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Commit 58ec3400b860e0f5527ac6fd2f3dca492b7ef10f

Authored by Perry Werneck
1 parent 30dbf344
Exists in master and in 3 other branches develop, macos, network_module

Moving new selection management methods to protocol library.

Showing 2 changed files with 101 additions and 4 deletions   Show diff stats
src/include/lib3270/selection.h
  Diff comments   View file @58ec340
... ... @@ -38,6 +38,35 @@
38 38  
39 39 #define LIB3270_SELECTION_H_INCLUDED 1
40 40  
  41 + /**
  42 + * @brief Selection element
  43 + *
  44 + */
  45 + typedef struct _lib3270_selection_element {
  46 + unsigned char chr; ///< @brief Element character
  47 + unsigned short flags; ///< @brief Element colors & visual state.
  48 + unsigned char attributes; ///< @brief 3270 attributes.
  49 + } lib3270_selection_element;
  50 +
  51 + /**
  52 + * @brief A rectangle containing the selected area.
  53 + *
  54 + */
  55 + typedef struct _lib3270_selection
  56 + {
  57 + struct {
  58 + unsigned int row;
  59 + unsigned int col;
  60 + unsigned int width;
  61 + unsigned int height;
  62 +
  63 + } bounds; ///< @brief Clipboard rectangle.
  64 +
  65 + lib3270_selection_element contents[1];
  66 +
  67 + } lib3270_selection;
  68 +
  69 +
41 70 LIB3270_EXPORT int lib3270_unselect(H3270 *session);
42 71 LIB3270_EXPORT void lib3270_select_to(H3270 *session, int baddr);
43 72 LIB3270_EXPORT int lib3270_select_word_at(H3270 *session, int baddr);
... ... @@ -48,7 +77,7 @@
48 77 /**
49 78 * @brief Get selection options.
50 79 *
51   - * @see lib3270_get_selection
  80 + * @see lib3270_get_selection_as_text
52 81 *
53 82 */
54 83 typedef enum _LIB3270_SELECTION_OPTIONS {
... ... @@ -148,6 +177,17 @@
148 177 LIB3270_EXPORT int lib3270_get_selection_rectangle(H3270 *hSession, unsigned int *row, unsigned int *col, unsigned int *width, unsigned int *height);
149 178  
150 179 /**
  180 + * @brief Get selection contents.
  181 + *
  182 + * @param hSession Session handle.
  183 + * @param cut Non zero to clear selected contents.
  184 + *
  185 + * @return NULL on error (sets errno), pointer to a rectangle containing the selected area (release it with lib3270_free).
  186 + *
  187 + */
  188 + LIB3270_EXPORT lib3270_selection * lib3270_get_selection(H3270 *hSession, int cut);
  189 +
  190 + /**
151 191 * @brief Get bitmasked flag for the current selection.
152 192 *
153 193 * Calculate flags to help drawing of the correct mouse pointer over a selection.
... ...
src/lib3270/selection/get.c
  Diff comments   View file @58ec340
... ... @@ -49,7 +49,7 @@ void clear_chr(H3270 *hSession, int baddr)
49 49 baddr == hSession->cursor_addr );
50 50 }
51 51  
52   -LIB3270_EXPORT char * lib3270_get_selection(H3270 *hSession, char tok, LIB3270_SELECTION_OPTIONS options)
  52 +LIB3270_EXPORT char * lib3270_get_selected_text(H3270 *hSession, char tok, LIB3270_SELECTION_OPTIONS options)
53 53 {
54 54 int row, col, baddr;
55 55 char * ret;
... ... @@ -63,7 +63,10 @@ LIB3270_EXPORT char * lib3270_get_selection(H3270 *hSession, char tok, LIB3270_S
63 63 return NULL;
64 64  
65 65 if(!hSession->selected || hSession->select.start == hSession->select.end)
  66 + {
  67 + errno = ENOENT;
66 68 return NULL;
  69 + }
67 70  
68 71 ret = lib3270_malloc(buflen);
69 72  
... ... @@ -133,11 +136,65 @@ LIB3270_EXPORT char * lib3270_get_selection(H3270 *hSession, char tok, LIB3270_S
133 136  
134 137 LIB3270_EXPORT char * lib3270_get_selected(H3270 *hSession)
135 138 {
136   - return lib3270_get_selection(hSession,0,0);
  139 + return lib3270_get_selected_text(hSession,0,0);
137 140 }
138 141  
139 142 LIB3270_EXPORT char * lib3270_cut_selected(H3270 *hSession)
140 143 {
141   - return lib3270_get_selection(hSession,0,LIB3270_SELECTION_CUT);
  144 + return lib3270_get_selected_text(hSession,0,LIB3270_SELECTION_CUT);
142 145 }
143 146  
  147 +LIB3270_EXPORT lib3270_selection * lib3270_get_selection(H3270 *hSession, int cut)
  148 +{
  149 + // Get block size
  150 + unsigned int row, col, width, height;
  151 + if(lib3270_get_selection_rectangle(hSession, &row, &col, &width, &height))
  152 + {
  153 + return NULL;
  154 + }
  155 +
  156 + // Get output buffer.
  157 + lib3270_selection * selection = lib3270_malloc(sizeof(lib3270_selection) + (sizeof(lib3270_selection_element) * (width*height)));
  158 +
  159 + selection->bounds.col = col;
  160 + selection->bounds.row = row;
  161 + selection->bounds.height = height;
  162 + selection->bounds.width = width;
  163 +
  164 + unsigned int dstaddr = 0;
  165 +
  166 + for(row=0;row < selection->bounds.height; row++)
  167 + {
  168 + // Get starting address.
  169 + int baddr = lib3270_translate_to_address(hSession, selection->bounds.row+row+1, selection->bounds.col+1);
  170 + unsigned char fa = get_field_attribute(hSession,baddr);
  171 +
  172 + if(baddr < 0)
  173 + {
  174 + errno = EINVAL;
  175 + lib3270_free(selection);
  176 + return NULL;
  177 + }
  178 +
  179 + for(col=0;col < selection->bounds.width; col++)
  180 + {
  181 + if(hSession->ea_buf[baddr].fa) {
  182 + fa = hSession->ea_buf[baddr].fa;
  183 + }
  184 +
  185 + selection->contents[dstaddr].chr = (hSession->text[baddr].chr ? hSession->text[baddr].chr : ' ');
  186 + selection->contents[dstaddr].flags = hSession->text[baddr].attr;
  187 + selection->contents[dstaddr].attributes = fa;
  188 +
  189 + if(cut && !FA_IS_PROTECTED(fa)) {
  190 + clear_chr(hSession,baddr);
  191 + }
  192 +
  193 + dstaddr++;
  194 + baddr++;
  195 + }
  196 +
  197 + }
  198 +
  199 + return selection;
  200 +}
... ...