/* pmtxt.h -*- C++ -*- Copyright (c) 1996 Eberhard Mattes This file is part of pmgdb. pmgdb is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. pmgdb is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with pmgdb; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include struct pmtxt_line; struct pmtxt_line_attr; struct pmtxt_attr { COLOR fg_color; COLOR bg_color; }; // A frame window showing scrollable text class pmtxt : public pmframe { public: typedef pmframe parent; // Constructors and destructors, initialization pmtxt (pmapp *app, unsigned id, ULONG frame_flags, const SWP *pswp, const char *fontnamesize = 0); virtual ~pmtxt (); virtual void delete_all (); // Painting void put (int line, int column, size_t len, const char *s, const pmtxt_attr &attr, bool do_paint) { put (line, column, len, s, attr, E_TEXT, do_paint); } void put (int line, int column, size_t len, const char *s, bool do_paint) { put (line, column, len, s, default_attr, E_TEXT, do_paint); } void put_vrule (int line, int column, const pmtxt_attr &attr, bool do_paint) { put (line, column, 1, "", attr, E_VRULE, do_paint); } void put_vrule (int line, int column, bool do_paint) { put_vrule (line, column, default_attr, do_paint); } void put_tab (int line, int column, const pmtxt_attr &attr, bool do_paint) { put (line, column, 1, " ", attr, E_TAB, do_paint); } void put_tab (int line, int column, bool do_paint) { put_tab (line, column, default_attr, do_paint); } void underline (int line, bool on, bool do_paint); void sync (); void show_line (int line, int threshold = 0, int overshoot = 0); void delete_lines (int line, int count, bool do_paint); void insert_lines (int line, int count, bool do_paint); void clear_lines (int line, int count, bool do_paint); void truncate_line (int line, int count, bool do_paint); // Attributes void set_fg_color (pmtxt_attr &attr, COLOR color) { attr.fg_color = color; } void set_fg_color (pmtxt_attr &attr) { attr.fg_color = default_attr.fg_color; } COLOR get_fg_color (pmtxt_attr const &attr) const { return attr.fg_color; } void set_bg_color (pmtxt_attr &attr, COLOR color) { attr.bg_color = color; } void set_bg_color (pmtxt_attr &attr) { attr.bg_color = default_attr.bg_color; } COLOR get_bg_color (pmtxt_attr const &attr) const { return attr.bg_color; } const pmtxt_attr &get_default_attr () const { return default_attr; } void put (int line, int column, size_t len, const pmtxt_attr &attr, bool do_paint); void set_eol_attr (int line, const pmtxt_attr &attr, bool do_paint); void clear_tabs (); void set_font (const pmtxt &s); // Querying window contents int get_char (int line, int column); bool get_string (int line, int column, char *str, size_t count); int get_window_lines () const { return window_lines; } // Constants enum { max_line_len = 512 // See GpiCharString }; protected: // Types enum element { E_KEEP, E_TEXT, E_VRULE, E_FILL, E_TAB }; // Messages MRESULT wm_button (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2); MRESULT wm_create (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2); MRESULT wm_hscroll (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2); MRESULT wm_presparamchanged (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2); MRESULT wm_querytrackinfo (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2); MRESULT wm_size (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2); MRESULT wm_vscroll (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2); virtual bool wm_user (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2); virtual void button_event (int line, int column, int tab, int button, int clicks); // Painting bool get_bbox_pos (HPS hps, POINTL *pptl, int line, int column); void put (int line, int column, size_t len, const char *s, const pmtxt_attr &attr, element el, bool do_paint); // Notifications for derived classes virtual void painting (bool start); virtual void font_changed (); // Querying members int get_cyChar () const { return cyChar; } int get_cyDesc () const { return cyDesc; } int get_cxChar () const { return cxChar; } HWND get_hwndHbar () const { return hwndHbar; } HWND get_hwndVbar () const { return hwndVbar; } bool get_initializing_font () const { return initializing_font; } bool font_dialog (); void set_font (HPS hps); // Data members bool output_stopped; bool output_pending; private: // Messages MRESULT wm_paint (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2); MRESULT button_event (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2, int button, int clicks); // Painting bool scroll_up (int n, bool do_paint); void scroll_down (int n); void check_x_size (); void check_y_size (); void disable_output (); void enable_output (); void change_attr (pmtxt_line *p, int start, int end, const pmtxt_attr &new_attr, element new_el); void setup_ps (HPS hps); void create_hpsClient (); void get_fontmetrics (); void change_size (); void paint (HPS hps, pmtxt_attr &cur_attr, int line, int column, bool paint_eol); void paint (HPS hps, pmtxt_attr &cur_attr, const pmtxt_line_attr *pla, const char *p, int len); void unlock (); void more_lines (int new_count); void free_line (int line); void init_line (int line); void delete_attr (pmtxt_line_attr *a); void pmthread_perform (); void pmthread_request (unsigned char bits); void line_column_from_x_y (HPS hps, int *line, int *column, int *tab, int x, int y); // Data members HWND hwndVbar; HWND hwndHbar; HPS hpsClient; LONG cxClient; LONG cyClient; int cxChar; int cyChar; int cyDesc; int rule_width; int window_lines, window_columns; bool track; int x_off, y_off; int x_pos, max_x_pos; int lines_used; int lines_alloc; pmtxt_line *lines_vector; _fmutex mutex; unsigned char pmthread_pending; // TABs int tab_count; // Number of active TABs int tab_x_size; // Size of following array int *tab_x; // X coordinates of TABs bool tab_repaint; // X coordinate of a TAB changed, repaint! int tab_index; // Current TAB index (temporary) pmtxt_attr default_attr; // In effect at start of each line pmtxt_attr hpsClient_attr; // Current attributes of hpsClient int cache_line; // Input int cache_column; // Input int cache_x; // Output bool fixed_pitch; POINTL *aptl_line; FATTRS fattrs; bool default_font; const char *init_fontnamesize; bool initializing_font; };