + + + +void fl_file_browser_new_list(FILEBROWSER b) { + reinterpret_cast(b)->new_list(); +} + +void fl_file_browser_inserting(FILEBROWSER b, void * a1, void * a2) { + reinterpret_cast(b)->inserting(a1, a2); +} + +void fl_file_browser_deleting(FILEBROWSER b, void * item) { + reinterpret_cast(b)->deleting(item); +} + +void fl_file_browser_replacing(FILEBROWSER b, void * a1, void * a2) { + reinterpret_cast(b)->replacing(a1, a2); +} + +void fl_file_browser_swapping(FILEBROWSER b, void * a1, void * a2) { + reinterpret_cast(b)->swapping(a1, a2); +} + + + + +void fl_file_browser_draw(FILEBROWSER b) { + reinterpret_cast(b)->Fl_Browser::draw(); +} + +int fl_file_browser_handle(FILEBROWSER b, int e) { + return reinterpret_cast(b)->Fl_Browser::handle(e); +} + + diff --git a/src/c_fl_file_browser.h b/src/c_fl_file_browser.h new file mode 100644 index 0000000..3ab5c61 --- /dev/null +++ b/src/c_fl_file_browser.h @@ -0,0 +1,83 @@ + + +// Programmed by Jedidiah Barber +// Released into the public domain + + +#ifndef FL_FILE_BROWSER_GUARD +#define FL_FILE_BROWSER_GUARD + + +typedef void* FILEBROWSER; + + +extern "C" FILEBROWSER new_fl_file_browser(int x, int y, int w, int h, char * label); +extern "C" void free_fl_file_browser(FILEBROWSER b); + + +extern "C" int fl_file_browser_load(FILEBROWSER b, const char * d, void * s); + + +extern "C" int fl_file_browser_get_filetype(FILEBROWSER b); +extern "C" void fl_file_browser_set_filetype(FILEBROWSER b, int f); +extern "C" const char * fl_file_browser_get_filter(FILEBROWSER b); +extern "C" void fl_file_browser_set_filter(FILEBROWSER b, const char * f); +extern "C" unsigned char fl_file_browser_get_iconsize(FILEBROWSER b); +extern "C" void fl_file_browser_set_iconsize(FILEBROWSER b, unsigned int i); +extern "C" int fl_file_browser_get_textsize(FILEBROWSER b); +extern "C" void fl_file_browser_set_textsize(FILEBROWSER b, int s); + + +// reimp below here + +extern "C" int fl_file_browser_full_height(FILEBROWSER c); +extern "C" int fl_file_browser_incr_height(FILEBROWSER c); + + +extern "C" int fl_file_browser_item_width(FILEBROWSER b, void * item); +extern "C" int fl_file_browser_item_height(FILEBROWSER b, void * item); +extern "C" void * fl_file_browser_item_first(FILEBROWSER b); +extern "C" void * fl_file_browser_item_last(FILEBROWSER b); +extern "C" void * fl_file_browser_item_next(FILEBROWSER b, void * item); +extern "C" void * fl_file_browser_item_prev(FILEBROWSER b, void * item); +extern "C" void * fl_file_browser_item_at(FILEBROWSER b, int index); +extern "C" void fl_file_browser_item_select(FILEBROWSER b, void * item, int val=1); +extern "C" int fl_file_browser_item_selected(FILEBROWSER b, void * item); +extern "C" void fl_file_browser_item_swap(FILEBROWSER b, void * x, void * y); +extern "C" const char * fl_file_browser_item_text(FILEBROWSER b, void * item); +extern "C" void fl_file_browser_item_draw(FILEBROWSER b, void * item, int x, int y, int w, int h); + + +extern "C" int fl_file_browser_lineno(FILEBROWSER b, void * item); + + +extern "C" void * fl_file_browser_selection(FILEBROWSER c); +extern "C" int fl_file_browser_displayed2(FILEBROWSER c, void * i); +extern "C" void * fl_file_browser_find_item(FILEBROWSER c, int y); +extern "C" void * fl_file_browser_top(FILEBROWSER c); + + +extern "C" void fl_file_browser_bbox(FILEBROWSER c, int &x, int &y, int &w, int &h); +extern "C" int fl_file_browser_leftedge(FILEBROWSER c); +extern "C" void fl_file_browser_redraw_line(FILEBROWSER c, void * i); +extern "C" void fl_file_browser_redraw_lines(FILEBROWSER c); + + +extern "C" int fl_file_browser_full_width(FILEBROWSER c); +extern "C" int fl_file_browser_item_quick_height(FILEBROWSER c, void * i); + + +extern "C" void fl_file_browser_new_list(FILEBROWSER b); +extern "C" void fl_file_browser_inserting(FILEBROWSER b, void * a1, void * a2); +extern "C" void fl_file_browser_deleting(FILEBROWSER b, void * item); +extern "C" void fl_file_browser_replacing(FILEBROWSER b, void * a1, void * a2); +extern "C" void fl_file_browser_swapping(FILEBROWSER b, void * a1, void * a2); + + +extern "C" void fl_file_browser_draw(FILEBROWSER b); +extern "C" int fl_file_browser_handle(FILEBROWSER b, int e); + + +#endif + + diff --git a/src/fltk-widgets-groups-browsers-textline-file.adb b/src/fltk-widgets-groups-browsers-textline-file.adb new file mode 100644 index 0000000..c73e5e4 --- /dev/null +++ b/src/fltk-widgets-groups-browsers-textline-file.adb @@ -0,0 +1,567 @@ + + +-- Programmed by Jedidiah Barber +-- Released into the public domain + + +with + + Interfaces.C.Strings; + +use type + + Interfaces.C.int, + Interfaces.C.Strings.chars_ptr; + + +package body FLTK.Widgets.Groups.Browsers.Textline.File is + + + ------------------------ + -- Functions From C -- + ------------------------ + + function get_error_message + return Interfaces.C.Strings.chars_ptr; + pragma Import (C, get_error_message, "get_error_message"); + pragma Inline (get_error_message); + + function filename_dname + (L : in Storage.Integer_Address; + N : in Interfaces.C.int) + return Interfaces.C.Strings.chars_ptr; + pragma Import (C, filename_dname, "filename_dname"); + pragma Inline (filename_dname); + + + + + function new_fl_file_browser + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return Storage.Integer_Address; + pragma Import (C, new_fl_file_browser, "new_fl_file_browser"); + pragma Inline (new_fl_file_browser); + + procedure free_fl_file_browser + (B : in Storage.Integer_Address); + pragma Import (C, free_fl_file_browser, "free_fl_file_browser"); + pragma Inline (free_fl_file_browser); + + + + + function fl_file_browser_load + (B : in Storage.Integer_Address; + D : in Interfaces.C.char_array; + S : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_load, "fl_file_browser_load"); + pragma Inline (fl_file_browser_load); + + + + + function fl_file_browser_get_filetype + (B : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_get_filetype, "fl_file_browser_get_filetype"); + pragma Inline (fl_file_browser_get_filetype); + + procedure fl_file_browser_set_filetype + (B : in Storage.Integer_Address; + F : in Interfaces.C.int); + pragma Import (C, fl_file_browser_set_filetype, "fl_file_browser_set_filetype"); + pragma Inline (fl_file_browser_set_filetype); + + function fl_file_browser_get_filter + (B : in Storage.Integer_Address) + return Interfaces.C.Strings.chars_ptr; + pragma Import (C, fl_file_browser_get_filter, "fl_file_browser_get_filter"); + pragma Inline (fl_file_browser_get_filter); + + procedure fl_file_browser_set_filter + (B : in Storage.Integer_Address; + F : in Interfaces.C.char_array); + pragma Import (C, fl_file_browser_set_filter, "fl_file_browser_set_filter"); + pragma Inline (fl_file_browser_set_filter); + + function fl_file_browser_get_iconsize + (B : in Storage.Integer_Address) + return Interfaces.C.unsigned_char; + pragma Import (C, fl_file_browser_get_iconsize, "fl_file_browser_get_iconsize"); + pragma Inline (fl_file_browser_get_iconsize); + + procedure fl_file_browser_set_iconsize + (B : in Storage.Integer_Address; + I : in Interfaces.C.unsigned_char); + pragma Import (C, fl_file_browser_set_iconsize, "fl_file_browser_set_iconsize"); + pragma Inline (fl_file_browser_set_iconsize); + + function fl_file_browser_get_textsize + (B : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_get_textsize, "fl_file_browser_get_textsize"); + pragma Inline (fl_file_browser_get_textsize); + + procedure fl_file_browser_set_textsize + (B : in Storage.Integer_Address; + S : in Interfaces.C.int); + pragma Import (C, fl_file_browser_set_textsize, "fl_file_browser_set_textsize"); + pragma Inline (fl_file_browser_set_textsize); + + + + + function fl_file_browser_item_width + (B, I : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_item_width, "fl_file_browser_item_width"); + pragma Inline (fl_file_browser_item_width); + + function fl_file_browser_item_height + (B, I : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_item_height, "fl_file_browser_item_height"); + pragma Inline (fl_file_browser_item_height); + + function fl_file_browser_item_first + (B : in Storage.Integer_Address) + return Storage.Integer_Address; + pragma Import (C, fl_file_browser_item_first, "fl_file_browser_item_first"); + pragma Inline (fl_file_browser_item_first); + + function fl_file_browser_item_last + (B : in Storage.Integer_Address) + return Storage.Integer_Address; + pragma Import (C, fl_file_browser_item_last, "fl_file_browser_item_last"); + pragma Inline (fl_file_browser_item_last); + + function fl_file_browser_item_next + (B, I : in Storage.Integer_Address) + return Storage.Integer_Address; + pragma Import (C, fl_file_browser_item_next, "fl_file_browser_item_next"); + pragma Inline (fl_file_browser_item_next); + + function fl_file_browser_item_prev + (B, I : in Storage.Integer_Address) + return Storage.Integer_Address; + pragma Import (C, fl_file_browser_item_prev, "fl_file_browser_item_prev"); + pragma Inline (fl_file_browser_item_prev); + + function fl_file_browser_item_at + (B : in Storage.Integer_Address; + N : in Interfaces.C.int) + return Storage.Integer_Address; + pragma Import (C, fl_file_browser_item_at, "fl_file_browser_item_at"); + pragma Inline (fl_file_browser_item_at); + + procedure fl_file_browser_item_select + (B, I : in Storage.Integer_Address; + V : in Interfaces.C.int); + pragma Import (C, fl_file_browser_item_select, "fl_file_browser_item_select"); + pragma Inline (fl_file_browser_item_select); + + function fl_file_browser_item_selected + (B, I : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_item_selected, "fl_file_browser_item_selected"); + pragma Inline (fl_file_browser_item_selected); + + procedure fl_file_browser_item_swap + (B, X, Y : in Storage.Integer_Address); + pragma Import (C, fl_file_browser_item_swap, "fl_file_browser_item_swap"); + pragma Inline (fl_file_browser_item_swap); + + function fl_file_browser_item_text + (B, I : in Storage.Integer_Address) + return Interfaces.C.Strings.chars_ptr; + pragma Import (C, fl_file_browser_item_text, "fl_file_browser_item_text"); + pragma Inline (fl_file_browser_item_text); + + procedure fl_file_browser_item_draw + (B, I : in Storage.Integer_Address; + X, Y, W, H : in Interfaces.C.int); + pragma Import (C, fl_file_browser_item_draw, "fl_file_browser_item_draw"); + pragma Inline (fl_file_browser_item_draw); + + + + + + function fl_file_browser_selection + (B : in Storage.Integer_Address) + return Storage.Integer_Address; + pragma Import (C, fl_file_browser_selection, "fl_file_browser_selection"); + pragma Inline (fl_file_browser_selection); + + function fl_file_browser_displayed2 + (B, I : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_displayed2, "fl_file_browser_displayed2"); + pragma Inline (fl_file_browser_displayed2); + + function fl_file_browser_find_item + (B : in Storage.Integer_Address; + Y : in Interfaces.C.int) + return Storage.Integer_Address; + pragma Import (C, fl_file_browser_find_item, "fl_file_browser_find_item"); + pragma Inline (fl_file_browser_find_item); + + function fl_file_browser_top + (B : in Storage.Integer_Address) + return Storage.Integer_Address; + pragma Import (C, fl_file_browser_top, "fl_file_browser_top"); + pragma Inline (fl_file_browser_top); + + + + + procedure fl_file_browser_bbox + (B : in Storage.Integer_Address; + X, Y, W, H : out Interfaces.C.int); + pragma Import (C, fl_file_browser_bbox, "fl_file_browser_bbox"); + pragma Inline (fl_file_browser_bbox); + + function fl_file_browser_leftedge + (B : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_leftedge, "fl_file_browser_leftedge"); + pragma Inline (fl_file_browser_leftedge); + + procedure fl_file_browser_redraw_line + (B, I : in Storage.Integer_Address); + pragma Import (C, fl_file_browser_redraw_line, "fl_file_browser_redraw_line"); + pragma Inline (fl_file_browser_redraw_line); + + procedure fl_file_browser_redraw_lines + (B : in Storage.Integer_Address); + pragma Import (C, fl_file_browser_redraw_lines, "fl_file_browser_redraw_lines"); + pragma Inline (fl_file_browser_redraw_lines); + + + + + function fl_file_browser_full_width + (B : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_full_width, "fl_file_browser_full_width"); + pragma Inline (fl_file_browser_full_width); + + function fl_file_browser_full_height + (B : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_full_height, "fl_file_browser_full_height"); + pragma Inline (fl_file_browser_full_height); + + function fl_file_browser_incr_height + (B : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_incr_height, "fl_file_browser_incr_height"); + pragma Inline (fl_file_browser_incr_height); + + function fl_file_browser_item_quick_height + (B, I : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_item_quick_height, "fl_file_browser_item_quick_height"); + pragma Inline (fl_file_browser_item_quick_height); + + + + + function fl_file_browser_lineno + (B, I : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_lineno, "fl_file_browser_lineno"); + pragma Inline (fl_file_browser_lineno); + + + + + procedure fl_file_browser_new_list + (B : in Storage.Integer_Address); + pragma Import (C, fl_file_browser_new_list, "fl_file_browser_new_list"); + pragma Inline (fl_file_browser_new_list); + + procedure fl_file_browser_inserting + (B, A1, A2 : in Storage.Integer_Address); + pragma Import (C, fl_file_browser_inserting, "fl_file_browser_inserting"); + pragma Inline (fl_file_browser_inserting); + + procedure fl_file_browser_deleting + (B, I : in Storage.Integer_Address); + pragma Import (C, fl_file_browser_deleting, "fl_file_browser_deleting"); + pragma Inline (fl_file_browser_deleting); + + procedure fl_file_browser_replacing + (B, A1, A2 : in Storage.Integer_Address); + pragma Import (C, fl_file_browser_replacing, "fl_file_browser_replacing"); + pragma Inline (fl_file_browser_replacing); + + procedure fl_file_browser_swapping + (B, A1, A2 : in Storage.Integer_Address); + pragma Import (C, fl_file_browser_swapping, "fl_file_browser_swapping"); + pragma Inline (fl_file_browser_swapping); + + + + + procedure fl_file_browser_draw + (B : in Storage.Integer_Address); + pragma Import (C, fl_file_browser_draw, "fl_file_browser_draw"); + pragma Inline (fl_file_browser_draw); + + function fl_file_browser_handle + (B : in Storage.Integer_Address; + E : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_file_browser_handle, "fl_file_browser_handle"); + pragma Inline (fl_file_browser_handle); + + + + + ------------------- + -- Destructors -- + ------------------- + + procedure Extra_Final + (This : in out File_Browser) is + begin + Extra_Final (Textline_Browser (This)); + end Extra_Final; + + + procedure Finalize + (This : in out File_Browser) is + begin + Extra_Final (This); + if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then + free_fl_file_browser (This.Void_Ptr); + This.Void_Ptr := Null_Pointer; + end if; + end Finalize; + + + + + -------------------- + -- Constructors -- + -------------------- + + procedure Extra_Init + (This : in out File_Browser; + X, Y, W, H : in Integer; + Text : in String) is + begin + Extra_Init (Textline_Browser (This), X, Y, W, H, Text); + end Extra_Init; + + + procedure Initialize + (This : in out File_Browser) is + begin + This.Item_Override_Ptrs := + (Item_Width_Ptr => fl_file_browser_item_width'Address, + Item_Height_Ptr => fl_file_browser_item_height'Address, + Item_First_Ptr => fl_file_browser_item_first'Address, + Item_Last_Ptr => fl_file_browser_item_last'Address, + Item_Next_Ptr => fl_file_browser_item_next'Address, + Item_Previous_Ptr => fl_file_browser_item_prev'Address, + Item_At_Ptr => fl_file_browser_item_at'Address, + Item_Select_Ptr => fl_file_browser_item_select'Address, + Item_Selected_Ptr => fl_file_browser_item_selected'Address, + Item_Swap_Ptr => fl_file_browser_item_swap'Address, + Item_Text_Ptr => fl_file_browser_item_text'Address, + Item_Draw_Ptr => fl_file_browser_item_draw'Address); + This.Item_Inherit_Ptrs := + (Current_Selection_Ptr => fl_file_browser_selection'Address, + Is_Displayed_Ptr => fl_file_browser_displayed2'Address, + Find_Item_Ptr => fl_file_browser_find_item'Address, + Top_Item_Ptr => fl_file_browser_top'Address); + This.Redrawing_Ptrs := + (Bounding_Box_Ptr => fl_file_browser_bbox'Address, + Left_Edge_Ptr => fl_file_browser_leftedge'Address, + Redraw_Line_Ptr => fl_file_browser_redraw_line'Address, + Redraw_List_Ptr => fl_file_browser_redraw_lines'Address); + This.Wide_High_Ptrs := + (Full_List_Width_Ptr => fl_file_browser_full_width'Address, + Full_List_Height_Ptr => fl_file_browser_full_height'Address, + Average_Item_Height_Ptr => fl_file_browser_incr_height'Address, + Item_Quick_Height_Ptr => fl_file_browser_item_quick_height'Address); + This.Cache_Ptrs := + (New_List_Ptr => fl_file_browser_new_list'Address, + Inserting_Ptr => fl_file_browser_inserting'Address, + Deleting_Ptr => fl_file_browser_deleting'Address, + Replacing_Ptr => fl_file_browser_replacing'Address, + Swapping_Ptr => fl_file_browser_swapping'Address); + This.Draw_Ptr := fl_file_browser_draw'Address; + This.Handle_Ptr := fl_file_browser_handle'Address; + This.Line_Number_Ptr := fl_file_browser_lineno'Address; + end Initialize; + + + package body Forge is + + function Create + (X, Y, W, H : in Integer; + Text : in String := "") + return File_Browser is + begin + return This : File_Browser do + This.Void_Ptr := new_fl_file_browser + (Interfaces.C.int (X), + Interfaces.C.int (Y), + Interfaces.C.int (W), + Interfaces.C.int (H), + Interfaces.C.To_C (Text)); + Extra_Init (This, X, Y, W, H, Text); + end return; + end Create; + + end Forge; + + + + + ----------------------- + -- API Subprograms -- + ----------------------- + + Current_Sort : FLTK.Filenames.Compare_Function; + + function Compare_Hook + (DA, DB : in Storage.Integer_Address) + return Interfaces.C.int; + + pragma Convention (C, Compare_Hook); + + function Compare_Hook + (DA, DB : in Storage.Integer_Address) + return Interfaces.C.int + is + Result : FLTK.Filenames.Comparison := Current_Sort + (Interfaces.C.Strings.Value (filename_dname (DA, 0)), + Interfaces.C.Strings.Value (filename_dname (DB, 0))); + begin + return FLTK.Filenames.Comparison'Pos (Result) - 1; + end Compare_Hook; + + + function Load + (This : in out File_Browser; + Dir : in String; + Sort : in not null FLTK.Filenames.Compare_Function := + FLTK.Filenames.Numeric_Sort'Access) + return Natural + is + Msg : Interfaces.C.Strings.chars_ptr; + Code : Interfaces.C.int; + begin + Current_Sort := Sort; + Code := fl_file_browser_load + (This.Void_Ptr, + Interfaces.C.To_C (Dir), + Storage.To_Integer (Compare_Hook'Address)); + if Code = 0 then + Msg := get_error_message; + if Msg /= Interfaces.C.Strings.Null_Ptr then + raise Browser_Load_Error with Interfaces.C.Strings.Value (Msg); + end if; + end if; + return Natural (Code); + end Load; + + + procedure Load + (This : in out File_Browser; + Dir : in String; + Sort : in not null FLTK.Filenames.Compare_Function := + FLTK.Filenames.Numeric_Sort'Access) + is + Result : Natural := This.Load (Dir, Sort); + begin + null; + end Load; + + + + + function Get_File_Kind + (This : in File_Browser) + return File_Kind + is + Code : Interfaces.C.int := fl_file_browser_get_filetype (This.Void_Ptr); + begin + if Code not in File_Kind'Pos (File_Kind'First) .. File_Kind'Pos (File_Kind'Last) then + raise Internal_FLTK_Error; + end if; + return File_Kind'Val (Code); + end Get_File_Kind; + + + procedure Set_File_Kind + (This : in out File_Browser; + Value : in File_Kind) is + begin + fl_file_browser_set_filetype (This.Void_Ptr, File_Kind'Pos (Value)); + end Set_File_Kind; + + + function Get_Filter + (This : in File_Browser) + return String + is + Result : Interfaces.C.Strings.chars_ptr := fl_file_browser_get_filter (This.Void_Ptr); + begin + if Result = Interfaces.C.Strings.Null_Ptr then + return ""; + else + return Interfaces.C.Strings.Value (Result); + end if; + end Get_Filter; + + + procedure Set_Filter + (This : in out File_Browser; + Value : in String) is + begin + fl_file_browser_set_filter (This.Void_Ptr, Interfaces.C.To_C (Value)); + end Set_Filter; + + + function Get_Icon_Size + (This : in File_Browser) + return Icon_Size is + begin + return Icon_Size (fl_file_browser_get_iconsize (This.Void_Ptr)); + end Get_Icon_Size; + + + procedure Set_Icon_Size + (This : in out File_Browser; + Value : in Icon_Size) is + begin + fl_file_browser_set_iconsize (This.Void_Ptr, Interfaces.C.unsigned_char (Value)); + end Set_Icon_Size; + + + function Get_Text_Size + (This : in File_Browser) + return Font_Size is + begin + return Font_Size (fl_file_browser_get_textsize (This.Void_Ptr)); + end Get_Text_Size; + + + procedure Set_Text_Size + (This : in out File_Browser; + Size : in Font_Size) is + begin + fl_file_browser_set_textsize (This.Void_Ptr, Interfaces.C.int (Size)); + end Set_Text_Size; + + +end FLTK.Widgets.Groups.Browsers.Textline.File; + + diff --git a/src/fltk-widgets-groups-browsers-textline-file.ads b/src/fltk-widgets-groups-browsers-textline-file.ads new file mode 100644 index 0000000..11093d3 --- /dev/null +++ b/src/fltk-widgets-groups-browsers-textline-file.ads @@ -0,0 +1,118 @@ + + +-- Programmed by Jedidiah Barber +-- Released into the public domain + + +with + + FLTK.Filenames; + + +package FLTK.Widgets.Groups.Browsers.Textline.File is + + + type File_Browser is new Textline_Browser with private; + + type File_Browser_Reference (Data : not null access File_Browser'Class) is + limited null record with Implicit_Dereference => Data; + + type File_Kind is (Files, Directories); + + type Icon_Size is mod 256; + + + + + package Forge is + + function Create + (X, Y, W, H : in Integer; + Text : in String := "") + return File_Browser; + + end Forge; + + + + + function Load + (This : in out File_Browser; + Dir : in String; + Sort : in not null FLTK.Filenames.Compare_Function := + FLTK.Filenames.Numeric_Sort'Access) + return Natural; + + procedure Load + (This : in out File_Browser; + Dir : in String; + Sort : in not null FLTK.Filenames.Compare_Function := + FLTK.Filenames.Numeric_Sort'Access); + + + + + function Get_File_Kind + (This : in File_Browser) + return File_Kind; + + procedure Set_File_Kind + (This : in out File_Browser; + Value : in File_Kind); + + function Get_Filter + (This : in File_Browser) + return String; + + procedure Set_Filter + (This : in out File_Browser; + Value : in String); + + function Get_Icon_Size + (This : in File_Browser) + return Icon_Size; + + procedure Set_Icon_Size + (This : in out File_Browser; + Value : in Icon_Size); + + function Get_Text_Size + (This : in File_Browser) + return Font_Size; + + procedure Set_Text_Size + (This : in out File_Browser; + Size : in Font_Size); + + +private + + + type File_Browser is new Textline_Browser with null record; + + overriding procedure Initialize + (This : in out File_Browser); + + overriding procedure Finalize + (This : in out File_Browser); + + procedure Extra_Init + (This : in out File_Browser; + X, Y, W, H : in Integer; + Text : in String); + + procedure Extra_Final + (This : in out File_Browser); + + + pragma Inline (Set_File_Kind); + pragma Inline (Set_Filter); + pragma Inline (Get_Icon_Size); + pragma Inline (Set_Icon_Size); + pragma Inline (Get_Text_Size); + pragma Inline (Set_Text_Size); + + +end FLTK.Widgets.Groups.Browsers.Textline.File; + + diff --git a/src/fltk-widgets-groups-browsers-textline.adb b/src/fltk-widgets-groups-browsers-textline.adb index de3f339..7c8dc3b 100644 --- a/src/fltk-widgets-groups-browsers-textline.adb +++ b/src/fltk-widgets-groups-browsers-textline.adb @@ -682,10 +682,16 @@ package body FLTK.Widgets.Groups.Browsers.Textline is (This : in out Textline_Browser; File : in String) is + Msg : Interfaces.C.Strings.chars_ptr; Code : Interfaces.C.int := fl_browser_load (This.Void_Ptr, Interfaces.C.To_C (File)); begin if Code = 0 then - raise Browser_Load_Error with Interfaces.C.Strings.Value (get_error_message); + Msg := get_error_message; + if Msg = Interfaces.C.Strings.Null_Ptr then + raise Browser_Load_Error; + else + raise Browser_Load_Error with Interfaces.C.Strings.Value (Msg); + end if; elsif Code /= 1 then raise Internal_FLTK_Error; end if; -- cgit